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SMBJ78A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMBJ78A product

SMBJ78A

TVS - Diodes

TVS Diode600WSMBUnidirectional

The SMBJ78A is a 600W unidirectional TVS diode in an SMB package, optimized for protecting sensitive circuits from voltage transients.

Best for

  • Telecom equipment
  • VCC bus protection
  • Industrial electronics

Avoid if

  • Applications requiring bidirectional protection (use SMBJ78CA instead)

Check before use

  • Maximum transient energy levels
  • Clamping voltage compatibility

Key specifications

Reverse Stand-Off Voltage
78 V
Peak Pulse Power
600 W
Clamping Voltage
126 V
Package
SMB (DO-214AA)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

IndustrialTelecomConsumer

Datasheet

48730bde087b5a922af9802347709f7c.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMBJ78A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The SMBJ78A is a 600W peak pulse power transient voltage suppressor (TVS) diode designed for surface-mount applications.