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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.

All Results (8,016)

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Part #

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D330KKTR
Bourns
1: ¥84.7
5,217In Stock

Mfr. Part #
MOV-07D330KKTR

Mouser Part #
652-MOV-07D330KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

5,217In Stock

Cut Tape

¥84.7

¥54.5

¥34.1

¥28.6

Reel

¥16.9

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MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

MOV-07D621KKTR
Bourns
1: ¥88
2,922In Stock

Mfr. Part #
MOV-07D621KKTR

Mouser Part #
652-MOV-07D621KKTR

Bourns

Varistors 7mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

2,922In Stock

Cut Tape

¥88

¥56.3

¥35

¥29.6

Reel

¥18.3

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MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

MOV-10D121KKTR
Bourns
1: ¥109.6
1,569In Stock

Mfr. Part #
MOV-10D121KKTR

Mouser Part #
652-MOV-10D121KKTR

Bourns

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

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Datasheet

1,569In Stock

Cut Tape

¥109.6

¥64.9

¥40.5

¥36.7

Reel

¥26.7

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MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

MOV-10D271KKTR
Bourns
1: ¥104.6
1,749In Stock

Mfr. Part #
MOV-10D271KKTR

Mouser Part #
652-MOV-10D271KKTR

Bourns

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

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Datasheet

1,749In Stock

Cut Tape

¥104.6

¥62.1

¥38.5

¥34.5

Reel

¥25.4

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Min.: 1
Mult.: 1

: 1,000

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

MOV-10D331KKTR
Bourns
1: ¥104.6
1,819In Stock

Mfr. Part #
MOV-10D331KKTR

Mouser Part #
652-MOV-10D331KKTR

Bourns

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

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Datasheet

1,819In Stock

Cut Tape

¥104.6

¥62.1

¥38.5

¥34.5

Reel

¥25.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

MOV-10D361KKTR
Bourns
1: ¥104.6
3,499In Stock

Mfr. Part #
MOV-10D361KKTR

Mouser Part #
652-MOV-10D361KKTR

Bourns

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

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Datasheet

3,499In Stock

Cut Tape

¥104.6

¥62.1

¥38.5

¥34.5

Reel

¥25.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D361KKTR
Bourns
1: ¥139.5
5,632In Stock

Mfr. Part #
MOV-14D361KKTR

Mouser Part #
652-MOV-14D361KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

5,632In Stock

Cut Tape

¥139.5

¥84

¥52.8

¥46.3

Reel

¥39.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

MOV-14D621KKTR
Bourns
1: ¥187.7
4,466In Stock

Mfr. Part #
MOV-14D621KKTR

Mouser Part #
652-MOV-14D621KKTR

Bourns

Varistors 14mm Radial Disc MOV - Kinked Leads, T&R

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Datasheet

4,466In Stock

Cut Tape

¥187.7

¥113.3

¥72.3

¥63.9

Reel

¥54.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 400

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

MOV-20D101KKTR
Bourns
1: ¥230.9
3,249In Stock

Mfr. Part #
MOV-20D101KKTR

Mouser Part #
652-MOV-20D101KKTR

Bourns

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

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Datasheet

3,249In Stock

Cut Tape

¥230.9

¥141.2

¥99

Reel

¥91.9

¥78.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

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

MOV-20D621KKTR
Bourns
1: ¥294
2,026In Stock
12,000On Order

Mfr. Part #
MOV-20D621KKTR

Mouser Part #
652-MOV-20D621KKTR

Bourns

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

Learn More

Datasheet

2,026In Stock

12,000On Order

Cut Tape

¥294

¥181

¥124.4

Reel

¥116.1

¥102.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

ESD Protection Diodes / TVS Diodes SM8S - CA 28V

SM8S28CA-Q
Bourns
1: ¥634.5
2,250Expected 1/28/2027

Mfr. Part #
SM8S28CA-Q

Mouser Part #
652-SM8S28CA-Q

Bourns

ESD Protection Diodes / TVS Diodes SM8S - CA 28V

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Datasheet

2,250Expected 1/28/2027

Cut Tape

¥634.5

¥415.3

¥323.9

¥274.1

Reel

¥230.9

¥204.3

MouseReel Available

Min.: 1
Mult.: 1

: 750

Thermal Cutoffs TCO, High Current, SMD, 72C, Self Hold AEC-Q200

SD72ABB
Bourns
1: ¥448.5
254In Stock
4,000Expected 8/7/2026

Mfr. Part #
SD72ABB

Mouser Part #
652-SD72ABB

Bourns

Thermal Cutoffs TCO, High Current, SMD, 72C, Self Hold AEC-Q200

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Datasheet

254In Stock

4,000Expected 8/7/2026

Cut Tape

¥448.5

¥388.7

¥313.9

¥265.8

View

Reel

¥169.4

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Industrial Surge Protectors AC SPD, 2W-G,275VAC

