Board Mount Surge Protectors – Mouser United Kingdom

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TBU®-CA High-Speed Protectors

Bourns TBU^®-CA High-Speed Protectors feature low capacitance and MOSFET semiconductor technology to protect against faults caused by AC power cross, short circuits, lightning surges, and induction. These single bidirectional protectors provide an effective barrier between sensitive electronics and surge events. Bourns TBU-CA protectors are ideal for voice / VDSL cards, protection modules / dongles, test and measurement equipment, general electronics, and process control equipment.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Termination Style	Package/Case	Voltage Rating	Current Rating	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-100-WH Bourns 1: £1.34 14,842In Stock	Mfr. Part No. TBU-CA050-100-WH Mouser Part No 652-TBU-CA050-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	14,842In Stock	Cut Tape £1.34 £0.899 £0.759 £0.723 Reel £0.655 View £0.704 £0.654 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	500 V	200 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-200-WH Bourns 1: £1.63 27,691In Stock 42,000Expected 15/02/2027	Mfr. Part No. TBU-CA065-200-WH Mouser Part No 652-TBU-CA065-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	27,691In Stock 42,000Expected 15/02/2027	Cut Tape £1.63 £1.41 £0.934 £0.78 Reel £0.675 View £0.701 £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	400 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-300-WH Bourns 1: £1.80 32,735In Stock 39,000Expected 26/05/2027	Mfr. Part No. TBU-CA065-300-WH Mouser Part No 652-TBU-CA065-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	32,735In Stock 39,000Expected 26/05/2027	Cut Tape £1.80 £1.41 £0.969 £0.78 £0.725 Reel £0.713 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-050-WH Bourns 1: £1.72 40,494In Stock	Mfr. Part No. TBU-CA085-050-WH Mouser Part No 652-TBU-CA085-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	40,494In Stock	Cut Tape £1.72 £1.30 £0.925 £0.78 £0.69 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	850 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-050-WH Bourns 1: £1.34 6,618In Stock 6,000Expected 16/03/2027	Mfr. Part No. TBU-CA025-050-WH Mouser Part No 652-TBU-CA025-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	6,618In Stock 6,000Expected 16/03/2027	Cut Tape £1.34 £0.899 £0.759 £0.723 £0.689 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	250 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-100-WH Bourns 1: £1.24 3,813In Stock	Mfr. Part No. TBU-CA025-100-WH Mouser Part No 652-TBU-CA025-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,813In Stock	Cut Tape £1.24 £0.899 £0.759 £0.723 £0.689 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	250 V	200 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-200-WH Bourns 1: £1.57 6,587In Stock	Mfr. Part No. TBU-CA025-200-WH Mouser Part No 652-TBU-CA025-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	6,587In Stock	Cut Tape £1.57 £1.30 £0.89 £0.773 £0.684 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	250 V	400 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-300-WH Bourns 1: £1.68 3,527In Stock	Mfr. Part No. TBU-CA025-300-WH Mouser Part No 652-TBU-CA025-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,527In Stock	Cut Tape £1.68 £1.30 £0.969 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	250 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-050-WH Bourns 1: £1.77 4,704In Stock	Mfr. Part No. TBU-CA040-050-WH Mouser Part No 652-TBU-CA040-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4,704In Stock	Cut Tape £1.77 £1.41 £0.969 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-100-WH Bourns 1: £1.34 2,436In Stock	Mfr. Part No. TBU-CA040-100-WH Mouser Part No 652-TBU-CA040-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2,436In Stock	Cut Tape £1.34 £0.899 £0.759 £0.723 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	200 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-200-WH Bourns 1: £1.34 3,042In Stock	Mfr. Part No. TBU-CA040-200-WH Mouser Part No 652-TBU-CA040-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,042In Stock	Cut Tape £1.34 £0.899 £0.759 £0.723 £0.684 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	400 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-500-WH Bourns 1: £1.80 3,953In Stock 12,000Expected 21/12/2026	Mfr. Part No. TBU-CA040-500-WH Mouser Part No 652-TBU-CA040-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,953In Stock 12,000Expected 21/12/2026	Cut Tape £1.80 £1.41 £0.943 £0.78 £0.705 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-050-WH Bourns 1: £1.80 1,943In Stock 6,000Expected 24/02/2027	Mfr. Part No. TBU-CA050-050-WH Mouser Part No 652-TBU-CA050-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	1,943In Stock 6,000Expected 24/02/2027	Cut Tape £1.80 £1.41 £0.925 