Bourns Inc.

Mini-Breaker (Thermal Cutoff Devices) Design Kits

Bourns and Komatsulite offer their five mini-breaker design kits for battery-cell protection

Image of Bourns' Mini-Breaker Design KitsBourns is pleased to announce the release of five Komatsulite™ mini-breaker (thermal cutoff device) design kits. These are for the HC series, LC series, KCA series, and NR series mini-breaker, overtemperature and overcurrent protectors. Komatsulite’s innovative mini-breaker devices enable long battery life, high-current draw, and fast recharge while providing an effective mechanism to protect against overtemperature and overcurrent conditions.

Komatsulite’s family of mini-breakers complement 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.

Mini-Breaker Design Kits
  • HC-LAB1: Komatsulite's HC series
    • Five of each: HC72AY-1, HC77AY-1, HC82AY-1, HC85AY-1, and HC90AY-1
  • LC-LAB1: Komatsulite's LC series
    • Five of each: LC72AY-1, LC77AY-1, LC82AY-1, and LC85AY-1
  • KCA-LAB1: Komatsulite's KCA series A-type
    • Five of each: KCA72AB0, KCA77AB0, KCA82AB0, and KCA85AB0
  • NR-LAB1: Komatsulite's NR series A-type
    • Five of each: NR72AB0, NR77AB0, NR82AB0, and NR85AB0
  • NR-LAB2: Komatsulite's NR series C-type
    • Five of each: NR72CB0, NR77CB0, NR82CB0, and NR85CB0
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

Mini-Breaker (Thermal Cutoff Devices) Design Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CIRC PRTCT KIT THERMOSTAT 5PCLC-LAB1CIRC PRTCT KIT THERMOSTAT 5PC1 - Immediate$18.31View Details
CIRC PRTCT KIT THERMOSTAT 5PCHC-LAB1CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.19View Details
CIRC PRTCT KIT THERMOSTAT 20PCKCA-LAB1CIRC PRTCT KIT THERMOSTAT 20PC0 - ImmediateSee Page for PricingView Details
CIRC PRTCT KIT THERMOSTAT 5PCNR-LAB1CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.02View Details
CIRC PRTCT KIT THERMOSTAT 5PCNR-LAB2CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.02View Details

HC Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 90DEG C NC 2-SMD SLDRHC90AY-1THERMOSTAT 90DEG C NC 2-SMD SLDR4735 - Immediate$1.32View Details
THERMOSTAT 72DEG C NC STRAP SLDRHC72AY-1THERMOSTAT 72DEG C NC STRAP SLDR4287 - Immediate$1.32View Details
THERMOSTAT 85DEG C NC STRAP SLDRHC85AY-1THERMOSTAT 85DEG C NC STRAP SLDR4943 - Immediate$1.55View Details
THERMOSTAT 82DEG C NC STRAP SLDRHC82AY-1THERMOSTAT 82DEG C NC STRAP SLDR4984 - Immediate$1.55View Details
THERMOSTAT 77DEG C NC STRAP SLDRHC77AY-1THERMOSTAT 77DEG C NC STRAP SLDR9947 - Immediate$1.55View Details
CIRC PRTCT KIT THERMOSTAT 5PCHC-LAB1CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.19View Details

LC Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 72DEG C NC STRAP SLDRLC72AY-1THERMOSTAT 72DEG C NC STRAP SLDR673 - Immediate$1.25View Details
THERMOSTAT 77DEG C NC STRAP SLDRLC77AY-1THERMOSTAT 77DEG C NC STRAP SLDR4517 - Immediate$1.06View Details
THERMOSTAT 82DEG C NC STRAP SLDRLC82AY-1THERMOSTAT 82DEG C NC STRAP SLDR4431 - Immediate$1.25View Details
THERMOSTAT 85DEG C NC STRAP SLDRLC85AY-1THERMOSTAT 85DEG C NC STRAP SLDR0 - Immediate$1.25View Details
CIRC PRTCT KIT THERMOSTAT 5PCLC-LAB1CIRC PRTCT KIT THERMOSTAT 5PC1 - Immediate$18.31View Details

KCA Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 72DEG C SPST-NC 2SMDKCA72AB0THERMOSTAT 72DEG C SPST-NC 2SMD0 - ImmediateSee Page for PricingView Details
THERMOSTAT 82DEG C SPST-NC 2SMDKCA82AB0THERMOSTAT 82DEG C SPST-NC 2SMD0 - ImmediateSee Page for PricingView Details
THERMOSTAT 85DEG C NC STRAP SLDRKCA85AB0THERMOSTAT 85DEG C NC STRAP SLDR0 - ImmediateSee Page for PricingView Details
CIRC PRTCT KIT THERMOSTAT 20PCKCA-LAB1CIRC PRTCT KIT THERMOSTAT 20PC0 - ImmediateSee Page for PricingView Details

NR Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
THERMOSTAT 77DEG C NC STRAP SLDRNR77AB0THERMOSTAT 77DEG C NC STRAP SLDR4890 - Immediate$1.43View Details
THERMOSTAT 85DEG C SPST-NC 2SMDNR85CB0THERMOSTAT 85DEG C SPST-NC 2SMD5991 - Immediate$1.44View Details
THERMOSTAT 72DEG C SPST-NC 2SMDNR72CB0THERMOSTAT 72DEG C SPST-NC 2SMD101 - Immediate$1.44View Details
THERMOSTAT 85DEG C NC STRAP SLDRNR85AB0THERMOSTAT 85DEG C NC STRAP SLDR5166 - Immediate$1.68View Details
THERMOSTAT 77DEG C SPST-NC 2SMDNR77CB0THERMOSTAT 77DEG C SPST-NC 2SMD4993 - Immediate$1.44View Details
THERMOSTAT 72DEG C SPST-NC 2SMDNR72AB0THERMOSTAT 72DEG C SPST-NC 2SMD9984 - Immediate$1.68View Details
THERMOSTAT 82DEG C SPST-NC 2SMDNR82AB0THERMOSTAT 82DEG C SPST-NC 2SMD4987 - Immediate$1.68View Details
THERMOSTAT 82DEG C SPST-NC 2SMDNR82CB0THERMOSTAT 82DEG C SPST-NC 2SMD0 - Immediate$0.53View Details
CIRC PRTCT KIT THERMOSTAT 5PCNR-LAB1CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.02View Details
CIRC PRTCT KIT THERMOSTAT 5PCNR-LAB2CIRC PRTCT KIT THERMOSTAT 5PC0 - Immediate$18.02View Details
Published: 2016-06-23

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Related Product Highlight

KCA, LC, HC, and NR Series Mini-Breakers Bourns offers their Komatsulite™ model KCA, LC, HC, and NR series mini-breaker overtemperature and overcurrent protectors

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.