MODEL 7480 SERIES
7/8” Diameter
5–Turn
Wirewound
Precision Potentiometer
MODEL STYLES
2
7481
7483
7486
7488 (for heavy side load applications)
NEW PRODUCT
ELECTRICAL
1/8” Shaft, 1/4” Bushing
1/8” Shaft, Servo
1/4” Shaft, 3/8” Bushing
1/4” Shaft, 3/8” Bushing
Resistance Range, Ohms
Standard Resistance Tolerance
Minimum Practical Resistance Tolerance
Independent Linearity
Minimum Practical Independent Linearity
Power Rating, Watts
Dielectric Strength
Insulation Resistance, Minimum
Noise, Maximum
Actual Electrical Travel
Tap Tolerance
End Voltage, Maximum
ENVIRONMENTAL (MIL-R-12934)
100 to 50K
±5%
±1%
±0.25%
±0.25%, < 500 Ohms
±0.20%,
≥
500 Ohms
1.5 at 70°C derating to 0 at 125°C
1,000V rms
1,000 Megohms
100 Ohms
1080° + 10° – 0°, > 100 Ohms
1080° + 10° – 5°,
≤
100 Ohms
±3°
0.25% of input voltage
Operating Temperature Range
Thermal Shock
Shock, 6ms Sawtooth
Vibration
Moisture Resistance
High Temperature Exposure
Rotational Load Life
Rotational Life Model 7488 (1 pound Side Load)
Specifications subject to change without notice.
Static: –55°C to +125°C
Dynamic: –40°C to +125°C
5 cycles, –55°C to +125°C (5%
∆R)
100G’s (0.1ms discontinuity max.)
15G’s, 10 to 2,000 Hz (5%
∆R,
0.1ms discontinuity max.)
Five 24 hour cycles (3%
∆R)
1,000 hours at 125°C (5%
∆R)
500K shaft rev. + 900 hrs. at rated wattage at 70°C (5%
∆R)
500K shaft rev. + 900 hrs. at rated wattage at 70°C (5%
∆R)
2-109
Model 7480 Series
BITECH [ BI TECHNOLOGIES ]
