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 400W 440V 5% Bi-Directional

SMAJ440CA
Littelfuse
1: £0.63
12,281In Stock

Mfr. Part No.
SMAJ440CA

Mouser Part No
576-SMAJ440CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 440V 5% Bi-Directional

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Datasheet

12,281In Stock

Cut Tape

£0.63

£0.365

£0.276

£0.212

View

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ5.0A
Littelfuse
1: £0.18
102,175In Stock

Mfr. Part No.
SMAJ5.0A

Mouser Part No
576-SMAJ5.0A

Littelfuse

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

Learn More

Datasheet

102,175In Stock

Cut Tape

£0.18

£0.134

£0.076

£0.075

View

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 58V 5% Uni-Directional

SMAJ58A
Littelfuse
1: £0.165
47,598In Stock

Mfr. Part No.
SMAJ58A

Mouser Part No
576-SMAJ58A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 58V 5% Uni-Directional

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Datasheet

47,598In Stock

Cut Tape

£0.165

£0.118

£0.078

£0.077

Reel

£0.06

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional

SMAJ58CA
Littelfuse
1: £0.285
31,416In Stock
105,000On Order

Mfr. Part No.
SMAJ58CA

Mouser Part No
576-SMAJ58CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 58V 5% Bi-Directional

Learn More

Datasheet

31,416In Stock

105,000On Order

Cut Tape

£0.285

£0.226

£0.14

£0.11

Reel

£0.074

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional

SMAJ6.0A
Littelfuse
1: £0.12
39,081In Stock

Mfr. Part No.
SMAJ6.0A

Mouser Part No
576-SMAJ6.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6V 5% Uni-Directional

Learn More

Datasheet

39,081In Stock

Cut Tape

£0.12

£0.097

£0.073

£0.072

Reel

£0.057

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Uni-Directional

SMAJ6.5A
Littelfuse
1: £0.248
25,182In Stock

Mfr. Part No.
SMAJ6.5A

Mouser Part No
576-SMAJ6.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Uni-Directional

Learn More

Datasheet

25,182In Stock

Cut Tape

£0.248

£0.111

£0.075

£0.073

Reel

£0.059

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 64V 5% Uni-Directional

SMAJ64A
Littelfuse
1: £0.24
38,378In Stock

Mfr. Part No.
SMAJ64A

Mouser Part No
576-SMAJ64A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 64V 5% Uni-Directional

Learn More

Datasheet

38,378In Stock

Cut Tape

£0.24

£0.163

£0.079

£0.078

£0.072

Reel

£0.053

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 64V 5% Bi-Directional

SMAJ64CA
Littelfuse
1: £0.21
18,529In Stock

Mfr. Part No.
SMAJ64CA

Mouser Part No
576-SMAJ64CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 64V 5% Bi-Directional

Learn More

Datasheet

18,529In Stock

Cut Tape

£0.21

£0.15

£0.079

£0.078

£0.074

Reel

£0.061

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 12V 100W

SP12-01WTG-C-HV
Littelfuse
1: £0.248
124,868In Stock

Mfr. Part No.
SP12-01WTG-C-HV

Mouser Part No
576-SP12-01WTG-C-HV

Littelfuse

ESD Protection Diodes / TVS Diodes 12V 100W

Learn More

Datasheet

124,868In Stock

Cut Tape

£0.248

£0.151

£0.056

£0.052

View

Reel

£0.038

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes 36V 100W

SP36-01WTG-C-HV
Littelfuse
1: £0.173
36,587In Stock

Mfr. Part No.
SP36-01WTG-C-HV

Mouser Part No
576-SP36-01WTG-C-HV

Littelfuse

ESD Protection Diodes / TVS Diodes 36V 100W

Learn More

Datasheet

36,587In Stock

Cut Tape

£0.173

£0.047

£0.039

Reel

£0.039

£0.038

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A

0402L035SLKR
Littelfuse
1: £1.93
8,239In Stock

Mfr. Part No.
0402L035SLKR

Mouser Part No
576-0402L035SLKR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0402 LoRho SL .350A

Learn More

Datasheet

8,239In Stock

Cut Tape

£1.93

£1.63

£1.52

£1.28

View

Reel

£0.986

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.75A

0603L075SLYR
Littelfuse
1: £1.15
3,175In Stock
4,000Expected 26/02/2026

Mfr. Part No.
0603L075SLYR

Mouser Part No
576-0603L075SLYR

Littelfuse

Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 0.75A

Learn More

Datasheet

3,175In Stock

4,000Expected 26/02/2026

Cut Tape

£1.15

£1.10

£0.943

£0.871

View

Reel

£0.625

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

Learn More

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

Learn More

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: £1.23
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

£1.23

£1.08

£0.908

£0.841

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
4,951In Stock
5,000Expected 26/02/2026

Mfr. Part No.
1812L300/24SLER

Mouser Part No
576-1812L300/24SLER

Littelfuse

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

Learn More

Datasheet

4,951In Stock

5,000Expected 26/02/2026

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

Portable Medical Devices & Connected Drug Delivery

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