Board Mount Surge Protectors

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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 (USD) 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: $1.79 14,842In Stock	Mfr. Part # TBU-CA050-100-WH Mouser Part # 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 $1.79 $1.20 $1.01 $0.963 Reel $0.872 View $0.937 $0.871 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: $2.17 34,841In Stock 42,000Expected 2/15/2027	Mfr. Part # TBU-CA065-200-WH Mouser Part # 652-TBU-CA065-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	34,841In Stock 42,000Expected 2/15/2027	Cut Tape $2.17 $1.87 $1.24 $1.04 Reel $0.899 View $0.934 $0.896 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: $2.15 36,506In Stock 39,000Expected 5/26/2027	Mfr. Part # TBU-CA065-300-WH Mouser Part # 652-TBU-CA065-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	36,506In Stock 39,000Expected 5/26/2027	Cut Tape $2.15 $1.93 $1.29 $1.04 $0.966 Reel $0.95 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: $2.29 40,735In Stock	Mfr. Part # TBU-CA085-050-WH Mouser Part # 652-TBU-CA085-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	40,735In Stock	Cut Tape $2.29 $1.73 $1.23 $1.04 $0.919 Reel $0.896 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-CA040-100-WH Bourns 1: $2.22 2,436In Stock	Mfr. Part # TBU-CA040-100-WH Mouser Part # 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 $2.22 $1.87 $1.29 $1.04 $0.95 Reel $0.896 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: $1.79 3,042In Stock	Mfr. Part # TBU-CA040-200-WH Mouser Part # 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 $1.79 $1.20 $1.01 $0.963 $0.911 Reel $0.896 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-CA025-050-WH Bourns 1: $1.79 5,518In Stock 4,300Expected 10/26/2026	Mfr. Part # TBU-CA025-050-WH Mouser Part # 652-TBU-CA025-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	5,518In Stock 4,300Expected 10/26/2026	Cut Tape $1.79 $1.20 $1.01 $0.963 $0.918 Reel $0.896 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: $1.65 4,813In Stock	Mfr. Part # TBU-CA025-100-WH Mouser Part # 652-TBU-CA025-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4,813In Stock	Cut Tape $1.65 $1.20 $1.01 $0.963 $0.918 Reel $0.896 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: $2.09 6,587In Stock	Mfr. Part # TBU-CA025-200-WH Mouser Part # 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 $2.09 $1.73 $1.19 $1.03 $0.912 Reel $0.896 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: $2.23 3,527In Stock	Mfr. Part # TBU-CA025-300-WH Mouser Part # 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 $2.23 $1.73 $1.29 $1.04 $0.95 Reel $0.896 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-CA025-500-WH Bourns 1: $2.22 1,737In Stock 42,000On Order	Mfr. Part # TBU-CA025-500-WH Mouser Part # 652-TBU-CA025-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	1,737In Stock 42,000On Order On Order Ship Dates Mfr. #: TBU-CA025-500-WH Stock: 1,737 Can Ship Immediately On Order: 18,000 Expected 10/15/2026 24,000 Expected 5/17/2027 Factory Lead-Time: 18 Weeks	Cut Tape $2.22 $1.87 $1.29 $1.04 $0.95 Reel $0.896 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-CA040-050-WH Bourns 1: $2.36 4,704In Stock	Mfr. Part # TBU-CA040-050-WH Mouser Part # 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 $2.36 $1.87 $1.29 $1.04 $0.95 Reel $0.896 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-CA040-500-WH Bourns 1: $2.40 3,953In Stock 12,000Expected 12/21/2026	Mfr. Part # TBU-CA040-500-WH Mouser Part # 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 12/21/2026	Cut Tape $2.40 $1.87 $1.26 $1.04 $0.94 Reel $0.896 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: $2.40 3,434In Stock	Mfr. Part # TBU-CA050-050-WH Mouser Part # 