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sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 1 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 standard metal film leaded resistors a homogeneous film of metal alloy is deposited on a high grade ceramic body. after a helical groove has been cut in the resistive layer, tinned connecting leads of electrolytic copper are welded to the end-caps. the resistors are coated with a colored lacquer (light-blue for type sfr16s; light-green for type sfr25 and red-brown for type sfr25h) which provide s electrical, mechanical and climatic protection. the encapsulation is resistant to all cleaning solvents in accordance with iec 60068-2-45. features ?low cost ? low noise (max. 1.5 v/v for r > 1 m ? ) ? small size (sfr16s: 0204, sfr25/25h: 0207) ? lead (pb)-free solder contacts ? pure tin plating provides compati bility with lead (pb)-free and lead containing soldering processes ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 applications ? general purpose resistors note ? r value is measured with probe distance of 24 mm 1 mm usin g 4-termin al method technical specifications description unit sfr16s sfr25 sfr25h resistance range ? ?? 5 %; 1 to 3m 5 %; 0.22 to 10m ?? 1 %; 4.99 to 3m ? 1 %; 1 to 10m jumper (0 ? )jumper (0 ? ) resistance tolerance % ? 1, e24/e96 series; ?? 5, e24 series temperature coefficient: ppm/k r ?? 4.7 ????? 250 ???? 100 ???? 100 4.7 ??? r ? 100 k ????? 100 ??? 100 ??? 100 100 k ?? r ? 1m ???? 250 ??? 100 ?? 100 r ? 1m ????? 250 ??? 250 ??? 250 rated dissipation, p 70 w 0.5 0.4 0.5 thermal resistance, r th k/w 170 200 150 maximum permissible voltage, ( u max. ac/dc) v 200 250 350 noise: v/v r ? 68 k ? max. 0.1 max. 0.1 max. 0.1 68 k ???? r ? 100 k ? max. 0.5 max. 0.1 max. 0.1 100 k ???? r ? 1m ? max. 1.5 max. 0.1 max. 0.1 r ? 1m ? max. 1.5 max. 1.5 max. 1.5 basic specifications iec 60115-1 climatic category (iec 60068-1) 55/155/56 stability, ? r max., after: load (1000 h, p 70 ): r range ? (2 % r + 0.05 ? ) ? (2 % r + 0.05 ? ) ? (2 % r + 0.05 ? ) long term damp he at test (56 days): r ?? 1m ?? (1 % r + 0.05 ? ) ? (1 % r + 0.05 ? ) ? (1 % r + 0.05 ?? ) r ? 1m ?? (1 % r + 0.05 ? ) ? (1 % r + 0.05 ? ) ? (2 % r + 0.1 ? ) soldering (10 s, 260 c) ? (0.25 % r + 0.05 ? ) (0.25 % r + 0.05 ? ) (0.25 % r + 0.05 ? ) short time overload (0.25 % r + 0.05 ? ) ? (0.25 % r + 0.05 ? ) ? (1 % r + 0.05 ? )
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 2 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 notes (1) please refer to table packaging ? the jumper has a maximum resistance r max. = 30 m ? at 3 a (sfr16s) ? the jumper has a maximum resistance r max. = 30 m ? at 5 a (sfr25) ? the part number is shown to facilitate the introd uction of a unified part numberi ng system for or dering products dimensions part number and product decsription part number: sfr2500001001fa500 model/size variant tcr/material value tolerance packaging (1) special sfr16s0 sfr2500 sfr25h0 0 = neutral z = value overflow (special) 0 = standard z = jumper 3 digit value 1 digit multiplier multiplier f = 1 % j = 5 % z = jumper n4 a5 a1 r5 the 2 digits are used for all special parts. 00 = standard 7 = *10 -3 8 = *10 -2 9 = *10 -1 0 = *10 0 1 = *10 1 2 = *10 2 3 = *10 3 4 = *10 4 5 = *10 5 z = 0000 product description: sfr25 1 % a5 1k0 sfr25 1 % a5 1k0 model/size tolerance packaging (1) resistance value sfr16s sfr25 sfr25h 1 % 5 % n4 a5 a1 r5 47k = 47 k ? 