Circuit Protection – Mouser Finland

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Circuit Protection Devices

Bourns manufactures and supplies a wide range of circuit protection technologies, including fuses, PTC thermistors, varistors, GDTs, resettable thermal cut-offs, surge protection devices, hybrid protectors, discrete semiconductor solutions, and more. Reliable surge protection is a critical design consideration to help ensure operational reliability of consumer electronics, industrial/communication equipment, automotive, battery charging, energy storage infrastructure, and renewable energy harvesting ecosystems.

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Types of Circuit Protection

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Results: 8 098

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RoHS Compliant

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Part #

ESD Protection Diodes / TVS Diodes SMAJ - A 6V

SMAJ6.0A-Q
Bourns
1: 0,464 €
8 764In Stock
20 000Expected 18/11/2026

Mfr. Part No.
SMAJ6.0A-Q

Mouser Part No
652-SMAJ6.0A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMAJ - A 6V

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Datasheet

8 764In Stock

20 000Expected 18/11/2026

Cut Tape

0,464 €

0,286 €

0,182 €

0,146 €

Reel

0,09 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes SMBJ - A 120V

SMBJ120A-QH
Bourns
1: 0,602 €
1 778In Stock

Mfr. Part No.
SMBJ120A-QH

Mouser Part No
652-SMBJ120A-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - A 120V

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Datasheet

1 778In Stock

Cut Tape

0,602 €

0,369 €

0,237 €

0,18 €

Reel

0,136 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

ESD Protection Diodes / TVS Diodes SMBJ - CA 120V

SMBJ120CA-QH
Bourns
1: 0,748 €
22In Stock
2 000Expected 06/01/2027

Mfr. Part No.
SMBJ120CA-QH

Mouser Part No
652-SMBJ120CA-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - CA 120V

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Datasheet

22In Stock

2 000Expected 06/01/2027

Cut Tape

0,748 €

0,463 €

0,299 €

0,23 €

Reel

0,177 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 2 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 3POLE 200VOLT

2026-20-C2FLF
Bourns
1: 3,46 €
391In Stock
End of Life

Mfr. Part No.
2026-20-C2FLF

Mouser Part No
652-2026-20-C2FLF

End of Life

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 3POLE 200VOLT

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Datasheet

391In Stock

3,46 €

2,90 €

2,32 €

1,96 €

View

Min.: 1
Mult.: 1

Industrial Surge Protectors L/L 28vdc L/G 28vdc DIN-1 Clamp

1820-28-A1
Bourns
1: 110,36 €
10In Stock

Mfr. Part No.
1820-28-A1

Mouser Part No
652-1820-28-A1

Bourns

Industrial Surge Protectors L/L 28vdc L/G 28vdc DIN-1 Clamp

Datasheet

10In Stock

110,36 €

90,53 €

89,29 €

89,17 €

89,16 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 10.5V

1.5SMC6.8CA-Q
Bourns
1: 1,09 €
18 200In Stock

Mfr. Part No.
1.5SMC6.8CA-Q

Mouser Part No
652-1.5SMC6.8CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 10.5V

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Datasheet

18 200In Stock

Cut Tape

1,09 €

0,683 €

0,449 €

0,35 €

Reel

0,274 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts 3E RAD GDT 6X8mm DIA

2056-09-B3LF
Bourns
1: 1,22 €
1 746In Stock

Mfr. Part No.
2056-09-B3LF

Mouser Part No
652-2056-09-B3LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts 3E RAD GDT 6X8mm DIA

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Datasheet

1 746In Stock

1,22 €

1,13 €

0,877 €

0,846 €

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1200V

2089-120-BLF
Bourns
1: 0,972 €
1 431In Stock

Mfr. Part No.
2089-120-BLF

Mouser Part No
652-2089-120-BLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1200V

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Datasheet

1 431In Stock

0,972 €

0,894 €

0,74 €

0,683 €

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1600V HV Axial GDT

2089-160-BLF
Bourns
1: 0,972 €
1 439In Stock

Mfr. Part No.
2089-160-BLF

Mouser Part No
652-2089-160-BLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 05.5x6mm, 1600V HV Axial GDT

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Datasheet

1 439In Stock

0,972 €

0,894 €

0,74 €

0,683 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIO TVS VWM 5.0V 5kW BIDIR SMC AECQ

