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JBR-BC Wirewound Potentiometers
The JBR-BC Wirewound Trimming Potentiometer delivers precision control with a wide resistance range of 50Ω to 2MΩ and selectable tolerances of ±10% or ±5%. Its high insulation resistance (≥1GΩ at 100VAC) ensures stable performance in sensitive circuits.
Engineered for harsh conditions, the JBR-BC series operates reliably from -55°C to +125°C, handles up to 500V, and offers IP65-rated waterproof protection—making it ideal for industrial-grade applications.
Description
Specifications
Specifications
| Range of Nominal Resistance | 50Ω ~ 2MΩ |
|---|---|
| Resistance Tolerance | ±10%, ±5% (customization) |
| Terminal Resistance | ≤±1%R or 2Ω |
| Contact Resistance Variation (CRV) | ≤±1%R or 3Ω |
| Insulation Resistance | ≥ 1GΩ (100VAC) |
| Withstand Voltage | 101.3 kPa 500V; 8.5 kPa 350V |
| Rated Power | 1W max (250V max) |
| Temperature Range (°C) | -55°C ~ +125°C |
| Temperature Coefficient | ±250, ±100ppm/°C |
| Collision | 390m/s², 4000 times: ΔR ≤ ±1%R |
| Vibration | 10-500Hz, 0.75mm, 6h: ΔUab/Uac ≤ ±2%R, Electrical breaks ≤100μs |
| Temperature Variation | -55°C/30min, +125°C/30min, 5 cycles: ΔUab/Uac ≤ ±2%R |
| Climate Category | IEC68-2-2: ARS± (5%R+0.1Ω), Insulation Resistance ≥100MΩ |
| Electrical Endurance | 0.5W, 1000h: ΔR ≤ ±3%R, CRV ≤ ±3%R or 5Ω |
| Mechanical Endurance | 200 cycles: ΔR ≤ ±3%R, Insulation Resistance ≥100MΩ |
| Steady Damp-Heat | IEC68-2-3, Ca, 96h: Insulation Resistance ≥100MΩ |
| Total Mechanical Travel | 260° ± 5° |
| Mounting Hole Diameter | 22mm |
| Waterproof | IP65 |
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