1

1-73

Model 84

ELECTRICAL

Standard Resistance Range, Ohms

10 to 1Meg

Standard Resistance Tolerance

±10%

Input Voltage, Maximum

200 Vdc or rms not to exceed power rating

Slider Current, Maximum

100mA or within rated power, whichever is less

Power Rating, Watts

0.25 at 85°C derating to 0 at 150°C

End Resistance, Maximum

2 Ohms

Actual Electrical Travel, Turns, Nominal

12

Dielectric Strength

900 Vrms

Insulation Resistance, Minimum

1,000 Megohms

Resolution

Essentially infinite

Contact Resistance Variation, Maximum

1% or 1 Ohms, whichever is greater

ENVIRONMENTAL

Seal

85°C Fluorinert® (No Leaks)

Temperature Coefficient, Maximum

±100ppm/°C (<100 Ohms = ±250ppm/°C)

Operating Temperature Range

–65°C to +150°C

Thermal Shock

5 cycles, –65°C to +150°C (1%

∆RT, 1% ∆VR)

Moisture Resistance

Ten 24 hour cycles (1%

∆RT, IR 100 Megohms Min.)

Shock, 6ms Sawtooth

100G’s (1%

∆RT, 1% ∆VR)

Vibration

20G’s, 10 to 2,000 Hz (1%

∆RT, 1% ∆VR)

High Temperature Exposure

250 hours at 150°C (2%

∆RT, 2% ∆VR)

Rotational Life

200 cycles (3%

∆RT)

Load Life at 0.5 Watts

1,000 hours at 85°C (2%

∆RT)

Resistance to Solder Heat

260°C for 10 sec. (1%

∆RT)

Temperature Exposure, Maximum

215°C for 3 min. (1%

∆RT)

MECHANICAL

Mechanical Stops

Clutch action, both ends

Torque, Starting Maximum

3 oz.-in. (0.021 N-m)

Weight, Nominal

.014 oz. (.40 grams)

MODEL 84

1/4” Square

Multiturn

Surface Mount

Cermet Trimming

Potentiometer

Fluorinert® is a registered trademark of 3M Company.

Specifications subject to change without notice.