.hide-partial { max-height: none; } .show-more { display: none; }

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.

All Results (8,016)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800volts 3E SMT GDT 7.2X5.0mm DIA

2052-80-SM-RPLF
Bourns
1: ¥317.3
548In Stock

Mfr. Part #
2052-80-SM-RPLF

Mouser Part #
652-2052-80-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800volts 3E SMT GDT 7.2X5.0mm DIA

Learn More

Datasheet

548In Stock

Cut Tape

¥317.3

¥254.1

¥204.3

¥186

View

Reel

¥126.2

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 420volts 3E RAD GDT 6X8mm DIA

2056-42-B2LF
Bourns
1: ¥302.3
307In Stock

Mfr. Part #
2056-42-B2LF

Mouser Part #
652-2056-42-B2LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 420volts 3E RAD GDT 6X8mm DIA

Datasheet

307In Stock

¥302.3

¥240.8

¥199.3

¥177.7

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Steering Diode 4 Line Array

CDSOT236-0502
Bourns
1: ¥144.5
1,615In Stock
30,000Expected 2/22/2027

Mfr. Part #
CDSOT236-0502

Mouser Part #
652-CDSOT236-0502

Bourns

ESD Protection Diodes / TVS Diodes Steering Diode 4 Line Array

Learn More

Datasheet

1,615In Stock

30,000Expected 2/22/2027

Cut Tape

¥144.5

¥89.4

¥57.8

¥44.3

Reel

¥34.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors CG Auto MLV 1206, 180pF AEC-Q200

CGA1206MLA-40181E
Bourns
1: ¥315.6
2,003In Stock

Mfr. Part #
CGA1206MLA-40181E

Mouser Part #
652-CGA1206MLA40181E

Bourns

Varistors CG Auto MLV 1206, 180pF AEC-Q200

Learn More

Datasheet

2,003In Stock

Cut Tape

¥315.6

¥196

¥134

¥125.2

View

Reel

¥80.1

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D220KKTR
Bourns
1: ¥117.9
719In Stock

Mfr. Part #
MOV-10D220KKTR

Mouser Part #
652-MOV-10D220KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

719In Stock

Cut Tape

¥117.9

¥70.8

¥46

¥41.7

Reel

¥25.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

MOV-10D270KKTR
Bourns
1: ¥114.6
24In Stock
2,000Expected 11/23/2026

Mfr. Part #
MOV-10D270KKTR

Mouser Part #
652-MOV-10D270KKTR

Bourns

Varistors 10mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

24In Stock

2,000Expected 11/23/2026

Cut Tape

¥114.6

¥68.4

¥44.2

¥40

Reel

¥23.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes P4SMA - CA 64.1V

P4SMA75CA-Q
Bourns
1: ¥101.3
5,685In Stock

Mfr. Part #
P4SMA75CA-Q

Mouser Part #
652-P4SMA75CA-Q

Bourns

ESD Protection Diodes / TVS Diodes P4SMA - CA 64.1V

Learn More

Datasheet

5,685In Stock

Cut Tape

¥101.3

¥61.8

¥39.4

¥32.7

View

Reel

¥19.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes DIO TVS VBR 18V 600W BIIDIR SMB AECQ

P6SMB18CA-Q
Bourns
1: ¥119.6
5,758In Stock

Mfr. Part #
P6SMB18CA-Q

Mouser Part #
652-P6SMB18CA-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VBR 18V 600W BIIDIR SMB AECQ

Learn More

Datasheet

5,758In Stock

Cut Tape

¥119.6

¥73.4

¥47.2

¥35.9

Reel

¥27.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMAJ - A 6V

SMAJ6.0A-Q
Bourns
1: ¥89.7
8,764In Stock
20,000Expected 10/26/2026

Mfr. Part #
SMAJ6.0A-Q

Mouser Part #
652-SMAJ6.0A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMAJ - A 6V

Learn More

Datasheet

8,764In Stock

20,000Expected 10/26/2026

Cut Tape

¥89.7

¥55.3

¥35.2

¥28.2

Reel

¥17.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes SMBJ - A 120V

SMBJ120A-QH
Bourns
1: ¥116.3
1,778In Stock

Mfr. Part #
SMBJ120A-QH

Mouser Part #
652-SMBJ120A-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - A 120V

Learn More

Datasheet

1,778In Stock

Cut Tape

¥116.3

¥71.3

¥45.7

¥34.7

Reel

¥26.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes SMBJ - CA 120V

SMBJ120CA-QH
Bourns
1: ¥144.5
22In Stock

Mfr. Part #
SMBJ120CA-QH

Mouser Part #
652-SMBJ120CA-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - CA 120V

Learn More

Datasheet

22In Stock

Cut Tape

¥144.5

¥89.4

¥57.8

¥44.3

Reel

¥34.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 64V 1500W UNIDIR SMB 7" REEL

1.5SMBJ64A-H
Bourns
1: ¥182.7
1,268In Stock

Mfr. Part #
1.5SMBJ64A-H

Mouser Part #
652-1.5SMBJ64A-H

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VRWM 64V 1500W UNIDIR SMB 7" REEL

Learn More

Datasheet

1,268In Stock

Cut Tape

¥182.7

¥113.8

¥74.4

Reel

¥57.6

¥52

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes DIO TVS VWM 85V 5kW BIDIR SMC AECQ

