70 www.vishay.com vishay spectrol revision: 02-oct-13 1 document number: 57076 for technical questions, contact: sferpottrimmers @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 1 1/4" rectangular multi-turn cermet trimmer features ? 0.5 w at 70 c ? unique t slider block design ? wire leads available ? crv of 3 % or 3 ? ? rt tolerance 10 % std ( 5 % available) ? tests according to cecc 41000 or iec 60393-1 ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 dimensions in inches (millimeters) 0.02" ( 0.5 mm) 70y 70l t 601 mtg. hole s ? 0.093 (2.36) 1.250 (31.75) 1.000 (25.40) 0.125 (3.18) 0.010 ? 0.11 (2.79) 0.070 (1.78) 0.010 0.010 0.010 0.025 (0.63) 0.010 0.050 (1.27) 0.010 0.700 (17.28) 0.010 0.300 (7.62) 0.010 0.100 (2.54) 0.010 0.030 (0.76) 0.260 (6.60) adju s tment s crew head s lot 0.015 0.025 (0.64) wide x 0.030 (076) deep 0.196 (4.98) 0.010 0.325 (8.25) 0.015 0.500 (12.70) 0.030 ? 0.028 typ. (0.71) 0.003 0.098 (2.49) 0.245 (6.22) 0.050 (1.27) 0.010 0.63 (1.60) maximum meni s cu s #28 aw g lead s in s ulated 6 " (152.40 min. length) 7 (0.26) ? 5.49 (12-28 nf) s pectrol 6-2 43.2 (1.702) 7.6 (0.300) 6.5 (0.255) ? 10.2 (0.401) 12-28 hex nut s hakeproof wa s her 10 (0.39)
70 www.vishay.com vishay spectrol revision: 02-oct-13 2 document number: 57076 for technical questions, contact: sferpottrimmers @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 electrical specifications resistance range 10 ? thru 2 m ? standard resistance tolerance 10 % end resistance 2 % maximum actual effective electrical travel 20 turns nominal contact resistance variation 3 % or 3 ? , whichever is greater dielectric withstanding voltage 1000 v ac at sea level, 350 v ac at 80 000 feet (24 400 meters) insulation resistance 1000 m ? power rating 0.5 w at 70 c circuit diagram limiting element voltage 350 v temperature coefficient of resistance (typical) 100 ppm/c mechanical specifications operating torque 5 oz. in (3.60 ncm) maximum rotational life 200 cycles with loaded circuit, maximum change in resistance 2 % or 500 cycles without di scontinuity unloaded weight 0.116 oz. (3.3 g) maximum terminals pure sn (code e3) environmental specifications operating temperature rang e -55 c to +125 c (100 c for leadwire style) terminal strength 2 lbs (9 n) minimum push/pull sealed all units sealed to permit cleaning in common solvents immersion climatic category m70y: 55/125/21 m70l: 55/100/21 performances tests conditions typical values and drifts ? r t / r t (%) ? r 1-2 / r 1-2 (%) thermal shock -55 c to +125 c, 5 cycles (100 c for leadwire style) 1 % 1 % shock 50 g at 11 ms, 3 successive shocks in 3 directions 1 % 1 % vibration 10 hz to 55 hz 0.75 mm or 10 g for 6 h 1 % 1 % load life 1000 h at rater power 90'/30' 1 % 5 % high temperature exposure +125 c ( 100 c for leadwire style) 1 % 5 % resistance to solder heat 350 c for 3 s 1 % - 0140 0.5 0 ambient temperature in c power in w 0.1 0.6 0.4 0.3 0.2 120 100 80 70 60 40 20 70l 70y a (1) b (2) c (3) cw
70 www.vishay.com vishay spectrol revision: 02-oct-13 3 document number: 57076 for technical questions, contact: sferpottrimmers @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 marking ?model ?ohmic value ? tolerance ? circuit diagram ? manufacturing date packaging in box of 50 pieces code b25 (bo50) ordering information (part number) model style ohmic value tolerance packaging code special number m70 l = leadwire y = printed circuit pins from 10 ? to 2 m ? 103 = 10k k = 10 % on request: j = 5 % b25 = box 50 pieces (if applicable) given by vishay for custom design description (for information only) 70 l 10k 10 % bo50 e3 model style value tolerance special packaging lead (pb)-free l103 b25 k 70 m
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