5.0SMDJ5.0CA-QH
Bourns
1: 3,29 €
908In Stock

Mfr. Part No.
5.0SMDJ5.0CA-QH

Mouser Part No
652-5.0SMDJ5.0CA-QH

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 5.0V 5kW BIDIR SMC AECQ

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Datasheet

908In Stock

Cut Tape

3,29 €

2,15 €

1,68 €

Reel

1,41 €

1,20 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

Varistors AVHT AUTO SERIES 17V

AV17K2220122NIR1HT
Bourns
1: 1,44 €
6 205In Stock

Mfr. Part No.
AV17K2220122NIR1HT

Mouser Part No
652-AV17K2220122NI1H

Bourns

Varistors AVHT AUTO SERIES 17V

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Datasheet

6 205In Stock

Cut Tape

1,44 €

1,05 €

0,937 €

0,81 €

Reel

0,639 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 1 000

Resettable Fuses - PPTC Ceramic PTC

CMF-SDP25-2
Bourns
1: 1,10 €
6 950In Stock

Mfr. Part No.
CMF-SDP25-2

Mouser Part No
652-CMF-SDP25-2

Bourns

Resettable Fuses - PPTC Ceramic PTC

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Datasheet

6 950In Stock

Cut Tape

1,10 €

0,989 €

0,775 €

0,708 €

Reel

0,708 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 350

Varistors CV 275 K 10 B L1

CV275K10BL1
Bourns
1: 1,45 €
14 267In Stock

Mfr. Part No.
CV275K10BL1

Mouser Part No
652-CV275K10BL1

Bourns

Varistors CV 275 K 10 B L1

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Datasheet

14 267In Stock

1,45 €

0,894 €

0,592 €

0,553 €

View

Min.: 1
Mult.: 1

Varistors CV 300 K 14 B L1

CV300K14BL1
Bourns
1: 2,02 €
6 586In Stock

Mfr. Part No.
CV300K14BL1

Mouser Part No
652-CV300K14BL1

Bourns

Varistors CV 300 K 14 B L1

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Datasheet

6 586In Stock

2,02 €

1,26 €

1,12 €

0,955 €

View

Min.: 1
Mult.: 1

Varistors CV 300Vrms 20mm Bulk L1

CV300K20BL1
Bourns
1: 3,49 €
3 856In Stock

Mfr. Part No.
CV300K20BL1

Mouser Part No
652-CV300K20BL1

Bourns

Varistors CV 300Vrms 20mm Bulk L1

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Datasheet

3 856In Stock

3,49 €

2,21 €

1,57 €

1,32 €

View

Min.: 1
Mult.: 1

Varistors CV+ 275 K 7 B L1

CVQ275K7BL1
Bourns
1: 1,10 €
16 654In Stock

Mfr. Part No.
CVQ275K7BL1

Mouser Part No
652-CVQ275K7BL1

Bourns

Varistors CV+ 275 K 7 B L1

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Datasheet

16 654In Stock

1,10 €

0,53 €

0,428 €

0,391 €

View

Min.: 1
Mult.: 1

Varistors CV+ 300 K 20 B L1

CVQ300K20BL1
Bourns
1: 2,24 €
5 006In Stock

Mfr. Part No.
CVQ300K20BL1

Mouser Part No
652-CVQ300K20BL1

Bourns

Varistors CV+ 300 K 20 B L1

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Datasheet

5 006In Stock

2,24 €

1,67 €

1,51 €

1,31 €

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD

MF-USML200/6-2
Bourns
1: 0,697 €
3 170In Stock

Mfr. Part No.
MF-USML200/6-2

Mouser Part No
652-MF-USML200/6-2

Bourns

Resettable Fuses - PPTC 6V 2.0A-HD 50A SMD

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Datasheet

3 170In Stock

Cut Tape

0,697 €

0,531 €

0,498 €

0,376 €

View

Reel

0,244 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

Varistors 200volts 14mm

MOV-14D201KTR
Bourns
1: 0,327 €
6 405In Stock

Mfr. Part No.
MOV-14D201KTR

Mouser Part No
652-MOV-14D201KTR

Bourns

Varistors 200volts 14mm

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Datasheet

6 405In Stock

Cut Tape

0,327 €

0,20 €

0,172 €

0,159 €

Reel

0,142 €

View

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 12V 400W UniDir

P4SMA12A
Bourns
1: 0,43 €
17 142In Stock

Mfr. Part No.
P4SMA12A

Mouser Part No
652-P4SMA12A

Bourns

ESD Protection Diodes / TVS Diodes 12V 400W UniDir

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Datasheet

17 142In Stock

Cut Tape

0,43 €

0,20 €

0,164 €

0,13 €

Reel

0,084 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 18V 400W BiDir

P4SMA18CA
Bourns
1: 0,482 €
10 736In Stock

Mfr. Part No.
P4SMA18CA

Mouser Part No
652-P4SMA18CA

Bourns

ESD Protection Diodes / TVS Diodes 18V 400W BiDir

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Datasheet

10 736In Stock

Cut Tape

0,482 €

0,223 €

0,187 €

0,146 €

Reel

0,095 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 300V 400W BiDir

P4SMA300CA
Bourns
1: 0,757 €
4 579In Stock

Mfr. Part No.
P4SMA300CA

Mouser Part No
652-P4SMA300CA

Bourns

ESD Protection Diodes / TVS Diodes 300V 400W BiDir

Learn More

Datasheet

4 579In Stock

Cut Tape

0,757 €

0,47 €

0,304 €

0,233 €

View

Reel

0,151 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 33V 400W BiDir

P4SMA33CA
Bourns
1: 0,464 €
14 858In Stock

Mfr. Part No.
P4SMA33CA

Mouser Part No
652-P4SMA33CA

Bourns

ESD Protection Diodes / TVS Diodes 33V 400W BiDir

Learn More

Datasheet

14 858In Stock

Cut Tape

0,464 €

0,143 €

0,12 €

0,095 €

Reel

0,077 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 33V 600W BIIDIR SMB AECQ

P6SMB33CA-Q
Bourns
1: 0,619 €
8 300In Stock

Mfr. Part No.
P6SMB33CA-Q

Mouser Part No
652-P6SMB33CA-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 33V 600W BIIDIR SMB AECQ

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Datasheet

8 300In Stock

Cut Tape

0,619 €

0,298 €

0,244 €

0,186 €

Reel

0,142 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Board Mount Surge Protectors 200mA 850Vimp

P850-G200-WH
Bourns
1: 1,75 €
984In Stock

Mfr. Part No.
P850-G200-WH

Mouser Part No
652-P850-G200-WH

Bourns

Board Mount Surge Protectors 200mA 850Vimp

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Datasheet

Product Comments

984In Stock

Cut Tape

1,75 €

1,24 €

1,08 €

0,937 €

View

Reel

0,869 €

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Circuit Protection Devices

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