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

Circuit Protection

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

Types of Circuit Protection

List Images

Results: 2.674

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.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 #

Cartridge Fuses SMALL DIM. FUSE

BK/S501-125-R
Eaton Electronics
1: 5,56 €
78In Stock

Mfr. Part No.
BK/S501-125-R

Mouser Part No
504-BK/S501-125-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

78In Stock

5,56 €

5,12 €

4,78 €

3,78 €

3,43 €

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S501-4-R
Eaton Electronics
1: 1,40 €
352In Stock

Mfr. Part No.
BK/S501-4-R

Mouser Part No
504-BK/S501-4-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

352In Stock

1,40 €

1,29 €

1,08 €

0,98 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, L Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501L3050B1KO
Eaton Electronics
1: 0,155 €
1.955In Stock

Mfr. Part No.
NRCE501L3050B1KO

Mouser Part No
504-NRCE501L3050B1KO

Eaton Electronics

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, L Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Learn More

Datasheet

1.955In Stock

0,155 €

0,144 €

0,126 €

0,119 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 5x20mm FA 400mA

BK1/S501-400-R
Eaton Electronics
1: 2,00 €
923In Stock

Mfr. Part No.
BK1/S501-400-R

Mouser Part No
504-BK1-S501-400-R

Eaton Electronics

Cartridge Fuses 5x20mm FA 400mA

Datasheet

923In Stock

2,00 €

1,85 €

1,54 €

1,42 €

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S501-6.3-R
Eaton Electronics
1: 1,20 €
85In Stock
300Expected 11/30/2026

Mfr. Part No.
BK/S501-6.3-R

Mouser Part No
504-BK/S501-6.3-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

85In Stock

300Expected 11/30/2026

1,20 €

1,10 €

1,09 €

0,839 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 8A

S501-8-R
Eaton Electronics
1: 9,45 €
32In Stock

Mfr. Part No.
S501-8-R

Mouser Part No
504-S501-8-R

Eaton Electronics

Cartridge Fuses S501 8A

Learn More

Datasheet

32In Stock

9,45 €

5,31 €

4,86 €

4,61 €

4,52 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes PTVS33VS1UTR-Q/SOD123W/CFP3

PTVS33VS1UTR-QX
Nexperia
1: 0,834 €
2.585In Stock

Mfr. Part No.
PTVS33VS1UTR-QX

Mouser Part No
771-PTVS33VS1UTR-QX

Nexperia

ESD Protection Diodes / TVS Diodes PTVS33VS1UTR-Q/SOD123W/CFP3

Datasheet

2.585In Stock

Cut Tape

0,834 €

0,575 €

0,364 €

0,225 €

Reel

0,12 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, K Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501K3050B1KS
Eaton Electronics
1: 0,189 €
2.000In Stock

Mfr. Part No.
NRCE501K3050B1KS

Mouser Part No
504-NRCE501K3050B1KS

Eaton Electronics

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, K Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Learn More

Datasheet

2.000In Stock

0,189 €

0,177 €

0,156 €

0,148 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 10A FA

BK1/S501-10-R
Eaton Electronics
1: 1,79 €
879In Stock

Mfr. Part No.
BK1/S501-10-R

Mouser Part No
504-BK1-S501-10-R

Eaton Electronics

Cartridge Fuses S501 10A FA

Datasheet

879In Stock

1,79 €

1,65 €

1,38 €

1,26 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 4A

S501-4-R
Eaton Electronics
1: 8,79 €
46In Stock

Mfr. Part No.
S501-4-R

Mouser Part No
504-S501-4-R

Eaton Electronics

Cartridge Fuses S501 4A

Learn More

Datasheet

46In Stock

8,79 €

4,76 €

4,24 €

4,17 €

4,11 €

Min.: 1
Mult.: 1

Cartridge Fuses S501 1A FA

BK1/S501-1-R
Eaton Electronics
1: 1,38 €
1.042In Stock

Mfr. Part No.
BK1/S501-1-R

Mouser Part No
504-BK1-S501-1-R

Eaton Electronics

Cartridge Fuses S501 1A FA

Datasheet

1.042In Stock

1,38 €

1,27 €

1,06 €

0,972 €

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S501-2-R
Eaton Electronics
1: 1,33 €
293In Stock

Mfr. Part No.
BK/S501-2-R

Mouser Part No
504-BK/S501-2-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

