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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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Part #

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

1210L350SLWR
Littelfuse
1: CHF 2.07
4’912In Stock

Mfr. Part No.
1210L350SLWR

Mouser Part No
576-1210L350SLWR

Littelfuse

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

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Datasheet

4’912In Stock

Cut Tape

CHF 2.07

CHF 1.71

CHF 1.58

CHF 1.31

View

Reel

CHF 0.945

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

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

1210L900SLPR
Littelfuse
1: CHF 2.12
5’492In Stock

Mfr. Part No.
1210L900SLPR

Mouser Part No
576-1210L900SLPR

Littelfuse

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

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Datasheet

5’492In Stock

Cut Tape

CHF 2.12

CHF 1.75

CHF 1.63

CHF 1.35

View

Reel

CHF 0.945

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

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

1812L300/24SLER
Littelfuse
1: CHF 2.12
7’196In Stock
12’500Expected 9/1/2026

Mfr. Part No.
1812L300/24SLER

Mouser Part No
576-1812L300/24SLER

Littelfuse

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

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Datasheet

7’196In Stock

12’500Expected 9/1/2026

Cut Tape

CHF 2.12

CHF 1.75

CHF 1.63

CHF 1.35

View

Reel

CHF 0.945

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

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

2920L600/24SLER
Littelfuse
1: CHF 2.90
6’816In Stock

Mfr. Part No.
2920L600/24SLER

Mouser Part No
576-2920L600/24SLER

Littelfuse

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

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Datasheet

6’816In Stock

Cut Tape

CHF 2.90

CHF 2.41

CHF 2.22

CHF 1.84

View

Reel

CHF 1.37

MouseReel Available

Min.: 1
Mult.: 1

: 2’500

Board Mount Hall Effect/Magnetic Sensors LF22214TMR STD TMD SENS

LF22214TMR
Littelfuse
1: CHF 0.901
8’104In Stock
18’000Expected 9/3/2026

Mfr. Part No.
LF22214TMR

Mouser Part No
576-LF22214TMR

Littelfuse

Board Mount Hall Effect/Magnetic Sensors LF22214TMR STD TMD SENS

Learn More

Datasheet

8’104In Stock

18’000Expected 9/3/2026

Cut Tape

CHF 0.901

CHF 0.761

CHF 0.708

CHF 0.596

View

Reel

CHF 0.401

MouseReel Available

Min.: 1
Mult.: 1

: 3’000

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

SMAJ12CA
Littelfuse
1: CHF 0.362
57’425In Stock
40’000Expected 9/30/2026

Mfr. Part No.
SMAJ12CA

Mouser Part No
576-SMAJ12CA

Littelfuse

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

Learn More

Datasheet

57’425In Stock

40’000Expected 9/30/2026

Cut Tape

CHF 0.362

CHF 0.206

CHF 0.15

CHF 0.119

Reel

CHF 0.078

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ14A
Littelfuse
1: CHF 0.346
33’827In Stock

Mfr. Part No.
SMAJ14A

Mouser Part No
576-SMAJ14A

Littelfuse

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

Learn More

Datasheet

33’827In Stock

Cut Tape

CHF 0.346

CHF 0.206

CHF 0.133

CHF 0.098

View

Reel

CHF 0.06

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ15CA
Littelfuse
1: CHF 0.378
74’440In Stock

Mfr. Part No.
SMAJ15CA

Mouser Part No
576-SMAJ15CA

Littelfuse

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

Learn More

Datasheet

74’440In Stock

Cut Tape

CHF 0.378

CHF 0.182

CHF 0.152

CHF 0.119

Reel

CHF 0.068

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ16CA
Littelfuse
1: CHF 0.387
17’200In Stock
50’000Expected 10/29/2026

Mfr. Part No.
SMAJ16CA

Mouser Part No
576-SMAJ16CA

Littelfuse

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

Learn More

Datasheet

17’200In Stock

50’000Expected 10/29/2026

Cut Tape

CHF 0.387

CHF 0.182

CHF 0.153

CHF 0.114

Reel

CHF 0.068

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ220CA
Littelfuse
1: CHF 0.781
8’102In Stock

Mfr. Part No.
SMAJ220CA

Mouser Part No
576-SMAJ220CA

Littelfuse

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

Learn More

Datasheet

8’102In Stock

Cut Tape

CHF 0.781

CHF 0.489

CHF 0.316

CHF 0.242

Reel

CHF 0.172

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ22A
Littelfuse
1: CHF 0.378
43’926In Stock
28’803Expected 9/3/2026

Mfr. Part No.
SMAJ22A

Mouser Part No
576-SMAJ22A

Littelfuse

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

Learn More

Datasheet

43’926In Stock

28’803Expected 9/3/2026

Cut Tape

CHF 0.378

CHF 0.171

CHF 0.145

CHF 0.11

Reel

CHF 0.066

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ24A
Littelfuse
1: CHF 0.362
41’794In Stock
70’000Expected 1/26/2027

Mfr. Part No.
SMAJ24A

Mouser Part No
576-SMAJ24A

Littelfuse

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

Learn More

Datasheet

41’794In Stock

70’000Expected 1/26/2027

Cut Tape

CHF 0.362

CHF 0.171

CHF 0.141

CHF 0.109

View

Reel

CHF 0.057

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ250CA
Littelfuse
1: CHF 0.773
7’807In Stock
10’000Expected 11/30/2026

