JM121

series introduction

The **JM121 Series** is a high-performance line of precision current sense resistors designed to deliver exceptional accuracy, low resistance values, and superior thermal stability in a compact form factor. These resistors are engineered to meet the demands of modern electronic systems, where precise current measurement and efficient power management are critical. With a focus on reliability and performance, the JM121 Series is widely used in applications requiring high precision and durability under challenging conditions.

One of the standout features of the JM121 Series is its ultra-low resistance range, which enables accurate current sensing with minimal power loss. This is achieved through advanced materials and manufacturing techniques, ensuring consistent performance across a wide temperature range. The series offers excellent thermal stability, with a low temperature coefficient of resistance (TCR), making it ideal for applications where temperature fluctuations could otherwise compromise accuracy. Additionally, the resistors are designed to handle high power dissipation, ensuring reliable operation even in high-current environments.

The compact and robust design of the JM121 Series makes it suitable for space-constrained applications, such as portable electronics, automotive systems, and industrial automation. Its surface-mount technology (SMT) compatibility allows for easy integration into high-density printed circuit boards (PCBs), while its durable construction ensures long-term reliability in harsh operating conditions. The series is also RoHS-compliant, meeting global environmental standards for electronic components.

Typical applications for the JM121 Series include battery management systems (BMS), motor control circuits, power supplies, and energy monitoring systems. In automotive applications, these resistors are used for precise current measurement in electric vehicle (EV) powertrains, battery monitoring, and onboard charging systems. In industrial settings, they are employed in motor drives, robotics, and power inverters, where accurate current sensing is essential for efficient operation and system protection.

Overall, the JM121 Series combines precision, reliability, and versatility, making it a trusted choice for engineers and designers seeking high-performance current sense resistors for their next-generation electronic systems.

Images for reference

Image Preview

Partlist