Circuit Protection – Mouser Singapore

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Smart Thermostat Solutions

Littelfuse Smart Thermostat Solutions components allow designers to implement Internet of Things (IoT) solutions to boost energy efficiency and monitor energy usage. Littelfuse Smart Thermostat solutions complement other Smart Building features, including safety and security systems.

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Types of Circuit Protection

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Results: 539

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Part #

Resettable Fuses - PPTC 33V 2.6A-HD 40A MAX

2920L260/33DR
Littelfuse
1: $1.67
61,494On Order

Mfr. Part No.
2920L260/33DR

Mouser Part No
576-2920L260/33DR

Littelfuse

Resettable Fuses - PPTC 33V 2.6A-HD 40A MAX

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Datasheet

61,494On Order

Cut Tape

$1.67

$1.55

$1.22

$1.16

View

Reel

$0.736

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 24V 3.3A Poly 2920 PTC

2920L330/24MR
Littelfuse
1: $2.53
24,000Expected 15/10/2026

Mfr. Part No.
2920L330/24MR

Mouser Part No
576-2920L330/24MR

Littelfuse

Resettable Fuses - PPTC 24V 3.3A Poly 2920 PTC

Learn More

Datasheet

24,000Expected 15/10/2026

Cut Tape

$2.53

$2.33

$1.94

$1.80

View

Reel

$1.24

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

SM712-02HTG
Littelfuse
1: $1.86
644,942On Order

Mfr. Part No.
SM712-02HTG

Mouser Part No
576-SM712-02HTG

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 2 Channel Green Asymmetrical SOT23-

Learn More

Datasheet

644,942On Order

Cut Tape

$1.86

$0.913

$0.767

$0.597

$0.567

Reel

$0.43

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD

SESD0201X1UN-0020-090
Littelfuse
1: $1.18
133,262Expected 3/11/2026

Mfr. Part No.
SESD0201X1UN-0020-090

Mouser Part No
650-SESD0201X1UN0020

Littelfuse

ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD

Learn More

Datasheet

133,262Expected 3/11/2026

Cut Tape

$1.18

$0.622

$0.537

$0.412

View

Reel

$0.245

MouseReel Available

Min.: 1
Mult.: 1

: 75,000

Surface Mount Fuses 32V FA 1206 5A

0437005.WR
Littelfuse
1: $2.12
12,000Expected 23/11/2026

Mfr. Part No.
0437005.WR

Mouser Part No
576-0437005.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 5A

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Datasheet

12,000Expected 23/11/2026

Cut Tape

$2.12

$1.88

$1.78

$1.44

View

Reel

$0.976

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 15V 2920 3A

2920L300/15DR
Littelfuse
1: $1.31
17,942Expected 3/11/2026

Mfr. Part No.
2920L300/15DR

Mouser Part No
576-2920L300/15DR

Littelfuse

Resettable Fuses - PPTC PTC 15V 2920 3A

Learn More

Datasheet

17,942Expected 3/11/2026

Cut Tape

$1.31

$1.15

$0.922

$0.868

Reel

$0.573

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3

PLED18Q12
Littelfuse
1: $1.77
5,000Expected 22/9/2026

Mfr. Part No.
PLED18Q12

Mouser Part No
576-PLED18Q12

Littelfuse

LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3

Learn More

Datasheet

5,000Expected 22/9/2026

Cut Tape

$1.77

$1.11

$0.733

$0.575

View

Reel

$0.374

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

LED Protection Devices LED PROTECTOR Bi 6V

PLED6S
Littelfuse
1: $1.75
34,581Expected 23/11/2026

Mfr. Part No.
PLED6S

Mouser Part No
576-PLED6S

Littelfuse

LED Protection Devices LED PROTECTOR Bi 6V

Learn More

Datasheet

34,581Expected 23/11/2026

Cut Tape

$1.75

$1.10

$0.724

$0.575

$0.51

Reel

$0.428

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

SMAJ30A
Littelfuse
1: $0.639
142,527On Order

Mfr. Part No.
SMAJ30A

Mouser Part No
576-SMAJ30A

Littelfuse

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

Learn More

Datasheet

142,527On Order

Cut Tape

$0.639

$0.299

$0.245

$0.189

View

Reel

$0.114

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 54V 5% Uni-Directional

SMAJ54A
Littelfuse
1: $0.612
89,998On Order

Mfr. Part No.
SMAJ54A

Mouser Part No
576-SMAJ54A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 54V 5% Uni-Directional

Learn More

Datasheet

89,998On Order

Cut Tape

$0.612

$0.411

$0.238

$0.184

View

Reel

$0.124

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 54V 5% Bi-Directional

SMAJ54CA
Littelfuse
1: $0.694
119,013On Order

Mfr. Part No.
SMAJ54CA

Mouser Part No
576-SMAJ54CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 54V 5% Bi-Directional

Learn More

Datasheet

119,013On Order

Cut Tape

$0.694

$0.397

$0.265

$0.207

View

Reel

$0.116

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

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

SMAJ6.0CA
Littelfuse
1: $0.694
49,817On Order

Mfr. Part No.
SMAJ6.0CA

Mouser Part No
576-SMAJ6.0CA

Littelfuse

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

Learn More

Datasheet

49,817On Order

Cut Tape

$0.694

$0.37

$0.267

$0.204

View

Reel

$0.122

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 400W 70V 5% Uni-Directional

