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Design Kits - ​Mini-Breakers (Miniature Thermal Cut​off Devices)

Mini-Breakers are Thermal Cutoff (TCO) devices which are used as safety devices to help prevent heat and fires caused by excess current, mainly in lithium-ion batteries. Used in batteries for such devices as notebook PCs, tablets, digital cameras, and smartphones, our Mini-Breakers are self-preserving devices designed to stay tripped (operated) during abnormal temperatures, and then recover when power is cut and the temperature returns to a safe level. This allows for protection at lower temperatures compared with polymer PTCs and temperature fuses used for the same applications.

In order to obtain a Bourns® Design Kit please contact your local Bourns sales office or authorized Bourns distributor.

Kit Number Kit Photo Description Pieces Part Numbers
AA-LAB1 KCA-LAB1 AA Series Mini-Breaker 5 pieces of each part AA72A10
AA77A10
AA82A10
AA85A10
HC-LAB1 HC-LAB1 HC Series Mini-Breaker 5 pieces of each part HC72AY-1
HC77AY-1
HC82AY-1
HC85AY-1
HC90AY-1
KCA-LAB1 KCA-LAB1 KCA Series Mini-Breaker 5 pieces of each part KCA72AB0
KCA77AB0
KCA82AB0
KCA85AB0
LC-LAB1 LC-LAB1 LC Series Mini-Breaker 5 pieces of each part LC72AY-1
LC77AY-1
LC82AY-1
LC85AY-1
NR-LAB1 NR-LAB1 NR Series Mini-Breaker 5 pieces of each part NR72AB0
NR77AB0
NR82AB0
NR85AB0
NR-LAB2 NR-LAB2 NR Series Mini-Breaker 5 pieces of each part NR72CB0
NR77CB0
NR82CB0
NR85CB0
SA-LAB2 KCA-LAB1 SA Series Mini-Breaker 5 pieces of each part SA72SB0
SA77SB0
SA82SB0
SA85SB0

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