*rohs directive 2002/95/ec jan 27 2003 including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 91, 92, 93, 94, 95, 96 - 5/8 square single-turn panel control 97, 99 - 5/8 square single-turn panel control with rotary switch initial electrical characteristics 1 conductive plastic element cermet element standard resistance range linear tapers (a, b, e, & h) ................................................................(b & e) 1 k ohms to 1 megohm ....... ...............(a & h) 100 ohms to 1 megohm audio tapers (c, d, f, g, s, & t).........................................................(d,g,s, & t) 1 k ohms to 1 megohm .... ..........(c & f) 1 k ohms to 1 megohm total resistance tolerance .....................................................................10 % or 20 % .................... .............................5% or 10% independent linearity .............................................................................5 %......................... ......................................5 % absolute minimum resistance ...............................................................2 ohms maximum....................... .................... 2 ohms maximum effective electrical angle ........................................................................(linear tapers) 240 5 .. .............................(linear tapers) 240 6 (audio tapers) 225 5 (audio tapers) 225 6 contact resistance variation .................................................................1 %.............................. .................................1 % or 3 ohms (whichever is greater) dielectric withstanding voltage (mil-std-202, method 301) sea level............................................................................................1,500 vac minimum......... ..............................1,500 vac minimum 70,000 feet ........................................................................................500 vac minimum............. .............................500 vac minimum insulation resistance (500 vdc) ............................................................1,000 megohms minimum............... ...............1,000 megohms minimum power rating (voltage limited by power dissipation or 350 vac, whichever is less) +70 c single section assembly .......................................................(linear tapers) 0.5 watt.................. .................(linear tapers) 2 watts (audio tapers) 0.25 watt (audio tapers) 1 watt +70 c multiple section assembly.....................................................(linear tapers) 0.5 watt/section.......... ............(linear tapers) 1 watt/section (audio tapers) 0.25 watt/section (audio tapers) 0.5 watt/section +125 c ..............................................................................................0 watt.................... ..........................................0 watt theoretical resolution ............................................................................essentially infinite ......... ..................................essentially infinite environmental characteristics 1 operating temperature range ...............................................................-40 c to +125 c.................... .......................-40 c to +125 c storage temperature range...................................................................-55 c to +125 c.................. .........................-55 c to +125 c temperature coefficient over storage temperature range...................1,000 ppm/c......................................... ......150 ppm/c vibration (single section)........................................................................15 g......................... .......................................15 g total resistance shift.........................................................................2 % maximum .................... ..........................2 % maximum voltage ratio shift..............................................................................5 % maximum .................. ............................5 % maximum shock (single section)............................................................................30 g......................... .......................................30 g total resistance shift.........................................................................2 % maximum .................... ..........................2 % maximum voltage ratio shift..............................................................................5 % maximum .................. ............................5 % maximum load life.................................................................................................1,000 hours .......... ..........................................1,000 hours total resistance shift.........................................................................10 % maximum ................... .........................5 % maximum rotational life (no load) ........................................................................100,000 cycles ................ ...............................100,000 cycles total resistance shift......................................................................... (linear tapers) 10 ohms or 15 % trs max. .. .(all tapers) 5 % trs max. (whichever is greater) (audio tapers) 20 % maximum contact resistance variation @ 50,000 cycles ..................................(linear tapers) 2 %............................. ..........2 % (audio tapers) 3 % .......................................3 % moisture resistance (mil-std-202, method 103, condition b) total resistance shift.........................................................................(linear tapers) 10 % trs maximu m ............(all tapers) 5 % trs maximum (audio tapers) 20 % trs maximum insulation resistance (500 vdc) ........................................................100 megohms minimum..................... ............100 megohms minimum ip rating (model 96) ...............................................................................ip 65 ....................... ........................................ip 65 (all others)..........................................................................................ip 40 .................... ...........................................ip 40 features available in a variety of pin-out configurations virtually infinite electrical circuit isolation model 96 sealed for board wash metal or plastic shaft options dpst and dpdt switch options rohs compliant versions available* potentiometer specifications *rohs compliant versions available
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. note: all model 90 performance specifications do not apply to units subjected to printed circuit board cleaning procedures, ex cept for the sealed version (model 96). 1 at room ambient: +25 c nominal and 50 % relative humidity nominal, except as noted. 91, 92, 93, 94, 95, 96 - 5/8 square single-turn panel control 97, 99 - 5/8 square single-turn panel control with rotary switch mechanical characteristics 1 stop strength (1/4 d shaft).................................................................................................. ....................................................................45.19 n-cm (4 lb.-in.) (1/8 d shaft) ................................................................................................................ ....................................................33.89 n-cm (3 lb.-in.) mechanical angle ............................................................................................................... .........................................................................................300 5 torque starting ....................................................................................................................... .............................................0.3 max. above average running torque running torque single or dual section (a ,d & r bushings) ..................................................................................... .........................0.21 to 1.06 n-cm (0.3 to 1.5 oz.-in.) single or dual section (c & u bushings) ........................................................................................ ..........................0.14 to 1.06 n-cm (0.2 to 1.5 oz.-in.) mounting ....................................................................................................................... .....................(metal bushing) 1.7-2.0 n-m (15-18 lb.-in.) maximum plastic bushing) 56-79 n-cm (5-7 lb.-in.) maximum variation ...................................................................................................................... ..........................0.35 n-cm (0.5 oz.