AVX has extended the voltage and energy ratings of its radial leaded TransGuard Automotive Series with the addition of its VR20 varistors, expanding both the number and type of applications for the series.
Based on AVX’s 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 one device.
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.
“AVX’s radial leaded TransGuard Automotive Series features the smallest varistors available on the market, offering compact height and thickness specifications superior to those of equivalent leaded disc varistors. With the addition of the new VR20 varistors, the series also provides design engineers with a broader range of voltage and energy rating options in radial leaded configurations, complementing our high temperature radial leaded TransGuard Series varistors by expanding both the number and type of applications the series ideal for,” says Jiri Machanicek, product manager at AVX.
The 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.
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