MODEL 89 3/4 Rectangular Multi-Turn Cermet Trimming Potentiometer Standard Resistance Range, Ohms 10 to 2Meg Standard Resistance Tolerance +10% (<100 Ohms = +20%) Input Voltage, Maximum 200 Vdc or rms not to exceed power rating Slider Current, Maximum 100mA or within rated power, whichever is tess Power Rating, Watts 0.75 at 85C derating to 0 at 125C End Resistance, Maximum 2 Ohms Actual Electrical Travel, Turns, Nominal 20 Dielectric Strength 1,000 Vrms Insulation Resistance, Minimum 1,000 Megohms Resolution Essentially infinite Contact Resistance Variation, Maximum 1% or 1 Ohm, whichever is greater Seal 85C Fluorinert (No Leaks) Temperature Coefficient, Maximum 100ppm/C Operating Temperature Range 55C to +125C Thermal Shack 9 cycles, -55C to +125C (1% ART, 1% AVR) Moisture Resistance Ten 24 hour cycles (1% ART, IR 100 Megohms Min.) Shock, 6ms Sawtooth 100Gs (1% ART, 1% AVR) Vibration 20Gs, 10 to 2,000 Hz (1% ART, 1% AVR) High Temperature Exposure 250 hours at 125C (2% ART, 2% AVR) Rotational Life 200 cycles (3% ART) Load Life at 0.5 Watts 1,000 hours at 70C (2% ART) Resistance to Solder Heat 260C for 10 sec. (1% ART) Pmecnamteat Mechanical Stops Clutch Action, both ends 10 200 5K 50K 500K Torque, Starting Maximum 5 0z.-in. (0.035 N-m) 20 500 10K 100K 1Meg Weight, Nominal .05 02. (1.4 grams) 50 1K 20K 200K 2Meg Fluorinert@ is a registered trademark of 3M Company. 100 2K 25K 250K Specifications subject to change without notice. Db O&F MM 1336610 0003285 27] me 51 technologies 1-79 Model 89 CORPORATION A aaa ammaLOW PROFILE Model 89P and 90P 083 + 01 METAL ADJUSTMENT SCREW: 2.36 + 0.25 DIA. WITH 025 + .005 031 + 005 2025 + 005 wing 031 = 005 peep siot MODEL NO. AND 0.635 + 0.127 0.787 + 0.127 RESISTANCE VALVE MARKED ON THIS 9 OR OPPOSITE ; 5 060 = 015 SURFACE, 78.05 | 7 versa | 4.883 y 1 | TERMINAL PINS (3) a t J ty | ee ee SOLDERABLE == 185 + 015 475 O15 + 005 185 = O15 175 ay [~ tafe pdt 009, ia 75 fo [425 + 015 bf OSS = Oore Tee 0381 12.70 3175 = 0.381 ie STANDOFF . 2 PLACES 050 + 015 1270 = 0.381 Note: Model 89P dimensions applicable to all other models except as noted Model a9 j f | wo 100 + 015 _| a 2.540 = 0.387 5D L125 s+ 015 sit 1270 3475 + 0.381 ; Model B9X 050 + 015 1.270 + 0.381 ar iy n g D OF MM 1336610 0003290 193 31 technologies 1-80 Model 89Model 89PH = a2 0.51 STANDOFF 2 PLACES CIRCUIT DIAGRAM MARKED ON THIS SURFACE 4 as (0 HOUSING: MOLDED PLASTIC (ALL MODELS) Pin dimensions same for 89P and 89PH Model 89WH + ad rt 8.64 ets 03, 6.985 076 4 qt | (1) (2) HQ) STANDOFF 02 __| 2 PLACES 0.51 ' i I : Pin dimensions same for 89W and 89WH Model 89XH _tA 6 275 ia _03 6.985 , 0-76 | (1) @ {L__@) STANDOFF _.02 _ 2 PLACES 0.51 O- ' 1 uly! Pin dimensions same for 89X and 89XH Pp D OCF MM 1336610 0003291 %2cT 551 technologies 1-81 Model 89ee a ee eg Model 89B __f 375 + 010 G1 + 0 B25 + 0.254 Bal 05 we 187 + 010 CIRCUIT DIAGRAM | me! a= 328 | MARKED ON THIS P. 72 = 0: 4760 = 0.254 SURFACE F 7 SCREW DRIVER HOLE ee . 275 = 010 Gy r te a ieci | ts DIA. MIN ' ot Baa " MATERIAL: I H 187 + 010 MOLDED in 3 p32! E60 = 0.254 A PLASTIC : mt NO 1 tT ! ron 5/16~32 UNEF THREAD Wa u 1 | ' wou Loo gu Metric equivalents, based on 1 inch = 25.4mm are 2 | rounded to the same number of significant figures DIMENSIONS as in the original English units and are provided for +m (1) MAM ADDNhAhAANMWWINM*0 QB) general information only. O- 4 Tolerances uniess otherwise specified: THIRD ANGLE > CW Linear = + .01 inches (.25mm) PROJECTION Angular = + 2 degrees Pp D OF MM 1336610 OO032e%e Sbb 5 technologies 1-82 Model 89 CORPORATION:Standard: Plastic Bags Capacity, Units = 100 (89P) 50 (All other styles) Option: Tubes All Units oriented with #1 pin to same side Magazine Width = 0.28 Height = 0.65 Length = 21.6 Capacity, Units = 25 ORDERING INFORMATION Standard: 89 P R 10K Model Series Resistance Value (Use Model 90 to order with transparent housing) Pin Style Resistance Prefix Option: 89 PR 10K TB Pin Style Le Packaging Option TB = Tubes Option: 88 P BR 10K Model Series Panel Mount Adapter (Use 89B to order Adapter without Trimmer) D OecF MM 1336610 00032593 7T2 5351 technologies 1-83 Model 89 CORPORATION