Specifications of Model 23A, B, S 4mm Square Sealed Single Turn Surface Mount Cermet Trimming Potentiometer
The 23A/B/S series potentiometers are 4 mm square sealed single‑turn surface‑mount devices made from cermet material. They offer a wide resistance range from 10 Ω to 2 MΩ, a maximum input voltage of 200 Vdc (or rms) and a power rating of 0.25 W at 70 °C, derating to zero at 125 °C. Electrical travel is 210°, with essentially infinite resolution and a contact resistance variation of 1 % or 3 Ω, whichever is greater.
Environmental specifications include operation from –55 °C to +125 °C, 5 thermal‑shock cycles (55 °C to 125 °C), moisture resistance for ten 24‑hour cycles, shock resistance of 100 g, vibration up to 20 g, and a load life of 1 000 hours at 70 °C. The device is supplied in tape‑and‑reel packaging (12 mm tape width, 500 units per reel) with pin styles A and B.
| Resistance Range | 10 Ω to 2 MΩ |
|---|---|
| Resistance Tolerance | ±20 % |
| Maximum Input Voltage | 200 Vdc or rms |
| Power Rating | 0.25 W at 70 °C, derating to 0 W at 125 °C |
| End Resistance (max) | 1 % or 3 Ω, whichever is greater |
| Electrical Travel | 210° |
| Dielectric Strength | 500 Vrms |
| Insulation Resistance (min) | 100 MΩ |
| Operating Temperature Range | –55 °C to +125 °C |
| Weight (nominal) | 0.005 oz (0.14 g) |
| Stop Strength (min) | 40 oz‑in (300 gr‑cm) |
| Torque (max) | 20 oz‑in (150 gr‑cm) |
| Resistance to Solder Heat | 260 °C for 10 s |
The maximum input voltage is 200 Vdc or rms, not to exceed the power rating.
It can withstand 5 thermal‑shock cycles from 55 °C to 125 °C.
The nominal weight is 0.005 oz (0.14 grams).