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
When engineers search for a trimming potentiometer guide or look for an adjustable resistor datasheet, they often struggle with one critical challenge: how to choose the right component for their design. With so many resistance ranges, power ratings, and package types, making the right decision can directly affect circuit stability and long-term reliability.
Why Engineers Find It Difficult to Select Trimming Potentiometers
Scattered specifications: Many suppliers do not provide a complete datasheet or clear packaging options.
Unclear product differences: SMD vs through-hole trimming potentiometers often cause confusion in the design stage.
Reliability concerns: Short lifespan or unstable resistance adjustment can lead to costly failures.
jb JBR-BH to BT Series – What Makes the Difference
As a precision trimpot supplier, jb provides the JBR-BH to BT trimming potentiometer series with:
Complete datasheets covering resistance range, tolerance, electrical travel, and mechanical life.
Various packaging types, including SMD and THT versions, for flexible PCB design.
Stable performance and long life, suitable for industrial and consumer electronics.
Cost-effective replacements for well-known brands like PIHER, VISHAY, and BOURNS, with shorter lead times.
Watch: Trimming Potentiometers in Action
To better understand the adjustment precision and mechanical stability of our trimming potentiometers, we invite you to watch this demonstration video:
The video shows real product handling and adjustment, giving engineers a closer look at how jb potentiometers perform in practice.
Practical Applications and Case Studies
jb trimming potentiometers are widely used in:
Instrumentation – precise calibration for measurement equipment.
Industrial control – ensuring reliable operation in automation systems.
Consumer electronics – from vending machines to medical devices.
Real-world case studies show that jb potentiometers can achieve stable performance over extended cycles, reducing maintenance costs and improving efficiency.
Download Datasheet & Selection PDF
Engineers who need more details can access:
Full datasheets for JBR-BH to BT series
Selection PDF comparing SMD vs through-hole options
Resistance ranges, tolerance levels, and life cycle data
Selecting the right trimming potentiometer is no longer a guessing game. With jb’s comprehensive datasheets, multiple packaging choices, and proven reliability, trimming potentiometer selection becomes straightforward and efficient.
Take the next step today – download the datasheet, explore the full series, or request samples directly from our official site.
When space is tight and tuning accuracy matters, finding the SMD ceramic trimmer capacitor with the right specs becomes critical—especially when most suppliers only offer legacy through-hole options or are out of stock.
The jb JKA Series provides RF designers and engineers with:
Ultra-compact 3mm size
Low capacitance drift
High Q value at 1MHz
Dust-proof, sealed construction
Available inventory ready to ship
Why SMD Trimmer Capacitors Are Rare
Most trimmer capacitors on the market are bulky through-hole types, making them unsuitable for today’s miniaturized designs. SMD versions with a 3mm footprint are hard to find—and in high-frequency applications, the need is critical.
That’s why we designed the JKA Series: an SMT-compatible, precision tuning solution with high mechanical reliability, low drift, and strong thermal performance.
Its compact design and reliability make it ideal for space-limited, performance-critical designs.
In Stock and Ready to Ship
Unlike many suppliers with limited or delayed stock, our JKA SMD Ceramic Trimmer Capacitors are available for immediate shipment—supporting your prototype or production needs without delay.
In precision electronics, even the smallest adjustment can make or break your design. That’s why engineers trust jb Capacitors® JBR series trimming potentiometers — a full lineup of wirewound solutions engineered for fine-tuning, stable resistance, and reliable calibration.
Built for Engineers Who Demand Accuracy
Whether you're adjusting voltage in analog circuits, calibrating sensors, or setting gain levels in amplifiers, the JBR series offers tailored solutions from single-turn to 10-turn designs, covering a wide resistance range of 50Ω to 2MΩ.
Each model is optimized for precise mechanical control, featuring:
Smooth adjustment torque (as low as 3.5 mN·m)
Independent linearity down to ±0.25%
Long rotational life (up to 10,000 cycles)
High voltage and insulation resistance (up to 1GΩ)
In the fast-paced world of electronics, keeping your production lines running smoothly is essential. Unexpected delays in component availability can disrupt schedules and even cost you valuable time and money. That's why jb JKA SMD Trimmer Capacitors are the perfect solution for your B2B procurement needs. With reliable stock availability and fast delivery, you can ensure your production continues seamlessly, without a hitch.
