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SA28A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SA28A product

SA28A

TVS - Diodes

TVS Diode500WUnidirectionalDO-15

The SA28A is a 500W unidirectional TVS diode designed for transient voltage protection in sensitive electronic circuits.

Best for

  • I/O interfaces
  • VCC bus protection
  • Telecom circuits

Avoid if

  • Applications requiring bidirectional protection (use SA28CA instead)

Check before use

  • Thermal derating above 75°C

Key specifications

Peak Pulse Power
500 W
Reverse Standoff Voltage
28 V
Clamping Voltage
45.4 V
Peak Pulse Current
11.2 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8541.10.0080

Application

TelecomIndustrial

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SA28A: 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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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 SA28A is a 500W peak pulse power unidirectional TVS diode from Littelfuse, housed in a DO-15 axial package.