Circuit Protection – Mouser Finland

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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 33V 5KW 5% BI DO-214AB (SMC) 5.0SMDJ33CA Bourns 1: 2,30 € 8 378In Stock 9 000Expected 24/12/2026	Mfr. Part No. 5.0SMDJ33CA Mouser Part No 652-5.0SMDJ33CA	Bourns	ESD Protection Diodes / TVS Diodes 33V 5KW 5% BI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	8 378In Stock 9 000Expected 24/12/2026	Cut Tape 2,30 € 1,48 € 1,18 € 1,01 € Reel 0,645 € View 0,734 € 0,709 € 0,631 € 0,615 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 33V 5kW BIDIR 5.0SMDJ33CA-H Bourns 1: 2,58 € 1 369In Stock	Mfr. Part No. 5.0SMDJ33CA-H Mouser Part No 652-5.0SMDJ33CA-H	Bourns	ESD Protection Diodes / TVS Diodes 33V 5kW BIDIR Learn More about Bourns 50smdj tvs diodes	Datasheet	1 369In Stock	Cut Tape 2,58 € 1,67 € 1,28 € 1,15 € 0,929 € Reel 0,923 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500
ESD Protection Diodes / TVS Diodes 36V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ36A Bourns 1: 2,17 € 7 767In Stock	Mfr. Part No. 5.0SMDJ36A Mouser Part No 652-5.0SMDJ36A	Bourns	ESD Protection Diodes / TVS Diodes 36V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	7 767In Stock	Cut Tape 2,17 € 1,39 € 1,06 € 0,955 € Reel 0,618 € View 0,72 € 0,683 € 0,597 € 0,581 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 36V 5kW 5% Uni-Dir. AEC-Q101 5.0SMDJ36A-Q Bourns 1: 2,61 € 4 569In Stock	Mfr. Part No. 5.0SMDJ36A-Q Mouser Part No 652-5.0SMDJ36A-Q	Bourns	ESD Protection Diodes / TVS Diodes 36V 5kW 5% Uni-Dir. AEC-Q101 Learn More about Bourns 50smdj q	Datasheet	4 569In Stock	Cut Tape 2,61 € 1,69 € 1,30 € 1,15 € Reel 0,742 € View 0,92 € 0,814 € 0,729 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 36V 5KW 5% BI DO-214AB (SMC) 5.0SMDJ36CA Bourns 1: 2,26 € 5 964In Stock	Mfr. Part No. 5.0SMDJ36CA Mouser Part No 652-5.0SMDJ36CA	Bourns	ESD Protection Diodes / TVS Diodes 36V 5KW 5% BI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	5 964In Stock	Cut Tape 2,26 € 1,45 € 1,11 € 0,998 € Reel 0,63 € View 0,719 € 0,694 € 0,615 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 43V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ43A Bourns 1: 2,18 € 5 481In Stock	Mfr. Part No. 5.0SMDJ43A Mouser Part No 652-5.0SMDJ43A	Bourns	ESD Protection Diodes / TVS Diodes 43V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	5 481In Stock	Cut Tape 2,18 € 1,40 € 1,14 € 0,955 € View Reel 0,598 € 0,746 € 0,703 € 0,598 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 43V 5KW 5% BI DO-214AB (SMC) 5.0SMDJ43CA Bourns 1: 2,26 € 3 352In Stock	Mfr. Part No. 5.0SMDJ43CA Mouser Part No 652-5.0SMDJ43CA	Bourns	ESD Protection Diodes / TVS Diodes 43V 5KW 5% BI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	3 352In Stock	Cut Tape 2,26 € 1,45 € 1,11 € 0,998 € Reel 0,65 € View 0,789 € 0,722 € 0,631 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 45V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ45A Bourns 1: 2,17 € 4 329In Stock	Mfr. Part No. 5.0SMDJ45A Mouser Part No 652-5.0SMDJ45A	Bourns	ESD Protection Diodes / TVS Diodes 45V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	4 329In Stock	Cut Tape 2,17 € 1,39 € 1,06 € 0,955 € Reel 0,643 € View 0,746 € 0,683 € 0,597 € 0,591 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 48V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ48A Bourns 1: 2,17 € 14 284In Stock	Mfr. Part No. 5.0SMDJ48A Mouser Part No 652-5.0SMDJ48A	Bourns	ESD Protection Diodes / TVS Diodes 48V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	14 284In Stock	Cut Tape 2,17 € 1,39 € 1,06 € 0,955 € Reel 0,596 € View 0,682 € 0,658 € 0,591 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 5V 5kW UNIDIR SMC 5.0SMDJ5.0A Bourns 1: 2,17 € 5 487In Stock	Mfr. Part No. 5.0SMDJ5.0A Mouser Part No 652-5.0SMDJ5.0A	Bourns	ESD Protection Diodes / TVS Diodes 5V 5kW UNIDIR SMC Learn More about Bourns smxj	Datasheet	5 487In Stock	Cut Tape 2,17 € 1,39 € 1,06 € 0,886 € Reel 0,619 € View 0,746 € 0,703 € 0,613 € 0,591 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 5V 5kW BIDIR SMC 5.0SMDJ5.0CA Bourns 1: 2,26 € 2 204In Stock 6 000Expected 07/07/2027	Mfr. Part No. 5.0SMDJ5.0CA Mouser Part No 652-5.0SMDJ5.0CA	Bourns	ESD Protection Diodes / TVS Diodes 5V 5kW BIDIR SMC Learn More about Bourns smxj	Datasheet	2 204In Stock 6 000Expected 07/07/2027	Cut Tape 2,26 € 1,45 € 1,11 € 0,92 € Reel 0,645 € View 0,713 € 0,69 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 54V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ54A Bourns 1: 2,26 € 13 282In Stock 18 000Expected 24/05/2027	Mfr. Part No. 5.0SMDJ54A Mouser Part No 652-5.0SMDJ54A	Bourns	ESD Protection Diodes / TVS Diodes 54V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	13 282In Stock 18 000Expected 24/05/2027	Cut Tape 2,26 € 1,45 € 1,11 € 0,998 € Reel 0,65 € View 0,789 € 0,722 € 0,633 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 6.5V 5kW UNIDIR SMC 5.0SMDJ6.5A Bourns 1: 2,17 € 2 885In Stock	Mfr. Part No. 5.0SMDJ6.5A Mouser Part No 652-5.0SMDJ6.5A	Bourns	ESD Protection Diodes / TVS Diodes 6.5V 5kW UNIDIR SMC Learn More about Bourns smxj	Datasheet	2 885In Stock	Cut Tape 2,17 € 1,39 € 1,06 € 0,972 € Reel 0,617 € View 0,853 € 0,816 € 0,597 € 0,591 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 6.5V 5kW BIDIR SMC 5.0SMDJ6.5CA Bourns 1: 2,26 € 5 121In Stock	Mfr. Part No. 5.0SMDJ6.5CA Mouser Part No 652-5.0SMDJ6.5CA	Bourns	ESD Protection Diodes / TVS Diodes 6.5V 5kW BIDIR SMC Learn More about Bourns smxj	Datasheet	5 121In Stock	Cut Tape 2,26 € 1,45 € 1,11 € 0,998 € Reel 0,65 € View 0,789 € 0,631 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 60V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ60A Bourns 1: 2,35 € 5 375In Stock 15 000Expected 15/03/2027	Mfr. Part No. 5.0SMDJ60A Mouser Part No 652-5.0SMDJ60A	Bourns	ESD Protection Diodes / TVS Diodes 60V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	5 375In Stock 15 000Expected 15/03/2027	Cut Tape 2,35 € 1,51 € 1,18 € 1,03 € Reel 0,63 € View 0,773 € 0,744 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 64V 5KW 5% UNI DO-214AB (SMC) 5.0SMDJ64A Bourns 1: 2,35 € 4 225In Stock	Mfr. Part No. 5.0SMDJ64A Mouser Part No 652-5.0SMDJ64A	Bourns	ESD Protection Diodes / TVS Diodes 64V 5KW 5% UNI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	4 225In Stock	Cut Tape 2,35 € 1,51 € 1,18 € 1,03 € Reel 0,69 € View 0,812 € 0,744 € 0,65 € 0,627 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 64V 5kW BIDIR SMC 5.0SMDJ64CA Bourns 1: 1,87 € 2 486In Stock 6 000Expected 01/03/2027	Mfr. Part No. 5.0SMDJ64CA Mouser Part No 652-5.0SMDJ64CA	Bourns	ESD Protection Diodes / TVS Diodes 64V 5kW BIDIR SMC Learn More about Bourns smxj	Datasheet	2 486In Stock 6 000Expected 01/03/2027	Cut Tape 1,87 € 1,31 € 1,09 € 0,98 € Reel 0,65 € View 0,789 € 0,744 € 0,64 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 78V 5kW BIDIR SMC 5.0SMDJ78CA Bourns 1: 2,31 € 4 977In Stock 6 000Expected 12/07/2027	