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 (2%

∆RT, 1% ∆VR)

Moisture Resistance

Ten 24 hour cycles (2%

∆RT, IR 10 Megohms Min.)

Shock, 6ms Sawtooth

100G’s (1%

∆RT, 1% ∆VR)

Vibration

20G’s, 10 to 2,000 Hz (1%

∆RT, 1% ∆VR)

Rotational Life

200 cycles (3%

∆RT, 1% CRV)

Load Life at 0.25 Watts

1,000 hours at 85°C (2%

∆RT, 1% CRV)

Resistance to Solder Heat

260°C for 10 sec. (1%

∆RT)

Temperature Exposure, Maximum

215°C for 3 min. (1%

∆RT)

Solderability

Per MIL-STD-202, Method 208

MECHANICAL

Mechanical Stops

Clutch action, both ends

Torque, Starting Maximum

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

Weight, Nominal

.01 oz. (0.3 grams)

1

1-21

Standard Resistance Range, Ohms

10 to 2Meg

Standard Resistance Tolerance

±10% (<100 Ohms = ±20%)

Input Voltage, Maximum

300 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

1% or 2 Ohms, whichever is greater

Actual Electrical Travel, Turns, Nominal

9

Dielectric Strength

600Vrms

Insulation Resistance, Minimum

1,000 Megohms

Resolution

Essentially infinite

Contact Resistance Variation, Maximum

1% or 3 Ohms, whichever is greater

ENVIRONMENTAL

MODEL 44

4mm Square Multiturn

Surface Mount

Cermet Trimming

Potentiometer

Fluorinert® is a registered trademark of 3M Company.

Specifications subject to change without notice.

Model 44

ELECTRICAL