X1 Capacitors: EPCOS B3291xH/J4 Series

Introduction

The EPCOS B3291xH/J4 series of X1 capacitors, manufactured by TDK Corporation, are engineered for high-performance applications requiring power line filtering of electromagnetic interferences (EMI). These capacitors are particularly suited for automotive and industrial environments, where reliability and durability are paramount.

Part Description

The X1 capacitors in the EPCOS B3291xH/J4 series are designed to handle a DC voltage of up to 1000 V and an AC voltage of up to 480 V. They are built to withstand harsh climatic conditions, making them ideal for applications such as photovoltaic (PV) inverters and electric vehicle (EV) onboard chargers. With self-healing properties, these capacitors ensure longevity and reliability in demanding environments. The series offers a range of capacitance values from 15 nF to 10.0 µF, and their compact design allows for easy integration into various electronic systems. The capacitors are THB-tested for temperature, humidity, and bias, ensuring they can operate effectively at temperatures up to +110 °C.

Applications

• EMI suppression in automotive applications
• EMI suppression in industrial applications
• Power line filtering for high-voltage DC systems
• Use in photovoltaic (PV) inverters
• Integration in electric vehicle (EV) onboard chargers (OBCs)

Industries

• Automotive
• Renewable Energy
• Industrial Electronics
• Electric Vehicle Manufacturing
• Consumer Electronics

Usage Ideas

1. Electric Vehicle Charging Station: Utilize the X1 capacitors in the design of a charging station to filter out electromagnetic interference, ensuring stable and efficient power delivery to electric vehicles.

2. Solar Inverter Design: Incorporate these capacitors into a solar inverter circuit to enhance EMI suppression, improving the overall performance and reliability of the solar energy system.

3. Industrial Motor Control: Use the EPCOS B3291xH/J4 capacitors in motor control applications to mitigate EMI, helping to ensure smooth operation and compliance with regulatory standards.

Conclusion

The EPCOS B3291xH/J4 series X1 capacitors from TDK Corporation represent a robust solution for EMI suppression in challenging automotive and industrial applications. With their high voltage ratings, compact design, and self-healing properties, these capacitors are well-suited for modern electronic systems that demand reliability and performance in harsh environments.