AVX Releases the First Multilayer Varistor Transient Voltage Suppressors Rated for 175°C Operation
The new TransGuard® VT Series MLVs are qualified to AEC-Q200 & deliver both reliable bidirectional overvoltage protection & broadband EMI filtering in high-temperature automotive applications with zero derating across the entire operating temperature range
FOUNTAIN INN, S.C., April 08, 2019 (GLOBE NEWSWIRE) -- AVX Corporation, a leading manufacturer and supplier of advanced electronic components and interconnect, sensor, control, and antenna solutions, released the industry’s first multilayer varistor (MLV) transient voltage suppression (TVS) devices rated for 175°C operation. The new TransGuard® VT Series high-temperature MLVs provide extremely reliable bidirectional overvoltage protection across operating temperatures extending from -55°C to 175°C with zero derating across the entire range, are qualified to AEC-Q200, and are currently available in compact, surface-mount 0603 and 0805 cases sizes. They also provide some broadband EMI filtering in their off state, which further extends their utility in sensitive automotive circuits by reducing the need for discrete MLCC capacitors and is especially beneficial considering current market-wide MLCC supply shortages. Application suitability for the new VT Series MLVs extends to circuit protection in other markets as well, and additional performance highlights include high current and energy handling capabilities, low leakage current, and multi-strike capabilities per IEC 61000-4-2.
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TransGuard MLVs are zinc oxide (ZnO) based ceramic semiconductor devices with non-linear, bi-directional voltage-current (V-I) characteristics similar to those of back-to-back Zener diodes, but with greater current and energy handling capabilities and the addition of EMI/RFI attenuation functionality. The new VT Series MLVs extend the temperature range of overvoltage protection beyond the TransGuard portfolio’s previous maximum of 150°C.
“The unique design of our new TransGuard VT Series allows AVX to offer the industry’s first and currently only multilayer varistor transient voltage suppressors rated for 175°C operation that don’t require derating across the full operating temperature range,” said John Gallipeau, technical marketing manager for power film capacitors and circuit protection at AVX. “These characteristics, combined with the added benefits of greater current and energy handling capabilities in the on-state plus EMC filtering in the off-state, provide automotive and industrial design teams with a compact solution for protecting advanced applications against the transient pulses that are so often encountered in harsh, high-temperature environments.”
TransGuard VT Series high-temperature MLVs are compliant with the ESD performance requirements defined in the AEC-Q200, IEC 61000-4-2, and ISO 10605 standards and are currently offered as four standard parts with RoHS-compliant nickel barrier, 100% matte-tin-plated terminations. The initial release of the series is comprised of 0603 MLVs with 0.1J energy, 18V working voltage, and 42V clamping voltage ratings; 0603 MLVs with 0.1J energy, 31V working voltage, and 67V clamping voltage ratings; 0805 MLVs with 0.3J energy, 18V working voltage, and 42V clamping voltage ratings; and 0805 MLVs with 0.3J energy, 31V working voltage, and 65V clamping voltage ratings. Standard parts are shipped on tape and reel in quantities of 1,000, 4,000, and 10,000, and lead-time for the series is currently 12 weeks.
For more information about AVX’s new TransGuard VT Series high-temperature multilayer varistors, please visit http://www.avx.com/products/circuit-protection/transient-voltage-suppressors-varistors/smd-varistors-automotive/high-temp-auto-mlv/. To order, please visit Digi-Key Electronics and Mouser Electronics. For all other inquiries, please visit www.avx.com, email inquiry@avx.com, follow them on LinkedIn and Twitter, like them on Facebook, call 864-967-2150, or write to One AVX Boulevard, Fountain Inn, S.C. 29644.
About AVX
AVX Corporation is a leading international manufacturer and supplier of advanced electronic components, interconnect, sensing, control, and antenna solutions with 29 manufacturing facilities in 16 countries around the world. AVX offers a broad range of devices including capacitors, resistors, filters, couplers, sensors, controls, circuit protection devices, connectors, and antennas. The company is publicly traded on the New York Stock Exchange (NYSE:AVX).
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John Gallipeau
AVX Corporation
(864) 967-9311
john.gallipeau@avx.com
Christina Sandidge
BtB Marketing Communications
(919) 872-8172
christina.sandidge@btbmarketing.com
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