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 26volts 1.5kW 5% Uni-Dir. AEC-Q101 SMCJ26A-Q Bourns 1: 1,04 € 14 181In Stock	Mfr. Part No. SMCJ26A-Q Mouser Part No 652-SMCJ26A-Q	Bourns	ESD Protection Diodes / TVS Diodes 26volts 1.5kW 5% Uni-Dir. AEC-Q101 Learn More about Bourns smxj q aec q101 tvs diodes	Datasheet	14 181In Stock	Cut Tape 1,04 € 0,481 € 0,426 € 0,33 € Reel 0,259 € View 0,228 € 0,22 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 28volts 5uA 33 Amps Uni-Dir SMCJ28A Bourns 1: 0,80 € 19 084In Stock	Mfr. Part No. SMCJ28A Mouser Part No 652-SMCJ28A	Bourns	ESD Protection Diodes / TVS Diodes 28volts 5uA 33 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	19 084In Stock	Cut Tape 0,80 € 0,367 € 0,324 € 0,249 € Reel 0,175 € View 0,245 € 0,174 € 0,16 € 0,151 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 28volts 5uA 33 Amps Bi-Dir SMCJ28CA Bourns 1: 0,937 € 16 603In Stock	Mfr. Part No. SMCJ28CA Mouser Part No 652-SMCJ28CA	Bourns	ESD Protection Diodes / TVS Diodes 28volts 5uA 33 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	16 603In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,219 € View 0,253 € 0,218 € 0,195 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 300volts 1uA 1 Amps Uni-Dir SMCJ300A Bourns 1: 1,19 € 5 532In Stock	Mfr. Part No. SMCJ300A Mouser Part No 652-SMCJ300A	Bourns	ESD Protection Diodes / TVS Diodes 300volts 1uA 1 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	5 532In Stock	Cut Tape 1,19 € 0,744 € 0,553 € 0,439 € Reel 0,303 € View 0,361 € 0,342 € 0,294 € 0,268 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 30volts 5uA 31 Amps Bi-Dir SMCJ30CA Bourns 1: 0,998 € 9 904In Stock 15 000Expected 30/12/2026	Mfr. Part No. SMCJ30CA Mouser Part No 652-SMCJ30CA	Bourns	ESD Protection Diodes / TVS Diodes 30volts 5uA 31 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	9 904In Stock 15 000Expected 30/12/2026	Cut Tape 0,998 € 0,459 € 0,406 € 0,312 € Reel 0,227 € View 0,273 € 0,221 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 33volts 5uA 28.1 Amps Uni-Dir SMCJ33A Bourns 1: 0,851 € 11 605In Stock	Mfr. Part No. SMCJ33A Mouser Part No 652-SMCJ33A	Bourns	ESD Protection Diodes / TVS Diodes 33volts 5uA 28.1 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	11 605In Stock	Cut Tape 0,851 € 0,39 € 0,344 € 0,263 € Reel 0,173 € View 0,253 € 0,169 € 0,156 € 0,151 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Uni-Dir. AEC-Q101 SMCJ33A-Q Bourns 1: 1,04 € 7 705In Stock	Mfr. Part No. SMCJ33A-Q Mouser Part No 652-SMCJ33A-Q	Bourns	ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Uni-Dir. AEC-Q101 Learn More about Bourns smxj q aec q101 tvs diodes	Datasheet	7 705In Stock	Cut Tape 1,04 € 0,481 € 0,413 € 0,33 € Reel 0,265 € View 0,321 € 0,26 € 0,229 € 0,222 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 33volts 5uA 28.1 Amps Bi-Dir SMCJ33CA Bourns 1: 0,937 € 42 182In Stock 30 000Expected 21/12/2026	Mfr. Part No. SMCJ33CA Mouser Part No 652-SMCJ33CA	Bourns	ESD Protection Diodes / TVS Diodes 33volts 5uA 28.1 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	42 182In Stock 30 000Expected 21/12/2026	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,237 € View 0,261 € 0,208 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Bi-Dir. AEC-Q101 