-in.) maximum in 45 shaft travel weight (single section, plastic bushing) ....................................................................................... ...............................................................7.3 grams nominal weight (single section, metal bushing) ......................................................................................... .............................................................12.7 grams nominal (each additional section)...................................................................................................... ........................................................................4 grams nominal terminals ...................................................................................................................... ..................................printed circuit terminals, j-hooks or solder lugs soldering condition ......................................................................recommended hand soldering using sn95/ ag5 no clean solder, 0.025 wire diameter. maximum temperature 399 c (750 f) for 3 seconds. no wash process to be used with no clean flux. marking............................................................................................................manufacturer s trademark, date code, resistance, manufacturers part number ganging (multiple section potentiometers) ...................................................................................... ..............................................................2 cups maximum hardware ............................................one lockwasher and one mounting nut is shipped with each potentiometer, exc ept where noted in the part number. potentiometer specifications
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. 91, 92, 93, 94, 95, 96 - 5/8 square single-turn panel control 97, 99 - 5/8 square single-turn panel control with rotary switch rotary switch specifications initial electrical characteristics 1 contacts: dpst ........................................................................................................................... .......................................................n.o/n.o., n.c./n.c. or n.o./n.c. dpdt........................................................................................................................... .........................................................2 n.o./n.c. (break before make) power rating (resistive load): dpst ................................................................................................................2 a @ 125 v olts rms-60 hz or 2 a @ 28 vdc, 1 a @ 250 volts rms-60 hz dpdt ........................................................................................................................... ...................................1 a @ 125 volts rms-60 hz or 1 a @ 28 vdc contact resistance (0.1 vdc-10 ma)............................................................................................. ...........................................................10 milliohms nominal contact bounce ................................................................................................................. .................................................................5 milliseconds maximum dielectric withstanding voltage (mil-std-202, method 301) sea level ...................................................................................................................... ..........................................................................1500 vac minimum insulation resistance .......................................................................................................... ................................................................1000 megohms minimum environmental characteristics 1 operating temperature range .................................................................................................... ........................................................................0 c to +70 c exposure temperature range ..................................................................................................... ...................................................................-65 c to +125 c vibration (dual section)....................................................................................................... ...................................................................................................8 g contact resistance ............................................................................................................. ...............................................................10 milliohms maximum contact bounce................................................................................................................. .............................................................0.1 millisecond maximum shock (dual section)........................................................................................................... .................................................................................................20 g contact resistance ............................................................................................................. ...............................................................10 milliohms maximum contact bounce................................................................................................................. .............................................................0.1 millisecond maximum rotational life................................................................................................................ ........................................................................................25,000 cycles switch actuating torque (50% duty cycle @ rated power load) .................................................................... ..................1.41 to 4.94 n-cm (2 to 7 oz.-in.) contact resistance ............................................................................................................. .............................................................100 milliohms maximum moisture resistance (mil-std-202, method 106, condition b) contact resistance (0.1 vdc-10 ma) ............................................................................................. ...................................................10 milliohms maximum insulation resistance (after 24 hours @ room temperature) (500 vdc) ............................................................ ............................100 megohms minimum housing material............................................................................................................... .................high temperature, flame retardant, thermosetting plastic mechanical characteristics 1 actuating torque (each section, switch module only) ............................................................................ ..........................3.53 to 10.59 n-cm (5 to 15 oz.-in.) running torque (out of detent, 2-4 module assembly) ............................................................................ ..........................0.21 to 1.41 n-cm (0.3 to 2 oz.-in.) detent ......................................................................................................................... .............................................................................cw or ccw standard actuation angle................................................................................................................ ..............................................................................................20 5 contact materials .............................................................................................................. ..............................................................fine silver with gold overlay terminal styles ................................................................................................................ ....................................................................................solder lug only standard orientation ........................................................................................................... .......................................................in-line with control terminals optional....................................................................................................................... .......................................................rotated 90 ccw from standard terminal strength (before and after soldering heat exposure) ................................................................... .........................................0.9 kg (2 lbs.) minimum note: model 99 performance specifications do not apply to units subjected to printed circuit board cleaning procedures. 1 at room ambient: +25 c nominal and 50 % relative humidity nominal, except as noted.
