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JBR-BA Wirewound Potentiometers
The JBR-BA Wirewound Trimming Potentiometer features a wide resistance range from 10Ω to 100KΩ, ±5% tolerance, and excellent ±0.25% independent linearity. With an extended 3600° mechanical travel, it delivers fine-tuned, reliable control for industrial systems.
Built for stability under extreme conditions, it performs between -55°C and +125°C, withstanding shock, vibration, and repetitive adjustments across 1000 mechanical cycles. Ideal for precision tuning in demanding environments.
Description
Specifications
Specifications
| Standard Resistance Range | 10Ω ~ 100KΩ |
|---|---|
| Resistance Tolerance | ±5% |
| Independent Linearity | ±0.25% |
| Terminal Resistance | ≤0.2% or 5Ω |
| Contact Resistance Variation (CRV) | ≤3%R or 3Ω |
| Insulation Resistance | R12 ≥ 1GΩ |
| Withstand Voltage | 101.3kPa 500V, 8.5kPa 470V |
| Rated Power | 2W (315V max) |
| Effective Electrical Travel | ≥3600° -10° |
| Temperature Range | -55°C ~ +125°C |
| Temperature Coefficient | ±250, ±100ppm/°C |
| Temperature Variation | ΔR ≤ ±2%R, ΔUab/Uac ≤ ±1%R |
| Collision | 390m/s², 4000 times: ΔR ≤ ±1%R |
| Vibration | 10-500Hz, 0.75mm or 98m/s²/6h: ΔUab/Uac ≤ ±2%R |
| Climate Category | ARS+ 39R, R12 ≥ 100MΩ |
| Electrical Endurance | 70°C, 2W, 1000h: ΔR ≤ ±3%R |
| Mechanical Endurance | 1000 cycles: ΔR ≤ ±3%R |
| Steady Damp-Heat | ΔR ≤ 3%R, R12 ≥ 100MΩ |
| Total Mechanical Travel | 3600° ± 10° |
| Starting Torque | ≤ 36N·m |
| Clutch Torque | ≤ 300N·m |
| Diameter | Φ 22.20 mm |
| Height | 18.2 mm (excluding shaft) |
| Shaft Length | 20.8 mm |
| Shaft Diameter | 6.35 mm |
| Mounting Thread | M9X0.75 |
| Shaft Travel | 0.5 x 45° (angle) |
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