NX Series Thermal Cutoff (TCO) Devices

Bourns NX Series Thermal Cutoff (TCO) Devices are high-current miniature resettable devices that employ a high-rated corrosion-resistant bimetal mechanism for improved endurance in humid environments. These devices support current capabilities from 12A to 20A at 60°C. The NX series TCO devices offer a 1.2mΩ and 3mΩ typical resistance. These devices include overcurrent and overtemperature protection for lithium polymer and prismatic cells. The NX series TCO devices are available with 77°C, 82°C, 85°C, and 90°C trip temperature options, which operate within a ±5°C tolerance. These devices are used for battery protection in handheld and wearable electronics, notebook PCs, tablet PCs, and smartphones.

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Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Rated Temperature
Maximum Voltage
Minimum Holding Voltage
Resistance
Maximum Breaking Current
Maximum Leakage Current
Length
Width
Height
Series
Packaging
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 77C, Self Hold,w/o projection
Datasheet
947In Stock
Min.: 1
Mult.: 1

+ 77 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 82C, Self Hold,w/o projection
Datasheet
877In Stock
Min.: 1
Mult.: 1

+ 82 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 85C, Self Hold,w/o projection
Datasheet
767In Stock
Min.: 1
Mult.: 1

+ 85 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 90C, Self Hold,w/o projection
Datasheet
994In Stock
Min.: 1
Mult.: 1

+ 90 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 77C, Self Hold, projection
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 5,000
Mult.: 5,000

+ 77 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 82C, Self Hold, projection
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 5,000
Mult.: 5,000

+ 82 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 85C, Self Hold,projection
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 5,000
Mult.: 5,000

+ 85 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk
Bourns Thermal Cutoffs TCO, High Current, Axial Lead, 90C, Self Hold, projection
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 5,000
Mult.: 5,000

+ 90 C 28 VDC / 35 A, 100 cycles 3 V 1.2 mOhms 70 A 200 mA 4.8 mm 2.8 mm 0.94 mm NX Bulk