Circuit Protection – Mouser Japan

.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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 8,098

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 #

Surface Mount Fuses 0603 time-lag met-foil. 8A Auto

SF-0603SPA800R-2
Bourns
1: ¥134.5
8,282In Stock

Mfr. Part #
SF-0603SPA800R-2

Mouser Part #
652-SF-0603SPA800R-2

Bourns

Surface Mount Fuses 0603 time-lag met-foil. 8A Auto

Learn More

Datasheet

8,282In Stock

Cut Tape

¥134.5

¥125.4

¥112.1

¥104.8

View

Reel

¥75.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1A 63V FAST ACTING

SF-1206FP100-2
Bourns
1: ¥112.9
13,979In Stock

Mfr. Part #
SF-1206FP100-2

Mouser Part #
652-SF-1206FP100-2

Bourns

Surface Mount Fuses 1A 63V FAST ACTING

Learn More

Datasheet

13,979In Stock

Cut Tape

¥112.9

¥89.9

¥75.7

¥66.4

View

Reel

¥41.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 1A 63V TIME DELAY

SF-1206SP100-2
Bourns
1: ¥99.7
15,520In Stock

Mfr. Part #
SF-1206SP100-2

Mouser Part #
652-SF-1206SP100-2

Bourns

Surface Mount Fuses 1A 63V TIME DELAY

Learn More

Datasheet

15,520In Stock

Cut Tape

¥99.7

¥92.4

¥82.6

¥72.6

View

Reel

¥44.3

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

TISP4030H1BJR-S
Bourns
1: ¥232.5
21,243In Stock

Mfr. Part #
TISP4030H1BJR-S

Mouser Part #
652-TISP4030H1BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 15V (DRM) 500A (IPP) 30V (B

Learn More

Datasheet

21,243In Stock

Cut Tape

¥232.5

¥146.5

¥82.6

¥68.8

Reel

¥60

¥57.8

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Thyristor Surge Protection Devices - TSPD 190V(DRM) 600A (IPP) 250V(B

TISP4250H3BJR-S
Bourns
1: ¥212.6
25,657In Stock

Mfr. Part #
TISP4250H3BJR-S

Mouser Part #
652-TISP4250H3BJR-S

Bourns

Thyristor Surge Protection Devices - TSPD 190V(DRM) 600A (IPP) 250V(B

Learn More

Datasheet

25,657In Stock

Cut Tape

¥212.6

¥142.8

¥94.5

¥73.6

Reel

¥58.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

GDT25-07-S1-RP
Bourns
1: ¥152.8
10,290In Stock

Mfr. Part #
GDT25-07-S1-RP

Mouser Part #
652-GDT25-07-S1-RP

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 7KA 20% 2-POLE SMD

Learn More

Datasheet

10,290In Stock

Cut Tape

¥152.8

¥139.4

¥122.6

¥115.6

Reel

¥92

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

IsoM3-230-B-L2
Bourns
1: ¥244.2
3,145In Stock

Mfr. Part #
IsoM3-230-B-L2

Mouser Part #
652-ISOM3-230-B-L2

Bourns

Varistors IsoMOV 3KA 230Vrms Bulk In-Line

Learn More

Datasheet

3,145In Stock

¥244.2

¥174.4

¥156.5

¥150.8

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

IsoM5-380-B-L2
Bourns
1: ¥367.1
4,027In Stock

Mfr. Part #
IsoM5-380-B-L2

Mouser Part #
652-ISOM5-380-B-L2

Bourns

Varistors IsoMOV 5KA 380Vrms Bulk In-Line

Learn More

Datasheet

4,027In Stock

¥367.1

¥254.1

¥209.3

¥163.9

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

IsoM5-510-B-L2
Bourns
1: ¥350.5
2,950In Stock

Mfr. Part #
IsoM5-510-B-L2

Mouser Part #
652-ISOM5-510-B-L2

Bourns

Varistors IsoMOV 5KA 510Vrms Bulk In-Line

Learn More

Datasheet

2,950In Stock

¥350.5

¥245.8

¥204.3

¥202.6

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

MF-LSMF185X-2
Bourns
1: ¥117.9
8,888In Stock

Mfr. Part #
MF-LSMF185X-2

Mouser Part #
652-MF-LSMF185X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.85/15V

Learn More

Datasheet

8,888In Stock

Cut Tape

¥117.9

¥90.5

¥84.9

¥64.1

View

Reel

¥48.2

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

MF-R250-0-10
Bourns
1: ¥76.4
13,060In Stock

Mfr. Part #
MF-R250-0-10

Mouser Part #
652-MF-R250-0-10

Bourns

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

Learn More

Datasheet

13,060In Stock

¥76.4

¥69.1

¥61

¥56.8

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 240V .16A-HD 2A MAX

MF-RM016/240-2
Bourns
1: ¥76.4
12,192In Stock

Mfr. Part #
MF-RM016/240-2

Mouser Part #
652-MF-RM016/240-2

Bourns

Resettable Fuses - PPTC 240V .16A-HD 2A MAX

Learn More

Datasheet

12,192In Stock

Cut Tape

¥76.4

¥69.1

¥62.1

¥57.6

View

Reel

¥45.2

Min.: 1
Mult.: 1

: 4,000

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: ¥46.5
20,561In Stock

Mfr. Part #
CG0402MLU-24G

Mouser Part #
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

Learn More

Datasheet

20,561In Stock

Cut Tape

¥46.5

¥28.9

¥24.7

¥22.8

View

Reel

¥17.8

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Thermal Cutoffs TRIP TEMP 77C 5C TOL

