Datasheet

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)