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Gas Discharge Tube for RS-485 Ports

Bourns Gas Discharge Tube (GDT) for RS-485 Ports is designed to meet industry standards on RS-485 port interfaces and to provide circuit protection in noisy and harsh electrical environments. For exposed lines that may see large and fast surges and where failure is not acceptable, a three-stage Bourns protection system is recommended.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 75volts 5uA 24.8 Amps Uni-Dir SMLJ75A Bourns 1: 1,52 € 6 650In Stock	Mfr. Part No. SMLJ75A Mouser Part No 652-SMLJ75A	Bourns	ESD Protection Diodes / TVS Diodes 75volts 5uA 24.8 Amps Uni-Dir Learn More about Bourns _smlj	Datasheet	6 650In Stock	Cut Tape 1,52 € 0,972 € 0,725 € 0,647 € Reel 0,408 € View 0,509 € 0,441 € 0,388 € 0,373 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 78volts 5uA 22.8 Amps Uni-Dir SMLJ78A Bourns 1: 1,57 € 7 480In Stock	Mfr. Part No. SMLJ78A Mouser Part No 652-SMLJ78A	Bourns	ESD Protection Diodes / TVS Diodes 78volts 5uA 22.8 Amps Uni-Dir Learn More about Bourns _smlj	Datasheet	7 480In Stock	Cut Tape 1,57 € 0,989 € 0,788 € 0,678 € View Reel 0,435 € 0,528 € 0,455 € 0,435 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-100-WH Bourns 1: 1,42 € 4 658In Stock	Mfr. Part No. TBU-CA025-100-WH Mouser Part No 652-TBU-CA025-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	4 658In Stock	Cut Tape 1,42 € 1,03 € 0,869 € 0,828 € 0,789 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-200-WH Bourns 1: 1,80 € 6 254In Stock	Mfr. Part No. TBU-CA025-200-WH Mouser Part No 652-TBU-CA025-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	6 254In Stock	Cut Tape 1,80 € 1,49 € 1,02 € 0,886 € 0,784 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA025-300-WH Bourns 1: 1,92 € 3 507In Stock	Mfr. Part No. TBU-CA025-300-WH Mouser Part No 652-TBU-CA025-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3 507In Stock	Cut Tape 1,92 € 1,49 € 1,11 € 0,894 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-050-WH Bourns 1: 2,01 € 4 704In Stock	Mfr. Part No. TBU-CA040-050-WH Mouser Part No 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 2,01 € 1,61 € 1,11 € 0,894 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-100-WH Bourns 1: 1,54 € 2 431In Stock	Mfr. Part No. TBU-CA040-100-WH Mouser Part No 652-TBU-CA040-100-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2 431In Stock	Cut Tape 1,54 € 1,03 € 0,869 € 0,828 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-200-WH Bourns 1: 1,54 € 2 957In Stock	Mfr. Part No. TBU-CA040-200-WH Mouser Part No 652-TBU-CA040-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2 957In Stock	Cut Tape 1,54 € 1,03 € 0,869 € 0,828 € 0,783 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA040-500-WH Bourns 1: 2,06 € 3 953In Stock 12 000Expected 21/12/2026	Mfr. Part No. TBU-CA040-500-WH Mouser Part No 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 21/12/2026	Cut Tape 2,06 € 1,61 € 1,08 € 0,894 € 0,808 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-050-WH Bourns 1: 2,06 € 1 943In Stock 6 000Expected 24/02/2027	Mfr. Part No. TBU-CA050-050-WH Mouser Part No 652-TBU-CA050-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	1 943In Stock 6 000Expected 24/02/2027	Cut Tape 2,06 € 1,61 € 1,06 € 0,894 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-200-WH Bourns 1: 2,06 € 3 968In Stock 6 000Expected 26/01/2027	Mfr. Part No. TBU-CA050-200-WH Mouser Part No 652-TBU-CA050-200-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3 968In Stock 6 000Expected 26/01/2027	Cut Tape 2,06 € 1,61 € 1,11 € 0,894 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-300-WH Bourns 1: 1,80 € 13 671In Stock	Mfr. Part No. TBU-CA050-300-WH Mouser Part No 652-TBU-CA050-300-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	13 671In Stock	Cut Tape 1,80 € 1,49 € 1,11 € 0,894 € 0,817 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA050-500-WH Bourns 1: 1,63 € 3 915In Stock	Mfr. Part No. TBU-CA050-500-WH Mouser Part No 652-TBU-CA050-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3 915In Stock	Cut Tape 1,63 € 1,09 € 0,92 € 0,886 € Reel 0,816 € View 0,817 € 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA065-050-WH Bourns 1: 1,80 € 3 296In Stock 15 000Expected 12/07/2027	Mfr. Part No. TBU-CA065-050-WH Mouser Part No 652-TBU-CA065-050-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	3 296In Stock 15 000Expected 12/07/2027	Cut Tape 1,80 € 1,49 € 1,02 € 0,886 € 0,784 € Reel 0,771 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Bi-directional TBU TBU-CA085-500-WH Bourns 1: 1,80 € 2 104In Stock 6 000Expected 