Circuit Protection – Mouser Japan

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

Connected Drug Delivery Device Ecosystem Solutions

Littelfuse features a wide portfolio of products used to build and enhance drug delivery systems. These drug delivery systems include auto-injectors, continuous glucose monitors, insulin pumps, drug delivery pens, and wearable injectors. Products offered by Littelfuse for these applications include detect switches, plunger position sensors, microcontrollers, thermistors, TVS diode arrays, gate drivers, and fuses.

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

Types of Circuit Protection

List Images

Results: 190

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 #

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A

1206L400SLWR
Littelfuse
1: ¥430.2
26,480In Stock

Mfr. Part #
1206L400SLWR

Mouser Part #
576-1206L400SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4A

Learn More

Datasheet

26,480In Stock

Cut Tape

¥430.2

¥355.5

¥328.9

¥313.9

View

Reel

¥191

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL

1210L300SLWR
Littelfuse
1: ¥312.3
17,923In Stock

Mfr. Part #
1210L300SLWR

Mouser Part #
576-1210L300SLWR

Littelfuse

Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL

Learn More

Datasheet

17,923In Stock

Cut Tape

¥312.3

¥287.4

¥237.5

¥215.9

Reel

¥161.3

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 24V 5.0A-HD 50A SMD

2920L500/24SLDR
Littelfuse
1: ¥584.7
11,851In Stock
16,500Expected 9/17/2026

Mfr. Part #
2920L500/24SLDR

Mouser Part #
576-2920L500/24SLDR

Littelfuse

Resettable Fuses - PPTC 24V 5.0A-HD 50A SMD

Learn More

Datasheet

11,851In Stock

16,500Expected 9/17/2026

Cut Tape

¥584.7

¥493.3

¥446.8

¥372.1

View

Reel

¥264.1

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 24V 7.0A-HD 22A SMD

2920L700/24SLER
Littelfuse
1: ¥584.7
14,573In Stock

Mfr. Part #
2920L700/24SLER

Mouser Part #
576-2920L700/24SLER

Littelfuse

Resettable Fuses - PPTC 24V 7.0A-HD 22A SMD

Learn More

Datasheet

14,573In Stock

Cut Tape

¥584.7

¥504.9

¥446.8

¥372.1

View

Reel

¥282.4

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 9V 3A 0603 POLYFUSE SURF MOUNT

0603L300/9SLYR
Littelfuse
1: ¥689.3
5,082In Stock

Mfr. Part #
0603L300/9SLYR

Mouser Part #
576-0603L300/9SLYR

Littelfuse

Resettable Fuses - PPTC 9V 3A 0603 POLYFUSE SURF MOUNT

Learn More

Datasheet

5,082In Stock

Cut Tape

¥689.3

¥571.4

¥526.5

¥436.8

View

Reel

¥332.2

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

0402L010SLKR
Littelfuse
1: ¥509.9
8,642In Stock

Mfr. Part #
0402L010SLKR

Mouser Part #
576-0402L010SLKR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

Learn More

Datasheet

8,642In Stock

Cut Tape

¥509.9

¥450.1

¥415.3

¥398.6

View

Reel

¥239.2

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

0402L020SLKR
Littelfuse
1: ¥446.8
9,541In Stock

Mfr. Part #
0402L020SLKR

Mouser Part #
576-0402L020SLKR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .100A

Learn More

Datasheet

9,541In Stock

Cut Tape

¥446.8

¥375.4

¥348.8

¥294

View

Reel

¥230.9

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Resettable Fuses - PPTC 6V 1.0A-HD 40A SMD

0402L100SLKR
Littelfuse
1: ¥526.5
3,966In Stock

Mfr. Part #
0402L100SLKR

Mouser Part #
576-0402L100SLKR

Littelfuse

Resettable Fuses - PPTC 6V 1.0A-HD 40A SMD

Learn More

Datasheet

3,966In Stock

Cut Tape

¥526.5

¥436.8

¥403.6

¥333.9

View

Reel

¥245.8

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A

0603L100SLYR
Littelfuse
1: ¥312.3
9,290In Stock

Mfr. Part #
0603L100SLYR

Mouser Part #
576-0603L100SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1A

Learn More

Datasheet

9,290In Stock

Cut Tape

¥312.3

¥287.4

¥239.2

¥220.9

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A

0603L150SLYR
Littelfuse
1: ¥312.3
2,818In Stock
8,000Expected 8/28/2026

Mfr. Part #
0603L150SLYR

Mouser Part #
576-0603L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.5A

Learn More

Datasheet

2,818In Stock

8,000Expected 8/28/2026

Cut Tape

¥312.3

¥280.7

¥239.2

¥220.9

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

0603L200SL-VYR
Littelfuse
1: ¥312.3
4,109In Stock

Mfr. Part #
0603L200SL-VYR

Mouser Part #
576-0603L200SL-VYR

Littelfuse

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

Learn More

Datasheet

4,109In Stock

Cut Tape

¥312.3

¥287.4

¥237.5

¥217.6

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 0.75A

0805L075SLYR
Littelfuse
1: ¥260.8
2,866In Stock

Mfr. Part #
0805L075SLYR

Mouser Part #
576-0805L075SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 0.75A

