Bourns BVRA1812 Automotive-Grade Low-Voltage Varistors

Introduction

The Bourns BVRA1812 Automotive-Grade Low-Voltage Varistors are specialized components designed to provide surge protection in automotive applications. With a robust construction and compliance with industry standards, these varistors are essential for safeguarding sensitive electronic circuits.

Part Description

The Bourns BVRA1812 Varistors operate within a working voltage range of 14VDC to 100VDC and can handle current levels between 400A to 800A. Packaged in an EIA 1812 size, these surface-mount devices are engineered for automotive circuits that require reliable surge protection. They feature excellent transient energy absorption capabilities, improved energy volume distribution, and power dissipation, making them suitable for high-performance applications. The varistors are AEC-Q200 and RoHS compliant, ensuring they meet stringent automotive standards. They can operate in a temperature range of -40°C to +125°C and boast a rapid response time of less than 1 nanosecond.

Applications

• Power supplies
• Entertainment electronics
• Circuit board-level protection against transient events
• CAN-, LIN-, and FlexRay-based modules
• Module load dump protection
• Motor/inductive load transient suppression

Industries

• Automotive
• Consumer Electronics
• Industrial Automation
• Telecommunications
• Power Management

Usage Ideas

1. Automotive Power Supply Protection: Integrate the BVRA1812 varistor into the power supply circuit of an automotive system to protect against voltage spikes during engine start-up or load dumps.

2. Transient Protection for Entertainment Systems: Use the varistor in car audio systems to safeguard against voltage transients that could damage sensitive components, ensuring reliable performance during operation.

3. Inductive Load Suppression: Implement the BVRA1812 in circuits controlling motors or inductive loads to absorb voltage spikes generated during switching, enhancing the longevity of the components.

Conclusion

The Bourns BVRA1812 Automotive-Grade Low-Voltage Varistors are a vital component for any automotive application requiring surge protection. With their robust specifications and compliance with industry standards, they provide reliable performance in a variety of settings, making them an excellent choice for engineers and designers looking to enhance the durability and reliability of their electronic systems.