High Reliability Trimming Potentiometers – JBR-BH to BT Series
Engineers searching for a trimming potentiometer, adjustable resistor, or SMD trimming potentiometer datasheet often face challenges with unclear specifications and high costs from major brands such as PIHER, VISHAY, and BOURNS.
The jb JBR-BH to BT trimming potentiometer series provides a cost-effective alternative with full datasheet support, ensuring stable performance for industrial control, instrumentation, medical devices, and consumer electronics.
Why Upgrade to jb Trimming Potentiometers?
Traditional trimpots often bring issues such as:
- Short lifespan
- Unstable delivery times
- Higher prices
jb capacitors solves these with:
- Faster, more reliable supply compared to international brands
- Long mechanical life (up to 15,000 cycles)
- SMD & Through-Hole coverage
- Stable performance across −55 °C to +125 °C
👉 Explore jb Trimming Potentiometer Series
Spec Comparison — jb vs Leading Brands
| Model | Category / Technology | Electrical | Power / Voltage | Mechanical | Environmental | Insulation / Dielectric | Dimensions / Notes |
|---|---|---|---|---|---|---|---|
| JBR-BH | Carbon Film Potentiometer | 470Ω – 2MΩ; ±10%; B (linear). θ: 300° ±5° Rotation noise ≤47 mV |
2 W Max AC 315 V Withstand AC 1000 V (1 min) |
Life 15,000 cycles Torque 51–306 gf·cm |
— | Insulation ≥100 MΩ @ DC 1000 V | General carbon-film panel pot |
| JBR-BJ | Conductive Plastic Potentiometer | 1 kΩ – 10 kΩ; ±1% / ±15% 360° continuous Electrical travel 345° ±2% Linearity ±0.1% / ±1% |
2 W @70°C Tempco ±400 ppm/°C |
Life 50M cycles Start torque ≤10⁻³ N·m |
−55°C ~ +125°C Vibration 15 G Shock 50 G |
Insulation ≥1000 MΩ @500 VDC Dielectric 1000 VAC, 1 min |
Precision servo / position feedback |
| JBR-BM | Digital Knob (Mechanical Display) | — | — | — | — | — | Ø22 × H24 mm 0–9 turns, 3-digit window |
| JBR-BN | Digital Knob (Mechanical Display) | — | — | — | — | — | Ø23.3 × H22.6 mm 0–14 turns, 1-digit window |
| JBR-BP | Digital Knob (Mechanical Display) | — | — | — | — | — | Ø46 × H25 mm 0–14 turns, 3-digit window |
| JBR-BQ | Wirewound Resistor | 0.01Ω ~ 33kΩ ±1% / ±5% T.C.R. ±50~100×10⁻⁶/°C |
5 W ~ 50 W Max voltage up to 1000 V |
— | — | — | Heatsink surface area by rating |
| JBR-BS | Aluminum-housed Wirewound Resistor | — | 50 W ~ 5000 W | — | — | — | Size matrix (W×H×L) |
| JBR-BT | High-power Chassis Wirewound | — | 50 W → 2000 W+ (up to 3 kW class) |
— | — | — | Detailed dimension table for heatsink design |
Factory Demonstration & Reliability
This video highlights jb’s trimming potentiometer manufacturing process, strict quality control, and datasheet-backed reliability. Engineers can see real production and adjustment steps, proving jb is not only a supplier but also a manufacturer ensuring consistent standards.
Take Action
Ready to evaluate jb trimpots? Access the complete trimming potentiometer series page, download datasheets, or request samples and price quotes directly.
Explore Complete Trimming Potentiometer Series