1250A-2S-230
Bourns
1: ¥27,110.8
76In Stock

Mfr. Part #
1250A-2S-230

Mouser Part #
652-1250A-2S-230

Bourns

Industrial Surge Protectors AC SPD, 2W-G,275VAC

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Datasheet

76In Stock

¥27,110.8

¥23,959.9

¥23,928.4

Quote

Min.: 1
Mult.: 1

NTC Thermistors 10 dia Power NTC 2.5ohm Y kink bulk

BN-LG10Y2R5MYB
Bourns
1: ¥98
4,859In Stock

Mfr. Part #
BN-LG10Y2R5MYB

Mouser Part #
652-BN-LG10Y2R5MYB

Bourns

NTC Thermistors 10 dia Power NTC 2.5ohm Y kink bulk

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Datasheet

4,859In Stock

¥98

¥76.4

¥65.8

¥54.1

View

Min.: 1
Mult.: 1

NTC Thermistors 20 dia Power NTC 6ohm Y kink bulk

BN-LG20Y6R0MYB
Bourns
1: ¥259.1
1,432In Stock

Mfr. Part #
BN-LG20Y6R0MYB

Mouser Part #
652-BN-LG20Y6R0MYB

Bourns

NTC Thermistors 20 dia Power NTC 6ohm Y kink bulk

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Datasheet

1,432In Stock

¥259.1

¥217.6

¥181

¥171.1

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 15A

PF-KT1-15
Bourns
1: ¥4,926.5
297In Stock

Mfr. Part #
PF-KT1-15

Mouser Part #
652-PF-KT1-15

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 15A

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Datasheet

297In Stock

¥4,926.5

¥3,616

¥2,964.9

¥2,772.2

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 20.3V

1.5SMC11CA-Q
Bourns
1: ¥210.9
35,513In Stock

Mfr. Part #
1.5SMC11CA-Q

Mouser Part #
652-1.5SMC11CA-Q

Bourns

ESD Protection Diodes / TVS Diodes 1.5SMC - CA 20.3V

Learn More

Datasheet

35,513In Stock

Cut Tape

¥210.9

¥131.9

¥86.7

¥67.6

Reel

¥53

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 16V 1500W UniDir

1.5SMC16A
Bourns
1: ¥114.6
16,366In Stock

Mfr. Part #
1.5SMC16A

Mouser Part #
652-1.5SMC16A

Bourns

ESD Protection Diodes / TVS Diodes 16V 1500W UniDir

Learn More

Datasheet

16,366In Stock

Cut Tape

¥114.6

¥75.9

¥55

¥42.4

Reel

¥35

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350volts SMT GDT 4X4.2mm DIA

2053-35-SM-RPLF
Bourns
1: ¥122.9
4,300In Stock

Mfr. Part #
2053-35-SM-RPLF

Mouser Part #
652-2053-35-SM-RPLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350volts SMT GDT 4X4.2mm DIA

Learn More

Datasheet

4,300In Stock

Cut Tape

¥122.9

¥113.1

¥93.8

¥86.5

Reel

¥55.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,700

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2000V LEADED GDT 11.8x17.5mm DIA

2097-200-DLF
Bourns
1: ¥3,486.4
128In Stock

Mfr. Part #
2097-200-DLF

Mouser Part #
652-2097-200-DLF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2000V LEADED GDT 11.8x17.5mm DIA

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Datasheet

128In Stock

¥3,486.4

¥2,893.5

¥2,669.2

¥2,175.9

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ30A
Bourns
1: ¥388.7
5,674In Stock

Mfr. Part #
5.0SMDJ30A

Mouser Part #
652-5.0SMDJ30A

Bourns

ESD Protection Diodes / TVS Diodes 30V 5KW 5% UNI DO-214AB (SMC)

Learn More

Datasheet

5,674In Stock

Cut Tape

¥388.7

¥249.2

¥171.1

¥129.7

Reel

¥115.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 45V 5KW 5% UNI DO-214AB (SMC)

5.0SMDJ45A
Bourns
1: ¥388.7
6,422In Stock

Mfr. Part #
5.0SMDJ45A

Mouser Part #
652-5.0SMDJ45A

Bourns

ESD Protection Diodes / TVS Diodes 45V 5KW 5% UNI DO-214AB (SMC)

Learn More

Datasheet

6,422In Stock

Cut Tape

¥388.7

¥249.2

¥171.1

¥144

Reel

¥115.9

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 60V

5.0SMDJ60A-Q
Bourns
1: ¥310.6
3,666In Stock

Mfr. Part #
5.0SMDJ60A-Q

Mouser Part #
652-5.0SMDJ60A-Q

Bourns

ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 60V

Learn More

Datasheet

3,666In Stock

Cut Tape

¥310.6

¥252.5

¥196

¥169.4

Reel

¥139.4

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors AV AUTO SERIES 14V

AV14K2220122NIR1
Bourns
1: ¥232.5
8,251In Stock

Mfr. Part #
AV14K2220122NIR1

Mouser Part #
652-AV14K2220122NIR1

Bourns

Varistors AV AUTO SERIES 14V

Learn More

Datasheet

8,251In Stock

Cut Tape

¥232.5

¥169.4

¥153.1

¥135.5

Reel

¥115.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors AV AUTO SERIES 30V

AV30K1210401NIR1
Bourns
1: ¥68.1
20,702In Stock

Mfr. Part #
AV30K1210401NIR1

Mouser Part #
652-AV30K1210401NIR1

Bourns

Varistors AV AUTO SERIES 30V

Learn More

Datasheet

20,702In Stock

Cut Tape

¥68.1

¥42.7

¥36.9

¥34.2

Reel

¥29.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Circuit Protection Devices

All Results (8,016)

Circuit Protection

Industrial Automation

Semiconductors

Thermal Management