Circuit Protection – Mouser Japan

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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.

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Types of Circuit Protection

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Results: 190

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Part #

Resettable Fuses - PPTC 6V 5.0A-HD 50A MAX

1206L500SL-VWR
Littelfuse
1: ¥446.8
8,000In Stock

Mfr. Part #
1206L500SL-VWR

Mouser Part #
576-1206L500SL-VWR

Littelfuse

Resettable Fuses - PPTC 6V 5.0A-HD 50A MAX

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Datasheet

8,000In Stock

Cut Tape

¥446.8

¥370.4

¥342.2

¥284

View

Reel

¥199.3

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD

1206L600SLWR
Littelfuse
1: ¥428.5
5,769In Stock

Mfr. Part #
1206L600SLWR

Mouser Part #
576-1206L600SLWR

Littelfuse

Resettable Fuses - PPTC 6V 6.0A-HD 50A SMD

Learn More

Datasheet

5,769In Stock

Cut Tape

¥428.5

¥353.8

¥327.2

¥272.4

View

Reel

¥187.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A

1210L350SLWR
Littelfuse
1: ¥418.6
5,412In Stock

Mfr. Part #
1210L350SLWR

Mouser Part #
576-1210L350SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 3.5A

Learn More

Datasheet

5,412In 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 9.0A-HD 50A SMD

1210L900SLPR
Littelfuse
1: ¥418.6
5,492In Stock

Mfr. Part #
1210L900SLPR

Mouser Part #
576-1210L900SLPR

Littelfuse

Resettable Fuses - PPTC 6V 9.0A-HD 50A SMD

Learn More

Datasheet

5,492In Stock

Cut Tape

¥418.6

¥348.8

¥318.9

¥265.8

View

Reel

¥192.7

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD

1812L300/24SLER
Littelfuse
1: ¥418.6
7,360In Stock
12,500Expected 1/21/2027

Mfr. Part #
1812L300/24SLER

Mouser Part #
576-1812L300/24SLER

Littelfuse

Resettable Fuses - PPTC 24V 3.0A-HD 50A SMD

Learn More

Datasheet

7,360In Stock

12,500Expected 1/21/2027

Cut Tape

¥418.6

¥348.8

¥318.9

¥265.8

View

Reel

¥192.7

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX

2920L600/24SLER
Littelfuse
1: ¥584.7
2,244In Stock
4,898Expected 8/28/2026

Mfr. Part #
2920L600/24SLER

Mouser Part #
576-2920L600/24SLER

Littelfuse

Resettable Fuses - PPTC 24V 6.0A-HD 100A MAX

Learn More

Datasheet

2,244In Stock

4,898Expected 8/28/2026

Cut Tape

¥584.7

¥485

¥446.8

¥372.1

View

Reel

¥282.4

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

SMAJ12CA
Littelfuse
1: ¥74.7
60,603In Stock
40,000Expected 9/30/2026

Mfr. Part #
SMAJ12CA

Mouser Part #
576-SMAJ12CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Bi-Directional

Learn More

Datasheet

60,603In Stock

40,000Expected 9/30/2026

Cut Tape

¥74.7

¥42.5

¥31.9

¥26.4

Reel

¥16.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

SMAJ14A
Littelfuse
1: ¥71.4
33,827In Stock

Mfr. Part #
SMAJ14A

Mouser Part #
576-SMAJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 14V 5% Uni-Directional

Learn More

Datasheet

33,827In Stock

Cut Tape

¥71.4

¥42.5

¥27.4

¥20.3

View

Reel

¥12.5

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

SMAJ15CA
Littelfuse
1: ¥68.1
74,310In Stock

Mfr. Part #
SMAJ15CA

Mouser Part #
576-SMAJ15CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 15V 5% Bi-Directional

Learn More

Datasheet

74,310In Stock

Cut Tape

¥68.1

¥35.4

¥30.7

¥23.3

View

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 16V 5% Bi-Directional

SMAJ16CA
Littelfuse
1: ¥79.7
17,300In Stock
50,000Expected 10/29/2026

Mfr. Part #
SMAJ16CA

Mouser Part #
576-SMAJ16CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 16V 5% Bi-Directional

Learn More

Datasheet

17,300In Stock

50,000Expected 10/29/2026

Cut Tape

¥79.7

¥37.5

¥31.4

¥23.6

View

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

SMAJ220CA
Littelfuse
1: ¥161.1
8,102In Stock

Mfr. Part #
SMAJ220CA

Mouser Part #
576-SMAJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

Learn More

Datasheet

8,102In Stock

Cut Tape

¥161.1

¥100.8

¥65.3

¥50

Reel

¥35.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

SMAJ22A
Littelfuse
1: ¥78.1
33,029In Stock
40,000Expected 2/9/2027

Mfr. Part #
SMAJ22A

Mouser Part #
576-SMAJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

Learn More

Datasheet

33,029In Stock

40,000Expected 2/9/2027

Cut Tape

¥78.1

¥35.4

¥29.9

¥22.8

Reel

¥13.6

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

SMAJ24A
Littelfuse
1: ¥74.7
47,312In Stock
70,000Expected 1/26/2027

Mfr. Part #
SMAJ24A

Mouser Part #
576-SMAJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Uni-Directional