652-TBU-CA050-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,434In Stock	Cut Tape $2.40 $1.87 $1.23 $1.04 $0.95 Reel $0.896 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: $2.40 4,020In Stock 6,000Expected 1/26/2027	Mfr. Part # TBU-CA050-200-WH Mouser Part # 652-TBU-CA050-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4,020In Stock 6,000Expected 1/26/2027	Cut Tape $2.40 $1.87 $1.29 $1.04 $0.95 Reel $0.896 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: $2.09 5,201In Stock 9,000Expected 10/15/2026	Mfr. Part # TBU-CA050-300-WH Mouser Part # 652-TBU-CA050-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	5,201In Stock 9,000Expected 10/15/2026	Cut Tape $2.09 $1.73 $1.29 $1.04 $0.95 Reel $0.896 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: $1.90 4,705In Stock	Mfr. Part # TBU-CA050-500-WH Mouser Part # 652-TBU-CA050-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4,705In Stock	Cut Tape $1.90 $1.27 $1.07 $1.03 Reel $0.949 View $0.95 $0.896 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: $2.09 12,682In Stock 15,000Expected 7/12/2027	Mfr. Part # TBU-CA065-050-WH Mouser Part # 652-TBU-CA065-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	12,682In Stock 15,000Expected 7/12/2027	Cut Tape $2.09 $1.73 $1.19 $1.03 $0.912 Reel $0.896 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-CA065-500-WH Bourns 1: $1.86 3,647In Stock 6,000Expected 2/24/2027	Mfr. Part # TBU-CA065-500-WH Mouser Part # 652-TBU-CA065-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3,647In Stock 6,000Expected 2/24/2027	Cut Tape $1.86 $1.27 $1.07 $1.03 Reel $0.927 View $1.02 $0.917 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	1 A	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-200-WH Bourns 1: $2.40 2In Stock 21,000On Order	Mfr. Part # TBU-CA085-200-WH Mouser Part # 652-TBU-CA085-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2In Stock 21,000On Order On Order Ship Dates Mfr. #: TBU-CA085-200-WH Stock: 2 Can Ship Immediately On Order: 6,000 Expected 5/17/2027 15,000 Expected 5/31/2027 Factory Lead-Time: 16 Weeks	Cut Tape $2.40 $1.83 $1.29 $1.04 Reel $0.922 View $0.95 $0.917 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-CA085-300-WH Bourns 1: $2.09 2,439In Stock	Mfr. Part # TBU-CA085-300-WH Mouser Part # 652-TBU-CA085-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2,439In Stock	Cut Tape $2.09 $1.87 $1.29 $1.04 Reel $0.90 View $0.95 $0.896 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: $2.28 2,334In Stock 6,000Expected 2/8/2027	Mfr. Part # TBU-CA085-500-WH Mouser Part # 652-TBU-CA085-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2,334In Stock 6,000Expected 2/8/2027	Cut Tape $2.28 $1.77 $1.29 $1.04 Reel $0.924 View $0.94 $0.918 Quote 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-CA085-100-WH Bourns 1: $2.22 1,595In Stock 9,000Expected 8/9/2027	Mfr. Part # TBU-CA085-100-WH Mouser Part # 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 8/9/2027	Cut Tape $2.22 $1.87 $1.20 $1.01 $0.896 Reel $0.896 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: $1.79 40,900On Order	Mfr. Part # TBU-CA065-100-WH Mouser Part # 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. #: TBU-CA065-100-WH Stock: 0 On Order: 22,900 Expected 2/24/2027 18,000 Expected 3/22/2027 Factory Lead-Time: 16 Weeks	Cut Tape $1.79 $1.20 $1.01 $0.963 Reel $0.949 View $0.95 $0.896 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-CA040-300-WH Bourns 1: $1.90 2,964Expected 1/6/2027	Mfr. Part # TBU-CA040-300-WH Mouser Part # 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 1/6/2027	Cut Tape $1.90 $1.27 $1.07 $1.03 $0.95 Reel $0.90 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	400 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel

TBU®-CA High-Speed Protectors

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