Against the backdrop of global energy transformation and green development, battery energy storage systems (BESS) have emerged as a core technology for renewable energy storage and smart grid peak shaving, growing at an unprecedented pace. From home storage solutions to large-scale industrial energy storage plants, BESS not only improves energy utilization efficiency but also provides solid support for the stability and flexibility of energy supply. However, as system complexity increases and operating environments diversify, the potential threat posed by electrostatic discharge (ESD) to sensitive electronic components within the battery storage systems is becoming increasingly prominent. The WE24DF-B electrostatic protection diode, with its exceptional ESD protection performance, has become an indispensable electrostatic barrier in battery energy storage systems.

Slkor Electrostatic Discharge Diode WE24DF-B product photo

Precise Protection: Navigating Complex Electromagnetic Environments

Battery energy storage systems often operate in complex and variable electromagnetic environments, where ESD can be triggered by various factors such as device operation, dry conditions, or even personnel movement. Although these ESD events are brief, they can generate high voltages in the thousands of volts, posing a serious threat to critical electronic components within the system, such as microcontrollers, communication modules, and sensors. The WE24DF-B electrostatic protection diode is specifically designed to address such challenges. Its VRWM (Reverse Working Voltage) is 24V, ensuring that the diode remains in a high-impedance state within the system's normal operating voltage range, without interfering with the circuit's performance. When exposed to electrostatic discharge exceeding the threshold, the diode's VBR min (minimum breakdown voltage) of 26V allows for rapid response, transitioning from a high-impedance to a low-impedance state, safely discharging electrostatic energy to the ground and effectively protecting downstream circuits.

Additionally, the WE24DF-B has a VC (clamping voltage) of 36V, which ensures that the voltage is clamped within a safe range during ESD events, preventing overvoltage from damaging the circuit. Its extremely low IR (reverse leakage current) of just 1μA ensures that the diode consumes minimal power during long-term operation, having little to no impact on the overall system energy efficiency.

Slkor Electrostatic Discharge Diode WE24DF-B specification

Compact Packaging: Adapting to the Compact Design of Energy Storage Systems

Battery energy storage systems have high demands on space utilization, especially in home storage and small commercial storage applications, where every inch of space needs to be optimized. The WE24DF-B uses a DFN1006 package, measuring only 1.0mm × 0.6mm. This ultra-compact design significantly saves PCB space, allowing the diode to be easily integrated into the tight circuitry of energy storage systems, meeting the system's requirements for miniaturization and lightweight design. At the same time, the DFN package offers excellent heat dissipation and electrical performance, ensuring stable operation even under prolonged, high-load conditions.

Parameters of Slkor Electrostatic Discharge Diode WE24DF-B

Wide Applications: Enhancing System Reliability

The WE24DF-B is widely used in key areas of battery energy storage systems, including but not limited to battery management systems (BMS), inverters, and energy conversion modules. In BMS, the WE24DF-B effectively protects battery monitoring chips from electrostatic interference, ensuring accurate collection and transmission of battery status data. In inverters, it safeguards power electronic devices, preventing performance degradation or damage caused by ESD, enhancing inverter efficiency and reliability.

Conclusion

The electrostatic protection diode WE24DF-B plays a crucial role in battery energy storage systems with its precise ESD protection capabilities, compact packaging design, and broad application value. It is not only an electrostatic barrier for sensitive electronic components within the system but also a key factor in improving the overall reliability and stability of energy storage systems. With the continuous advancement of battery storage technology and the expanding application fields, the WE24DF-B is poised to leverage its unique advantages in more energy storage systems, contributing to the creation of a safer, more efficient, and sustainable energy storage framework.

About Slkor：

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.