51r1 = 51.1 ? packaging model tolerance taping ammo pack reel pieces code pieces code sfr16s 1 % axial, 52 mm 5000 a5 5000 r5 sfr16s 5 % axial, 52 mm 5000 a5 5000 r5 1000 a1 sfr25, sfr25h 1 % axial, 52 mm 5000 a5 5000 r5 sfr25, sfr25h 5 % axial, 52 mm 5000 a5 5000 r5 1000 a1 sfr25, sfr25h 1 % radial 4000 n4 - - sfr25, sfr25h 5 % radial 4000 n4 - - dimensions - resistor types and relevant ph ysical dimensions in millimeters type ? d max. l 1 max. l 2 max. ? d sfr16s 1.9 3.5 4.1 0.45 ?? 0.05 sfr25 2.5 6.5 7.5 0.58 ?? 0.05 sfr25h 2.5 6.5 7.5 0.58 ?? 0.05 ? d l 1 ? d outline l 2 25 r f s00001001fa500
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 3 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 outlines the length of the body (l 1 ) is measured by inserting the leads into holes of two identical gauge plates and moving these plates parallel to each ot her until the resistor body is clamped without deformation (iec 60294). marking the nominal resistance and to lerance are marked on the resistor using four or five colored bands in accordance with iec 60062, marking codes for resistors and capacitors. products with radial leads (sfr25, sfr25h) note ? please refer to document packaging for more detail ( www.vishay.com/doc?28721 ). mass per unit type mass (mg) sfr16s 102 sfr25 205 sfr25h 205 dimensions - radial taping symbol parameter value tolerance unit p pitch of components 12.7 1.0 mm p 0 feed-hole pitch 12.7 0.2 mm p 1 feed-hole centre to lead at topside at the tape 3.85 ?? 0.5 mm p 2 feed-hole center to body center 6.35 1.0 mm f lead-to-lead distance 4.8 + 0.7/- 0 mm w tape width 18.0 0.5- mm w 0 minimum hold down tape width 5.5 - mm h1 component height 29 max. mm h 0 lead wire clinch height 16.5 0.5 mm h 0 height of component from tape center 19.5 1 mm d 0 feed-hole diameter 4.0 0.2 mm l maximum length of snipped lead 11.0 - mm l 1 minimum lead wire (tape portion) shortest lead 2.5 - mm p p 2 w w 0 d 0 p 1 p 0 l 1 l f h 0 h 1 h
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 4 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 functional performance product characterization standard values of nominal resistance are taken from the e96/ e24 series for resistors with a tolerance of 1 % or 5 %. the values of the e96/e24 series are in accordance with iec 60063. the power that the resistor can dissipate depends on the operating temperature maximum dissipation (p max. ) in percentage of rated power as a function of the ambient temperature (t amb ) sfr16s pulse on a regular basis; ma ximum permissible pe ak pulse power ( max. ) as a function of pulse duration ( t i ) - 55 70 0 t amb (c) 50 max. (% rated ) 0 50 100 100 155 p p deratin g 10 -5 10 -4 10 -3 10 -2 10 -1 1 10 3 1 10 10 2 max. (w) i (s) 10 -6 10 -1 200 100 50 20 10 5 2 / = 1000 i t p t p t 500 p
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 5 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 sfr16s pulse on a regular basis; maxi mum permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) sfr25 pulse on a regular basis; maxi mum permissible pe ak pulse power ( max. ) as a function of pulse duration ( t i ) sfr25 pulse on a regular basis; maxi mum permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) 600 0 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 1 500 400 300 200 100 max. (v) i (s) u t u t p t t p u t u
