Potentiometer‐3Watt,7/8"roundcase,1/4"dia.shaft,10turn,precisionwirewound
Features
• Permanickel contact
• Stainless steel 1/4" diameter shaft
• Gold plated terminals
• Internal tracking surfaces gold plated
• Precision winding with excellent linearity
Specifications
Electrical
Resistance Range: 100 Ohms to 100K Ohms
Resistance Tolerance: ±5%
Linearity Tolerance: ±0.25% independent
Noise: 100 O hms ENR
Rotation: 3600°, +10°, -0°
Power Rating: 2W @ +70°C derated to 0W @ +125°C
Insulation Resistance: 1000 Meg Ohm min, 500VDC
Dielectric Strength: 1000V RMS min 50Hz
Absolute Minimum Resistance: Not to exceed linearity x total resistance or 1 Ohm, whichever is greater
Temperature Coefficient of Resistance: 20ppm / ° C (wire only)
End Voltage: 0.25% of total applied voltage, max
Mechanical
Bearing Type Bushing: Sleeve bearing
Resistance Element: See Table
Rotation: 3600°, +10°, -0°
Starting Torque (maximum): 36 gm-cms (0.5 oz in)
Stop Strength (static): 5.4 Kgm-cm (75 oz in)
Rotation Life: 1,000,000 shaft revolutions
Environmental
Operating Temperature: -55° to +125°C
Load Life: 900 hr.
NTE Part No.
Value
Ohms
Shaft
Length
Diag.
No.
502-0100
100
7/8"
P12
502-0101
200
7/8"
P12
502-0102
500
7/8"
P12
502-0103
1K
7/8"
P12
502-0104
2K
7/8"
P12
502-0105
5K
7/8"
P12
502-0106
10K
7/8"
P12
502-0107
20K
7/8"
P12
502-0108
50K
7/8"
P12
502-0109
100K
7/8"
P12
Resistance Element Data
Resistance
Value
(Ohms)
Resolution
(%)
Ohms
per
Turn
Max
Current
@ 70°C
Ambient
(mA)
Max
Voltage
Across
Coil
(Volts)
100
.060
.0603
141.00
14.1
200
.037
.0746
100.00
20.0
500
.031
.1520
63.20
31.6
1K
.025
.2459
44.70
44.7
2K
.021
.4113
31.60
63.2
5K
.016
.8206
20.00
100.0
10K
.017
1.7230
14.10
141.0
20K
.015
3.0160
10.00
200.0
50K
.009
4.6690
6.23
316.0
100K
.007
7.4560
4.47
447.0
