Circuit Protection – Mouser United Kingdom

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Portable Medical Devices & Connected Drug Delivery

Littelfuse Portable Medical Devices and Connected Drug Delivery Systems feature a range of products ideal for use in wearables, digital hearing aids, insulin pumps, blood pressure monitors, and connected pharmaceutical delivery devices such as auto-injectors and inhalers. Portable and connected devices are changing how medical services are delivered to patients. These connected healthcare products from Littelfuse help lower healthcare costs, improve efficiency, and empower patients.

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Types of Circuit Protection

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Results: 212

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Part #

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

SP3522-01ETG
Littelfuse
1: £0.196
152,269In Stock

Mfr. Part No.
SP3522-01ETG

Mouser Part No
576-SP3522-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882

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Datasheet

152,269In Stock

Cut Tape

£0.196

£0.127

£0.072

£0.071

£0.057

Reel

£0.057

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

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

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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

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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

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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

ESD Protection Diodes / TVS Diodes 400W 120V 5% Bi-Directional

SMAJ120CA
Littelfuse
1: £0.271
4,510In Stock
5,000Expected 26/02/2026

Mfr. Part No.
SMAJ120CA

Mouser Part No
576-SMAJ120CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 120V 5% Bi-Directional

Learn More

Datasheet

4,510In Stock

5,000Expected 26/02/2026

Cut Tape

£0.271

£0.18

£0.128

£0.098

Reel

£0.072

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 130V 5% Uni-Directional

SMAJ130A
Littelfuse
1: £0.165
4,097In Stock
5,000Expected 04/05/2026

Mfr. Part No.
SMAJ130A

Mouser Part No
576-SMAJ130A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 130V 5% Uni-Directional

Learn More

Datasheet

4,097In Stock

5,000Expected 04/05/2026

Cut Tape

£0.165

£0.116

£0.077

Reel

£0.066

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 130V 5% Bi-Directional

SMAJ130CA
Littelfuse
1: £0.248
6,632In Stock

Mfr. Part No.
SMAJ130CA

Mouser Part No
576-SMAJ130CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 130V 5% Bi-Directional

Learn More

Datasheet

6,632In Stock

Cut Tape

£0.248

£0.165

£0.08

£0.079

£0.078

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 13V 5% Uni-Directional

SMAJ13A
Littelfuse
1: £0.173
11,556In Stock

Mfr. Part No.
SMAJ13A

Mouser Part No
576-SMAJ13A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 13V 5% Uni-Directional

Learn More

Datasheet

11,556In Stock

Cut Tape

£0.173

£0.146

£0.092

£0.088

View

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ14A
Littelfuse
1: £0.217
12,659In Stock

Mfr. Part No.
SMAJ14A

Mouser Part No
576-SMAJ14A

Littelfuse

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

Learn More

Datasheet

12,659In Stock

Cut Tape

£0.217

£0.157

£0.075

£0.073

Reel

£0.064

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ14CA
Littelfuse
1: £0.233
7,043In Stock

Mfr. Part No.
SMAJ14CA

Mouser Part No
576-SMAJ14CA

Littelfuse

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

Learn More

Datasheet

7,043In Stock

Cut Tape

£0.233

£0.158

£0.082

£0.075

£0.074

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 150V 5% Bi-Directional

SMAJ150CA
Littelfuse
1: £0.278
6,673In Stock
10,000Expected 14/04/2026

Mfr. Part No.
SMAJ150CA

Mouser Part No
576-SMAJ150CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 150V 5% Bi-Directional

Learn More

Datasheet

6,673In Stock

10,000Expected 14/04/2026

Cut Tape

£0.278

£0.152

£0.123

£0.098

Reel

£0.072

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ15A
Littelfuse
1: £0.225
14,359In Stock
15,000Expected 06/05/2026

Mfr. Part No.
SMAJ15A

Mouser Part No
576-SMAJ15A

Littelfuse

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

Learn More

Datasheet

14,359In Stock

15,000Expected 06/05/2026

Cut Tape

£0.225

£0.183

£0.121

£0.086

£0.072

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ15CA
Littelfuse
1: £0.173
15,147In Stock
14,700Expected 27/03/2026

Mfr. Part No.
SMAJ15CA

Mouser Part No
576-SMAJ15CA

Littelfuse

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

Learn More

Datasheet

15,147In Stock

14,700Expected 27/03/2026

Cut Tape

£0.173

£0.119

£0.078

£0.067

£0.064

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 160V 5% Uni-Directional

SMAJ160A
Littelfuse
1: £0.33
4,458In Stock

Mfr. Part No.
SMAJ160A

Mouser Part No
576-SMAJ160A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 160V 5% Uni-Directional

Learn More

Datasheet

4,458In Stock

Cut Tape

£0.33

£0.207

£0.092

£0.088

Reel

£0.067

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ16A
Littelfuse
1: £0.21
4,076In Stock
10,000On Order

Mfr. Part No.
SMAJ16A

Mouser Part No
576-SMAJ16A

Littelfuse

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

Learn More

Datasheet

4,076In Stock

10,000On Order

Cut Tape

£0.21

£0.153

£0.099

£0.091

Reel

£0.062

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ16CA
Littelfuse
1: £0.188
5,119In Stock
10,000Expected 30/04/2026

Mfr. Part No.
SMAJ16CA

Mouser Part No
576-SMAJ16CA

Littelfuse

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

Learn More

Datasheet

5,119In Stock

10,000Expected 30/04/2026

Cut Tape

£0.188

£0.139

£0.096

£0.086

£0.067

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Portable Medical Devices & Connected Drug Delivery

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