Learn More

Datasheet

47,312In Stock

70,000Expected 1/26/2027

Cut Tape

¥74.7

¥35.4

¥29.9

¥23.1

View

Reel

¥12.5

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

SMAJ250CA
Littelfuse
1: ¥159.5
7,807In Stock
10,000Expected 11/30/2026

Mfr. Part #
SMAJ250CA

Mouser Part #
576-SMAJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

Learn More

Datasheet

7,807In Stock

10,000Expected 11/30/2026

Cut Tape

¥159.5

¥72.9

¥64.3

¥49.2

View

Reel

¥34.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

SMAJ26CA
Littelfuse
1: ¥76.4
17,104In Stock
50,000Expected 8/24/2026

Mfr. Part #
SMAJ26CA

Mouser Part #
576-SMAJ26CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

Learn More

Datasheet

17,104In Stock

50,000Expected 8/24/2026

Cut Tape

¥76.4

¥37.5

¥32.9

¥24.6

View

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

SMAJ28CA
Littelfuse
1: ¥79.7
27,012In Stock
35,000Expected 2/15/2027

Mfr. Part #
SMAJ28CA

Mouser Part #
576-SMAJ28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

Learn More

Datasheet

27,012In Stock

35,000Expected 2/15/2027

Cut Tape

¥79.7

¥35.4

¥30.2

¥23.3

View

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 300V 5% Bi-Directional

SMAJ300CA
Littelfuse
1: ¥144.5
12,657In Stock
40,000On Order

Mfr. Part #
SMAJ300CA

Mouser Part #
576-SMAJ300CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 300V 5% Bi-Directional

Learn More

Datasheet

12,657In Stock

40,000On Order

Cut Tape

¥144.5

¥68.8

¥51.3

¥42

View

Reel

¥29.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 30V 5% Bi-Directional

SMAJ30CA
Littelfuse
1: ¥66.4
91,245In Stock
155,000On Order

Mfr. Part #
SMAJ30CA

Mouser Part #
576-SMAJ30CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 30V 5% Bi-Directional

Learn More

Datasheet

91,245In Stock

155,000On Order

Cut Tape

¥66.4

¥35.4

¥31.1

¥23.3

¥21.1

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-Directional

SMAJ33A
Littelfuse
1: ¥76.4
41,729In Stock
85,000Expected 11/5/2026

Mfr. Part #
SMAJ33A

Mouser Part #
576-SMAJ33A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 33V 5% Uni-Directional

Learn More

Datasheet

41,729In Stock

85,000Expected 11/5/2026

Cut Tape

¥76.4

¥34.5

¥29.6

¥22.4

Reel

¥15.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

SMAJ350A
Littelfuse
1: ¥146.2
8,400In Stock

Mfr. Part #
SMAJ350A

Mouser Part #
576-SMAJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

Learn More

Datasheet

8,400In Stock

Cut Tape

¥146.2

¥73.1

¥60.8

¥45.8

View

Reel

¥32.4

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-Directional

SMAJ36A
Littelfuse
1: ¥66.4
42,992In Stock
25,000Expected 12/3/2026

Mfr. Part #
SMAJ36A

Mouser Part #
576-SMAJ36A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 36V 5% Uni-Directional

Learn More

Datasheet

42,992In Stock

25,000Expected 12/3/2026

Cut Tape

¥66.4

¥35.4

¥29.1

¥23.1

Reel

¥13.3

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

SMAJ40A
Littelfuse
1: ¥63.1
41,338In Stock

Mfr. Part #
SMAJ40A

Mouser Part #
576-SMAJ40A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

Learn More

Datasheet

41,338In Stock

Cut Tape

¥63.1

¥34.5

¥29.1

¥22.4

Reel

¥13

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 40V 5% Bi-Directional

SMAJ40CA
Littelfuse
1: ¥84.7
74,988In Stock
120,000Expected 11/16/2026

Mfr. Part #
SMAJ40CA

Mouser Part #
576-SMAJ40CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 40V 5% Bi-Directional

Learn More

Datasheet

74,988In Stock

120,000Expected 11/16/2026

Cut Tape

¥84.7

¥37.5

¥32.4

¥24.6

View

Reel

¥14.1

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional

SMAJ5.0CA
Littelfuse
1: ¥74.7
65,385In Stock
135,000On Order

Mfr. Part #
SMAJ5.0CA

Mouser Part #
576-SMAJ5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional

Learn More

Datasheet

65,385In Stock

135,000On Order

Cut Tape

¥74.7

¥35.4

¥28.9

¥23.3

View

Reel

¥14.9

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

SMAJ51A
Littelfuse
1: ¥76.4
27,322In Stock
35,000Expected 1/18/2027

Mfr. Part #
SMAJ51A

Mouser Part #
576-SMAJ51A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

Learn More

Datasheet

27,322In Stock

35,000Expected 1/18/2027

Cut Tape

¥76.4

¥34.5

¥29.6

¥22.4

Reel

¥13.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 5,000