1/4" square single-turn cermet sealed trimmers www.vishay.com for technical ques tions, contact: sf er@vishay.com document number: 51016 42 see also: application notes revision: 24-jan-07 t73 vishay sfernice features ? industrial grade ? fully sealed ? miniature package ? rotor designed for automatic machine adjust interface ? withstands harsh environments and immersion cleaning process dimensions in millimeters t73y top adjust t73yp 2.54 2.54* 2.54* 4.7 2 31 3.53 6.6 3.8 ? 0.46 5.46 0.38 base level 7 t73ye 2.54* 2 3 1 3.53 2.54* 2.54* t73yu 1 3 2 2.54* 2.54* 3.53 t73yb 2 2.54 2.54 31 4.06 0.38 t73x side adjust t73xx 2.54* 2.54* 2.54* 4.7 1.02 3 2 1 7 3.8 6.6 ? 0.46 0.05 5.46 0.38 base level t73xh 2.54* 2.54* 2.54 4.7 1.02 1 2 3 t73xw 2.29 2.54* 2.54* 1 2 3 4.7 tolerances unless otherwise specified 0.25 mm cruciform slot ? 3 long 2.77, wide 0.64 - deep 0. 8 9 circuit diagram a c b cw (2) (3) (1) rohs compliant
document number: 51016 for technica l questions, contact: sfer@vishay.com www.vishay.com revision: 24-jan-07 see also: application notes 43 t73 1/4" square single-turn cermet sealed trimmers vishay sfernice electrical specifications resistive element cermet electrical travel 240 nominal resistance range 10 to 2 m standard series 1 - 2 - 5 tolerance standard 10 % power rating linear 0.5 w at 70 c logarithmic not applicable temperature coefficient 100 ppm/c limiting element voltage 300 v contact resistance variation 1 % or 3 max. whichever is greater absolute minimum resistance 1 % or 2 max. whichever is greater adjustability 0.05 % voltage 0.15 % resistance resolution infinite insulation resistance (500 v dc) 10 3 m minimum dielectric strength 900 vac sea level 350 vac 80 000 feet mechanical specifications mechanical travel 270 operating torque (max. ncm) 2.1 end stop torque (max. ncm) 4.9 unit weight (max. g) 0.6 environmental specifications temperature range - 55 c to + 125 c climatic category 55/100/56 seal test 85 c fluorinert** flammability ul 94-vo ** fluorinert is a registered trademark of 3m co. power rating chart 0 20 40 100 125 140 70 60 0.25 0 0.50 ambient temperature in degrees celsius power in watt performance tests conditions typical values and drifts load life 1000 hours - 0.5 w at + 70 c r r 3 % crv < 3 or 3 % whichever is greater shock 100 g r r < 1 % v v < 1 % vibration 30 g r r < 1 % v v 1 % humidity mil-std202 method 103 - 96 hours r r < 2 % i.r. 10 m rotational life 200 cycles r r < 4 % crv < 3 or 3 % whichever is greater
www.vishay.com for technical ques tions, contact: sf er@vishay.com document number: 51016 44 see also: application notes revision: 24-jan-07 t73 vishay sfernice 1/4" square single-turn cermet sealed trimmers marking printed: vishay trademark, resistance code, terminal numbers, date code, manufacturer?s model number and style standard resistance element data standard resistance values linear law tcr - 55 c + 125 c max. power at 70 c max. working voltage max. wiper cur. wv mappm/c 10 20 50 100 200 500 1k 2k 5k 10k 20k 50k 100k 200k 500k 1m 2m 0.5 0.50 0.45 0.18 0.09 0.05 2.2 3.2 5 7.1 10 15.8 22.4 31.6 50 70.7 100 158.1 223.6 300 300 300 300 224 160 100 70 50 32 22 16 10 7.1 5 3.2 2.2 1.5 0.60 0.30 0.15 100 packaging - in tube by 50 pieces, code tu50 - tape and reel for model yu, code tr750 and xw, code tr100 ordering information t73 series yp style 500 k ohmic value 10 % tolerance tu50 pac k ag i n g e3 lead finish xx xh xw yp ye yu yb tu50 on request: tr750 tr1000 e3: pure sn sap part numbering guidelines t 73yp 504 k t 2 0 model style ohmic v alue tol packagi n g code special (if applicable) see the end of this data b ook for con v ersion ta b les
legal disclaimer notice vishay document number: 91000 www.vishay.com revision: 08-apr-05 1 notice specifications of the products displayed herein are subjec t to change without notice. vishay intertechnology, inc., or anyone on its behalf, assume s no responsibility or liability fo r any errors or inaccuracies. information contained herein is intended to provide a product description only. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in vishay's terms and conditions of sale for such products, vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and /or use of vishay products including liab ility or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyrigh t, or other intellectual property right. the products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify vishay for any damages resulting from such improper use or sale.
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