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Automotive Application Solutions

Littelfuse Automotive Solutions contain a portfolio of AEC-Q101 and AEC-Q200 qualified TVS diodes, diode arrays, varistors, multilayer varistors, and POLY-FUSE® PTCs. Each new generation of vehicles has an increased number of electronics that control everything from the radio to fuel injection. Littelfuse provides circuit protection solutions for a range of difficult automotive applications.

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Part #

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185
Littelfuse
1: $0.598
25,398In Stock

Mfr. Part No.
RUEF185

Mouser Part No
650-RUEF185

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

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Datasheet

25,398In Stock

$0.598

$0.505

$0.445

$0.407

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250-2
Littelfuse
1: $0.681
6,466In Stock
9,000Expected 2/6/2026

Mfr. Part No.
RUEF250-2

Mouser Part No
650-RUEF250-2

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

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Datasheet

6,466In Stock

9,000Expected 2/6/2026

Cut Tape

$0.681

$0.616

$0.523

$0.477

Reel

$0.302

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300
Littelfuse
1: $0.667
24,632In Stock

Mfr. Part No.
RUEF300

Mouser Part No
650-RUEF300

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

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Datasheet

24,632In Stock

$0.667

$0.606

$0.503

$0.466

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400
Littelfuse
1: $0.778
15,812In Stock

Mfr. Part No.
RUEF400

Mouser Part No
650-RUEF400

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

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Datasheet

15,812In Stock

$0.778

$0.713

$0.592

$0.537

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 5A 30V 100A Imax

RUEF500
Littelfuse
1: $0.945
3,868In Stock
3,250Expected 14/5/2026

Mfr. Part No.
RUEF500

Mouser Part No
650-RUEF500

Littelfuse

Resettable Fuses - PPTC 5A 30V 100A Imax

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Datasheet

3,868In Stock

3,250Expected 14/5/2026

$0.945

$0.851

$0.669

$0.621

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600
Littelfuse
1: $1.00
6,269In Stock

Mfr. Part No.
RUEF600

Mouser Part No
650-RUEF600

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

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Datasheet

6,269In Stock

$1.00

$0.919

$0.735

$0.691

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 8A 30V 100A Imax

RUEF800
Littelfuse
1: $1.20
10,708In Stock

Mfr. Part No.
RUEF800

Mouser Part No
650-RUEF800

Littelfuse

Resettable Fuses - PPTC 8A 30V 100A Imax

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Datasheet

10,708In Stock

$1.20

$1.05

$0.838

$0.776

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900
Littelfuse
1: $1.47
3,902In Stock
3,991Expected 24/3/2026

Mfr. Part No.
RUEF900

Mouser Part No
650-RUEF900

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

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Datasheet

3,902In Stock

3,991Expected 24/3/2026

$1.47

$1.35

$1.12

$1.03

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .05A 60V 40A Imax

RXEF005
Littelfuse
1: $0.514
15,288In Stock

Mfr. Part No.
RXEF005

Mouser Part No
650-RXEF005

Littelfuse

Resettable Fuses - PPTC .05A 60V 40A Imax

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Datasheet

Product Comments

15,288In Stock

$0.514

$0.468

$0.389

$0.359

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

RXEF005-2
Littelfuse
1: $0.612
18,899In Stock

Mfr. Part No.
RXEF005-2

Mouser Part No
650-RXEF005-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .05A 60V 40A Imax

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Datasheet

Product Comments

18,899In Stock

Cut Tape

$0.612

$0.542

$0.46

$0.423

Reel

$0.25

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

RXEF010
Littelfuse
1: $0.50
15,414In Stock

Mfr. Part No.
RXEF010

Mouser Part No
650-RXEF010

Littelfuse

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

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Datasheet

Product Comments

15,414In Stock

$0.50

$0.453

$0.339

$0.31

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020
Littelfuse
1: $0.50
21,303In Stock

Mfr. Part No.
RXEF020

Mouser Part No
650-RXEF020

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

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Datasheet

Product Comments

21,303In Stock

$0.50

$0.45

$0.338

$0.311

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025
Littelfuse
1: $0.514
16,297In Stock