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 6 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 sfr25h pulse on a regular basis; ma ximum permissible pe ak pulse power ( max. ) as a function of pulse duration ( t i ) sfr25h pulse on a regular basis; maxi mum permissible peak pulse voltage ( max. ) as a function of pulse duration ( t i ) 10 -5 10 -4 10 -3 10 -2 10 -1 1 10 3 1 10 10 2 10 -6 10 -1 2 5 10 20 50 100 200 500 i (s) t max. (w) / = 1000 p i t p t p h 1200 0 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 1 800 400 max. (v) u i (s) t u
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 7 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 sfr16s hot-spot temperature rise ( ? t ) as a function of dissipated power sfr25/sfr25h hot-spot temperature rise ( ? t ) as a function of dissipated power note ? the maximum permissible hot- spot temperature is 155 c. application information 0 0.2 0.4 0.8 100 0 50 0.6 (w ) (k) ? p t 00.5 100 0 20 40 60 80 0.1 0.2 0.3 0.4 (w) ? (k) sfr25 sfr25h p t
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 8 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 tests and requirements essentially all tests are ca rried out in accordance with iec 60115-1 specification, category lct/uct/56 (rated temperature range: lower ca tegory temperature, upper category temperature; damp heat, steady state, test duration: 56 days). the tests are carried out in accordance with iec 60068-2-xx test method under standa rd atmospheric conditions according to iec 60068-1, 5.3. in the test procedures and requirements table, tests and requirements are listed with reference to the relevant clauses of iec 60115-1 and iec 60068-2-xx test methods. a short description of the test procedure is also given. in some instances deviations from the iec recommendations were necessary for our method of specifying. all soldering tests are performed with mildly activated flux. test procedures and requirements iec 60115-1 clause iec 60068-2 test method test procedure resistance range requirements sfr16s sfr25 sfr25h 4.16 robustness of terminations: 4.16.2 21 (ua1) tensile all samples ? 0.45 mm, load 5 n; 10 s ? 0.58 mm, load 10 n; 10 s number of failures < 10 x 10 -6 4.16.3 21 (ub) bending half number of samples ? 0.45 mm, load 2.5 n; 4 x 90 ? 0.58 mm, load 5 n; 4 x 90 number of failures < 10 x 10 -6 4.16.4 21 (uc) torsion other half of samples 3 x 360 in opposite directions no damage ? r max.: (0.25 % r + 0.05 ? ) 4.17 20 (ta) solderability 2 s; 235 ? c: solder bath method; snpb40 3 s; 245 ? c: solder bath method; snag3cu0.5 good tinning ( ? 95 % covered); no damage solderability (after aging) 8 h steam or 16 h 155 c; leads immersed 6 mm; for 2 s at 235 c: solder bath (snpb40) for 3 s at 245 c: solder bath (snagcu0.5) method good tinning ( ? 95 % covered); no damage 4.18 20 (tb) resistance to soldering heat thermal shock: 10 s; 260 c; 3 mm from body ? r max.: (0.25 % r + 0.05 ? ) 4.19 14 (na) rapid change of temperature 30 min at - 55 c and 30 min at + 155 c; 5cycles ? r max.: (0.25 % r + 0.05 ? ) 4.20 29 (eb) bump 3 x 1500 bumps in 3 directions; 40 g no damage ? r max.: (0.25 % r + 0.05 ? ) 4.22 6 (fc) vibration frequency 10 hz to 500 hz; displacement 1.5 mm or acceleration 10 g; 3directions; total 6 h (3 x 2 h) no damage ? r max.: (0.25 % r + 0.05 ? ) 4.23 climatic sequence: r ins min.: 1000 m ? 4.23.2 2 (ba) dry heat 16 h; 155 c 4.23.3 30 (db) damp heat (accelerated) 1 st cycle 24 h; 55 c; 90 % to 100 % rh 4.23.4 1 (aa) cold 2 h; - 55 c 4.23.5 13 (m) low air pressure 2h; 8.5kpa; 15 c to 35 c 4.23.6 30 (db) damp heat (accelerated) remaining cycles 5 days; 55 c; 95 % to 100 % rh r ? 1m ?? r max.: (1 % r + 0.05 ? ) r ? 1m ?? r max.: (1 % r + 0.05 ? ) ? r max.: (2 % r +0.1 ? )
