TVS diodes clamp high-voltage automotive rails
TVS diodes in the TPSMC, TPSMD, and TP5.0SMDJ series from Littelfuse provide standoff voltage ratings of up to 400 V in a single device. Compared to low- and mid-voltage TVS diodes that require multiple devices in series for adequate protection, this single-device approach reduces BOM costs and component count.
The TPSMC, TPSMD, and TP5.0SMDJ series deliver peak pulse power ratings of 1.5 kW, 3.0 kW, and 5.0 kW (10/1000 µs), respectively, with peak surge currents up to 300 A. Designed for automotive power electronics, the devices protect GaN/SiC MOSFETs and IGBTs in battery disconnect units, high-voltage HVAC systems, and PTC heaters from severe transients such as load dumps and other high-energy events.
These devices combine fast response times (typically <1 ps) for effective transient clamping with IEC-61000-4-2 ESD compliance up to 30 kV for robust system-level protection. AEC-Q101 qualification and PPAP capability support automotive reliability requirements, while the SMC (DO-214AB) surface-mount package minimizes PCB footprint and simplifies layout.
The TPSMC, TPSMD, and TP5.0SMDJ series are available in tape-and-reel format in quantities of 3000. Samples can be requested through authorized Littelfuse distributors worldwide.
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