Electronic Products & Technology

Resettable TCO devices are miniature

Stephen Law   

Circuit Protection Electronics Circuit circuit Cutoff miniature protection protection resettable TCO TCO thermal

BOURNS Model CB Series miniature resettable Thermal Cutoff (TCO) devices are suitable for overtemperature and overcurrent protection of lithium polymer and prismatic cells. Device are firm’s next gen of axial leaded TCO devices that control abnormal, excessive current virtually instantaneously, up to rated limits. Products are more than 26% smaller than firm’s NR Series, yet deliver the same current carrying capability. Devices provide low-profile 0.8mm height and body width of 2.5mm along with high current carrying capability. Devices offer resistance levels as low as 2.2 milliohms and has current capabilities from 6A up to 11A at 60°C, as well as a welding projection option.


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