Board Mount Surge Protectors

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TBU® Circuit Protection Devices

Bourns TBU^® Circuit Protection Devices block transients in nanoseconds through a current-disconnecting mechanism instead of diverting or shunting the surge to ground. These high-speed surge protection components are designed to protect against faults caused by short circuits, AC power cross, induction, and lightning surges. Bourns TBU Circuit Protection Devices are resettable for full functionality after multiple fault events and ideal for telecommunications, industrial, and data communications systems.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) 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 100mA 850Vimp P850-G120-WH Bourns 1: $3.43 22,254In Stock	Mfr. Part # P850-G120-WH Mouser Part # 652-P850-G120-WH	Bourns	Board Mount Surge Protectors 100mA 850Vimp Learn More about Bourns Bourns_TBU	Datasheet	22,254In Stock	Cut Tape $3.43 $2.98 $2.06 $1.67 View Reel $1.29 $1.57 $1.29 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT		850 V	100 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Dual 50ohm TBU Devce Bi-directional TBU-PL085-100-WH Bourns 1: $2.88 5,601In Stock	Mfr. Part # TBU-PL085-100-WH Mouser Part # 652-TBU-PL085-100-WH	Bourns	Board Mount Surge Protectors Dual 50ohm TBU Devce Bi-directional	Datasheet	5,601In Stock	Cut Tape $2.88 $2.59 $1.79 $1.43 Reel $1.16 View $1.31 $1.08 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 Dual Unidirectional TBU Device TBU-DT065-100-WH Bourns 1: $3.33 8,224In Stock	Mfr. Part # TBU-DT065-100-WH Mouser Part # 652-TBU-DT065-100-WH	Bourns	Board Mount Surge Protectors Dual Unidirectional TBU Device Learn More about Bourns tbu dt high speed protectors	Datasheet	8,224In Stock	Cut Tape $3.33 $2.91 $2.02 $1.63 Reel $1.26 View $1.53 $1.25 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	300 V	100 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors 200mA 850Vimp P850-G200-WH Bourns 1: $2.00 984In Stock	Mfr. Part # P850-G200-WH Mouser Part # 652-P850-G200-WH	Bourns	Board Mount Surge Protectors 200mA 850Vimp Learn More about Bourns Bourns_TBU	Datasheet	984In Stock	Cut Tape $2.00 $1.53 $1.37 Reel $1.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT		850 V	200 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-200-WH Bourns 1: $3.12 36,031In Stock 42,000Expected 2027-02-15	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	36,031In Stock 42,000Expected 2027-02-15	Cut Tape $3.12 $2.69 $1.79 $1.50 $1.34 Reel $1.29 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-CA085-050-WH Bourns 1: $3.30 40,750In 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	40,750In Stock	Cut Tape $3.30 $2.49 $1.77 $1.50 $1.32 Reel $1.29 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: $3.20 2,536In 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	2,536In Stock	Cut Tape $3.20 $2.69 $1.86 $1.50 $1.37 Reel $1.29 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: $2.58 3,237In 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	3,237In Stock	Cut Tape $2.58 $1.73 $1.45 $1.39 $1.31 Reel $1.29 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 240mA 40Vimp P40-G240-WH Bourns 1: $2.32 6,670In Stock	Mfr. Part # P40-G240-WH Mouser Part # 652-P40-G240-WH	Bourns	Board Mount Surge Protectors 240mA 40Vimp Learn More about Bourns Bourns_TBU	Datasheet	6,670In Stock	Cut Tape $2.32 $1.79 $1.33 $1.01 $0.893 Reel $0.886 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT		40 V	240 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-050-WH Bourns 1: $3.46 6,936In Stock	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	6,936In Stock	Cut Tape $3.46 $2.69 $1.86 $1.50 $1.32 Reel $1.29 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: $2.87 5,818In 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	5,818In Stock	Cut Tape $2.87 $2.29 $1.77 $1.50 $1.32 Reel $1.29 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-CA025-300-WH Bourns 1: $3.30 4,027In 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	4,027In Stock	Cut Tape $3.30 $2.55 $1.86 $1.50 $1.37 Reel $1.29 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: $3.40 5,204In 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	5,204In Stock	Cut Tape $3.40 $2.69 $1.86 $1.50 $1.37 Reel $1.29 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: $3.46 7,103In Stock	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	7,103In Stock	Cut Tape $3.46 $2.69 $1.81 $1.50 $1.35 Reel $1.29 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-CA050-100-WH Bourns 1: $3.46 15,463In 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	15,463In Stock	Cut Tape $3.46 $2.69 $1.86 $1.50 $1.37 Reel $1.29 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-CA050-200-WH Bourns 1: $3.46 4,020In Stock 6,000Expected 2026-12-22	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 2026-12-22	Cut Tape $3.46 $2.69 $1.86 $1.50 $1.37 Reel $1.29 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: $3.01 5,363In Stock 9,000Expected 2026-12-23	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	5,363In Stock 9,000Expected 2026-12-23	Cut Tape $3.01 $2.49 $1.86 $1.50 $1.37 Reel $1.29 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: $2.74 4,930In 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	4,930In Stock	Cut Tape $2.74 $1.83 $1.54 $1.48 Reel $1.37 View $1.37 $1.29 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: $3.30 12,836In Stock	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	12,836In Stock	Cut Tape $3.30 $2.49 $1.86 $1.50 $1.35 Reel $1.29 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-CA065-100-WH Bourns 1: $2.58 5,885In Stock 24,000Expected 2027-02-24	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	5,885In Stock 24,000Expected 2027-02-24	Cut Tape $2.58 $1.73 $1.45 $1.39 Reel $1.37 View $1.37 $1.29 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-CA065-300-WH Bourns 1: $3.10 11,198In Stock 76,000On Order	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	11,198In Stock 76,000On Order On Order Ship Dates Mfr. #: TBU-CA065-300-WH Stock: 11,198 Can Ship Immediately On Order: 37,000 Expected 2026-10-16 39,000 Expected 2027-05-26 Factory Lead-Time: 18 Weeks	Cut Tape $3.10 $2.78 $1.86 $1.50 $1.39 Reel $1.37 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-CA085-100-WH Bourns 1: $3.20 6,505In Stock	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	6,505In Stock	Cut Tape $3.20 $2.69 $1.73 $1.45 $1.29 Reel $1.29 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-CA085-200-WH Bourns 1: $3.46 1,102In 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	1,102In Stock 21,000On Order On Order Ship Dates Mfr. #: TBU-CA085-200-WH Stock: 1,102 Can Ship Immediately On Order: 6,000 Expected 2027-05-17 15,000 Expected 2027-05-31 Factory Lead-Time: 16 Weeks	Cut Tape $3.46 $2.64 $1.86 $1.50 $1.37 Reel $1.32 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-CA085-500-WH Bourns 1: $3.10 2,745In Stock 6,000Expected 2027-02-08	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	2,745In Stock 6,000Expected 2027-02-08	Cut Tape $3.10 $2.58 $1.86 $1.50 Reel $1.33 View $1.35 $1.32 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 Dual Unidirectional TBU Device TBU-DT065-200-WH Bourns 1: $2.82 2,330In Stock 9,000Expected 2027-03-01	Mfr. Part # TBU-DT065-200-WH Mouser Part # 652-TBU-DT065-200-WH	Bourns	Board Mount Surge Protectors Dual Unidirectional TBU Device Learn More about Bourns tbu dt high speed protectors	Datasheet	2,330In Stock 9,000Expected 2027-03-01	Cut Tape $2.82 $1.90 $1.60 $1.54 Reel $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	DFN	650 V	400 mA	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel

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