Circuit Protection – Mouser Singapore

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 627

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V30MLA0603NT
Littelfuse
1: $1.11
3,870In Stock

Mfr. Part No.
V30MLA0603NT

Mouser Part No
576-V30MLA0603NT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

3,870In Stock

Cut Tape

$1.11

$0.656

$0.455

$0.423

View

Reel

$0.229

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MLV SMF FOR AUTO

V30MLA1206NH
Littelfuse
1: $1.45
2,294In Stock

Mfr. Part No.
V30MLA1206NH

Mouser Part No
576-V30MLA1206NH

Littelfuse

Varistors MLV SMF FOR AUTO

Learn More

Datasheet

2,294In Stock

Cut Tape

$1.45

$1.04

$0.94

$0.828

View

Reel

$0.696

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 33V 180A 500pF

V33MLA1206NT
Littelfuse
1: $1.45
9,074In Stock

Mfr. Part No.
V33MLA1206NT

Mouser Part No
576-V33MLA1206NT

Littelfuse

Varistors 33V 180A 500pF

Learn More

Datasheet

9,074In Stock

Cut Tape

$1.45

$1.04

$0.94

$0.828

View

Reel

$0.696

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V42MLA1206NA
Littelfuse
1: $2.61
2,245In Stock

Mfr. Part No.
V42MLA1206NA

Mouser Part No
576-V42MLA1206NA

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

2,245In Stock

$2.61

$1.63

$1.50

$1.22

View

Min.: 1
Mult.: 1

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V48MLA1206NH
Littelfuse
1: $1.54
2,348In Stock
2,500Expected 2/6/2026

Mfr. Part No.
V48MLA1206NH

Mouser Part No
576-V48MLA1206NH

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

2,348In Stock

2,500Expected 2/6/2026

Cut Tape

$1.54

$1.12

$1.01

$0.891

View

Reel

$0.752

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 5.5V 30A 760pF

V5.5MLA0603NA
Littelfuse
1: $1.06
570In Stock

Mfr. Part No.
V5.5MLA0603NA

Mouser Part No
576-V5.5MLA0603NA

Littelfuse

Varistors 5.5V 30A 760pF

Learn More

Datasheet

570In Stock

$1.06

$0.631

$0.438

$0.406

View

Min.: 1
Mult.: 1

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V5.5MLA0603NT
Littelfuse
1: $1.10
4,880In Stock

Mfr. Part No.
V5.5MLA0603NT

Mouser Part No
576-V5.5MLA0603NT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

4,880In Stock

Cut Tape

$1.10

$0.655

$0.453

$0.421

View

Reel

$0.229

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V5.5MLA0805NA
Littelfuse
1: $1.14
1,576In Stock

Mfr. Part No.
V5.5MLA0805NA

Mouser Part No
576-V5.5MLA0805NA

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

1,576In Stock

$1.14

$0.687

$0.475

$0.442

View

Min.: 1
Mult.: 1

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

V5.5MLA0805NH
Littelfuse
1: $1.15
7,741In Stock

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

7,741In Stock

Cut Tape

$1.15

$0.688

$0.477

$0.443

Reel

$0.263

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V65MLA2220NS
Littelfuse
1: $3.32
990In Stock