5.0SMDJ85CA-QH
Bourns
1: ¥634.5
1,101In Stock

Mfr. Part #
5.0SMDJ85CA-QH

Mouser Part #
652-5.0SMDJ85CA-QH

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 85V 5kW BIDIR SMC AECQ

Learn More

Datasheet

1,101In Stock

Cut Tape

¥634.5

Reel

¥632.8

¥167.8

¥146.2

¥142.3

MouseReel Available

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes SMBJ - CA 170V

SMBJ170CA-QH
Bourns
1: ¥144.5
2,739In Stock

Mfr. Part #
SMBJ170CA-QH

Mouser Part #
652-SMBJ170CA-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - CA 170V

Learn More

Datasheet

2,739In Stock

Cut Tape

¥144.5

¥89.4

¥57.8

¥44.3

Reel

¥36.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300volts AXIAL GDT 5.5X6mm DIA

2057-30-BLF
Bourns
1: ¥146.2
1,022In Stock

Mfr. Part #
2057-30-BLF

Mouser Part #
652-2057-30-BLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300volts AXIAL GDT 5.5X6mm DIA

Learn More

Datasheet

1,022In Stock

¥146.2

¥116.8

¥98.3

¥85.4

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 0.20A 60V 1.5ohm Hold .20 Trip .40

MF-R020-0-D6
Bourns
1: ¥121.3
657In Stock

Mfr. Part #
MF-R020-0-D6

Mouser Part #
652-MF-R020-0-D6

Bourns

Resettable Fuses - PPTC 0.20A 60V 1.5ohm Hold .20 Trip .40

Learn More

Datasheet

657In Stock

¥121.3

¥92.7

¥86.9

¥65.6

View

Min.: 1
Mult.: 1

Varistors 7mm Radial Disc MOV - Kinked Leads, Bulk

MOV-07D201KK
Bourns
1: ¥63.1
1,877In Stock

Mfr. Part #
MOV-07D201KK

Mouser Part #
652-MOV-07D201KK

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, Bulk

Learn More

Datasheet

1,877In Stock

¥63.1

¥51.5

¥27.4

¥21.1

View

Min.: 1
Mult.: 1

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

MOV-20D330KKTR
Bourns
1: ¥275.7
24In Stock

Mfr. Part #
MOV-20D330KKTR

Mouser Part #
652-MOV-20D330KKTR

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, T&R

Learn More

Datasheet

24In Stock

Cut Tape

¥275.7

¥169.4

¥112.1

Reel

¥104.6

¥92.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

ESD Protection Diodes / TVS Diodes 110V 400W BiDir

P4SMA110CA-H
Bourns
1: ¥81.4
6,476In Stock

Mfr. Part #
P4SMA110CA-H

Mouser Part #
652-P4SMA110CA-H

Bourns

ESD Protection Diodes / TVS Diodes 110V 400W BiDir

Learn More

Datasheet

6,476In Stock

Cut Tape

¥81.4

¥55

¥31.2

¥24.6

Reel

¥15.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes SMAJ - A 150V

SMAJ150A-Q
Bourns
1: ¥89.7
2,810In Stock

Mfr. Part #
SMAJ150A-Q

Mouser Part #
652-SMAJ150A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMAJ - A 150V

Learn More

Datasheet

2,810In Stock

Cut Tape

¥89.7

¥55.3

¥35.2

¥28.2

Reel

¥17.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 17volts 400W 5% Uni-Dir. AEC-Q101

SMAJ17A-Q
Bourns
1: ¥89.7
665In Stock

Mfr. Part #
SMAJ17A-Q

Mouser Part #
652-SMAJ17A-Q

Bourns

ESD Protection Diodes / TVS Diodes 17volts 400W 5% Uni-Dir. AEC-Q101

Learn More

Datasheet

665In Stock

Cut Tape

¥89.7

¥55.3

¥35.2

¥28.2

Reel

¥17.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes SMBJ - CA 85V

SMBJ85CA-QH
Bourns
1: ¥124.6
2,118In Stock

Mfr. Part #
SMBJ85CA-QH

Mouser Part #
652-SMBJ85CA-QH

Bourns

ESD Protection Diodes / TVS Diodes SMBJ - CA 85V

Learn More

Datasheet

2,118In Stock

Cut Tape

¥124.6

¥76.4

¥49.2

¥37.5

Reel

¥31.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 250volts 3E SMT GDT 7.2X5.0mm DIA

2052-25-SM-RPLF
Bourns
1: ¥317.3
1,176In Stock

Mfr. Part #
2052-25-SM-RPLF

Mouser Part #
652-2052-25-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 250volts 3E SMT GDT 7.2X5.0mm DIA

Learn More

Datasheet

1,176In Stock

Cut Tape

¥317.3

¥254.1

¥204.3

¥186

View

Reel

¥126.2

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

ESD Protection Diodes / TVS Diodes DIO TVS VWM 30V 600W UNIDIR SMA AECQ

SMA6J30A-Q
Bourns
1: ¥106.3
8,656In Stock

Mfr. Part #
SMA6J30A-Q

Mouser Part #
652-SMA6J30A-Q

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 30V 600W UNIDIR SMA AECQ

Learn More

Datasheet

8,656In Stock

Cut Tape

¥106.3

¥55

¥41

¥31.1

Reel

¥22.3

View

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes SMA6J - A 85V

SMA6J85A-Q
Bourns
1: ¥96.3
362In Stock

Mfr. Part #
SMA6J85A-Q

Mouser Part #
652-SMA6J85A-Q

Bourns

ESD Protection Diodes / TVS Diodes SMA6J - A 85V

Learn More

Datasheet

362In Stock

Cut Tape

¥96.3

¥59.1

¥37.7

¥30.7

Reel

¥18.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management