Circuit Protection – Mouser United Kingdom

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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: 211

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Part #

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

0805L300SLWR
Littelfuse
1: £1.43
3,418In Stock

Mfr. Part No.
0805L300SLWR

Mouser Part No
576-0805L300SLWR

Littelfuse

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

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Datasheet

3,418In Stock

Cut Tape

£1.43

£1.32

£1.10

£1.01

Reel

£0.773

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

1206L075SLYR
Littelfuse
1: £1.23
4,254In Stock

Mfr. Part No.
1206L075SLYR

Mouser Part No
576-1206L075SLYR

Littelfuse

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

Learn More

Datasheet

4,254In Stock

Cut Tape

£1.23

£1.13

£0.943

£0.871

View

Reel

£0.625

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.1A

1206L110/12SLYR
Littelfuse
1: £1.94
3,269In Stock

Mfr. Part No.
1206L110/12SLYR

Mouser Part No
576-1206L110/12SLYR

Littelfuse

Resettable Fuses - PPTC 12V POLYFUSE 1206 LoRho SL 1.1A

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Datasheet

3,269In Stock

Cut Tape

£1.94

£1.81

£1.61

£1.34

View

Reel

£0.96

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

1206L110SLYR
Littelfuse
1: £1.23
3,538In Stock

Mfr. Part No.
1206L110SLYR

Mouser Part No
576-1206L110SLYR

Littelfuse

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

Learn More

Datasheet

3,538In Stock

Cut Tape

£1.23

£1.13

£0.943

£0.871

View

Reel

£0.625

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.75A

1206L175SLYR
Littelfuse
1: £1.09
7,164In Stock

Mfr. Part No.
1206L175SLYR

Mouser Part No
576-1206L175SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 1.75A

Learn More

Datasheet

7,164In Stock

Cut Tape

£1.09

£0.986

£0.89

£0.803

View

Reel

£0.625

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

1206L260SLTHYR
Littelfuse
1: £1.23
7,534In Stock

Mfr. Part No.
1206L260SLTHYR

Mouser Part No
576-1206L260SLTHYR

Littelfuse

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

Learn More

Datasheet

7,534In Stock

Cut Tape

£1.23

£1.20

£0.978

£0.882

View

Reel

£0.742

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A

1206L380SLTHYR
Littelfuse
1: £1.18
3,250In Stock

Mfr. Part No.
1206L380SLTHYR

Mouser Part No
576-1206L380SLTHYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.80A

Learn More

Datasheet

3,250In Stock

Cut Tape

£1.18

£0.969

£0.899

£0.78

View

Reel

£0.625

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

1206L500SL-VWR
Littelfuse
1: £1.43
4,452In Stock
6,000Expected 27/04/2026

Mfr. Part No.
1206L500SL-VWR

Mouser Part No
576-1206L500SL-VWR

Littelfuse

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

Learn More

Datasheet

4,452In Stock

6,000Expected 27/04/2026

Cut Tape

£1.43

£1.32

£1.10

£1.01

Reel

£0.773

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL

1210L300SLWR
Littelfuse
1: £1.23
14,407In Stock

Mfr. Part No.
1210L300SLWR

Mouser Part No
576-1210L300SLWR

Littelfuse

Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL

Learn More

Datasheet

14,407In Stock

Cut Tape

£1.23

£1.13

£0.943

£0.871

Reel

£0.663

View

Min.: 1
Mult.: 1

Reel: 3,000

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

1210L350SLWR
Littelfuse
1: £1.43
4,042In Stock

Mfr. Part No.
1210L350SLWR

Mouser Part No
576-1210L350SLWR

Littelfuse

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

Learn More

Datasheet

4,042In Stock

Cut Tape

£1.43

£1.32

£1.10

£1.01

View

Reel

£0.739

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

1812L300/24SLER
Littelfuse
1: £1.63
4,956In Stock
5,000Expected 23/02/2026

Mfr. Part No.
1812L300/24SLER

Mouser Part No
576-1812L300/24SLER

Littelfuse

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

Learn More

Datasheet

4,956In Stock

5,000Expected 23/02/2026

Cut Tape

£1.63

£1.36

£1.26

£1.05

View

Reel

£0.739

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

2920L600/24SLER
Littelfuse
1: £2.44
5,649In Stock

Mfr. Part No.
2920L600/24SLER

Mouser Part No
576-2920L600/24SLER

Littelfuse

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

Learn More

Datasheet

5,649In Stock

Cut Tape

£2.44

£2.02

£1.87

£1.55

View

Reel

£1.16

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes 4.5V 7A 30kV DFN0603 Bi-dir TVS

SC1205-01UTG
Littelfuse
1: £0.30
25,868In Stock

Mfr. Part No.
SC1205-01UTG

Mouser Part No
576-SC1205-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4.5V 7A 30kV DFN0603 Bi-dir TVS