Mfr. Part No.
SMAJ250CA

Mouser Part No
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

CHF 0.773

CHF 0.354

CHF 0.312

CHF 0.239

View

Reel

CHF 0.169

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ28CA
Littelfuse
1: CHF 0.387
26’402In Stock
35’000Expected 2/15/2027

Mfr. Part No.
SMAJ28CA

Mouser Part No
576-SMAJ28CA

Littelfuse

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

Learn More

Datasheet

26’402In Stock

35’000Expected 2/15/2027

Cut Tape

CHF 0.387

CHF 0.171

CHF 0.147

CHF 0.112

View

Reel

CHF 0.068

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ300CA
Littelfuse
1: CHF 0.693
12’657In Stock
40’000On Order

Mfr. Part No.
SMAJ300CA

Mouser Part No
576-SMAJ300CA

Littelfuse

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

Learn More

Datasheet

12’657In Stock

40’000On Order

Cut Tape

CHF 0.693

CHF 0.333

CHF 0.249

CHF 0.204

View

Reel

CHF 0.163

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ30CA
Littelfuse
1: CHF 0.362
98’072In Stock
147’116On Order

Mfr. Part No.
SMAJ30CA

Mouser Part No
576-SMAJ30CA

Littelfuse

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

Learn More

Datasheet

98’072In Stock

147’116On Order

Cut Tape

CHF 0.362

CHF 0.171

CHF 0.151

CHF 0.112

View

Reel

CHF 0.066

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ33A
Littelfuse
1: CHF 0.371
35’180In Stock
85’000Expected 11/5/2026

Mfr. Part No.
SMAJ33A

Mouser Part No
576-SMAJ33A

Littelfuse

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

Learn More

Datasheet

35’180In Stock

85’000Expected 11/5/2026

Cut Tape

CHF 0.371

CHF 0.168

CHF 0.143

CHF 0.109

Reel

CHF 0.073

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ350A
Littelfuse
1: CHF 0.709
8’400In Stock

Mfr. Part No.
SMAJ350A

Mouser Part No
576-SMAJ350A

Littelfuse

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

Learn More

Datasheet

8’400In Stock

Cut Tape

CHF 0.709

CHF 0.354

CHF 0.295

CHF 0.222

View

Reel

CHF 0.157

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ36A
Littelfuse
1: CHF 0.362
37’242In Stock
25’000Expected 12/3/2026

Mfr. Part No.
SMAJ36A

Mouser Part No
576-SMAJ36A

Littelfuse

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

Learn More

Datasheet

37’242In Stock

25’000Expected 12/3/2026

Cut Tape

CHF 0.362

CHF 0.171

CHF 0.141

CHF 0.109

Reel

CHF 0.066

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ40A
Littelfuse
1: CHF 0.257
40’151In Stock

Mfr. Part No.
SMAJ40A

Mouser Part No
576-SMAJ40A

Littelfuse

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

Learn More

Datasheet

40’151In Stock

Cut Tape

CHF 0.257

CHF 0.168

CHF 0.125

CHF 0.102

Reel

CHF 0.063

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ40CA
Littelfuse
1: CHF 0.411
74’984In Stock
120’000Expected 11/16/2026

Mfr. Part No.
SMAJ40CA

Mouser Part No
576-SMAJ40CA

Littelfuse

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

Learn More

Datasheet

74’984In Stock

120’000Expected 11/16/2026

Cut Tape

CHF 0.411

CHF 0.182

CHF 0.157

CHF 0.119

View

Reel

CHF 0.068

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ5.0A
Littelfuse
1: CHF 0.354
35’470In Stock
147’470On Order

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

35’470In Stock

147’470On Order

Cut Tape

CHF 0.354

CHF 0.177

CHF 0.144

CHF 0.112

View

Reel

CHF 0.061

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ5.0CA
Littelfuse
1: CHF 0.371
48’157In Stock
135’000On Order

Mfr. Part No.
SMAJ5.0CA

Mouser Part No
576-SMAJ5.0CA

Littelfuse

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

Learn More

Datasheet

48’157In Stock

135’000On Order

Cut Tape

CHF 0.371

CHF 0.171

CHF 0.138

CHF 0.112

View

Reel

CHF 0.069

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ51A
Littelfuse
1: CHF 0.371
19’322In Stock
35’000Expected 1/18/2027

Mfr. Part No.
SMAJ51A

Mouser Part No
576-SMAJ51A

Littelfuse

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

Learn More

Datasheet

19’322In Stock

35’000Expected 1/18/2027

Cut Tape

CHF 0.371

CHF 0.168

CHF 0.143

CHF 0.109

Reel

CHF 0.064

View

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

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

SMAJ58CA
Littelfuse
1: CHF 0.387
102’021In Stock

Mfr. Part No.
SMAJ58CA

Mouser Part No
576-SMAJ58CA

Littelfuse

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

Learn More

Datasheet

102’021In Stock

Cut Tape

CHF 0.387

CHF 0.171

CHF 0.151

CHF 0.112

View

Reel

CHF 0.066

MouseReel Available

Min.: 1
Mult.: 1

: 5’000

Connected Drug Delivery Device Ecosystem Solutions

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Connected Drug Delivery Device Ecosystem Solutions

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