Board Mount Surge Protectors – Mouser Puerto Rico

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TBU-RS Dual Channel High-Speed Protector

Bourns^® TBU-RS Dual Channel High-Speed Protector is a Transient Blocking Unit (TBU) overcurrent and TVS overvoltage protector for the RS-485 communications interface. This high-speed protector offers 1μs fast protection response time and 850V maximum impulse voltage. The TBU-RS protector comes in 8mm x 5.5mm dimensions and is RoHS compliant. This overcurrent protector is ideal for RS-485 interface surge protection and Antenna Interface Standards Group (AISG) modem protection.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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
	Board Mount Surge Protectors Dual Bi-directional TBU Device TBU-RS055-300-WH Bourns 1: $3.36 A tariff of 21% may be applied if shipping to the United States. 11,990Expected 1/1/2027	Mfr. Part # TBU-RS055-300-WH Mouser Part # 652-TBU-RS055-300-WH	Bourns	Board Mount Surge Protectors Dual Bi-directional TBU Device Learn More about Bourns tbu rs055 300 wh protectors	Datasheet	11,990Expected 1/1/2027	Cut Tape $3.36 $2.48 $1.73 $1.41 $1.39 Reel $1.30 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	DFN	550 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
	Board Mount Surge Protectors Dual Bi-directional TBU Device TBU-RS085-300-WH Bourns 1: $4.62 A tariff of 21% may be applied if shipping to the United States. 26,829On Order	Mfr. Part # TBU-RS085-300-WH Mouser Part # 652-TBU-RS085-300-WH	Bourns	Board Mount Surge Protectors Dual Bi-directional TBU Device Learn More about Bourns tbu rs dual channel protector	Datasheet	26,829On Order On Order Ship Dates Mfr. #: TBU-RS085-300-WH Stock: 0 On Order: 5,829 Expected 11/30/2026 6,000 Expected 12/8/2026 15,000 Expected 12/9/2026 Factory Lead-Time: 24 Weeks	Cut Tape $4.62 $3.39 $2.41 $2.09 Reel $1.95 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000			SMD/SMT		850 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel

TBU-RS Dual Channel High-Speed Protector

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