document number: 51015 for tec hnical questions, contact: sfer@vishay.com www.vishay.com revision: 10-nov-10 see al so application note: www.vishay.com/doc?51001 and www.vishay. com/doc?52029 1 7 mm diameter miniature cermet trimmer t7 vishay sfernice a dust sealed plastic case protecting a quality cermet track guarantees high performa nce and proven reliability. adjustments are made easier by the clear scale readings. t7 is ideally suited to all industrial applications. features ? industrial grade ? 0.5 w at 70 c ? tests according to cecc 41100 or iec 60393-1 ? low temperature coefficient (100 ppm/k typical) ? wide resistance range (10 to 2.2 m ) ? easy to read scale ? 7 mm (0.275") diameter ? compliant to rohs directive 2002/95/ec dimensions in millimeters ( 0.5 mm) t7 ya t7 yb 2.54 0.4 0.5 2.54 2.54 a b c ? 4 6 4.5 min. ? 7 ? 4 6 4.5 min. ? 7 0.6 2.54 2.54 0.3 0.5 a c b 90
t7 vishay sfernice 7 mm diameter miniature cermet trimmer www.vishay.com for technical questions, contact: sfer@vishay.com document number: 51015 2 see also application note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 revision: 10-nov-10 electrical specifications resistive element cermet electrical travel 270 15 resistance range 10 to 2.2 m standard series e3 1 - 2.2 - 4.7 and on request 1 - 2 - 5 tolerance standard standard 20 % on request 10 % power rating linear 0.5 w at 85 c circuit diagram temperature coefficient see standard resistance element data limiting element voltage (linear law) 250 v contact resistance variation 3 % or 3 end resistance (typical) 1 dielectric strength (rms) 1000 v insulation resistance 10 6 m mechanical specifications mechanical travel 300 5 operating torque (max. ncm) 2 end stop torque (max. ncm) 4 unit weight (max. g) 0.5 terminals snag alloy (code e2) environmental specifications temperature range - 55 c to + 125 c climatic category 55/100/56 sealing ip64 for board cleaning, vishay recommands te sting before usage. water immersion is forbidden. ultrasonic may cause component damage or failure. 0 20 40 100 125 140 85 70 0.25 0 0.50 ambient temperature in degrees celsius power in watt a c b cw (2) (3) (1)
t7 7 mm diameter miniat ure cermet trimmer vishay sfernice document number: 51015 for tec hnical questions, contact: sfer@vishay.com www.vishay.com revision: 10-nov-10 see al so application note: www.vishay.com/doc?51001 and www.vishay. com/doc?52029 3 performances tests conditions typical values and drifts r t / r t (%) r 1-2 / r 1-2 (%) load life 1000 h at rated power 90'/30' - ambient temperature 70 c 3 % contact resistance variation: < 3 % rn 4 % climatic sequence phase a dry heat 100 c 2 % 3 % phase b damp heat phase c cold - 55 c phase d damp heat 5 cycles long term damp heat 56 days 2 % dielectric strength: 1000 v rms insulation resistance: > 10 4 m 3 % rapid temperature change 5 cycles - 55 c at + 125 c 1 % v 1-2 / v 1-3 2 % shock 50 g - 11 ms 0.5 % 1 % 3 successive shocks in 3 directions vibration 10 hz to 55 hz 0.75 mm or 10 g during 6 h 0.5 % v 1-2 / v 1-3 1 % rotational life 200 cycles 3 % contact resistance variation: < 3 % rn standard resistance element data standard resistance values linear law typical tcr - 55 c to + 125 c max. power at 85 c max. worki ng voltage max. wiper current wvmappm/c 10 0.5 2.2 224 100 22 0.5 3.3 150 47 0.5 4.8 103 100 0.5 7.0 70 220 0.5 10.5 47 470 0.5 15.3 32 1k 0.5 22.4 22 2.2k 0.5 33.2 15 4.7k 0.5 48.5 10 10k 0.5 70.7 7.0 22k 0.5 105 4.8 47k 0.5 153 3.2 100k 0.5 224 2.2 220k 0.28 250 1.1 470k 0.13 250 1.53 1m 0.06 250 0.25 2.2m 0.028 250 0.11
t7 vishay sfernice 7 mm diameter miniature cermet trimmer www.vishay.com for technical questions, contact: sfer@vishay.com document number: 51015 4 see also application note: www.vishay.com/doc?51001 and www.vishay.com/doc?52029 revision: 10-nov-10 marking ? vishay trademark ?model ? ya or yb style ? ohmic value (in , k , m ) ? manufacturing date ? marking of terminal: 3 packaging ? in box of 200 pi eces, code b40 ? on request: in tube of 50 pieces, code t20 (tu50) ordering information (part number) model style ohmic value tolerance packaging code special number t7 ya yb x from 10 to 2.2 m 103 = 10k m = 20 % on request: k = 10 % b40 = box 200 pieces on request: t20 = tube 50 pieces (if applicable) given by vishay for custom design description (for information only) t7 ya 470k 20 % bo e2 model style value tolerance special packaging lead finish a474 b40 m 7y t
document number: 91000 www.vishay.com revision: 18-jul-08 1 disclaimer legal disclaimer notice vishay all product specifications and data are subject to change without notice. vishay intertechnology, inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, ?vishay?), disclaim any and all liability fo r any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. vishay disclaims any and all li ability arising out of the use or application of any product describ ed herein or of any information provided herein to the maximum extent permit ted by law. the product specifications do not expand or otherwise modify vishay?s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of vishay. the products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. customers using or selling vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify vishay for any damages arising or resulting from such use or sale. please contact authorized vishay personnel to obtain written terms and conditions regarding products designed for such applications. product names and markings noted herein may be trademarks of their respective owners.
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