Mfr. Part No.
V65MLA2220NS

Mouser Part No
576-V65MLA2220NS

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Datasheet

990In Stock

Cut Tape

$3.32

$2.27

$2.14

$1.82

Reel

$1.50

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Varistors 68V 180A 100pF

V68MLA1206NH
Littelfuse
1: $2.60
1,561In Stock
12,500On Order

Mfr. Part No.
V68MLA1206NH

Mouser Part No
576-V68MLA1206NH

Littelfuse

Varistors 68V 180A 100pF

Learn More

Datasheet

1,561In Stock

12,500On Order

Cut Tape

$2.60

$1.61

$1.49

$1.22

View

Reel

$0.752

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 9V 30A 120pF

V9MLA0603NH
Littelfuse
1: $1.11
2,930In Stock

Mfr. Part No.
V9MLA0603NH

Mouser Part No
576-V9MLA0603NH

Littelfuse

Varistors 9V 30A 120pF

Learn More

Datasheet

2,930In Stock

Cut Tape

$1.11

$0.656

$0.455

$0.423

View

Reel

$0.229

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 9V 4A 33pF

V9MLA0805LNH
Littelfuse
1: $1.15
8,223In Stock

Mfr. Part No.
V9MLA0805LNH

Mouser Part No
576-V9MLA0805LNH

Littelfuse

Varistors 9V 4A 33pF

Learn More

Datasheet

8,223In Stock

Cut Tape

$1.15

$0.688

$0.477

$0.443

Reel

$0.263

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200

PESD1206Q-240
Littelfuse
1: $1.74
5,000Expected 26/5/2026

Mfr. Part No.
PESD1206Q-240

Mouser Part No
650-PESD1206Q-240

Littelfuse

ESD Protection Diodes / TVS Diodes 0.25pFA 14V 1206 AEC-Q200

Learn More

Datasheet

5,000Expected 26/5/2026

Cut Tape

$1.74

$1.04

$0.709

$0.549

Reel

$0.377

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional

SMF26A-T13
Littelfuse
1: $0.653
10,000In Stock

Mfr. Part No.
SMF26A-T13

Mouser Part No
576-SMF26A-T13

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 26V 5% Uni-directional

Learn More

Datasheet

10,000In Stock

Cut Tape

$0.653

$0.409

$0.17

$0.158

View

Reel

$0.114

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

SMF40A-T13
Littelfuse
1: $0.653
9,829In Stock

Mfr. Part No.
SMF40A-T13

Mouser Part No
576-SMF40A-T13

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 40V 5% Uni-directional

Learn More

Datasheet

9,829In Stock

Cut Tape

$0.653

$0.409

$0.196

$0.177

View

Reel

$0.114

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V26MLA1210NT
Littelfuse
1: $1.75
1,217In Stock

Mfr. Part No.
V26MLA1210NT

Mouser Part No
576-V26MLA1210NT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Datasheet

1,217In Stock

Cut Tape

$1.75

$1.27

$1.15

$1.02

View

Reel

$0.866

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Surface Mount Fuses 1206 SLO-BLO .500A SLIMLINE HALIDE FREE

0468.500NRHF
Littelfuse
1: $2.00
17,511On Order

Mfr. Part No.
0468.500NRHF

Mouser Part No
576-0468.500NRHF

Littelfuse

Surface Mount Fuses 1206 SLO-BLO .500A SLIMLINE HALIDE FREE

Datasheet

17,511On Order

Cut Tape

$2.00

$1.79

$1.68

$1.39

View

Reel

$0.847

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

LED Protection Devices LED PROTECTOR Bi 13V DO214 2L RoHS

PLED13S-A
Littelfuse
1: $1.70
5,000Expected 22/6/2026

Mfr. Part No.
PLED13S-A

Mouser Part No
576-PLED13S-A

Littelfuse

LED Protection Devices LED PROTECTOR Bi 13V DO214 2L RoHS

Datasheet

5,000Expected 22/6/2026

Cut Tape

$1.70

$1.07

$0.705

$0.56

Reel

$0.392

View

Min.: 1
Mult.: 1

Reel: 2,500

LED Protection Devices LED PROTECTOR Bi 6V

PLED6Q12
Littelfuse
1: $1.70
45,000On Order

Mfr. Part No.
PLED6Q12

Mouser Part No
576-PLED6Q12

Littelfuse

LED Protection Devices LED PROTECTOR Bi 6V

Learn More

Datasheet

45,000On Order

Cut Tape

$1.70

$1.06

$0.698

$0.542

$0.449

Reel

$0.366

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ150A
Littelfuse
1: $0.417
9,990Expected 27/4/2026

Mfr. Part No.
SMAJ150A

Mouser Part No
576-SMAJ150A

Littelfuse

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

Learn More

Datasheet

9,990Expected 27/4/2026

Cut Tape

$0.417

$0.338

$0.234

$0.182

Reel

$0.114

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-Directional

SMAJ17A
Littelfuse
1: $0.598
9,744Expected 20/5/2026

Mfr. Part No.
SMAJ17A

Mouser Part No
576-SMAJ17A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-Directional

Learn More

Datasheet

9,744Expected 20/5/2026

Cut Tape

$0.598

$0.399

$0.235

$0.178

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

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

SMAJ300A
Littelfuse
1: $0.82
4,375Expected 7/5/2026

Mfr. Part No.
SMAJ300A

Mouser Part No
576-SMAJ300A

Littelfuse

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

Learn More

Datasheet

4,375Expected 7/5/2026

Cut Tape

$0.82

$0.645

$0.42

$0.32

$0.261

Reel

$0.259

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

Resettable Fuses - PPTC SMDC050F-2

SMDC050F-2
Littelfuse
1: $0.862
3,784Expected 1/6/2026

Mfr. Part No.
SMDC050F-2

Mouser Part No
650-SMDC050F-2

Littelfuse

Resettable Fuses - PPTC SMDC050F-2

Learn More

Datasheet

3,784Expected 1/6/2026

Cut Tape

$0.862

$0.785

$0.653

$0.602

View

Reel

$0.35

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

ESD Protection Diodes / TVS Diodes 200W 33V 5% Uni-directional

SMF33A
Littelfuse
1: $0.514
11,498Expected 17/4/2026

Mfr. Part No.
SMF33A

Mouser Part No
576-SMF33A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 33V 5% Uni-directional

Learn More

Datasheet

11,498Expected 17/4/2026

Cut Tape

$0.514

$0.345

$0.213

$0.172

$0.149

Reel

$0.114

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Smart Thermostat Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support