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.

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