jb capacitors company offers trimming potentiometers in various sizes and precision levels. For instance, the JBR-3266 trimming potentiometers feature a multi-turn design, requiring several turns of the adjustment screw to achieve the desired value. This design ensures extremely high accuracy. Please refer to the specifications below for more details.
| Standard Resistance Range | 10Ω - 5MΩ |
|---|---|
| Resistance Tolerance | ±10%; ±20% |
| End Resistance | ≤±1%R or 3Ω |
| Contact Resistance Variation (CRV) | ≤3%R or 3Ω |
| Insulation Resistance | 500Vdc, 100 megohms min. |
| Withstanding Voltage | 101.3KPa: 500Vac; 8.5KPa: 250Vac |
| Dielectric Strength | Sea Level: 500Vac (1 minute) |
| Adjustment Angle | 220° |
| Power Rating | 0.25W @ 70°C; 0W @ 125°C (300V max) |
| Operating Temperature Range | -55°C ~ +125°C |
| Temperature Coefficient | ±250ppm/°C, ±100ppm/°C |
| Temperature Variation | ΔR ≤ ±3%R, Δ(Uab/Uac) ≤ ±1% |
| Vibration | 20G, ΔR ≤ ±1%R, Δ(Uab/Uac) ≤ ±1% |
| Shock | 100G, ΔR ≤ ±1%R, Δ(Uab/Uac) ≤ ±2% |
| Electrical Endurance | 1000h @ 70°C Rated Power; ΔR ≤ ±3%R |
| Rotational Life | 200 cycles; ΔR ≤ ±3%R |
| Mechanical Angle | 250° |
| Starting Torque | ≤25mN∙m |
| Stop Strength | ≤35mN∙m |
| Standard Packaging | 750pcs/reel |
