Bourns Inc.

KCA, LC, HC, and NR Series Mini-Breakers

Bourns offers their Komatsulite™ Model KCA series, LC series, HC series, and NR series mini-breakers

Image of Bourns' KCA, LC, HC, and NR Series Mini-BreakersThese innovative mini-breaker devices from Bourns enable long battery life, high current draw and fast recharge, while providing an effective mechanism to protect against overtemperature and overcurrent conditions. This new family of mini-breakers complements Bourns’ broad offering of PTC resettable fuses and TBU® High-Speed Protectors for overcurrent protection as well as their wide range of overvoltage protectors such as TVS diodes, TISP® thyristors, multilayer varistors and gas discharge tubes.

Features Applications
  • Overtemperature and overcurrent protection for lithium polymer and prismatic cells
  • Controls abnormal, excessive current virtually instantaneously
  • Wide range of temperature options
  • RoHS-compliant
  • Battery cell protection for:
    • Notebook PCs
    • Tablet PCs
    • Smart phones
    • Mobile phones
Published: 2015-07-08

Related Videos

Bourns® Mini-Breakers (Miniature Thermal Cut Off Devices) Training
Bourns® Mini-Breakers (Miniature Thermal Cut Off Devices) Training

Publish Date: 2023-09-20

Bourns® Overtemperature Protection for USB Type-C Cables
Bourns® Overtemperature Protection for USB Type-C Cables

Publish Date: 2022-06-06

Bourns Komatsulite Mini-Breakers | DigiKey Daily
Bourns Komatsulite Mini-Breakers | DigiKey Daily

Publish Date: 2016-07-14

Related Product Highlight

Mini-Breaker (Thermal Cutoff Devices) Design Kits Bourns offers five Komatsulite mini-breaker (thermal cutoff device) design kits, including the HC series, LC series, KCA series, and NR series mini-breakers.

Related Product Training Modules

Mini-Breakers: Overtemperature Protection for Heater Applications Bourns mini-breakers are a combination of two common circuit protection technologies: a PTC and a bimetal switch, providing several advantages over either technology on its own.
Mini-breaker Thermal Cut Off (TCO) Devices This presentation will introduce the range of mini-breakers, explain their construction, and review their applications and advantages. It will also explain the part numbering system and talk about how to select the most suitable part.
Terms & Conditions Privacy Notice Cookie Settings
Local Support: 25 Basel St. Kiryat-Arie, Petach Tikva 4951038 Copyright © 1995-2026, DigiKey. All Rights Reserved.
ECIA Member
This site is protected by VikingCloud's Trusted Commerce program
ECIA Member