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JBR-3214 5 Turn SMD Trimming-Potentiometers
The JBR-3214 SMD trimming potentiometer is designed with a 5-turn cermet element to deliver high-resolution adjustment and exceptional precision. Engineered for surface-mount assembly, this model is ideal for compact layouts in industrial electronics.
Its rotor is tailored for compatibility with automatic adjustment equipment, making it suitable for high-volume production lines. The device is RoHS compliant, offering both performance and environmental reliability.
Description
Specifications
Specifications
| Standard Resistance Range | 50Ω - 2MΩ |
|---|---|
| Resistance Tolerance | ±10% |
| End Resistance | ≤±1%R or 3Ω |
| Contact Resistance Variation | ≤3%R or 3Ω |
| Insulation Resistance | R1 ≥ 1GΩ (500Vdc) |
| Withstanding Voltage | 500Vac @ 101.3KPa, 250Vac @ 8.5KPa |
| Dielectric Strength | 500Vac (1 minute at sea level) |
| Adjustment Angle | 4 ± 2 turns |
| Power Rating | 0.25W @ 70°C; 0W @ 125°C |
| Operating Temperature Range | -55°C ~ +125°C |
| Temperature Coefficient | ±250ppm/°C, ±100ppm/°C on request |
| Temperature Variation | ΔR≤±2%R, Δ(Uab/Uac)≤±1% |
| Vibration | 10-500Hz, 0.75mm, 6h, ΔR≤±1%R, Δ(Uab/Uac)≤±2% |
| 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 | 5 ± 2 turns |
| Starting Torque | ≤25 mN∙m |
| Stop Strength | ≤35 mN∙m |
| Max Soldering Exposure | 250°C, 10 seconds |
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