Mfr. Part No. 5.0SMDJ78CA Mouser Part No 652-5.0SMDJ78CA	Bourns	ESD Protection Diodes / TVS Diodes 78V 5kW BIDIR SMC Learn More about Bourns smxj	Datasheet	4 977In Stock 6 000Expected 12/07/2027	Cut Tape 2,31 € 1,49 € 1,20 € 1,04 € Reel 0,716 € View 0,813 € 0,811 € 0,65 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 85V 5kW BIDIR SMC 5.0SMDJ85CA Bourns 1: 1,87 € 3 232In Stock	Mfr. Part No. 5.0SMDJ85CA Mouser Part No 652-5.0SMDJ85CA	Bourns	ESD Protection Diodes / TVS Diodes 85V 5kW BIDIR SMC Learn More about Bourns smxj	Datasheet	3 232In Stock	Cut Tape 1,87 € 1,22 € 1,09 € 0,98 € Reel 0,65 € View 0,789 € 0,744 € 0,631 € 0,625 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SOT 143 5V 500W Low Capacitance CD143A-SR05 Bourns 1: 1,37 € 23 760In Stock 27 000Expected 25/02/2027	Mfr. Part No. CD143A-SR05 Mouser Part No 652-CD143A-SR05	Bourns	ESD Protection Diodes / TVS Diodes SOT 143 5V 500W Low Capacitance Learn More about Bourns tvs diode array	Datasheet	23 760In Stock 27 000Expected 25/02/2027	Cut Tape 1,37 € 0,869 € 0,645 € 0,574 € Reel 0,375 € View 0,45 € 0,406 € 0,351 € 0,347 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes Steering Diode Array CD143A-SR05LC Bourns 1: 1,47 € 19 175In Stock	Mfr. Part No. CD143A-SR05LC Mouser Part No 652-CD143A-SR05LC	Bourns	ESD Protection Diodes / TVS Diodes Steering Diode Array Learn More about Bourns cd143a sr05lc diode array	Datasheet	19 175In Stock	Cut Tape 1,47 € 0,92 € 0,731 € 0,617 € View Reel 0,372 € 0,436 € 0,414 € 0,372 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SOT 143 12V 500W Low Capacitance CD143A-SR12 Bourns 1: 1,38 € 9 295In Stock	Mfr. Part No. CD143A-SR12 Mouser Part No 652-CD143A-SR12	Bourns	ESD Protection Diodes / TVS Diodes SOT 143 12V 500W Low Capacitance Learn More about Bourns tvs diode array	Datasheet	9 295In Stock	Cut Tape 1,38 € 0,877 € 0,654 € 0,582 € Reel 0,364 € View 0,457 € 0,414 € 0,358 € 0,347 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SOT 143 2.8V 300W Low Capacitance CD143A-SR2.8 Bourns 1: 1,37 € 18 074In Stock 36 000Expected 11/11/2026	Mfr. Part No. CD143A-SR2.8 Mouser Part No 652-CD143A-SR2.8	Bourns	ESD Protection Diodes / TVS Diodes SOT 143 2.8V 300W Low Capacitance Learn More about Bourns tvs diode array	Datasheet	18 074In Stock 36 000Expected 11/11/2026	Cut Tape 1,37 € 0,869 € 0,645 € 0,568 € Reel 0,376 € View 0,441 € 0,406 € 0,351 € 0,341 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SOT 143 3.3V 300W ESD & Latch up Prot. CD143A-SR3.3 Bourns 1: 1,37 € 35 923In Stock	Mfr. Part No. CD143A-SR3.3 Mouser Part No 652-CD143A-SR3.3	Bourns	ESD Protection Diodes / TVS Diodes SOT 143 3.3V 300W ESD & Latch up Prot. Learn More about Bourns tvs diode array	Datasheet	35 923In Stock	Cut Tape 1,37 € 0,827 € 0,645 € 0,562 € Reel 0,359 € View 0,419 € 0,394 € 0,341 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes SOT 143 37V ESD & Latch up Prot. CD143A-SR70 Bourns 1: 1,45 € 13 029In Stock 33 000Expected 18/11/2026	Mfr. Part No. CD143A-SR70 Mouser Part No 652-CD143A-SR70	Bourns	ESD Protection Diodes / TVS Diodes SOT 143 37V ESD & Latch up Prot. Learn More about Bourns tvs diode array	Datasheet	13 029In Stock 33 000Expected 18/11/2026	Cut Tape 1,45 € 0,92 € 0,684 € 0,609 € Reel 0,366 € View 0,433 € 0,406 € 0,352 € 0,347 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000

Gas Discharge Tube for RS-485 Ports

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Gas Discharge Tube for RS-485 Ports

Types of Circuit Protection