SMAJ70A
Littelfuse
1: $0.694
49,937On Order

Mfr. Part No.
SMAJ70A

Mouser Part No
576-SMAJ70A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 70V 5% Uni-Directional

Learn More

Datasheet

49,937On Order

Cut Tape

$0.694

$0.337

$0.269

$0.186

View

Reel

$0.124

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

ESD Protection Diodes / TVS Diodes 200W 13V 5% Uni-directional

SMF13A
Littelfuse
1: $0.68
59,268On Order

Mfr. Part No.
SMF13A

Mouser Part No
576-SMF13A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 13V 5% Uni-directional

Learn More

Datasheet

59,268On Order

Cut Tape

$0.68

$0.324

$0.276

$0.212

Reel

$0.124

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 200W 18V 5% Uni-directional

SMF18A
Littelfuse
1: $0.653
17,966On Order

Mfr. Part No.
SMF18A

Mouser Part No
576-SMF18A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 18V 5% Uni-directional

Learn More

Datasheet

17,966On Order

Cut Tape

$0.653

$0.324

$0.276

$0.212

Reel

$0.133

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 18V

SMF18CA
Littelfuse
1: $0.802
35,996On Order

Mfr. Part No.
SMF18CA

Mouser Part No
576-SMF18CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 18V

Learn More

Datasheet

35,996On Order

Cut Tape

$0.802

$0.37

$0.311

$0.245

Reel

$0.154

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 5V

SMF5.0CA
Littelfuse
1: $0.843
38,671On Order

Mfr. Part No.
SMF5.0CA

Mouser Part No
576-SMF5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 5V

Learn More

Datasheet

38,671On Order

Cut Tape

$0.843

$0.392

$0.329

$0.26

Reel

$0.163

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 200W 51V 5% Uni-directional

SMF51A
Littelfuse
1: $0.626
38,704On Order

Mfr. Part No.
SMF51A

Mouser Part No
576-SMF51A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 51V 5% Uni-directional

Learn More

Datasheet

38,704On Order

Cut Tape

$0.626

$0.324

$0.243

$0.204

Reel

$0.133

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 200W 64V 5% Uni-directional

SMF64A
Littelfuse
1: $0.585
23,500On Order

Mfr. Part No.
SMF64A

Mouser Part No
576-SMF64A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 64V 5% Uni-directional

Learn More

Datasheet

23,500On Order

Cut Tape

$0.585

$0.324

$0.26

$0.212

Reel

$0.133

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

SMF8.5CA
Littelfuse
1: $0.843
18,000Expected 8/12/2026

Mfr. Part No.
SMF8.5CA

Mouser Part No
576-SMF8.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

Learn More

Datasheet

18,000Expected 8/12/2026

Cut Tape

$0.843

$0.415

$0.329

$0.271

Reel

$0.163

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V48MLA1206NH
Littelfuse
1: $1.74
4,950Expected 12/1/2027

Mfr. Part No.
V48MLA1206NH

Mouser Part No
576-V48MLA1206NH

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

4,950Expected 12/1/2027

Cut Tape

$1.74

$1.26

$1.14

$1.01

View

Reel

$0.809

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Varistors 5.5 VDC .3J 17.5V-CL 120A P

V5.5MLA0805NH
Littelfuse
1: $0.639
22,343On Order

Mfr. Part No.
V5.5MLA0805NH

Mouser Part No
576-V5.5MLA0805NH

Littelfuse

Varistors 5.5 VDC .3J 17.5V-CL 120A P

Learn More

Datasheet

22,343On Order

Cut Tape

$0.639

$0.447

$0.40

$0.347

View

Reel

$0.264

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 5.8 Ohms 40 A 9 VDC - 40 C+ 85 C

FEMTOSMDC012F-2
Littelfuse
1: $1.18
5,000Expected 12/10/2026

Mfr. Part No.
FEMTOSMDC012F-2

Mouser Part No
650-FEMTOSMDC012F-2

Littelfuse

Resettable Fuses - PPTC 5.8 Ohms 40 A 9 VDC - 40 C+ 85 C

Learn More

Datasheet

5,000Expected 12/10/2026

Cut Tape

$1.18

$1.06

$0.801

$0.775

View

Reel

$0.435

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Resettable Fuses - PPTC 150 mOhms 40 A 33 VDC - 40 C+ 85 C

SMDC185F/33-2
Littelfuse
1: $0.938
5,769On Order

Mfr. Part No.
SMDC185F/33-2

Mouser Part No
650-SMDC185F/33-2

Littelfuse

Resettable Fuses - PPTC 150 mOhms 40 A 33 VDC - 40 C+ 85 C

Learn More

Datasheet

5,769On Order

Cut Tape

$0.938

$0.864

$0.717

$0.661

View

Reel

$0.426

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes SMF - A 170V

SMF170A
Littelfuse
1: $0.966
12,000On Order

Mfr. Part No.
SMF170A

Mouser Part No
576-SMF170A

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - A 170V

Learn More

Datasheet

12,000On Order

Cut Tape

$0.966

$0.498

$0.428

$0.416

Reel

$0.177

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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