08/02/2027	Mfr. Part No. TBU-CA085-500-WH Mouser Part No 652-TBU-CA085-500-WH	Bourns	Board Mount Surge Protectors Bi-directional TBU Learn More about Bourns tbu ca high speed protectors	Datasheet	2 104In Stock 6 000Expected 08/02/2027	Cut Tape 1,80 € 1,52 € 1,11 € 0,894 € Reel 0,796 € View 0,808 € 0,789 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Dual Unidirectional TBU Device TBU-DT065-200-WH Bourns 1: 1,69 € 2 115In Stock 9 000Expected 01/03/2027	Mfr. Part No. TBU-DT065-200-WH Mouser Part No 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 115In Stock 9 000Expected 01/03/2027	Cut Tape 1,69 € 1,14 € 0,955 € Reel 0,856 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Dual Unidirectional TBU Device TBU-DT065-300-WH Bourns 1: 1,99 € 9 394In Stock 9 000Expected 28/04/2027	Mfr. Part No. TBU-DT065-300-WH Mouser Part No 652-TBU-DT065-300-WH	Bourns	Board Mount Surge Protectors Dual Unidirectional TBU Device Learn More about Bourns tbu dt high speed protectors	Datasheet	9 394In Stock 9 000Expected 28/04/2027	Cut Tape 1,99 € 1,36 € 1,14 € 0,92 € Reel 0,856 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Dual Unidirectional TBU Device TBU-DT085-200-WH Bourns 1: 2,25 € 2 072In Stock 9 000Expected 15/03/2027	Mfr. Part No. TBU-DT085-200-WH Mouser Part No 652-TBU-DT085-200-WH	Bourns	Board Mount Surge Protectors Dual Unidirectional TBU Device Learn More about Bourns tbu dt high speed protectors	Datasheet	2 072In Stock 9 000Expected 15/03/2027	Cut Tape 2,25 € 1,73 € 1,13 € 0,955 € 0,856 € Reel 0,856 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Board Mount Surge Protectors Dual Unidirectional TBU Device TBU-DT085-300-WH Bourns 1: 2,06 € 7 491In Stock	Mfr. Part No. TBU-DT085-300-WH Mouser Part No 652-TBU-DT085-300-WH	Bourns	Board Mount Surge Protectors Dual Unidirectional TBU Device Learn More about Bourns tbu dt high speed protectors	Datasheet	7 491In Stock	Cut Tape 2,06 € 1,74 € 1,20 € 0,972 € 0,912 € Reel 0,856 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SURFACT MOUNT GDT 2030-23T-SM-RPLF Bourns 1: 2,34 € 643In Stock 7 000On Order	Mfr. Part No. 2030-23T-SM-RPLF Mouser Part No 652-2030-23T-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SURFACT MOUNT GDT Learn More about Bourns 2030 xxT SM	Datasheet	643In Stock 7 000On Order On Order Ship Dates Mfr. No: 2030-23T-SM-RPLF Stock: 643 Can Dispatch Immediately On Order: 3 000 Expected 19/04/2027 4 000 Expected 29/04/2027 Factory Lead Time: 5 Weeks	Cut Tape 2,34 € 2,16 € 1,76 € 1,62 € View Reel 1,26 € 1,43 € 1,34 € 1,26 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SURFACE MOUNT GDT 2030-42T-SMLF Bourns 1: 2,32 € 501In Stock 1 000Expected 22/03/2027	Mfr. Part No. 2030-42T-SMLF Mouser Part No 652-2030-42T-SMLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors MINI TRIGARD SURFACE MOUNT GDT Learn More about Bourns 2030 xxT SM	Datasheet	501In Stock 1 000Expected 22/03/2027	2,32 € 2,14 € 1,78 € 1,64 € View 1,47 € 1,35 € 1,25 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 36V 5kW BIDIR 5.0SMDJ36CA-H Bourns 1: 3,03 € 863In Stock	Mfr. Part No. 5.0SMDJ36CA-H Mouser Part No 652-5.0SMDJ36CA-H	Bourns	ESD Protection Diodes / TVS Diodes 36V 5kW BIDIR Learn More about Bourns 50smdj tvs diodes	Datasheet	863In Stock	Cut Tape 3,03 € 1,97 € 1,64 € 1,40 € Reel 0,998 € View 1,19 € 0,946 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500
Varistors CHIP GUARD 24VOLT CG0402MLU-24G Bourns 1: 0,241 € 8 061In Stock	Mfr. Part No. CG0402MLU-24G Mouser Part No 652-CG0402MLU-24G	Bourns	Varistors CHIP GUARD 24VOLT Learn More about Bourns gdt	Datasheet	8 061In Stock	Cut Tape 0,241 € 0,15 € 0,118 € 0,112 € Reel 0,093 € View 0,107 € 0,101 € 0,099 € 0,092 € MouseReel Available	Min.: 1 Mult.: 1 : 10 000
Varistors Chip Guard 0603 12 Volts CG0603MLC-12LEA Bourns 1: 0,241 € 6 922In Stock	Mfr. Part No. CG0603MLC-12LEA Mouser Part No 652-CG0603MLC-12LEA	Bourns	Varistors Chip Guard 0603 12 Volts Learn More about Bourns mlc protectors	Datasheet	6 922In Stock	Cut Tape 0,241 € 0,15 € 0,118 € 0,112 € Reel 0,101 € View 0,107 € 0,101 € 0,094 € 0,093 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000
Varistors CHIP GUARD CG0603MLC-24LEA Bourns 1: 0,241 € 12 617In Stock	Mfr. Part No. CG0603MLC-24LEA Mouser Part No 652-CG0603MLC-24LEA	Bourns	Varistors CHIP GUARD Learn More about Bourns mlc protectors	Datasheet	12 617In Stock	Cut Tape 0,241 € 0,15 € 0,118 € 0,112 € Reel 0,101 € View 0,107 € 0,101 € 0,097 € MouseReel Available	Min.: 1 Mult.: 1 : 5 000

Gas Discharge Tube for RS-485 Ports

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Gas Discharge Tube for RS-485 Ports

Types of Circuit Protection