Why Choose jb JKA Trimmer Capacitors?
lImmediate Availability & Fast Shipping No more waiting around for stock replenishment. Our jb JKA Trimmer Capacitors are always in stock, ensuring that your production timeline stays on track without unnecessary delays.
lCompact 3mm Design Engineered for high-density circuit boards and precision applications, our capacitors boast a compact form factor that fits perfectly into tight spaces.
lExceptional Performance Featuring a high Q value and low capacitance drift, these capacitors enhance RF and IoT signal stability, ensuring top-notch performance even in demanding environments.
lSealed Construction Designed with dust and moisture resistance, the sealed construction of our trimmer capacitors guarantees long-lasting reliability in various electronic applications.
Applications Across Multiple Industries
Our jb JKA Trimmer Capacitors are engineered to support the most demanding applications, including:
RF Communication Devices – Ensure reliable signal transmission in wireless systems and RF modules.
IoT Smart Devices – Provide precision tuning for smart sensors and wireless devices.
Industrial Electronics – Keep automation control and embedded systems running smoothly with high-performance capacitors.
Testing & Measurement Instruments – Perfect for signal testing and frequency calibration in measurement equipment.
Stay Ahead of the Game with Reliable Components
In today's ever-evolving market, securing reliable components is a key part of your procurement strategy. With jb JKA Trimmer Capacitors, you can eliminate supply chain disruptions and guarantee that you always have the parts you need, exactly when you need them.
Secure Your Supply Today
Don't let uncertainty in your supply chain affect your business operations. Take action now and ensure your production continues without interruption. Click below to learn more about our jb JKA SMD Trimmer Capacitors:
In the ever-evolving world of technology, the demand for precision and stability in test and measurement equipment has reached new heights. Engineers, manufacturers, and electronic testing professionals face increasing pressure to obtain highly accurate measurements for a variety of applications, whether in research and development, industrial testing, or quality control. To meet these challenges head-on, achieving consistent and precise results is paramount, and components like the JBR-3329 are key to making this possible.
Technological Advancements Driving Precision in Test Equipment
As technological progress accelerates, the demand for more sophisticated and accurate test equipment has surged. Whether it's cutting-edge electronics, complex industrial processes, or the latest innovations in scientific research, precise measurements are fundamental to ensuring system performance and reliability. This growing demand for accuracy drives the need for adjustable resistors that offer fine-tuning capabilities, and products like the JBR-3329 are leading the charge.
Why Choose the JBR-3329 for Your Test & Measurement Equipment?
The JBR-3329 is meticulously designed to meet the stringent demands of precision measurement and testing applications. With its multi-turn design, the JBR-3329 offers fine resistance adjustments, making it the perfect solution for high-accuracy testing devices such as oscilloscopes, signal generators, and more. Its wide resistance range ensures that it is versatile enough to handle a variety of testing applications, while its robust, high-temperature-resistant design ensures that it remains reliable under the harshest conditions.
Key Features:
Precision Micro-Adjustment: Achieve the most accurate results with fine-tuned resistance settings, essential for high-precision test environments.
Wide Resistance Range: Ideal for a wide variety of test applications across different industries.
Long Life & High Stability: Designed to withstand frequent adjustments in demanding environments, maintaining accuracy and stability over time.
High-Temperature Tolerance: Perfectly suited for industrial and laboratory testing environments that require dependable, long-term performance.
Elevating Your Testing Capabilities
In today’s competitive landscape, the need for accurate, reliable results has never been greater. The JBR-3329 empowers engineers to streamline their testing processes and achieve precise measurements with ease. Whether you're working in industrial settings or advancing research projects, this high-precision component will enhance your test equipment and improve the overall efficiency and reliability of your measurements.
With the JBR-3329, you can unlock the full potential of your test and measurement systems.