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. see detail for shaft options 10.16 (.40) 1 2 3 model 91 & 96 pc pin terminals, in-line 1 3 1 2 2 5.08 (.20) model 93 pc pin terminals, "l" pattern 3/8 threadless (9.53 mm) (style "d") 3/8-32 unef (9.53 mm) (style "a") 1/4-32 unef (6.35 mm) (style "c") m10 x 0.75-6g (style "r") m7 x 0.75-6g (style "u") bushing styles 10.16 (.40) 31 2 2 1 3 .41 (.016) model 95 solder lug terminals, "triangular" pattern 3 1 2 4 dpst (no/nc) (types 50, 51, 56, 57) 3 1 4 2 dpst (nc/nc) (types 54, 55, 60, 61) 3 1 dpst (no/no) (types 52, 53, 58, 59) 4 2 3 1 dpdt (nc/nc) (types 70, 71, 72, 73) 4 5 6 2 switch contacts shown in detent position. 22.86 .43 (.90 .017) 12.7 (.50) .79 .41 (.031 .016) 9.53 .38 (.375 .015) (style a) 6.35 .38 (.250 .015) (style c) 15.88 .38 (.625 + .015) 1.37 (.054) 2.36 (.093) 11.05 .20 (.435 .008) 15.29 .56 (.602 .022) (model 91 only) dia. 13.72 (.54) 15.88 .38 (.625 .015) 9.53 .38 (.375 .015) .81 (.032) dia. 2.54 (.100) 2.54 (.100) 5.97 .38 (.235 .015) .81 (.032) dia. typ. 10.16 .30 (.40 .012) 5.08 .38 (.20 .015) typ. 11.05 .20 (.435 .008) 12.7 1.02 (.50 .040) 4.45 .38 (.175 .015) 5.59 .20 (.220 .008) 4.45 .38 (.175 .015) 2.54 (.100) 2.54 (.100) 5.08 1.02 (.200 .040) 2.03 (.080) 3 plcs. (.040) wide x (.090) long 3 plcs. 1.02 2.29 tolerances except as shown: decimal .xxx (.015 ) fraction 1/64 .xx (.38) angle 5 .128 .005 mounting surface 31 2 6 5 4 model 97 1st cup same as model 93 (2nd cup - switch) 2.77 .38 (1.09 .015) 15.88 (.625) ref. 2.54 0.25 (.100 .010) 2.41 x 1.14 (.095 .045) slot 6 plcs 8.26 0.25 (.325 .010) 2.29 (.090) 6 plcs. 2 plcs. 2.77 .38 (.109 .015) 16.89 .51 (.665 .020) 5.08 (.20) 321 321 model 92 j-hooked terminals, in-line model 94 j-hooked terminals, "l" pattern 1.52 (.06) .254 (.010) gap .79 (.031) 2 plcs. 5.33 .76 (.21 .03) 1.52 (.06) gap .81 (.032) r. max. 3.81 (.150) max. typ. 1 3 ccw 2 potentiometer total rotation 300 cw detent 25 max. actuation angle (types 50, 52, 54, 56, 58, 60, 70, 72) ccw detent 25 max. actuation angle (types 51, 53, 55, 57, 59, 61, 71, 73) note: switch terminals shown in vertical position. 120 5 std. flat orientation (shaft at ccw end) switch module variations shaft flat orientation mounting surface 31 2 6 5 4 2 3 1 model 99 1st cup same as model 95 (2nd cup - switch) 2.77 .38 (1.09 .015) 15.88 (.625) ref. 24.77 .51 (.975 .020) 2.41 x 1.14 (.095 .045) slot 6 plcs 2.29 (.090) 6 plcs. 2.77 .38 (.109 .015) 16.89 .51 (.665 .020) 5.59 .38 (.022 .015) 4.45 .38 (.175 .015) dimensions are: mm (inches) 91, 92, 93, 94, 95, 96, 97, 99 - 5/8 square single-turn product dimensions