SMCJ33CA-Q Bourns 1: 1,14 € 10 860In Stock	Mfr. Part No. SMCJ33CA-Q Mouser Part No 652-SMCJ33CA-Q	Bourns	ESD Protection Diodes / TVS Diodes 33volts 1.5kW 5% Bi-Dir. AEC-Q101 Learn More about Bourns smxj q aec q101 tvs diodes	Datasheet	10 860In Stock	Cut Tape 1,14 € 0,717 € 0,532 € 0,473 € Reel 0,271 € View 0,326 € 0,304 € 0,259 € 0,245 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 350volts 1uA 1 Amps Uni-Dir SMCJ350A Bourns 1: 1,19 € 12 359In Stock	Mfr. Part No. SMCJ350A Mouser Part No 652-SMCJ350A	Bourns	ESD Protection Diodes / TVS Diodes 350volts 1uA 1 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	12 359In Stock	Cut Tape 1,19 € 0,744 € 0,553 € 0,491 € Reel 0,303 € View 0,383 € 0,332 € 0,287 € 0,263 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 36volts 5uA 25.8 Amps Uni-Dir SMCJ36A Bourns 1: 0,80 € 28 224In Stock	Mfr. Part No. SMCJ36A Mouser Part No 652-SMCJ36A	Bourns	ESD Protection Diodes / TVS Diodes 36volts 5uA 25.8 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	28 224In Stock	Cut Tape 0,80 € 0,334 € 0,291 € 0,229 € 0,224 € Reel 0,147 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Uni-Dir SMCJ40A Bourns 1: 0,80 € 17 254In Stock	Mfr. Part No. SMCJ40A Mouser Part No 652-SMCJ40A	Bourns	ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	17 254In Stock	Cut Tape 0,80 € 0,367 € 0,324 € 0,248 € Reel 0,197 € View 0,173 € 0,157 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Bi-Dir SMCJ40CA Bourns 1: 0,937 € 6 103In Stock	Mfr. Part No. SMCJ40CA Mouser Part No 652-SMCJ40CA	Bourns	ESD Protection Diodes / TVS Diodes 40volts 5uA 23.3 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	6 103In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,205 € View 0,266 € 0,20 € 0,187 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 43volts 5uA 21.6 Amps Bi-Dir SMCJ43CA Bourns 1: 0,937 € 12 659In Stock	Mfr. Part No. SMCJ43CA Mouser Part No 652-SMCJ43CA	Bourns	ESD Protection Diodes / TVS Diodes 43volts 5uA 21.6 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	12 659In Stock	Cut Tape 0,937 € 0,433 € 0,381 € 0,293 € Reel 0,228 € View 0,249 € 0,224 € 0,202 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 45volts 5uA 20.6 Amps Bi-Dir SMCJ45CA Bourns 1: 0,937 € 7 807In Stock 15 000Expected 17/11/2026	Mfr. Part No. SMCJ45CA Mouser Part No 652-SMCJ45CA	Bourns	ESD Protection Diodes / TVS Diodes 45volts 5uA 20.6 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	7 807In Stock 15 000Expected 17/11/2026	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,218 € View 0,276 € 0,213 € 0,208 € 0,192 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 45volts 1.5kW 5% Bi-Dir. AEC-Q101 SMCJ45CA-Q Bourns 1: 1,14 € 7 400In Stock	Mfr. Part No. SMCJ45CA-Q Mouser Part No 652-SMCJ45CA-Q	Bourns	ESD Protection Diodes / TVS Diodes 45volts 1.5kW 5% Bi-Dir. AEC-Q101 Learn More about Bourns smxj q aec q101 tvs diodes	Datasheet	7 400In Stock	Cut Tape 1,14 € 0,717 € 0,532 € 0,473 € Reel 0,271 € View 0,326 € 0,304 € 0,259 € 0,245 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 48volts 5uA 19.4 Amps Bi-Dir SMCJ48CA Bourns 1: 0,937 € 13 305In Stock	Mfr. Part No. SMCJ48CA Mouser Part No 652-SMCJ48CA	Bourns	ESD Protection Diodes / TVS Diodes 48volts 5uA 19.4 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	