Conclusion
Take your testing equipment to the next level with precision components that ensure accuracy, stability, and long-term performance. Don't miss the opportunity to enhance your systems with the JBR-3329 and experience firsthand how it can improve your test results. Explore more about the JBR-3329 here, and Order Now!
Get in Touch with Us
Need tailored solutions for your next project? Reach out to us today to learn more about how jb JKA SMD Trimmer Capacitors can help optimize your RF tuning system:
In the ever-evolving medical technology field, precision, durability, and reliability are the cornerstones of every critical device. High-precision trimming potentiometers such as the JBR-3296 and JBR-3266 by jb Capacitors are no longer just components—they are integral to the successful operation of medical equipment that directly affects patient care and diagnosis. These sophisticated potentiometers are designed to meet the harsh demands of medical devices, guaranteeing stability, accuracy, and performance where it matters most.
Why Precision Matters in Medical Equipment
Medical devices like MRI machines, EEGs, ECGs, and other monitoring systems depend heavily on accurate, real-time signals for diagnosis and treatment. Potentiometers like the JBR-3296 and JBR-3266 offer unrivaled precision in resistance adjustment, allowing healthcare professionals to make informed decisions based on stable and accurate readings. But what exactly sets these components apart in such a critical industry?
1. Unmatched Signal Stability for Flawless Diagnostics
Instruments designed for patient care cannot afford signal errors. The JBR-3296 and JBR-3266 potentiometers are crafted to ensure signal stability, providing precise resistance adjustments that fine-tune the electrical signals in diagnostic devices. This results in clearer, more reliable data—essential for diagnosing medical conditions accurately. The difference between an effective diagnosis and a misread result often hinges on this level of precision.
2. Built for Continuous, Uninterrupted Operation
Medical devices like MRI, EEG, and ECG machines must operate 24/7, often under extreme conditions. The JBR-3296 and JBR-3266 potentiometers are built to endure constant use over time without losing functionality. Their robust design ensures that these potentiometers will continue to deliver accurate performance, even under prolonged, intense use. This makes them an ideal choice for high-demand, life-saving applications where failure is not an option.
3. Robust Durability to Tackle Extreme Conditions
Temperature fluctuations, vibrations, and demanding operational environments are common in medical facilities. The JBR-3296 and JBR-3266 potentiometers come equipped with sealed designs that provide superior protection, capable of withstanding temperature extremes from -55°C to 125°C and high vibrations up to 390m/s² for 4000 cycles. Their durability ensures these components remain fully operational even in the harshest conditions, providing stability to critical medical applications and ultimately enhancing patient care.
Why jb Capacitors?
jb Capacitors has built a solid reputation in the capacitor and components industry, especially in the highly regulated medical electronics sector. Choosing the JBR-3296 and JBR-3266 is an investment in quality—these potentiometers are engineered with meticulous attention to detail, ensuring the highest standards of reliability and precision for medical applications.
Additionally, jb Capacitors goes beyond product design; we focus on visibility and accessibility for engineers and procurement specialists. Through effective SEO strategies and engaging content such as videos, jb Capacitors ensures that our products reach the right audience. This strategic approach not only builds brand credibility but also boosts our online presence, making it easier for customers to discover and choose jb Capacitors as their trusted partner in medical equipment.
Conclusion: Shaping the Future of Healthcare Technology
The JBR-3296 and JBR-3266 potentiometers are more than just components—they are critical enablers of medical device functionality. Designed to withstand the rigorous demands of the medical field, these potentiometers ensure that diagnostic equipment runs with pinpoint accuracy and reliability. As the medical industry continues to advance, jb Capacitors remains committed to providing the high-precision components that keep healthcare technology at the forefront of innovation.
For further information about the JBR-3296 and JBR-3266, please reach out to us:
In the world of modern electronics, minimizing size while maintaining high performance is often a critical requirement. The jb JKA Series SMD Ceramic Trimmer Capacitors, with an ultra-thin profile of just 3mm, are designed to fit seamlessly into high-density circuit boards. These capacitors are ideal for applications that demand precision and miniaturization without compromising on performance, whether in medical devices, communication systems, or industrial automation.
