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MODEL 72
3/8” Square
Single Turn
Cermet Trimming
Potentiometer
ELECTRICAL
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Nominal
Dielectric Strength
Insulation Resistance, Minimum
Resolution
Contact Resistance Variation, Maximum
ENVIRONMENTAL
Seal
Temperature Coefficient, Maximum
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock, 6ms Sawtooth
Vibration
High Temperature Exposure
Rotational Life
Load Life at 0.5 Watts
Resistance to Solder Heat
MECHANICAL
Mechanical Stops
Torque, Starting Maximum
Weight, Nominal
Fluorinert? is a registered trademark of 3M Company.
Specifications subject to change without notice.
1-55
10 to 2Meg
±10% (<100 Ohms = ±20%)
200 Vdc or rms not to exceed power rating
100mA or within rated power, whichever is less
0.5 at 85°C derating to 0 at 125°C
2 Ohms
244°
900 Vrms
1,000 Megohms
Essentially infinite
1% or 1 Ohm, whichever is greater
85°C Fluorinert? (No Leaks)
±100ppm/°C
–55°C to +125°C
5 cycles, –55°C to +125°C (1% ? RT, 1% ? VR)
Ten 24 hour cycles (1% ? RT, IR 100 Megohms Min.)
100G’s (1% ? RT, 1% ? VR)
20G’s, 10 to 2,000 Hz (1% ? RT, 1% ? VR)
250 hours at 125°C (2% ? RT, 2% ? VR)
200 cycles (3% ? RT)
1,000 hours at 70°C (2% ? RT)
260°C for 10 sec. (1% ? RT)
Solid
3 oz.-in. (0.021 N-m)
.025 oz. (0.70 grams)
Model 72
1
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