1 1-83 model 91 model 91 3/8?diameter single turn cermet trimming potentiometer electrical standard resistance range, ohms 10 to 2meg standard resistance tolerance ?0% input voltage, maximum 250 vdc or rms not to exceed power rating slider current, maximum 100ma or within rated power, whichever is less power rating, watts 0.5 at 70? derating to 0 at 125? end resistance, maximum 2 ohms actual electrical travel, nominal 174 dielectric strength 500 vrms insulation resistance, minimum 1,000 megohms resolution essentially infinite contact resistance variation, maximum 1% or 1 ohm, whichever is greater environmental temperature coefficient, maximum ?00ppm/? operating temperature range ?5? to +125? thermal shock 5 cycles, ?5? to +125? (1% ? rt, 1% ? vr) moisture resistance ten 24 hour cycles (1% ? rt, ir 100 megohms min.) 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 200 cycles (3% ? rt) load life at 0.5 watts 1,000 hours at 70? (2% ? rt) resistance to solder heat 260? for 10 sec. (1% ? rt) mechanical mechanical stops solid stop strength 12 oz.-in. (0.085 n-m) torque, starting maximum 5oz.-in. (0.042 n-m) weight, nominal .03 oz. (0.85 grams) specifications subject to change without notice.
.10 2.54 .20 5.08 .25 6.35 max. .18 4.57 .20 5.08 .40 10.2 .015 .005 0.381 0.127 true radius (typ.) (2) (3) (1) min. model 91e model 91 1-84 .375 9.525 max. dia. arrow indicates slider position. electrical adjustments may be made with a phillips or blade screwdriver and is fingertip adjustable. for phillips screwdriver dia. resistance value marked on this surface model number marked on this surface for blade screwdriver slot: .034 0.864 .15 3.81 .20 5.08 .20 5.08 .18 4.57 .20 5.08 wide x min. deep .050 1.270 .10 2.54 (1) (3) (2) .10 2.54 .20 5.08 .385 9.779 max. .020 .005 0.508 0.127 solderable terminals standoffs (2) model 91a top adjustment (inch/mm) (3) (2) (1) .10 2.54 .20 5.08 .25 6.35 max. .18 4.57 min. .10 2.54 model 91b (3) (2) (1) .172 4.369 .25 6.35 max. .18 4.57 min. .10 2.54 .156 3.962 .344 8.738 model 91c
1 1-85 model 91 .10 2.54 (3) (2) (1) .20 5.08 .18 4.57 .345 8.763 max. .10 2.54 min. model 91x .10 2.54 (3) (2) (1) .20 5.08 .18 4.57 .345 8.763 max. .10 2.54 min. model 91t side adjustment (inch/mm) .172 4.369 (3) (2) (1) .344 8.738 .18 4.57 .40 10.2 max. .156 3.962 min. model 91v .10 2.54 (3) (2) (1) .20 5.08 .18 4.57 .25 6.35 max. min. model 91w
91 a r 10k lf model series pin style rohs compliant product code - optional resistance value resistance prefix 1-86 model 91 circuit diagram (1) (2) (3) cw notes mm inch metric equivalents, based on 1 inch = 25.4mm are rounded to the same number of significant figures as in the original english units and are provided for general information only. tolerances unless otherwise specified: linear = .01 inches (.25mm) angular = 2 degrees standard: packaging ordering information standard : boxes capacity = 100 units standard resistance values, ohms 10 200 5k 50k 500k 20 500 10k 100k 1meg 50 1k 20k 200k 2meg 100 2k 25k 250k
|
