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SA77SB0 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SA77SB0 product

SA77SB0

Thermal Cutoffs (Thermal Fuses and Breakers)

Thermal CutoffSurface MountBattery Protection

The SA77SB0 is a miniature surface-mount thermal cutoff breaker from Bourns, optimized for battery cell protection in portable electronics.

Best for

  • Battery cell protection
  • Portable consumer electronics

Avoid if

  • Applications requiring flow soldering
  • Environments with corrosive gases

Check before use

  • Reflow profile
  • Mechanical mounting stress limits

Key specifications

Trip Temperature
77 °C
Contact Rating
25 A
Max Voltage
28 VDC

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8536200040.0

Application

Consumer ElectronicsBattery Management

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SA77SB0: 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

It is a miniature surface-mount thermal cutoff (TCO) device used for overtemperature and overcurrent protection in lithium-ion battery applications.