Circuit Protection – Mouser Japan

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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: 8,016

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RoHS Compliant

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Part #

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

MOV-20D182KK
Bourns
1: ¥485
3,224In Stock

Mfr. Part #
MOV-20D182KK

Mouser Part #
652-MOV-20D182KK

Bourns

Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk

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Datasheet

3,224In Stock

¥485

¥358.8

¥327.2

¥280.7

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Min.: 1
Mult.: 1

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

MOV-20D781KKTR
Bourns
1: ¥342.2
3,974In Stock

Mfr. Part #
MOV-20D781KKTR

Mouser Part #
652-MOV-20D781KKTR

Bourns

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

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Datasheet

3,974In Stock

Cut Tape

¥342.2

¥214.3

¥192.7

¥157.5

Reel

¥147

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MouseReel Available

Min.: 1
Mult.: 1

: 250

Industrial Surge Protectors 75VDC 2W+G

1320-S-75
Bourns
1: ¥26,036.2
167In Stock

Mfr. Part #
1320-S-75

Mouser Part #
652-1320-S-75

Bourns

Industrial Surge Protectors 75VDC 2W+G

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Datasheet

167In Stock

¥26,036.2

¥19,634.7

¥16,203.1

¥15,424

Min.: 1
Mult.: 1

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

2510-2L6-48
Bourns
1: ¥13,773
108In Stock

Mfr. Part #
2510-2L6-48

Mouser Part #
652-2510-2L6-48

Bourns

Industrial Surge Protectors DATA and SIGNAL SPD,2L,110V,Circuit 6

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Datasheet

108In Stock

¥13,773

¥11,472.5

¥10,871.2

¥10,869.6

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Min.: 1
Mult.: 1

Thermal Cutoffs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

SDD5ABB
Bourns
1: ¥428.5
3,814In Stock

Mfr. Part #
SDD5ABB

Mouser Part #
652-SDD5ABB

Bourns

Thermal Cutoffs TCO, High Current, SMD, 135C, Self Hold AEC-Q200

Datasheet

3,814In Stock

Cut Tape

¥428.5

¥387

¥312.3

¥272.4

View

Reel

¥169.4

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors 15 dia Power NTC 2.5ohm Y kink bulk

BN-LG15Y2R5MYB
Bourns
1: ¥157.8
10,234In Stock

Mfr. Part #
BN-LG15Y2R5MYB

Mouser Part #
652-BN-LG15Y2R5MYB

Bourns

NTC Thermistors 15 dia Power NTC 2.5ohm Y kink bulk

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Datasheet

10,234In Stock

¥157.8

¥119.9

¥103.3

¥99.7

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Min.: 1
Mult.: 1

NTC Thermistors 20 dia Power NTC 5ohm Y kink bulk

BN-LG20Y5R0MYB
Bourns
1: ¥225.9
5,880In Stock

Mfr. Part #
BN-LG20Y5R0MYB

Mouser Part #
652-BN-LG20Y5R0MYB

Bourns

NTC Thermistors 20 dia Power NTC 5ohm Y kink bulk

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Datasheet

5,880In Stock

¥225.9

¥194.3

¥157

¥147.7

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Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

