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SMAJ5.0A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMAJ5.0A product

SMAJ5.0A

Transient Voltage Suppressors (TVS)

TVS Diode400WSMAUnidirectionalCircuit Protection

The SMAJ5.0A is a 400W unidirectional TVS diode in an SMA package, designed for protecting sensitive electronics from voltage transients.

Best for

  • General purpose transient protection
  • I/O port protection
  • Power supply rail clamping

Avoid if

  • High-speed data lines where junction capacitance might interfere with signal integrity

Check before use

  • Polarity orientation on the PCB
  • Thermal management for continuous power dissipation

Key specifications

Peak Pulse Power
400 W
Stand-off Voltage
5.0 V
Clamping Voltage
9.2 V
Peak Pulse Current
43.5 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0080

Application

General PurposePower SuppliesConnectivity

Datasheet

5c31e6941f5dfb092f1f38695f1b964e_MDD(辰达半导体)&SMAJ5.0A.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SMAJ5.0A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Where to Buy

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

Alternative components

2
PartDetailsMatch
SMAJ5.0CABOURNS

A functional alternative in the same package with identical ratings but is bidirectional.

Needs validation

Design and risk insights

Questions & answers

The SMAJ5.0A is a surface-mount transient voltage suppressor (TVS) diode used to protect electronic circuits from voltage spikes and ESD.