Mfr. Part No.
RXEF025

Mouser Part No
650-RXEF025

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

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Datasheet

Product Comments

16,297In Stock

$0.514

$0.388

$0.339

$0.31

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

RXEF025-2
Littelfuse
1: $0.612
8,093In Stock

Mfr. Part No.
RXEF025-2

Mouser Part No
650-RXEF025-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .25A 72V 40A Imax

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Datasheet

Product Comments

8,093In Stock

Cut Tape

$0.612

$0.557

$0.463

$0.428

Reel

$0.264

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax

RXEF030
Littelfuse
1: $0.528
12,505In Stock
8,000Expected 28/5/2026

Mfr. Part No.
RXEF030

Mouser Part No
650-RXEF030

Littelfuse

Resettable Fuses - PPTC Radial Lead .3A 72V 40A Imax

Learn More

Datasheet

Product Comments

12,505In Stock

8,000Expected 28/5/2026

$0.528

$0.48

$0.367

$0.336

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .4A 72V 40A Imax

RXEF040
Littelfuse
1: $0.556
12,857In Stock

Mfr. Part No.
RXEF040

Mouser Part No
650-RXEF040

Littelfuse

Resettable Fuses - PPTC Radial Lead .4A 72V 40A Imax

Learn More

Datasheet

Product Comments

12,857In Stock

$0.556

$0.496

$0.392

$0.359

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

RXEF050
Littelfuse
1: $0.528
38,500In Stock

Mfr. Part No.
RXEF050

Mouser Part No
650-RXEF050

Littelfuse

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

Learn More

Datasheet

Product Comments

38,500In Stock

$0.528

$0.48

$0.392

$0.353

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

RXEF050-2
Littelfuse
1: $0.626
13,422In Stock

Mfr. Part No.
RXEF050-2

Mouser Part No
650-RXEF050-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .5A 72V 40A Imax

Learn More

Datasheet

Product Comments

13,422In Stock

Cut Tape

$0.626

$0.566

$0.477

$0.428

Reel

$0.265

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax

RXEF075
Littelfuse
1: $0.598
7,341In Stock
14,000Expected 14/5/2026

Mfr. Part No.
RXEF075

Mouser Part No
650-RXEF075

Littelfuse

Resettable Fuses - PPTC Radial Lead .75A 72V 40A Imax

Learn More

Datasheet

Product Comments

7,341In Stock

14,000Expected 14/5/2026

$0.598

$0.534

$0.452

$0.417

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

RXEF090
Littelfuse
1: $0.626
10,085In Stock
9,847Expected 4/5/2026

Mfr. Part No.
RXEF090

Mouser Part No
650-RXEF090

Littelfuse

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

Learn More

Datasheet

Product Comments

10,085In Stock

9,847Expected 4/5/2026

$0.626

$0.559

$0.468

$0.396

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

RXEF110-2
Littelfuse
1: $0.765
8,843In Stock
6,000Expected 22/4/2026

Mfr. Part No.
RXEF110-2

Mouser Part No
650-RXEF110-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

Learn More

Datasheet

Product Comments

8,843In Stock

6,000Expected 22/4/2026

Cut Tape

$0.765

$0.677

$0.584

$0.539

Reel

$0.357

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax

RXEF135
Littelfuse
1: $0.667
9,957In Stock

Mfr. Part No.
RXEF135

Mouser Part No
650-RXEF135

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax

Learn More

Datasheet

Product Comments

9,957In Stock

$0.667

$0.577

$0.512

$0.443

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

RXEF185
Littelfuse
1: $0.778
6,749In Stock

Mfr. Part No.
RXEF185

Mouser Part No
650-RXEF185

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

Learn More

Datasheet

Product Comments

6,749In Stock

$0.778

$0.717

$0.546

$0.505

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

RXEF250
Littelfuse
1: $1.04
10,213In Stock

Mfr. Part No.
RXEF250

Mouser Part No
650-RXEF250

Littelfuse

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

Learn More

Datasheet

Product Comments

10,213In Stock

$1.04

$0.931

$0.781

$0.708

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

RXEF300
Littelfuse
1: $1.20
7,518In Stock

Mfr. Part No.
RXEF300

Mouser Part No
650-RXEF300

Littelfuse

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

Learn More

Datasheet

Product Comments

7,518In Stock

$1.20

$1.10

$0.915

$0.838

View

Min.: 1
Mult.: 1

Automotive Application Solutions

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Automotive Application Solutions

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