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 9 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 historical 12nc information ? the resistors had a 12-digit numeric code starting with 23. ? the subsequent 6 digits for 1 % or 7 digits for 5 % indicated the resistor type and packaging. ? the remaining digits indi cated the resistance value: - the first 3 digits for 1 % or 2 digits for 5 % indicated the resistance value. - the last digit indicate d the resistance decade. resistance decade for 5 % tolerance resistance decade for 1 % tolerance 12nc example the 12nc of a sfr25 resistor, value 5600 ? 5 %, taped on a bandolier of 5000 units in ammopack was: 2322 181 43562. 4.24 78 (cab) damp heat (steady state) 56 days; 40 c; 90 % to 95 % rh; loaded with 0.01 p 70 (steps: 0 v to 100 v) r ins min.: 1000 m ? ? r max.: (2 % r + 0.05 ? ) 4.25.1 endurance (at 70 c) 1000 h; loaded with p 70 or u max. ; 1.5 h on and 0.5 h off ? r max.: (2 % r + 0.05 ? ) 4.8 temperature coefficient between - 55 c and + 155 c r ? 4.7 ?? 250 ppm/k ? 100 ppm/k ? 100 ppm/k r ? 100 k ?? 100 ppm/k ? 100 ppm/k ? 100 ppm/k r ? 1m ?? 250 ppm/k ? 100 ppm/k ? 100 ppm/k r ? 1m ?? 250 ppm/k ? 250 ppm/k ? 250 ppm/k 4.7 voltage proof on insulation u rms = 400 v ( sfr16s ) or u rms = 600 v ( sfr25 and sfr25h ); during 1 min; v-block method no breakdown 4.12 noise iec 60195 r <68k ? max. 0.1 v/v max. 0.1 v/v max. 0.1 v/v r ? 100 k ? max. 0.5 v/v max. 0.1 v/v max. 0.1 v/v r ? 1m ? max. 1.5 v/v max. 0.1 v/v max. 0.1 v/v r >1m ? max. 1.5 v/v max. 1.5 v/v max. 1.5 v/v 4.6.1.1 insulation resistance u max. dc = 500 v during 1 min; v-block method r ins min.: 1000 m ? 4.13 short time overload room temperature; p = 6.25 x p n ( sfr25, sfr25h ) or 6.25 x 0.25 w ( sfr16s ); (voltage not more than 2 x limiting voltage); 10 cycles; 5 s on and 45 s off ? r max.: ??? 0.25 % r + 0.05 ? ) ? r max.: 1 % r +0.05 ? ) test procedures and requirements iec 60115-1 clause iec 60068-2 test method test procedure resistance range requirements sfr16s sfr25 sfr25h resistance deca de last digit 0.10 ? to 0.91 ? 7 1 ? to 9.1 ? 8 10 ? o91 ? 9 100 ? to 910 ? 1 1 k ? to 9.1 k ? 2 10 k ? to 91 k ? 3 100 k ? to 910 k ? 4 1 m ? to 9.1 m ? 5 = 10 m ? 6 resistance deca de last digit 1 ? to 9.76 ? 8 10 ? to 97.6 ? 9 100 ? to 976 ? 1 1k ? to 9.76 k ? 2 10 k ? to 97.6 k ? 3 100 k ? to 976 k ? 4 1m ? to 9.76 m ? 5 = 10 m ? 6
sfr16s/25/25h www.vishay.com vishay bccomponents revision: 05-mar-13 10 document number: 28722 for technical questions, contact: filmresistorsleaded@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 historical 12nc - resistor type and packaging type tol. 23.. ... ..... bandolier in ammopack bandolier on reel radial taped straight leads straight leads 4000 units 1000 units 5000 units 5000 units sfr16s 5 % - ..22 187 73... ..22 187 53... ..06 187 23... 1 % - - ..06 187 3... ..06 187 1.... jumper - - ..06 187 90013 ..22 187 90346 sfr25 5 % ..06 184 03... ..22 181 53... ..22 181 43... ..22 181 63... 1 % - - ..22 188 2... ..06 181 8.... jumper - ..22 181 90018 ..22 181 90019 ..06 181 90011 sfr25h 5 % ..06 186 03... ..22 186 16... ..22 186 76... ..06 186 63... 1 % - - ..22 186 3.... ..06 186 8....
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