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.

Results: 43
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Termination Style Package/Case Voltage Rating Current Rating Minimum Operating Temperature Maximum Operating Temperature Packaging
Bourns Board Mount Surge Protectors Bi-directional TBU 7,429In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 400 mA - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Bi-directional TBU 15,487In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 600 mA - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Bi-directional TBU 5,556In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 1 A - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Dual Unidirectional TBU Device 3,448In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 650 V 600 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Dual Unidirectional TBU Device 2,194In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 200 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Dual Unidirectional TBU Device 1,860In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 600 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Bi-directional TBU 800In Stock
6,000Expected 13/04/2026
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 400 V 1 A - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors 180mA 650Vimp 704In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT 14 V 180 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Bi-directional TBU 1,364In Stock
3,000Expected 07/05/2026
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 250 V 200 mA - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors 200mA 850Vimp 24In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT 850 V 200 mA - 40 C + 85 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Dual 50ohm TBU Devce Bi-directional 800In Stock
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 850 V 400 mA - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors Bi-directional TBU
15,000On Order
Min.: 1
Mult.: 1
Reel: 3,000

SMD/SMT DFN 500 V 600 mA - 55 C + 125 C Reel, Cut Tape, MouseReel
Bourns Board Mount Surge Protectors 100mA 650Vimp Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 3,000
Reel: 3,000

SMD/SMT 14 V 100 mA - 40 C + 85 C Reel
Bourns Board Mount Surge Protectors 260mA 650Vimp Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 3,000
Reel: 3,000

SMD/SMT 14 V 260 mA - 40 C + 85 C Reel
Bourns Board Mount Surge Protectors 180mA 850Vimp Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 3,000
Reel: 3,000

SMD/SMT 14 V 180 mA - 40 C + 85 C Reel
Bourns Board Mount Surge Protectors 260mA 850Vimp Non-Stocked Lead-Time 16 Weeks
Min.: 12,000
Mult.: 3,000
Reel: 3,000

SMD/SMT 14 V 260 mA - 40 C + 85 C Reel
Bourns Board Mount Surge Protectors Dual 50ohm TBU Devce Bi-directional Non-Stocked Lead-Time 24 Weeks
Min.: 9,000
Mult.: 3,000
Reel: 3,000

SMD/SMT DFN 350 V 100 mA - 55 C + 125 C Reel
Bourns Board Mount Surge Protectors Dual 50ohm TBU Devce Bi-directional Non-Stocked Lead-Time 24 Weeks
Min.: 9,000
Mult.: 3,000
Reel: 3,000

SMD/SMT DFN 600 V 400 mA - 55 C + 125 C Reel