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JBR-BD Wirewound Potentiometers
The JBR-BD Wirewound Trimming Potentiometer delivers precise resistance adjustments ranging from 5Ω to 22KΩ, with a ±5% tolerance and high insulation resistance of 200MΩ. Designed for industrial-grade use, it operates reliably in temperatures from -55°C to +125°C.
With a mechanical travel of 300°, up to 1000 operation cycles, and an IP65 waterproof rating, the JBR-BD series is ideal for applications requiring durability, accuracy, and resistance to harsh environments.
Description
Features
- Nominal resistance range: 5Ω to 22KΩ.
- Tight resistance tolerance of ±5%.
- High insulation resistance of 200MΩ.
- Operates in temperatures from -55°C to +125°C.
- Withstands up to 500V (DC or AC peak value).
- Strong mechanical endurance for 1000 cycles.
- IP65 waterproof rating ensures reliability in harsh conditions.
Specifications
Specifications
| Range of Nominal Resistance | 5Ω ~ 22KΩ |
|---|---|
| Resistance Tolerance | ±5% |
| Terminal Resistance | ±0.2%R or 5Ω |
| Peak Noise | ≤100Ω |
| Insulation Resistance | ≥ 200MΩ (100VAC) |
| Withstand Voltage | 500V (DC or AC peak value) |
| Electrical Angle | 258° ± 5° |
| Rated Power | 1W (300V 70°C) |
| Temperature Range (°C) | -55°C ~ +125°C |
| Temperature Coefficient of Resistance (TCR) | ±100×10⁻⁶/°C |
| Collision Resistance | 390m/s², 4000 times: ΔR ≤ ±1%R |
| Vibration Resistance | 10-500Hz, 0.75mm, 6h: ΔUab/Uac ≤ ±2%R, Electrical breaks ≤100μs |
| Temperature Variation | -55°C/30min, +125°C/30min, 5 cycles: ΔR ≤ ±2%R, ΔUab/Uac ≤ ±2%R |
| Climate Category | ARS ± (5%R+0.1Ω), Insulation Resistance ≥100MΩ |
| Electrical Endurance | 2W, 1000h: ΔR ≤ ±3%R |
| Mechanical Endurance | 1000 cycles: ΔR ≤ ±3%R, CRV ≤ ±3%R or 5Ω |
| Steady Damp Heat | IEC68-2-3, Ca, 96h: Insulation Resistance ≥100MΩ, starting torque ≤20N·m |
| Total Mechanical Travel | 300° ± 5° |
| Rotational Torque | 2~10N·m |
| Standard Package | 25 pcs / box |
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