HC77AY-1
Bourns
1: ¥249.2
3,142In Stock

Mfr. Part #
HC77AY-1

Mouser Part #
652-HC77AY-1

Bourns

Thermal Cutoffs TRIP TEMP 77C 5C TOL

Learn More

Datasheet

3,142In Stock

¥249.2

¥230.9

¥191

¥176.1

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 300Vrms Bulk In-Line

IsoM5-300-B-L2
Bourns
1: ¥347.1
3,918In Stock

Mfr. Part #
IsoM5-300-B-L2

Mouser Part #
652-ISOM5-300-B-L2

Bourns

Varistors IsoMOV 5KA 300Vrms Bulk In-Line

Learn More

Datasheet

3,918In Stock

¥347.1

¥244.2

¥202.6

¥192.7

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: ¥360.4
5,065In Stock

Mfr. Part #
IsoM5-420-B-L2

Mouser Part #
652-ISOM5-420-B-L2

Bourns

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

Learn More

Datasheet

5,065In Stock

¥360.4

¥247.5

¥202.6

¥163.9

View

Min.: 1
Mult.: 1

Thermal Cutoffs TRIP TEMP 72C 5C TOL

LC72AY-1
Bourns
1: ¥172.7
2,486In Stock

Mfr. Part #
LC72AY-1

Mouser Part #
652-LC72AY-1

Bourns

Thermal Cutoffs TRIP TEMP 72C 5C TOL

Learn More

Datasheet

2,486In Stock

¥172.7

¥163.3

¥153.1

¥129.6

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/15V

MF-LSMF200X-2
Bourns
1: ¥117.9
13,410In Stock

Mfr. Part #
MF-LSMF200X-2

Mouser Part #
652-MF-LSMF200X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/15V

Learn More

Datasheet

13,410In Stock

Cut Tape

¥117.9

¥90.5

¥84.9

¥64.1

View

Reel

¥50.2

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

MF-LSMF300X-2
Bourns
1: ¥154.5
7,590In Stock

Mfr. Part #
MF-LSMF300X-2

Mouser Part #
652-MF-LSMF300X-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

Learn More

Datasheet

7,590In Stock

Cut Tape

¥154.5

¥117.8

¥110.5

¥83.4

View

Reel

¥59.8

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

MF-R250-0-14
Bourns
1: ¥108
7,888In Stock

Mfr. Part #
MF-R250-0-14

Mouser Part #
652-MF-R250-0-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

Learn More

Datasheet

7,888In Stock

¥108

¥81.9

¥76.7

¥58

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

MF-RHT200-2
Bourns
1: ¥124.6
11,279In Stock

Mfr. Part #
MF-RHT200-2

Mouser Part #
652-MF-RHT200-2

Bourns

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

11,279In Stock

Cut Tape

¥124.6

¥95.5

¥89.5

¥67.6

Reel

¥47.3

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

MF-RM025/240-2
Bourns
1: ¥122.9
13,702In Stock

Mfr. Part #
MF-RM025/240-2

Mouser Part #
652-MF-RM025/240-2

Bourns

Resettable Fuses - PPTC 240V .25A-HD 3.5A MAX

Learn More

Datasheet

13,702In Stock

Cut Tape

¥122.9

¥105.5

¥93.7

¥80.4

View

Reel

¥54.5

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC PTC 0.12A 250V RADIAL LEADED TELECOM

MF-RX012/250-2
Bourns
1: ¥81.4
14,614In Stock

Mfr. Part #
MF-RX012/250-2

Mouser Part #
652-MF-RX012/250-2

Bourns

Resettable Fuses - PPTC PTC 0.12A 250V RADIAL LEADED TELECOM

Learn More

Datasheet

14,614In Stock

Cut Tape

¥81.4

¥73.6

¥66.9

¥62

View

Reel

¥36.2

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

MF-RX160/72-0
Bourns
1: ¥54.8
11,291In Stock

Mfr. Part #
MF-RX160/72-0

Mouser Part #
652-MF-RX160/72-0

Bourns

Resettable Fuses - PPTC 72V 1.6A-HD 40A MAX

Learn More

Datasheet

11,291In Stock

¥54.8

¥50

¥46.3

¥44.7

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 1.85A-HD 40A MAX

MF-RX185/72-0
Bourns
1: ¥51.5
12,663In Stock

Mfr. Part #
MF-RX185/72-0

Mouser Part #
652-MF-RX185/72-0

Bourns

Resettable Fuses - PPTC 60V 1.85A-HD 40A MAX

Learn More

Datasheet

12,663In Stock

¥51.5

¥47.2

¥44.8

¥37

Min.: 1
Mult.: 1