Littelfuse's SZSMF4L series of automotive-grade TVS diodes offer sub-nanosecond response times and up to 400 W unidirectional and bidirectional overvoltage transient rejection for 1 ms. These devices are suitable for a wide range of automotive applications.
Littelfuse's SZSMF4L devices are TVS diodes in a compact SOD-123FL package that offers greater design flexibility and a smaller footprint than previous technologies: it is only 385 mm x 2.35 mm。In addition to being AEC-Q101 compliant, the SZSMF4L series is ESD Class 3 and IEC-61000-4-2 compliant.
The peak reverse voltage ranges from 5 V to 78 V and 10 V to 78 V for unidirectional and bidirectional models, respectively. Both offer low Zener impedance, high surge tolerance, and excellent clamping and low leakage current.
Features:
The response time is less than 1 ns
The peak power is 400 W at 1 ms
The operating junction temperature is up to 175°C
The operating peak reverse voltage is up to 78V
Applications
New energy vehicle powertrain and inverter.
New energy on-board charging.
Automotive battery management systems.
Automotive power distribution units.
Body control system.
Automotive IO interface protection.
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