293In Stock

1,33 €

1,19 €

0,98 €

0,963 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 400MA

S501-400-R
Eaton Electronics
1: 9,57 €
33In Stock

Mfr. Part No.
S501-400-R

Mouser Part No
504-S501-400-R

Eaton Electronics

Cartridge Fuses S501 400MA

Learn More

Datasheet

33In Stock

9,57 €

5,08 €

4,85 €

4,58 €

Min.: 1
Mult.: 1

Cartridge Fuses S501 100mA

S501-100-R
Eaton Electronics
1: 9,08 €
57In Stock

Mfr. Part No.
S501-100-R

Mouser Part No
504-S501-100-R

Eaton Electronics

Cartridge Fuses S501 100mA

Learn More

Datasheet

57In Stock

9,08 €

4,95 €

4,42 €

4,24 €

Min.: 1
Mult.: 1

Cartridge Fuses S501 10A FA

BK/S501-10-R
Eaton Electronics
1: 5,21 €
17In Stock

Mfr. Part No.
BK/S501-10-R

Mouser Part No
504-BK-S501-10-R

Eaton Electronics

Cartridge Fuses S501 10A FA

Datasheet

17In Stock

5,21 €

4,03 €

3,67 €

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, K Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501K3050B1KO
Eaton Electronics
1: 0,189 €
1.990In Stock

Mfr. Part No.
NRCE501K3050B1KO

Mouser Part No
504-NRCE501K3050B1KO

Eaton Electronics

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, K Tol., O Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Learn More

Datasheet

1.990In Stock

0,189 €

0,177 €

0,156 €

0,148 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, L Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

NRCE501L3050B1KS
Eaton Electronics
1: 0,155 €
1.977In Stock

Mfr. Part No.
NRCE501L3050B1KS

Mouser Part No
504-NRCE501L3050B1KS

Eaton Electronics

NTC (Negative Temperature Coefficient) Thermistors NRCE family, 50 ohm, L Tol., S Lead, 3050 Beta, K Beta Tol., B1 Beta Def.

Learn More

Datasheet

1.977In Stock

0,155 €

0,144 €

0,126 €

0,119 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 250mA

S501-250-R
Eaton Electronics
1: 9,08 €
14In Stock
195Expected 10/20/2026

Mfr. Part No.
S501-250-R

Mouser Part No
504-S501-250-R

Eaton Electronics

Cartridge Fuses S501 250mA

Learn More

Datasheet

14In Stock

195Expected 10/20/2026

9,08 €

8,15 €

7,78 €

5,35 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 3.15A

S501-3.15-R
Eaton Electronics
1: 8,79 €
47In Stock

Mfr. Part No.
S501-3.15-R

Mouser Part No
504-S501-3.15-R

Eaton Electronics

Cartridge Fuses S501 3.15A

Datasheet

47In Stock

8,79 €

6,07 €

5,81 €

4,64 €

Min.: 1
Mult.: 1

Fuse Clips CSO Clip, 10.3x38mm 1500 VAC/VDC, 32A

0751.0501
Schurter
1: 1,87 €
3In Stock

Mfr. Part No.
0751.0501

Mouser Part No
693-0751.0501

Schurter

Fuse Clips CSO Clip, 10.3x38mm 1500 VAC/VDC, 32A

Learn More

Datasheet

3In Stock

1,87 €

1,72 €

1,42 €

1,27 €

View

Min.: 1
Mult.: 1

SCRs AMMORA SCR

BT169B,126
WeEn Semiconductors
1: 0,387 €
11.564In Stock

Mfr. Part No.
BT169B,126

Mouser Part No
771-BT169B126

WeEn Semiconductors

SCRs AMMORA SCR

Datasheet

11.564In Stock

0,387 €

0,238 €

0,151 €

0,113 €

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S501-250-R
Eaton Electronics
1: 6,77 €
8In Stock
100Expected 10/15/2026

Mfr. Part No.
BK/S501-250-R

Mouser Part No
504-BK/S501-250-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

8In Stock

100Expected 10/15/2026

6,77 €

5,62 €

5,19 €

4,30 €

View

Min.: 1
Mult.: 1

Cartridge Fuses 3.15A 250V FAST ACTING

BK1/S501-3.15-R
Eaton Electronics
1: 1,38 €
974In Stock

Mfr. Part No.
BK1/S501-3.15-R

Mouser Part No
504-BK1/S501-3.15-R

Eaton Electronics

Cartridge Fuses 3.15A 250V FAST ACTING

Datasheet

974In Stock

1,38 €

1,27 €

1,06 €

0,972 €

View

Min.: 1
Mult.: 1

Cartridge Fuses SHT 6.3x32 FUSE 1.25A T

8020.5012
Schurter
1: 1,15 €
772In Stock

Mfr. Part No.
8020.5012

Mouser Part No
693-8020.5012

Schurter

Cartridge Fuses SHT 6.3x32 FUSE 1.25A T

Datasheet

772In Stock

1,15 €

0,937 €

0,817 €

0,759 €

View

Min.: 1
Mult.: 1

Cartridge Fuses S501 500mA

S501-500-R
Eaton Electronics
1: 8,79 €
61In Stock
550On Order

Mfr. Part No.
S501-500-R

Mouser Part No
504-S501-500-R

Eaton Electronics

Cartridge Fuses S501 500mA

Learn More

Datasheet

61In Stock

550On Order

8,79 €

6,07 €

5,81 €

5,57 €

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support