Key Features of JKA Trimmer Capacitors:
Compact Form Factor: With dimensions of just 3.2mm x 4.5mm x 1.5mm, the JKA capacitors are engineered to maximize space utilization, making them ideal for applications where size constraints are a critical factor.
Low Capacitance Drift: Offering a maximum capacitance drift of ±3%, the JKA capacitors ensure stable performance over time, crucial for applications that require precise tuning and reliable operation under varying conditions.
Durable and Robust Construction: The sealed design of the capacitors provides protection against dust and solder flux, ensuring they are suitable for reflow soldering processes, adding to their longevity and reliability.
High Q Factor: With a Q factor range from 250 to 600, these capacitors offer superior performance for applications that rely on high-frequency stability, providing optimal resonance and minimal energy loss.
Applications for JKA Trimmer Capacitors:
Medical Devices: Essential for precise adjustments in medical instruments, ensuring accuracy and reliability in mission-critical devices
Communication Equipment: Perfect for maintaining frequency stability in communication systems, crucial for seamless data transmission and network integrity.
Industrial Automation: Flexible and adaptable, the JKA capacitors are built to withstand diverse operational environments in automation systems, ensuring optimal performance across a range of applications.
Ready to Enhance Your Designs?
Download the datasheet today to explore the full technical details and learn how jb JKA Trimmer Capacitors can elevate your projects with unmatched precision and performance.
See the Precision of JKA Trimmer Capacitors in Action
Watch the video to understand how these capacitors can improve your designs:
In the world of electronic applications, achieving precision calibration and maintaining reliable performance are essential for success. JBR Trimming Potentiometers are designed to deliver exceptional accuracy, stability, and durability, making them a trusted choice for critical industries such as industrial automation, consumer electronics, and communication systems.
Applications Across Key Industries
Industrial Automation:JBR Trimming Potentiometers provide precise resistance adjustments in complex machinery, ensuring efficient operations and consistent output in automation systems. Their tight tolerance levels allow for reliable performance even in demanding conditions.
Consumer Electronics:From audio equipment to display calibration, these potentiometers enhance functionality in consumer devices by offering stable resistance adjustments and long-term reliability.
Communication Systems:In high-frequency communication environments, JBR Trimming Potentiometers maintain signal stability and reduce downtime, ensuring seamless operations.
Built for Stability and Longevity
Engineered for environments where precision and consistency are paramount, JBR Trimming Potentiometers feature a wide resistance range and an extended rotational lifespan. Their robust construction ensures durability and reliable performance even under challenging conditions, making them a versatile solution for various applications.
Why Choose JBR Trimming Potentiometers?
Precision Calibration: Ensures accurate resistance adjustments for optimized circuit performance.
Durability: Designed for long-term use in demanding environments.
Versatility: Suitable for a wide range of industries and applications.
Discover how JBR Trimming Potentiometers can enhance precision and efficiency across critical applications in industrial automation, consumer electronics, and communication systems.
In modern electronic circuits, achieving precision calibration and ensuring stability are essential for reliable performance. JBR Trimming Potentiometers are meticulously designed to meet these requirements, offering exceptional accuracy, reliable resistance adjustments, and long-lasting durability across diverse applications.
Key Features of JBR Trimming Potentiometers
Precision Calibration Function JBR Trimming Potentiometers provide highly accurate resistance adjustments, ensuring optimal performance and fine-tuning in critical electronic circuits.
Wide Resistance Range A broad adjustment spectrum supports flexibility and adaptability in a variety of electronic applications.
Tight Tolerance Levels Engineered with minimal deviation, these potentiometers deliver predictable and stable performance even in demanding conditions.
Extended Rotational Lifespan Built for durability, JBR Trimming Potentiometers ensure consistent performance through repeated adjustments without compromising reliability.
Why Choose JBR Trimming Potentiometers?
Trusted across industrial automation, communication systems, and consumer electronics, JBR Trimming Potentiometers provide:
Accurate Calibration: Ensures circuits operate with precision.
Consistent Stability: Reliable performance in critical conditions.
Long-Term Durability: Built to withstand repeated fine-tuning.
