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LC77AY-1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LC77AY-1 product

LC77AY-1

Thermal Cutoffs (Thermal Fuses and Breakers)

Thermal CutoffBattery ProtectionBourns

The LC77AY-1 is a miniature thermal cutoff (TCO) device from Bourns, specifically engineered for battery cell protection in portable electronics.

Best for

  • Battery cell protection
  • Portable electronics

Avoid if

  • Reflow soldering applications
  • High-vibration environments without proper mounting

Check before use

  • Welding compatibility
  • Thermal coupling to the heat source

Key specifications

Trip Temperature
77 °C ± 5 °C
Reset Temperature
40 °C min.
Contact Rating
DC9V / 12 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8536200040.0

Application

Battery Protection

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LC77AY-1: 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 thermal cutoff (TCO) device designed to provide overtemperature and overcurrent protection for lithium polymer and prismatic battery cells.