Learn More

Datasheet

2,866In Stock

Cut Tape

¥260.8

¥204.3

¥181

¥172.7

View

Reel

¥133

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.10A

0805L110SLYR
Littelfuse
1: ¥312.3
9,895In Stock

Mfr. Part #
0805L110SLYR

Mouser Part #
576-0805L110SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.10A

Learn More

Datasheet

9,895In Stock

Cut Tape

¥312.3

¥280.7

¥235.9

¥212.6

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A

0805L150SLYR
Littelfuse
1: ¥312.3
4,053In Stock

Mfr. Part #
0805L150SLYR

Mouser Part #
576-0805L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 1.5A

Learn More

Datasheet

4,053In Stock

Cut Tape

¥312.3

¥267.4

¥237.5

¥217.6

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.00A

0805L200SLTHYR
Littelfuse
1: ¥312.3
8,672In Stock

Mfr. Part #
0805L200SLTHYR

Mouser Part #
576-0805L200SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 2.00A

Learn More

Datasheet

8,672In Stock

Cut Tape

¥312.3

¥287.4

¥239.2

¥220.9

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A

0805L300SLWR
Littelfuse
1: ¥436.8
4,830In Stock
9,000Expected 8/28/2026

Mfr. Part #
0805L300SLWR

Mouser Part #
576-0805L300SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0805 LoRho SL 3.00A

Learn More

Datasheet

4,830In Stock

9,000Expected 8/28/2026

Cut Tape

¥436.8

¥362.1

¥335.5

¥277.4

View

Reel

¥196

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A

1206L075SLYR
Littelfuse
1: ¥312.3
6,303In Stock

Mfr. Part #
1206L075SLYR

Mouser Part #
576-1206L075SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 0.75A

Learn More

Datasheet

6,303In Stock

Cut Tape

¥312.3

¥287.4

¥237.5

¥217.6

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.10A

1206L110SLYR
Littelfuse
1: ¥312.3
10,510In Stock

Mfr. Part #
1206L110SLYR

Mouser Part #
576-1206L110SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.10A

Learn More

Datasheet

10,510In Stock

Cut Tape

¥312.3

¥287.4

¥237.5

¥215.9

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

1206L150/12SLYR
Littelfuse
1: ¥534.8
5,212In Stock

Mfr. Part #
1206L150/12SLYR

Mouser Part #
576-1206L150/12SLYR

Littelfuse

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

5,212In Stock

Cut Tape

¥534.8

¥448.5

¥423.6

¥408.6

View

Reel

¥250.8

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

1206L150SLYR
Littelfuse
1: ¥312.3
5,132In Stock

Mfr. Part #
1206L150SLYR

Mouser Part #
576-1206L150SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.50A

Learn More

Datasheet

5,132In Stock

Cut Tape

¥312.3

¥260.8

¥237.5

¥217.6

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2A

1206L200SLYR
Littelfuse
1: ¥312.3
4,175In Stock

Mfr. Part #
1206L200SLYR

Mouser Part #
576-1206L200SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2A

Learn More

Datasheet

4,175In Stock

Cut Tape

¥312.3

¥280.7

¥230.9

¥214.3

View

Reel

¥152.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2.6A

1206L260SLTHYR
Littelfuse
1: ¥312.3
4,045In Stock

Mfr. Part #
1206L260SLTHYR

Mouser Part #
576-1206L260SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 2.6A

Learn More

Datasheet

4,045In Stock

Cut Tape

¥312.3

¥287.4

¥237.5

¥217.6

View

Reel

¥133

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD

1206L400/12SLWR
Littelfuse
1: ¥418.6
5,006In Stock

Mfr. Part #
1206L400/12SLWR

Mouser Part #
576-1206L400/12SLWR

Littelfuse

Resettable Fuses - PPTC 12V 4.0A-HD 50A SMD

Learn More

Datasheet

5,006In Stock

Cut Tape

¥418.6

¥345.5

¥318.9

¥265.8

View

Reel

¥192.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

1206L450SLWR
Littelfuse
1: ¥406.9
3,979In Stock

Mfr. Part #
1206L450SLWR

Mouser Part #
576-1206L450SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 4.50A

Learn More

Datasheet

3,979In Stock

Cut Tape

¥406.9

¥358.8

¥335.5

¥317.3

View

Reel

¥189.4

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

1206L500/12SLPR
Littelfuse
1: ¥418.6
3,779In Stock

Mfr. Part #
1206L500/12SLPR

Mouser Part #
576-1206L500/12SLPR

Littelfuse

Resettable Fuses - PPTC 12V 5.0A-HD 50A SMD

Learn More

Datasheet

3,779In Stock

Cut Tape

¥418.6

¥345.5

¥318.9

¥265.8

View

Reel

¥192.7

MouseReel Available

Min.: 1
Mult.: 1

: 2,000