JBR-3214 5 Turn SMD Trimming-Potentiometers

jb capacitors company offers trimming potentiometers in various sizes and precision levels. For instance, the JBR-3266 trimming potentiometers feature multi-turn options, requiring several turns of the adjustment screw to achieve the desired value. This design ensures extremely high accuracy. Please refer to the specifications below for more details.

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