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SMAJ78A Datasheet 400w Transient Voltage Suppressor

Manufacturer: WeEn

Overview: SMAJ Series 400W Transient Voltage Suppressor Rev.02 - 24 November 2023 Product data sheet 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

SMAJ series, 400W transient voltage suppressor (TVS) in SMA package, designed to protect electronic circuits against damage induced by lightning surges or other transient voltage events.

2.

Key Features

  • Peak pulse power 400W @ 10/1000μs waveform.
  • Excellent clamping capability.
  • Low incremental surge resistance.
  • Surface mount package for easy assembly and PCB space-saving.
  • Typical IR < 1μA when VBR min > 12V.
  • Fast response time: typically < 1.0ps from 0V to VBR minimum.
  • IEC 61000-4-2 ESD 30kV (Air), 30kV (Contact).
  • EFT protection of data lines in accordance with IEC 61000-4-4.
  • Guaranteed high temperature for reflow.

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