Learn More

Datasheet

25,868In Stock

Cut Tape

£0.30

£0.21

£0.092

£0.089

£0.07

Reel

£0.065

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD

0805L350SLYR
Littelfuse
1: £1.43
852In Stock

Mfr. Part No.
0805L350SLYR

Mouser Part No
576-0805L350SLYR

Littelfuse

Resettable Fuses - PPTC 6V 3.5A-HD 50A SMD

Learn More

Datasheet

852In Stock

Cut Tape

£1.43

£1.32

£1.10

£1.01

View

Reel

£0.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4.50A

1210L450SLWR
Littelfuse
1: £1.69
945In Stock

Mfr. Part No.
1210L450SLWR

Mouser Part No
576-1210L450SLWR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 1210 LoRho SL 4.50A

Learn More

Datasheet

945In Stock

Cut Tape

£1.69

£1.43

£1.32

£1.10

View

Reel

£0.673

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT

1210L500SLWR
Littelfuse
1: £1.85
1,193In Stock

Mfr. Part No.
1210L500SLWR

Mouser Part No
576-1210L500SLWR

Littelfuse

Resettable Fuses - PPTC 6V 5A 1210 POLYFUSE SURF MOUNT

Learn More

Datasheet

1,193In Stock

Cut Tape

£1.85

£1.53

£1.41

£1.17

View

Reel

£0.871

Min.: 1
Mult.: 1

Reel: 3,000

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

1210L600SLWR
Littelfuse
1: £1.43
56In Stock

Mfr. Part No.
1210L600SLWR

Mouser Part No
576-1210L600SLWR

Littelfuse

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

Learn More

Datasheet

56In Stock

Cut Tape

£1.43

£1.32

£1.10

£1.01

View

Reel

£0.739

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional

SMAJ100A
Littelfuse
1: £0.217
5,261In Stock
5,000Expected 14/05/2026

Mfr. Part No.
SMAJ100A

Mouser Part No
576-SMAJ100A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 100V 5% Uni-Directional

Learn More

Datasheet

5,261In Stock

5,000Expected 14/05/2026

Cut Tape

£0.217

£0.134

£0.093

£0.09

£0.078

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional

SMAJ100CA
Littelfuse
1: £0.15
5,354In Stock
5,000Expected 23/04/2026

Mfr. Part No.
SMAJ100CA

Mouser Part No
576-SMAJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 100V 5% Bi-Directional

Learn More

Datasheet

5,354In Stock

5,000Expected 23/04/2026

Cut Tape

£0.15

£0.105

£0.072

£0.068

Reel

£0.064

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional

SMAJ10A
Littelfuse
1: £0.315
14,588In Stock

Mfr. Part No.
SMAJ10A

Mouser Part No
576-SMAJ10A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 10V 5% Uni-Directional

Learn More

Datasheet

14,588In Stock

Cut Tape

£0.315

£0.197

£0.12

£0.094

£0.072

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional

SMAJ10CA
Littelfuse
1: £0.30
9,819In Stock

Mfr. Part No.
SMAJ10CA

Mouser Part No
576-SMAJ10CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 10V 5% Bi-Directional

Learn More

Datasheet

9,819In Stock

Cut Tape

£0.30

£0.132

£0.105

£0.079

£0.072

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional

SMAJ110A
Littelfuse
1: £0.248
5,551In Stock
5,000Expected 29/04/2026

Mfr. Part No.
SMAJ110A

Mouser Part No
576-SMAJ110A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 110V 5% Uni-Directional

Learn More

Datasheet

5,551In Stock

5,000Expected 29/04/2026

Cut Tape

£0.248

£0.165

£0.078

Reel

£0.071

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 110V 5% Bi-Directional

SMAJ110CA
Littelfuse
1: £0.248
2,408In Stock

Mfr. Part No.
SMAJ110CA

Mouser Part No
576-SMAJ110CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 110V 5% Bi-Directional

Learn More

Datasheet

2,408In Stock

Cut Tape

£0.248

£0.165

£0.079

£0.078

Reel

£0.065

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

SMAJ11A
Littelfuse
1: £0.105
10,181In Stock

Mfr. Part No.
SMAJ11A

Mouser Part No
576-SMAJ11A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 11V 5% Uni-Directional

Learn More

Datasheet

10,181In Stock

Cut Tape

£0.105

£0.092

£0.084

£0.08

£0.072

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 11V 5% Bi-Directional

SMAJ11CA
Littelfuse
1: £0.233
8,739In Stock

Mfr. Part No.
SMAJ11CA

Mouser Part No
576-SMAJ11CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 11V 5% Bi-Directional

Learn More

Datasheet

8,739In Stock

Cut Tape

£0.233

£0.158

£0.082

£0.081

£0.076

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Connected Drug Delivery Device Ecosystem Solutions

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