| Spectrol No. | NTE Part No. | Value Ohms |
Shaft Length |
Diag. No. |
| 535-1-1-101 | 502-0145 | 100 | 7/8" | P12 |
| 535-1-1-201 | 502-0146 | 200 | 7/8" | P12 |
| 535-1-1-501 | 502-0147 | 500 | 7/8" | P12 |
| 535-1-1-102 | 502-0148 | 1K | 7/8" | P12 |
| 535-1-1-202 | 502-0149 | 2K | 7/8" | P12 |
| 535-1-1-502 | 502-0150 | 5K | 7/8" | P12 |
| 535-1-1-103 | 502-0151 | 10K | 7/8" | P12 |
| 535-1-1-203 | 502-0152 | 20K | 7/8" | P12 |
| 535-1-1-503 | 502-0153 | 50K | 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 | .075 | .0746 | 122.00 | 12.2 |
| 200 | .061 | .1220 | 86.60 | 17.3 |
| 500 | .049 | .2549 | 54.70 | 27.4 |
| 1K | .041 | .4113 | 38.70 | 38.7 |
| 2K | .031 | .6331 | 27.40 | 54.8 |
| 5K | .034 | 1.7230 | 17.30 | 86.6 |
| 10K | .030 | 3.0160 | 12.20 | 122.0 |
| 20K | .020 | 3.9910 | 8.66 | 173.0 |
| 50K | .015 | 7.4560 | 5.47 | 274.0 |
Dimensional Drawing
Specifications
P12
Electrical
Resistance Range: 50 Ohms to 50K Ohms
Resistance Tolerance: ±5%
Linearity Tolerance: ±0.25% independent
Noise: 100 Ohms ENR
Rotation: 1800°, +10°, -0°
Power Rating: 1.5W @ +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: 1800°, +10°, -0°
Starting Torque (maximum): 50 gm-cms (0.7 oz in)
Stop Strength (static): 5.4 Kgm-cm (75 oz in)
Rotation Life: 500,000 shaft revolutions
Environmental
Operating Temperature: -55° to +125°C
Load Life: 900 hr.