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. plastic shaft styles 1.60+.38/-.00 (.063+.015/-.000) 11.18 .38 (.440 .015) 22.23 (.875) 1.60+.38/-.00 (.063+.015/-.000) 1.80 0.25 (.071 .010) 1.50 0.25 (.059 .010) ?f? .38 (?f? .015) 6.32+.000/-.152 (.249+.000/.006) dia. 6.30+.000/-.152 (.248+.000/.006) dia. 5.49 (.216) 6.32+.010/-.025 (.2490+.0004/.0010) dia. 1.194 (.047) 5.486 .051 (.216 .002) 1.19 (.047) 6.31+.025/-.051 (.2485+.001/.002) dia. 14.27 .25 (.562 .010) 1.80 .25 (0.07 .001) 1.00 (.04) 1.50 .25 (0.06 .001) 13.16+.00/-.15 (.1245+.000/-.006) dia. 48 tooth 5.994 +0.000/-0.051 (.236 +.000/-.002) dia. dia. 3.988 +0.000/-0.051 (.157 +.000/-.002) shaft type "b" (uses bushing a or d) shaft type "d" (uses bushing c) shaft type "t" (uses bushing u) shaft type "c" (uses bushing a or d) shaft type "r" (uses bushing r) shaft type "w" (uses bushing a or d) shaft type "a" (uses bushing a) shaft type "h" (uses bushing a) shaft type "v" (uses bushing u) shaft type "g" (uses bushing a) shaft type "j" (uses bushing r) shaft type "y" (uses bushing a) tolerances except as shown: .xx = .79 (0.03) std. lengths: 16.00 (.630) 12.00 (.472) 22.00 (.866) 25.40 (1.00) .02 (.050) .xxx = .005 (.127) .xxxx = .0005 (.0127) 6.32+.010/-.025 (.2490+.0004/.0010) dia 6.32+.010/-.025 (.2490+.0004/.0010) dia 1.00 0.13 (.039 .054) 6.00+.000/-.035 (.2362+.0000/.0010) dia 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) 25.4 (1.000) 12.0 (.472) 16.0 (.630) 19.0 (.748) 22.0 (.866) 19.05 (.750) 1.60 (.063) 14.30 (.563) 4.78 (.188) 7.95 (.313) 11.13 (.438) metal shaft styles 0.79 0.13 (.031 .054) 3.99+.000/-.035 (.1571+.0000/.0010) dia 8.74 (.344) 9.12 (.359) .762 (.030) 1.27 (.050) 1.57 (.062) 5.97 (.235) 21 5.03 .05 (.198 .002) dia. dia. 5.87 (.231) std. lengths: std. lengths: std. lengths: std. lengths: 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) 12.70 (.500) 15.88 (.625) 19.05 (.750) std. lengths: 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) 25.4 (1.000) std. lengths: 16.0 (.630) 19.0 (.748) 22.0 (.866) 12.0 (.472) 16.0 (.630) 19.0 (.748) 22.0 (.866) std. lengths: std. lengths: std. lengths: std. lengths: std. lengths: 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) 25.4 (1.000) flat length ?f?: dimensions are: mm (inches) 91, 92, 93, 94, 95, 96, 97, 99 - 5/8 square single-turn product dimensions
specifications are subject to change without notice. customers should verify actual device performance in their specific applications. switch type (models 97 & 99 only) (r50) dpst n.o./n.c. cw detent in-line term (r51) dpst n.o./n.c. ccw detent in-line term (r52) dpst n.o./n.o. cw detent in-line term (r53) dpst n.o./n.o. ccw detent in-line term (r54) dpst n.c./n.c. cw detent in-line term (r55) dpst n.c./n.c. ccw detent in-line term (r56) dpst n.o./n.c. cw detent horz term (r57) dpst n.o./n.c. ccw detent horz term (r58) dpst n.o./n.o. cw detent horz term (r59) dpst n.o./n.o. ccw detent horz term (r60) dpst n.c./n.c. cw detent horz term (r61) dpst n.c./n.c. ccw detent horz term (r70) dpdt cw detent in-line term (r71) dpdt ccw detent in-line term (r72) dpdt cw detent horz term (r73) dpdt ccw detent horz term anti-rotation lug a single .305 ? (7.8 mm) r, 90 cw c single .305 (7.8 mm) r, 270 cw d no lug # sections