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	500 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-200-WH Bourns 1: £1.80 3,968In Stock 6,000Expected 26/01/2027	Mfr. Part No. TBU-CA050-200-WH Mouser Part No 652-TBU-CA050-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,968In Stock 6,000Expected 26/01/2027	Cut Tape £1.80 £1.41 £0.969 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	500 V	400 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-300-WH Bourns 1: £1.57 4,691In Stock 9,000On Order	Mfr. Part No. TBU-CA050-300-WH Mouser Part No 652-TBU-CA050-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4,691In Stock 9,000On Order	Cut Tape £1.57 £1.30 £0.969 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	500 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-500-WH Bourns 1: £1.42 3,915In Stock	Mfr. Part No. TBU-CA050-500-WH Mouser Part No 652-TBU-CA050-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,915In Stock	Cut Tape £1.42 £0.952 £0.803 £0.773 Reel £0.712 View £0.713 £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	500 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-050-WH Bourns 1: £1.57 12,262In Stock 15,000Expected 12/07/2027	Mfr. Part No. TBU-CA065-050-WH Mouser Part No 652-TBU-CA065-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	12,262In Stock 15,000Expected 12/07/2027	Cut Tape £1.57 £1.30 £0.89 £0.773 £0.684 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-300-WH Bourns 1: £1.57 1,711In Stock 6,000Expected 17/05/2027	Mfr. Part No. TBU-CA085-300-WH Mouser Part No 652-TBU-CA085-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	1,711In Stock 6,000Expected 17/05/2027	Cut Tape £1.57 £1.41 £0.969 £0.78 Reel £0.676 View £0.713 £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	850 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-500-WH Bourns 1: £1.71 2,104In Stock 6,000Expected 08/02/2027	Mfr. Part No. TBU-CA085-500-WH Mouser Part No 652-TBU-CA085-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2,104In Stock 6,000Expected 08/02/2027	Cut Tape £1.71 £1.33 £0.969 £0.78 Reel £0.695 View £0.705 £0.689 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	850 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-500-WH Bourns 1: £1.68 688In Stock 42,000On Order	Mfr. Part No. TBU-CA025-500-WH Mouser Part No 652-TBU-CA025-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	688In Stock 42,000On Order On Order Ship Dates Mfr. No: TBU-CA025-500-WH Stock: 688 Can Dispatch Immediately On Order: 18,000 Pending 24,000 Expected 22/02/2027 Factory Lead Time: 18 Weeks	Cut Tape £1.68 £1.31 £0.969 £0.78 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	250 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-100-WH Bourns 1: £1.67 1,595In Stock 9,000Expected 09/08/2027	Mfr. Part No. TBU-CA085-100-WH Mouser Part No 652-TBU-CA085-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	1,595In Stock 9,000Expected 09/08/2027	Cut Tape £1.67 £1.41 £0.899 £0.759 £0.673 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	850 V	200 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-100-WH Bourns 1: £1.42 40,900On Order	Mfr. Part No. TBU-CA065-100-WH Mouser Part No 652-TBU-CA065-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	40,900On Order On Order Ship Dates Mfr. No: TBU-CA065-100-WH Stock: 0 On Order: 22,900 Expected 24/02/2027 18,000 Expected 22/03/2027 Factory Lead Time: 18 Weeks	Cut Tape £1.42 £0.952 £0.803 £0.773 Reel £0.684 View £0.766 £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	100 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-200-WH Bourns 1: £1.80 20,976On Order	Mfr. Part No. TBU-CA085-200-WH Mouser Part No 652-TBU-CA085-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	20,976On Order On Order Ship Dates Mfr. No: TBU-CA085-200-WH Stock: 0 On Order: 5,976 Expected 17/05/2027 15,000 Expected 31/05/2027 Factory Lead Time: 18 Weeks	Cut Tape £1.80 £1.37 £0.969 £0.78 Reel £0.696 View £0.713 £0.689 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	850 V	400 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-300-WH Bourns 1: £1.42 2,964Expected 06/01/2027	Mfr. Part No. TBU-CA040-300-WH Mouser Part No 652-TBU-CA040-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2,964Expected 06/01/2027	Cut Tape £1.42 £0.952 £0.803 £0.773 £0.713 Reel £0.676 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-500-WH Bourns 1: £1.38 11,935On Order	Mfr. Part No. TBU-CA065-500-WH Mouser Part No 652-TBU-CA065-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	11,935On Order On Order Ship Dates Mfr. No: TBU-CA065-500-WH Stock: 0 On Order: 5,935 Expected 12/11/2026 6,000 Expected 23/08/2027 Factory Lead Time: 18 Weeks	Cut Tape £1.38 £1.08 £0.908 £0.863 £0.713 Reel £0.673 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel

TBU®-CA High-Speed Protectors

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TBU®-CA High-Speed Protectors

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