1 1-9 model 23a, b, s electrical standard resistance range, ohms 10 to 2meg standard resistance tolerance ?0% input voltage, maximum 200 vdc or rms not to exceed power rating power rating, watts 0.25 at 70? derating to 0 at 125? end resistance, maximum 1% or 3 ohms, whichever is greater actual electrical travel, nominal 210 dielectric strength 500 vrms insulation resistance, minimum 100 megohms resolution essentially infinite contact resistance variation, maximum 1% or 3 ohms, whichever is greater environmental seal 85? fluorinert?(no leaks) temperature coefficient, maximum ?00ppm/? (<200 ohms, >1meg = ?50ppm/?) operating temperature range ?5? to +125? thermal shock 5 cycles, ?5? to +125? (2% ? rt, 2% ? vr) moisture resistance ten 24 hour cycles (3% ? rt) shock, 6ms sawtooth 100g? (1% ? rt, 1% ? vr) vibration 20g?, 10 to 2,000 hz (1% ? rt, 1% ? vr) high temperature exposure 250 hours at 125? (2% ? rt, 2% ? vr) rotational life 100 cycles (5% ? rt) load life at 0.25 watts 1,000 hours at 70? (3% ? rt, 1% ? vr) resistance to solder heat 260? for 10 sec. (1% ? rt) mechanical mechanical stops solid stop strength, minimum 4 oz.-in. (300 gr-cm) torque, maximum 2 oz.-in. (150 gr-cm) weight, nominal .005 oz. (0.14 grams) model 23a, b, s 4mm square sealed single turn surface mount cermet trimming potentiometer fluorinert?is a registered trademark of 3m company. specifications subject to change without notice.
1-10 model 23a, b, s top adjustment (inch/mm)
1 1-11 model 23a, b, s model 23s (cross slot) & 23z (straight slot) 23z 23s side adjustment (inch/mm) recommended pcb layout (inch/mm)
1-12 model 23a, b, s 23 a r 10k lf tr model series pin style resistance prefix resistance value packaging: tr = tape & reel rohs compliant product code - optional ordering information packaging standard: embossed tape all units oriented with #2 (slider) terminal adjacent to sprocket holes. pin style a,b s tape width = 12 mm 12 mm sprocket = 4 mm pitch 4 mm pitch capacity = 500 units 200 units reel diameter = 7?(178 mm) 7?(178 mm) circuit diagram (1) (2) (3) cw notes mm inch english equivalents are based on 1 inch = 25.4mm and are provided for general information only. tolerances unless otherwise specified: linear = 0.3 mm (.01 inches) 10 100 1k 10k 100k 1meg 20 200 2k 20k 200k 2meg 50 500 5k 50k 500k standard resistance values, ohms
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