applicable models 1 single models 91 thru 96 only 2 dual all models, 2nd section is a switch in model 99 available only in shaft type lengths bushings (code) (code) b plastic single slotted 1/4 " (6.35 mm) d 16,20,24,28 a,d c plastic single flatted 1/4" (6.35 mm) d 24,28 a,d d plastic single plain 1/8" (3.18 mm) d 16,20,24 c r plastic single slotted 6 mm d metric 16,19,22 r t plastic single slotted 4 mm d metric 16,19,22 u w plastic single knurled 1/4" (6.35 mm) d 32 a,d a metal single plain 1/4" (6.35 mm) d 16,20,24,28,32 a g metal single slotted 1/4" (6.35 mm) d 16,20,24,28,32 a h metal single flatted 1/4" (6.35 mm) d 16,20,24,28,32 a j metal single slotted 6 mm d metric 12,16,19,22 r v metal single slotted 4 mm d metric 12,16,19,22 u y metal single knurled 1/4" (6.35 mm) d 24 a element type resistance code taper/tolerance value in ohms (a) linear cermet 10 % (05) - 100 (30) - 15 k (h) linear cermet 5 % (28) -150 (16) - 20 k (06) - 200 (17) - 25 k (07) - 250 (18) - 50 k (08) - 500 (19) - 75 k (09) - 750 (20) - 100 k (10) - 1 k (31) - 150 k (29) - 1.5 k (21) - 200 k (11) - 2 k (22) - 250 k (12) - 2.5 k (23) - 500 k (13) - 5 k (24) - 750 k (14) - 7.5 k (25) - 1 m (15) - 10 k (b) linear c-p 20 % (10) - 1 k (18) - 50 k (e) linear c-p 10 % (12) - 2.5 k (20) - 100 k (13) - 5 k (22) - 250 k (15) - 10 k (23) - 500 k (16) - 20 k (25) - 1 m (17) - 25 k (c) cw audio cermet 10 % (10) - 1 k (18) - 50 k (d) cw audio c-p 20 % (12) - 2.5 k (20) - 100 k (f) ccw audio cermet 10 % (13) - 5 k (22) - 250 k (g) ccw audio c-p 20 % (15) - 10 k (23) - 500 k (s) cw audio c-p 10 % (17) - 25 k (25) - 1 m (t) ccw audio c-p 10 % shaft available length only in (fms) bushing code description code 16 1/2 l a, c, d 20 5/8 l a, c, d 24 3/4 ?l a, c, d 28 7/8 ?l a, d 32 1 l a, d metric 12 12 mml u 16 16 mml r, u 19 19 mml r 22 22 mml r, u bushing a metal plain 3/8 ? (9.53 mm) d x 3/8 ? (9.53 mm) l c metal plain 1/4 ? (6.35 mm) d x 1/4 ? (6.35 mm) l d plastic unthreaded 3/8 (9.53 mm) d x 3/8 (9.53 mm) l r metal plain 10 mm d x 9 mm l u metal plain 7 mm d x 9 mm l model 91 single-turn, in-line pc pins 92 single-turn, in-line j-hooks 93 single-turn, l-pattern pc pins 94 single-turn, l-pattern j-hooks 95 single-turn, triangle-pattern solder lugs 96 single-turn, in-line pc pins, sealed* 97 single-turn, l-pattern pc pins w/switch 99 single-turn, triangle-pattern solder lugs w/switch how to order 90 series panel controls boldface features are bourns standard options. all others are available with higher minimum order quantities. rev. 08/09 91 a 2 a - a 28 - a 15 r51 99 a 2 a - b 28 - a 15 / a15 / models 91 - 96: part number for multiple section potentiometers must have a taper and resistance value for each section. models 97 & 99: part number must contain a switch type. l l rohs identifier l compliant blank non-compliant *model 96 is not available in multi-gang versions.
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