Board Mount Surge Protectors

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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 (CLP) 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-RS085-300-WH Bourns 1: $5.263 32.337On 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	32.337On Order On Order Ship Dates Mfr. #: TBU-RS085-300-WH Stock: 0 On Order: 14.337 Expected 2/5/2027 9.000 Expected 4/8/2027 9.000 Expected 4/16/2027 Factory Lead-Time: 24 Weeks	Cut Tape $5.263 $3.862 $2.746 $2.381 Reel $2.222 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT		850 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel
	Board Mount Surge Protectors Dual Bi-directional TBU Device TBU-RS055-300-WH Bourns 1: $3.828 9.650Expected 2/5/2027	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	9.650Expected 2/5/2027	Cut Tape $3.828 $2.825 $1.971 $1.606 $1.584 Reel $1.481 MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	DFN	550 V	600 mA	- 55 C	+ 125 C	Reel, Cut Tape, MouseReel

TBU-RS Dual Channel High-Speed Protector

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TBU-RS Dual Channel High-Speed Protector

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