PF-KB1-50
Bourns
1: ¥6,511.1
158In Stock

Mfr. Part #
PF-KB1-50

Mouser Part #
652-PF-KB1-50

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A

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Datasheet

158In Stock

¥6,511.1

¥5,401.6

¥3,881.8

¥3,519.7

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 40A

PF-KT1-40
Bourns
1: ¥3,835.2
126In Stock

Mfr. Part #
PF-KT1-40

Mouser Part #
652-PF-KT1-40

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 40A

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Datasheet

126In Stock

¥3,835.2

¥3,315.4

¥3,234

¥3,232.3

Min.: 1
Mult.: 1

NTC Thermistors 13 dia Power NTC 5ohm Y kink bulk

BN-LG13Y5R0MYB
Bourns
1: ¥134.5
11,477In Stock

Mfr. Part #
BN-LG13Y5R0MYB

Mouser Part #
652-BN-LG13Y5R0MYB

Bourns

NTC Thermistors 13 dia Power NTC 5ohm Y kink bulk

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Datasheet

11,477In Stock

¥134.5

¥103.6

¥89.4

¥86.2

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Min.: 1
Mult.: 1

NTC Thermistors 15 dia Power NTC 120ohm Y kink bulk

BN-LG15Y121MYB
Bourns
1: ¥131.2
11,358In Stock

Mfr. Part #
BN-LG15Y121MYB

Mouser Part #
652-BN-LG15Y121MYB

Bourns

NTC Thermistors 15 dia Power NTC 120ohm Y kink bulk

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Datasheet

11,358In Stock

¥131.2

¥112.9

¥103.3

¥96.8

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

P6SMB160A-Q
Bourns
1: ¥116.3
119,948In Stock

Mfr. Part #
P6SMB160A-Q

Mouser Part #
652-P6SMB160A-Q

Bourns

ESD Protection Diodes / TVS Diodes P6SMB - A 160V

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Datasheet

119,948In Stock

Cut Tape

¥116.3

¥71.3

¥45.7

¥34.7

Reel

¥26.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors 100mA 850Vimp

P850-G120-WH
Bourns
1: ¥395.3
24,236In Stock

Mfr. Part #
P850-G120-WH

Mouser Part #
652-P850-G120-WH

Bourns

Board Mount Surge Protectors 100mA 850Vimp

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Datasheet

Product Comments

24,236In Stock

Cut Tape

¥395.3

¥343.8

¥237.5

¥192.7

Reel

¥148.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: ¥725.9
7,519In Stock

Mfr. Part #
PTVS1-029C-H

Mouser Part #
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

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Datasheet

7,519In Stock

Cut Tape

¥725.9

¥504.9

¥433.5

¥420.2

¥383.7

Reel

¥378.7

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 15A 250V FAST ACTING

SF-3812F1500T-2
Bourns
1: ¥606.3
9,935In Stock

Mfr. Part #
SF-3812F1500T-2

Mouser Part #
652-SF-3812F1500T-2

Bourns

Surface Mount Fuses 15A 250V FAST ACTING

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Datasheet

9,935In Stock

Cut Tape

¥606.3

¥508.3

¥398.6

¥353.8

Reel

¥250.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Surface Mount Fuses 20A 250V FAST ACTING

SF-3812F2000T-2
Bourns
1: ¥490
9,961In Stock

Mfr. Part #
SF-3812F2000T-2

Mouser Part #
652-SF-3812F2000T-2

Bourns

Surface Mount Fuses 20A 250V FAST ACTING

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Datasheet

9,961In Stock

Cut Tape

¥490

¥438.5

¥370.4

¥347.1

Reel

¥247.5

View

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

SMLJ22CA
Bourns
1: ¥196
33,746In Stock

Mfr. Part #
SMLJ22CA

Mouser Part #
652-SMLJ22CA

Bourns

ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir

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Datasheet

33,746In Stock

Cut Tape

¥196

¥158.8

¥123.6

¥101.7

Reel

¥76.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC Thermistors 10 dia Power NTC 15ohm Y kink bulk

BN-LG10Y150MYB
Bourns
1: ¥76.4
15,062In Stock

Mfr. Part #
BN-LG10Y150MYB

Mouser Part #
652-BN-LG10Y150MYB

Bourns

NTC Thermistors 10 dia Power NTC 15ohm Y kink bulk

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Datasheet

15,062In Stock

¥76.4

¥65.1

¥56.6

¥48.7

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Min.: 1
Mult.: 1

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

PF-KB1-15
Bourns
1: ¥3,601
144In Stock

Mfr. Part #
PF-KB1-15

Mouser Part #
652-PF-KB1-15

Bourns

Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A

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Datasheet

144In Stock

¥3,601

¥3,210.7

¥3,199.1

¥2,949.9

Min.: 1
Mult.: 1

NTC Thermistors 20 dia Power NTC 2.5ohm Y kink bulk

BN-LG20Y2R5MYB
Bourns
1: ¥259.1
5,473In Stock

Mfr. Part #
BN-LG20Y2R5MYB

Mouser Part #
652-BN-LG20Y2R5MYB

Bourns

NTC Thermistors 20 dia Power NTC 2.5ohm Y kink bulk

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Datasheet

5,473In Stock

¥259.1

¥197.7

¥157

¥147.7

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Min.: 1
Mult.: 1

NTC Thermistors 5 dia Power NTC 5ohm Y kink bulk

BN-LG05Y5R0MYB
Bourns
1: ¥58.1
13,570In Stock

Mfr. Part #
BN-LG05Y5R0MYB

Mouser Part #
652-BN-LG05Y5R0MYB

Bourns

NTC Thermistors 5 dia Power NTC 5ohm Y kink bulk

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Datasheet

13,570In Stock

¥58.1

¥49.5

¥43.5

¥34.9

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Min.: 1
Mult.: 1

NTC Thermistors 20 dia Power NTC 20ohm Y kink bulk

BN-LG20Y200MYB
Bourns
1: ¥259.1
6,193In Stock

Mfr. Part #
BN-LG20Y200MYB

Mouser Part #
652-BN-LG20Y200MYB

Bourns

NTC Thermistors 20 dia Power NTC 20ohm Y kink bulk

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Datasheet

6,193In Stock

¥259.1

¥169.4

¥155

¥139.9

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Min.: 1
Mult.: 1

NTC Thermistors 10 dia Power NTC 16ohm Y kink bulk

BN-LG10Y160MYB
Bourns
1: ¥94.7
9,998In Stock

Mfr. Part #
BN-LG10Y160MYB

Mouser Part #
652-BN-LG10Y160MYB

Bourns

NTC Thermistors 10 dia Power NTC 16ohm Y kink bulk

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Datasheet

9,998In Stock

¥94.7

¥82.7

¥71.9

¥59.5

View

Min.: 1
Mult.: 1

NTC Thermistors 15 dia Power NTC 220ohm Y kink bulk

BN-LG15Y221MYB
Bourns
1: ¥157.8
5,738In Stock
6,250Expected 8/7/2026

Mfr. Part #
BN-LG15Y221MYB

Mouser Part #
652-BN-LG15Y221MYB

Bourns

NTC Thermistors 15 dia Power NTC 220ohm Y kink bulk

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Datasheet

5,738In Stock

6,250Expected 8/7/2026

¥157.8

¥119.9

¥103.3

¥99.7

View

Min.: 1
Mult.: 1

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

PF-KT1-30
Bourns
1: ¥5,708.9
279In Stock

Mfr. Part #
PF-KT1-30

Mouser Part #
652-PF-KT1-30

Bourns

Automotive Fuses POWrFuse TH 275Vac 500Vdc 30A

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Datasheet

279In Stock

¥5,708.9

¥4,735.5

¥3,150.9

¥2,760.6

Min.: 1
Mult.: 1