JBR-BA ~ JBR-BG Wirewound Potentiometers – Precision Across All Series
Wirewound potentiometers remain one of the most reliable components for precise resistance adjustment in measurement and control systems.
The jb® JBR-BA ~ JBR-BG family covers a wide performance range, from compact single-turn models to multi-turn lock-type units used in calibration and automation equipment.
1. Overview
Each JBR model is based on a precision wire-winding element that ensures consistent linearity and minimal drift over time. The series offers several mechanical formats — single, five, or ten turns — with optional shaft types and mounting styles to match instrument or panel requirements.
| Series | Power Rating | Turns | Resistance Range | Typical Application |
|---|---|---|---|---|
| JBR-BA / BB / BF / BG | 2 W | 10 turn | 100 Ω – 100 kΩ | Laboratory & industrial calibration |
| JBR-BE | 1 W | 5 turn | 100 Ω – 47 kΩ | Compact control modules |
| JBR-BD | 1 W | Single | 50 Ω – 10 kΩ | Fast manual adjustment |
| JBR-BC | 1 W | Single (Trimming) | 50 Ω – 2 MΩ | PCB trimming & fine tuning |
2. Key Technical Characteristics
- Linearity tolerance ±0.5%
- Temperature coefficient ±100 ppm/°C
- Operational temperature −55°C to +125°C
- Rotational life 10,000 cycles (typ.)
- Insulation resistance ≥ 1 GΩ
These parameters make the series suitable for long-term stable adjustment in control loops, test instruments, and precision power supplies.
3. Design Flexibility
All JBR models can be customized — different shaft shapes or lengths, lock mechanisms, and alternative turn counts (3 / 5 / 10 turn). This flexibility allows engineers to standardize on a single platform while covering multiple mechanical interfaces.
4. Typical Applications
- Voltage or current calibration in measurement systems
- Gain or offset adjustment in audio and amplifier designs
- Set-point control in industrial automation
- Feedback trimming in power electronics
Video Demonstration
