2

2-93

Model 7274, 7276

MODEL STYLES

7274

6mm Shaft, 3/8” Bushing

7276

1/4” Shaft, 3/8” Bushing

MODELS 7274, 7276

7/8” Diameter

Plastic 10–Turn

Wirewound

Precision Potentiometer

ELECTRICAL

Resistance Range, Ohms

100 to 100K

Standard Resistance Tolerance

±5%

Independent Linearity

±0.25%

Power Rating, Watts

2.0 at 25°C derating to 0 at 105°C

Dielectric Strength

1,000V rms

Insulation Resistance, Minimum

1,000 Megohms

Noise, Maximum

100 Ohms

Actual Electrical Travel

3600° + 10° – 0°

Tap Tolerance

±3°

End Voltage, Maximum (% of input voltage)

0.25%

Specifications subject to change without notice.

ENVIRONMENTAL (MIL-R-12934)

Operating Temperature Range

–25°C to +105°C

Temperature Cycling

5 cycles, –25°C to +105°C (5% ∆R)

Shock, 6ms Sawtooth

100G’s (0.1ms discontinuity max.)

Vibration

10G’s, 10 to 500 Hz (5% ∆R, 0.1ms discontinuity max.)

Moisture Resistance

Five 24 hour cycles (3% ∆R)

High Temperature Exposure

1,000 hours at 105°C (5% ∆R)

Rotational Load Life

500K shaft rev. + 900 hrs. at rated wattage at 25°C (5%∆R)