STMicroelectronics, 28V Zener Diode 400 W SMT 2-Pin StmiteFLAT

The SMM4F Transil series has been designed to protect sensitive equipment against electrostatic discharges and electrical over stress. They are generally for surges below 400 W 10/1000 μs. This planar technology makes it compatible with high-end equipment and SMPS where low leakage current and high junction temperature are required to provide reliability and stability over time. Their low clamping voltages provide a better safety margin to protect sensitive circuits with extended life time expectancy.Packaged in STmite Flat, this minimizes PCB space consumption. Transil is a trademark of STMicroelectronics.

Typical peak pulse power:
400 W (10/1000 μs)
2.4 kW (8/20 μs)
Stand-off voltage range: from 5 V to 33 V
Unidirectional type
Low leakage current:
0.2 μA at 25 °C
1 μA at 85 °C
Operating Tj max: 175 °C
Halogen free molding compound

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