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Home > Technology List > Varistors provide bi-directional transient voltage protection

Varistors provide bi-directional transient voltage protection

Published time: 2019-12-20 23:34:03

Varistors provide bi-directional transient voltage protection

AVX Corporation has extended the voltage and energy ratings of its radial leaded TransGuard Automotive Series with the addition of its new VR20 varistors, expanding both the number and type of applications for which the series is an ideal solution. Based on AVX’s patented multilayer varistor (MLV) technology, which provides bi-directional transient voltage protection in the on-state and EMI/RFI attenuation in the off-state, VR20 varistors combine circuit protection and EMI/RFI attenuation functions in a single, high-reliability device, allowing designers to both reduce component count and save critical board space. Qualified to AEC-Q200, rated for -55°C to +125°C, and featuring a robust construction with conformal epoxy coating, VR20 TransGuard Automotive Series varistors are ideal for use in a variety of harsh automotive and industrial applications, including: inductive switching, DC motors, water and fuel pumps, and relays, amongst others.

Exhibiting exceptional current and energy handling capabilities, AVX’s VR20 TransGuard Automotive Series varistors are rated for 25kV ESD and are available in three working voltages (18V, 26V, and 48V), four clamping voltages (42V, 54V, 60V, and 100V), and three energy ratings (0.7J, 1.2J, and 1.6J). Lead-free and RoHS compliant, VR20 varistors feature Ni/Sn leads and can be shipped in bulk or packaged on tape and reel. Nickel-free leads are available upon request.

To access the datasheet for the VR20 TransGuard Automotive Series varistors, please visit http://avx.com/docs/Catalogs/vras.pdf.

AVX Corporation is a technology leader in the manufacture of passive electronic components and interconnect products worldwide. The Passive Components segment manufactures a full line of surface mount and leaded ceramic capacitors, radio frequency (RF) thick and thin film components, multi-layer ceramic and tantalum capacitors, film capacitors, ceramic and film power capacitors, super capacitors, EMI filters, thick and thin film packages, varistors, thermistors, inductors, and resistive products.

 

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