Thermal Cut-offs – Mouser Liechtenstein

Polymeric Thermal Cutoff (P-TCO) Devices

Bourns Polymeric Thermal Cutoff (P-TCO) Devices are designed to protect USB-C cables from destructive and potentially dangerous thermal runaway events. The P-TCO family includes the P-TCO-U series in a 1210 footprint and P-TCO-N series in an ultra-compact 1206 footprint. The Bourns P-TCO family offers compact, ultra-low resistance thermal protection to guard against potentially dangerous runaway events. Each P-TCO series features a 12V maximum operating voltage rating, a 50A maximum operating current rating, and comes in three different models designed to provide protection for six different temperature-current combinations. The ultra-low resistance materials used in the P-TCO family enable both the P-TCO-U and P-TCO-N series to achieve initial resistance values as low as 2mΩ and post-trip resistance values as low as 14mΩ, allowing the devices to achieve current carrying capabilities as high as 4.5A.

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Contact Rating	Rated Temperature	Tolerance	Maximum Temperature	Minimum Holding Voltage	Resistance	Hold Current	Length	Width	Height	Approvals	Series	Packaging
Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/3.5A P-TCO-N350/12-2 Bourns 1: CHF 0.572 3’031In Stock 10’500Expected 2/10/2027	Mfr. Part No. P-TCO-N350/12-2 Mouser Part No 652-P-TCO-N350/12-2	Bourns	Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/3.5A Learn More about Bourns p tco n	Datasheet	3’031In Stock 10’500Expected 2/10/2027	Cut Tape CHF 0.572 CHF 0.467 CHF 0.39 CHF 0.334 View Reel CHF 0.214 CHF 0.324 CHF 0.277 CHF 0.256 CHF 0.214 MouseReel Available	Min.: 1 Mult.: 1 : 3’500		+ 75 C	+/- 15 C	+ 75 C	12 V	22 mOhms	3.5 A	3.5 mm	1.8 mm	1.1 mm	UL, cUL, TUV	P-TCO-N	Reel, Cut Tape, MouseReel
Thermal Cut-offs Polymer Thermal Cut-Off, 1210, 12V/3.5A P-TCO-U350/12-2 Bourns 1: CHF 0.579 2’145In Stock	Mfr. Part No. P-TCO-U350/12-2 Mouser Part No 652-P-TCO-U350/12-2	Bourns	Thermal Cut-offs Polymer Thermal Cut-Off, 1210, 12V/3.5A Learn More about Bourns p tco u	Datasheet	2’145In Stock	Cut Tape CHF 0.579 CHF 0.548 CHF 0.512 CHF 0.488 View Reel CHF 0.234 CHF 0.466 CHF 0.447 CHF 0.394 CHF 0.364 CHF 0.234 MouseReel Available	Min.: 1 Mult.: 1 : 3’500		+ 75 C	+/- 20 C	+ 75 C	12 V	22 mOhms	3.5 A	3.43 mm	2.8 mm	1.1 mm	UL, cUL, TUV	P-TCO-U	Reel, Cut Tape, MouseReel
Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/4.0A P-TCO-N400/12-2 Bourns 1: CHF 0.604 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. P-TCO-N400/12-2 Mouser Part No 652-P-TCO-N400/12-2	Bourns	Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/4.0A Learn More about Bourns p tco n	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape CHF 0.604 CHF 0.529 CHF 0.511 CHF 0.457 View Reel CHF 0.291 CHF 0.416 CHF 0.388 CHF 0.35 CHF 0.332 CHF 0.291 MouseReel Available	Min.: 1 Mult.: 1 : 3’500	50 A			+ 95 C		18 mOhms		3.5 mm	1.8 mm	1.1 mm		P-TCO-N	Reel, Cut Tape, MouseReel
Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/4.5A P-TCO-N450/12-2 Bourns 10’500: CHF 0.295 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. P-TCO-N450/12-2 Mouser Part No 652-P-TCO-N450/12-2	Bourns	Thermal Cut-offs Polymer Thermal Cut-Off, 1206, 12V/4.5A Learn More about Bourns p tco n	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape CHF 0.295	Min.: 10’500 Mult.: 3’500 : 3’500		+ 85 C	+/- 10 C	+ 85 C	12 V	14 mOhms	4.5 A	3.5 mm	1.8 mm	1.1 mm	UL, cUL, TUV	P-TCO-N	Reel
Thermal Cut-offs Polymer Thermal Cut-Off, 1210, 12V/4.0A P-TCO-U400/12-2 Bourns 1: CHF 0.555 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. P-TCO-U400/12-2 Mouser Part No 652-P-TCO-U400/12-2	Bourns	Thermal Cut-offs Polymer Thermal Cut-Off, 1210, 12V/4.0A Learn More about Bourns p tco u	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape CHF 0.555 CHF 0.486 CHF 0.483 CHF 0.431 View Reel CHF 0.278 CHF 0.391 CHF 0.381 CHF 0.341 CHF 0.322 CHF 0.278	Min.: 10’500 Mult.: 3’500 : 3’500		+ 80 C	+/- 15 C	+ 80 C	12 V	18 mOhms	4 A	3.43 mm	2.8 mm	1.1 mm	UL, cUL, TUV	P-TCO-U	Reel
Thermal Cut-offs 50A 12V P-TCO-U450/12-2 Bourns 1: CHF 0.572 Non-Stocked Lead-Time 22 Weeks	Mfr. Part No. P-TCO-U450/12-2 Mouser Part No 652-P-TCO-U450/12-2	Bourns	Thermal Cut-offs 50A 12V Learn More about Bourns p tco u	Datasheet	Non-Stocked Lead-Time 22 Weeks	Cut Tape CHF 0.572 CHF 0.50 CHF 0.483 CHF 0.427 View Reel CHF 0.311 CHF 0.365 CHF 0.344 CHF 0.311 CHF 0.311 MouseReel Available	Min.: 1 Mult.: 1 : 3’500		+ 85 C	+/- 10 C	+ 85 C	12 V	14 mOhms	4.5 A	3.43 mm	2.8 mm	1.1 mm	UL, cUL, TUV	P-TCO-U	Reel, Cut Tape, MouseReel

Polymeric Thermal Cutoff (P-TCO) Devices

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