MODEL 89
3/4鈥?Rectangular
Multiturn
Cermet Trimming
Potentiometer
ELECTRICAL
1
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Turns, Nominal
Dielectric Strength
Insulation Resistance, Minimum
Resolution
Contact Resistance Variation, Maximum
ENVIRONMENTAL
10 to 2Meg
鹵10% (<100 Ohms = 鹵20%)
200 Vdc or rms not to exceed power rating
100mA or within rated power, whichever is less
0.75 at 85擄C derating to 0 at 125擄C
2 Ohms
20
1,000 Vrms
1,000 Megohms
Essentially infinite
1% or 1 Ohm, whichever is greater
Seal
Temperature Coefficient, Maximum
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock, 6ms Sawtooth
Vibration
High Temperature Exposure
Rotational Life
Load Life at 0.5 Watts
Resistance to Solder Heat
MECHANICAL
85擄C Fluorinert廬 (No Leaks)
鹵100ppm/擄C
鈥?5擄C to +125擄C
5 cycles, 鈥?5擄C to +125擄C (1%
鈭哛T,
1%
鈭哣R)
Ten 24 hour cycles (1%
鈭哛T,
IR 100 Megohms Min.)
100G鈥檚 (1%
鈭哛T,
1%
鈭哣R)
20G鈥檚, 10 to 2,000 Hz (1%
鈭哛T,
1%
鈭哣R)
250 hours at 125擄C (2%
鈭哛T,
2%
鈭哣R)
200 cycles (3%
鈭哛T)
1,000 hours at 70擄C (2%
鈭哛T)
260擄C for 10 sec. (1%
鈭哛T)
Mechanical Stops
Torque, Starting Maximum
Weight, Nominal
Fluorinert廬 is a registered trademark of 3M Company.
Specifications subject to change without notice.
Clutch Action, both ends
5 oz.-in. (0.035 N-m)
.05 oz. (1.4 grams)
1-77
Model 89