13 305In Stock	Cut Tape 0,937 € 0,424 € 0,334 € 0,271 € Reel 0,211 € View 0,255 € 0,203 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 5volts 1000uA 163 Amps Bi-Dir SMCJ5.0CA Bourns 1: 0,937 € 12 796In Stock	Mfr. Part No. SMCJ5.0CA Mouser Part No 652-SMCJ5.0CA	Bourns	ESD Protection Diodes / TVS Diodes 5volts 1000uA 163 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	12 796In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,23 € View 0,289 € 0,225 € 0,203 € 0,191 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 54volts 5uA 17.2 Amps Uni-Dir SMCJ54A Bourns 1: 0,851 € 13 204In Stock	Mfr. Part No. SMCJ54A Mouser Part No 652-SMCJ54A	Bourns	ESD Protection Diodes / TVS Diodes 54volts 5uA 17.2 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	13 204In Stock	Cut Tape 0,851 € 0,39 € 0,316 € 0,263 € Reel 0,204 € View 0,253 € 0,179 € 0,174 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 54volts 1.5kW 5% Bi-Dir. AEC-Q101 SMCJ54CA-Q Bourns 1: 1,14 € 5 658In Stock	Mfr. Part No. SMCJ54CA-Q Mouser Part No 652-SMCJ54CA-Q	Bourns	ESD Protection Diodes / TVS Diodes 54volts 1.5kW 5% Bi-Dir. AEC-Q101 Learn More about Bourns smxj q aec q101 tvs diodes	Datasheet	5 658In Stock	Cut Tape 1,14 € 0,717 € 0,532 € 0,473 € Reel 0,29 € View 0,367 € 0,316 € 0,273 € 0,258 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Uni-Dir SMCJ58A Bourns 1: 0,80 € 11 536In Stock	Mfr. Part No. SMCJ58A Mouser Part No 652-SMCJ58A	Bourns	ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Uni-Dir Learn More about Bourns smxj	Datasheet	11 536In Stock	Cut Tape 0,80 € 0,367 € 0,324 € 0,249 € Reel 0,165 € View 0,245 € 0,156 € 0,15 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Bi-Dir SMCJ58CA Bourns 1: 0,937 € 10 398In Stock	Mfr. Part No. SMCJ58CA Mouser Part No 652-SMCJ58CA	Bourns	ESD Protection Diodes / TVS Diodes 58volts 5uA 16 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	10 398In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,23 € View 0,264 € 0,229 € 0,203 € 0,192 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 64volts 5uA 14.6 Amps Bi-Dir SMCJ64CA Bourns 1: 0,937 € 10 099In Stock	Mfr. Part No. SMCJ64CA Mouser Part No 652-SMCJ64CA	Bourns	ESD Protection Diodes / TVS Diodes 64volts 5uA 14.6 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	10 099In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,23 € View 0,267 € 0,224 € 0,203 € 0,192 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 7.5volts 100uA 116.3 Amps Bi-Dir SMCJ7.5CA Bourns 1: 0,937 € 9 138In Stock	Mfr. Part No. SMCJ7.5CA Mouser Part No 652-SMCJ7.5CA	Bourns	ESD Protection Diodes / TVS Diodes 7.5volts 100uA 116.3 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	9 138In Stock	Cut Tape 0,937 € 0,433 € 0,384 € 0,296 € Reel 0,205 € View 0,285 € 0,189 € 0,187 € 0,182 € MouseReel Available	Min.: 1 Mult.: 1 : 3 000
ESD Protection Diodes / TVS Diodes 70volts 5uA 13.3 Amps Bi-Dir SMCJ70CA Bourns 1: 0,937 € 11 354In Stock	Mfr. Part No. SMCJ70CA Mouser Part No 652-SMCJ70CA	Bourns	ESD Protection Diodes / TVS Diodes 70volts 5uA 13.3 Amps Bi-Dir Learn More about Bourns smxj	Datasheet	11 354In Stock	Cut Tape 0,937 € 0,433 € 0,425 € 0,312 € Reel 0,261 € View 0,302 € 0,252 € 0,218 € 0,192 € 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