Cartridge Fuses – Mouser Chile

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S520 Fast-Acting Ceramic Tube Fuses

Eaton Electronics S520 Fast-Acting Ceramic Tube Fuses provide reliable overcurrent protection up to 20A and 420V_AC for high power and higher voltage applications, respectively. Typical applications include data centers, telecom systems, and intelligent commercial buildings. The S520 fuses are available in a compact small-footprint 5mm x 20mm cartridge or axial leaded packages, providing excellent board savings. These fuses can withstand operating temperatures ranging from -55°C to +125°C, making them suitable for use in various environments. All products are lead-free, halogen-free, and RoHS compliant.

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Part #

Cartridge Fuses 12.5A 420V FAST ACTING

BK-S520-V-12-5-R
Eaton Electronics
1: $6.300
448In Stock

Mfr. Part #
BK-S520-V-12-5-R

Mouser Part #
504-BK-S520-V-12-5-R

Eaton Electronics

Cartridge Fuses 12.5A 420V FAST ACTING

Learn More

Datasheet

448In Stock

$6.300

$5.279

$4.112

$3.365

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

12.5 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8.1 mOhms

Cartridge Fuses 10A 420V FAST ACTING

BK-S520-10-R
Eaton Electronics
1: $4.996
17In Stock
200Expected 9/10/2026

Mfr. Part #
BK-S520-10-R

Mouser Part #
504-BK-S520-10-R

Eaton Electronics

Cartridge Fuses 10A 420V FAST ACTING

Learn More

Datasheet

17In Stock

200Expected 9/10/2026

$4.996

$4.606

$3.818

$3.513

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8 mOhms

Cartridge Fuses 15A 420V FAST ACTING

BK-S520-15-R
Eaton Electronics
1: $4.996
11In Stock

Mfr. Part #
BK-S520-15-R

Mouser Part #
504-BK-S520-15-R

Eaton Electronics

Cartridge Fuses 15A 420V FAST ACTING

Learn More

Datasheet

11In Stock

$4.996

$4.617

$3.828

$3.818

$3.092

Min.: 1
Mult.: 1

S520

Ceramic Fuses

15 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.8 mOhms

Cartridge Fuses 16A 420V FAST ACTING

BK-S520-16-R
Eaton Electronics
1: $3.881
78In Stock

Mfr. Part #
BK-S520-16-R

Mouser Part #
504-BK-S520-16-R

Eaton Electronics

Cartridge Fuses 16A 420V FAST ACTING

Learn More

Datasheet

78In Stock

$3.881

$3.586

$2.976

$2.934

Min.: 1
Mult.: 1

S520

Ceramic Fuses

16 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.1 mOhms

Cartridge Fuses 20A 420V FAST ACTING

BK-S520-20-R
Eaton Electronics
1: $5.385
30In Stock
100Expected 8/31/2026

Mfr. Part #
BK-S520-20-R

Mouser Part #
504-BK-S520-20-R

Eaton Electronics

Cartridge Fuses 20A 420V FAST ACTING

Learn More

Datasheet

30In Stock

100Expected 8/31/2026

$5.385

$4.964

$4.123

$3.786

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

20 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

5 mOhms

Cartridge Fuses 8A 420V FAST ACTING

BK-S520-8-R
Eaton Electronics
1: $4.028
198In Stock

Mfr. Part #
BK-S520-8-R

Mouser Part #
504-BK-S520-8-R

Eaton Electronics

Cartridge Fuses 8A 420V FAST ACTING

Learn More

Datasheet

198In Stock

$4.028

$3.712

$3.702

$3.397

$2.934

Min.: 1
Mult.: 1

S520

Ceramic Fuses

8 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

9 mOhms

Cartridge Fuses 10A 420V FAST ACTING

BK-S520-V-10-R
Eaton Electronics
1: $4.859
166In Stock

Mfr. Part #
BK-S520-V-10-R

Mouser Part #
504-BK-S520-V-10-R

Eaton Electronics

Cartridge Fuses 10A 420V FAST ACTING

Learn More

Datasheet

166In Stock

$4.859

$4.491

$4.449

$3.502

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8 mOhms

Cartridge Fuses 15A 420V FAST ACTING

BK-S520-V-15-R
Eaton Electronics
1: $5.995
143In Stock

Mfr. Part #
BK-S520-V-15-R

Mouser Part #
504-BK-S520-V-15-R

Eaton Electronics

Cartridge Fuses 15A 420V FAST ACTING

Learn More

Datasheet

143In Stock

$5.995

$5.364

$4.228

$3.818

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

15 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.8 mOhms

Cartridge Fuses 8A 420V FAST ACTING

BK-S520-V-8-R
Eaton Electronics
1: $6.804
1In Stock

Mfr. Part #
BK-S520-V-8-R

Mouser Part #
504-BK-S520-V-8-R

Eaton Electronics

Cartridge Fuses 8A 420V FAST ACTING

Learn More

Datasheet

1In Stock

$6.804

$5.700

$4.438

$3.986

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

8 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

9 mOhms

Cartridge Fuses S520 420Vac, 12.5A, bulk

BK/S520-12-5-R
Eaton Electronics
1: $6.962
44In Stock

Mfr. Part #
BK/S520-12-5-R

Mouser Part #
504-BK/S520-12-5-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 12.5A, bulk

