Square SMD Trimming Potentiometer
1/4 Square SMD Trimming Potentiometer - TSR-3361
SINGLE-TURN CERMET INDUSTRIAL SMT TRIMMING POTENTIOMETER
Overview
- Single-Turn cermet, industrial sealed potentiometer
- Compatible with surface mount processes
- Standard resistance range 10Ω to 5MΩ
- Resistance tolerance ±10% (100Ω~1M), ±20% otherwise
- Insulation resistance ≥1GΩ (100Vac)
- Adjustment angle 240° nominal
Description
01 — TECHNICAL DATA
Specifications
| Electrical & Environmental Characteristics | |
|---|---|
| Standard Resistance Range | 10Ω – 5MΩ |
| Resistance Tolerance | ±10% (100Ω~1M); ±20% (others) |
| End Resistance | ≤ ±1%R or 2Ω (whichever greater) |
| Contact Resistance Variation (CRV) | ≤ ±1%R or 3Ω (whichever greater) |
| Insulation Resistance | ≥ 1GΩ (100Vac) |
| Withstand Voltage | 640Vac |
| Adjustment Angle | 240° nominal |
| Power Rating | 0.25W @70℃; 0W @125℃ |
| Operating Temperature Range | -55℃ ~ +125℃ |
| Temperature Coefficient | ±100–±250 ppm/℃ |
| Vibration | 20G: ±1%R & ±1% VR |
| Shock | 100G: ±1–±2%R |
| Electrical Endurance | 1000h @70℃: ±3%R |
| Rotational Life | 200 cycles: ±3%R |
02 — INTRODUCTION
Features
Features
Single-Turn cermet industrial sealed potentiometer
Rotor designed for automatic machine adjust interface
Compatible with surface mount manufacturing processes
Standard resistance range 10Ω to 5MΩ
Insulation resistance ≥1GΩ (100Vac)
Adjustment angle 240° nominal
03 — SOLUTIONS
Applications
Designed for SMT PCB calibration and tuning where stable single-turn resistance adjustment is required, featuring sealed cermet construction, wide resistance range, and high insulation resistance for industrial and general electronics.