Learn More

Datasheet

44In Stock

$6.962

$6.542

$6.279

$4.343

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

12.5 A

5 mm x 20 mm

Bulk

Cartridge Fuses S520 420Vac, 10A, standard

S520-10-R
Eaton Electronics
1: $11.243
105Expected 9/9/2026

Mfr. Part #
S520-10-R

Mouser Part #
504-S520-10-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 10A, standard

Learn More

Datasheet

105Expected 9/9/2026

$11.243

$8.740

$6.962

$6.668

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8 mOhms

Cartridge Fuses 16A 420V FAST ACTING

BK-S520-V-16-R
Eaton Electronics
1: $3.229
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK-S520-V-16-R

Mouser Part #
504-BK-S520-V-16-R

Eaton Electronics

Cartridge Fuses 16A 420V FAST ACTING

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.229

$3.145

$2.997

Min.: 1
Mult.: 1

S520

Ceramic Fuses

16 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.1 mOhms

Cartridge Fuses 20A 420V FAST ACTING

BK-S520-V-20-R
Eaton Electronics
1: $5.521
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK-S520-V-20-R

Mouser Part #
504-BK-S520-V-20-R

Eaton Electronics

Cartridge Fuses 20A 420V FAST ACTING

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$5.521

$5.101

$4.228

$3.712

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

20 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

5 mOhms

Cartridge Fuses S520 420Vac, 10A, BK1

BK1-S520-10-R
Eaton Electronics
1.000: $2.966
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-10-R

Mouser Part #
504-BK1-S520-10-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 10A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.966

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8 mOhms

Cartridge Fuses S520 420Vac, 12.5A, BK1

BK1-S520-12-5-R
Eaton Electronics
1.000: $2.966
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-12-5-R

Mouser Part #
504-BK1-S520-12-5-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 12.5A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.966

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

12.5 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8.1 mOhms

Cartridge Fuses S520 420Vac, 15A, BK1

BK1-S520-15-R
Eaton Electronics
1.000: $2.966
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-15-R

Mouser Part #
504-BK1-S520-15-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 15A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.966

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

15 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.8 mOhms

Cartridge Fuses S520 420Vac, 16A, BK1

BK1-S520-16-R
Eaton Electronics
1.000: $3.018
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-16-R

Mouser Part #
504-BK1-S520-16-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 16A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$3.018

$2.987

Quote

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

16 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.1 mOhms

Cartridge Fuses S520 420Vac, 20A, BK1

BK1-S520-20-R
Eaton Electronics
1.000: $2.966
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-20-R

Mouser Part #
504-BK1-S520-20-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 20A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.966

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

20 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

5 mOhms

Cartridge Fuses S520 420Vac, 8A, BK1

BK1-S520-8-R
Eaton Electronics
1.000: $2.966
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
BK1-S520-8-R

Mouser Part #
504-BK1-S520-8-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 8A, BK1

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.966

Min.: 1.000
Mult.: 1.000

S520

Ceramic Fuses

8 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

9 mOhms

Cartridge Fuses S520 420Vac, 12.5A, standard

S520-12-5-R
Eaton Electronics
1: $10.832
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
S520-12-5-R

Mouser Part #
504-S520-12-5-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 12.5A, standard

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.832

$5.364

Min.: 1
Mult.: 1

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

8.1 mOhms

Cartridge Fuses S520 420Vac, 15A, standard

S520-15-R
Eaton Electronics
1: $11.243
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
S520-15-R

Mouser Part #
504-S520-15-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 15A, standard

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$11.243

$8.740

$6.962

$6.289

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

15 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.8 mOhms

Cartridge Fuses S520 420Vac, 16A, standard

S520-16-R
Eaton Electronics
1: $11.243
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
S520-16-R

Mouser Part #
504-S520-16-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 16A, standard

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$11.243

$8.740

$6.962

$6.247

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

16 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

6.1 mOhms

Cartridge Fuses S520 420Vac, 20A, standard

S520-20-R
Eaton Electronics
1: $11.800
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
S520-20-R

Mouser Part #
504-S520-20-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 20A, standard

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$11.800

$5.364

Min.: 1
Mult.: 1

S520

Ceramic Fuses

20 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

5 mOhms

Cartridge Fuses S520 420Vac, 8A, standard

S520-8-R
Eaton Electronics
1: $10.832
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
S520-8-R

Mouser Part #
504-S520-8-R

Eaton Electronics

Cartridge Fuses S520 420Vac, 8A, standard

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.832

$8.066

$7.509

$6.889

View

Min.: 1
Mult.: 1

S520

Ceramic Fuses

8 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Bulk

9 mOhms

Cartridge Fuses S520 axial 420Vac, 10A, tape and reel

TR2-S520-V-10-R
Eaton Electronics
1.500: $3.124
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
TR2-S520-V-10-R

Mouser Part #
504-TR2-S520-V-10-R

Eaton Electronics

Cartridge Fuses S520 axial 420Vac, 10A, tape and reel

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.124

Quote

Min.: 1.500
Mult.: 1.500

: 1.500

S520

Ceramic Fuses

10 A

Fast Blow

5 mm x 20 mm

420 VAC

1.5 kA

Board Mount

Axial

- 55 C

+ 125 C

Reel

8 mOhms

S520 Fast-Acting Ceramic Tube Fuses

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