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Circuit Protection > Fuses

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Fuses protect electrical circuits by interrupting the flow of current in case of overloads or faults. Key attributes include Current Rating (Amps), Breaking Capacity @ Rated Voltage, and Fuse Type. These components are essential for applications such as production electronics assembly and maintenance.

What are Fuses ?

Fuses are protective devices that interrupt electrical circuits to prevent damage from overloads or short circuits. They are commonly used in applications like new product design, maintenance, and field replacement. Important specifications for selecting fuses include Current Rating (Amps), which determines the maximum current the fuse can handle; Breaking Capacity @ Rated Voltage, which indicates the maximum fault current the fuse can safely interrupt; and Fuse Type, which affects the response time and application suitability. Ensuring compatibility with existing designs and validating lifecycle status are crucial for effective procurement.

Part & Mfr

Total Stock

Pricing & RFQ

Approval Agency

Breaking Capacity @ Rated Voltage

Color

Current Rating (Amps)

Fuse Type

Melting I²t

Mounting Type

Operating Temperature

Response Time

Size

Voltage Rating

0315.250MXP

Littelfuse Inc.

980

From Bristol Electronics

Price on request

980

CE, CSA, UL

35A

250 mA

Cartridge, Glass

0.385

Through Hole

-55°C ~ 125°C

Slow Blow

0.275" Dia x 1.275" L (6.99mm x 32.39mm)

250 V

0469002.WR

Littelfuse Inc.

980

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	490	-	-
MW.FEP S.p.A.	490	-	-

Price on request

980

Distributor	Stock	MOQ	Country
Braun Electronic Components	490	-	-
MW.FEP S.p.A.	490	-	-

CSA, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-55°C ~ 150°C

Slow Blow

0.129" L x 0.064" W x 0.035" H (3.27mm x 1.63mm x 0.90mm)

63 V

0218004.MXP

Littelfuse Inc.

975

Across 3 distributors

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	215	-	-
Bristol Electronics	750	-	-
Partservice	10	-	-

Price on request

975

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	215	-	-
Bristol Electronics	750	-	-
Partservice	10	-	-

CCC, CE, CSA, K-MARK, PSE, SEMKO, UL, VDE

40A

4 A

Cartridge, Glass

69.1

Requires Holder

-55°C ~ 125°C

Slow Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0154.125DR

Littelfuse Inc.

960

From Bristol Electronics

Price on request

960

50A

125 mA

Board Mount (Cartridge Style Excluded)

0.00286

Requires Holder, Surface Mount

-55°C ~ 125°C

Fast Blow

0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm)

125 V

0235005.H

Littelfuse Inc.

950

From Bristol Electronics

Price on request

950

CSA, METI, UL

10kA

5 A

Cartridge, Glass

28.15

Requires Holder

-55°C ~ 125°C

Fast Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

125 V

0326008.MXP

Littelfuse Inc.

950

Price on request

950

CE, CSA, K-MARK, PSE, UL

400A

8 A

Cartridge, Ceramic

67.1

Requires Holder

-55°C ~ 125°C

Slow Blow

0.250" Dia x 1.250" L (6.35mm x 31.75mm)

250 V

0217.200MXP

Littelfuse Inc.

946

From Braun Electronic Components

Price on request

946

CCC, CE, CSA, K-MARK, SEMKO, UL, VDE

35A

200 mA

Cartridge, Glass

0.02

Requires Holder

-55°C ~ 125°C

Fast Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0307004.H

Littelfuse Inc.

944

From Braun Electronic Components

Price on request

944

4 A

Cartridge, Glass

Requires Holder

Fast Blow

0.250" Dia x 0.625" L (6.35mm x 15.88mm)

32 V

0997002.WXN

Littelfuse Inc.

940

Price on request

940

1kA

Gray

2 A

Automotive

2.8

Requires Holder

-40°C ~ 125°C

Fast Blow

0.429" L x 0.150" W x 0.346" H (10.90mm x 3.80mm x 8.80mm)

58 V

1025HC50-RTR

Eaton - Electronics Division

930

Price on request

930

cURus

600A

50 A

Board Mount (Cartridge Style Excluded)

600

Surface Mount

-55°C ~ 125°C

Fast Blow

0.177" Dia x 0.488" L (4.50mm x 12.40mm)

60 V

0154002.DRT

Littelfuse Inc.

930

Price on request

930

PSE, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

8.2

Requires Holder, Surface Mount

-55°C ~ 125°C

Slow Blow

0.383" L x 0.198" W x 0.150" H (9.73mm x 5.03mm x 3.81mm)

125 V

0454002.MR

Littelfuse Inc.

930

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	290	-	-
Tokyo Device	640	-	-

Price on request

930

Distributor	Stock	MOQ	Country
Bristol Electronics	290	-	-
Tokyo Device	640	-	-

CSA, PSE, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

8.2

Surface Mount

-55°C ~ 125°C

Slow Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

0443005.DRLC

Littelfuse Inc.

928

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	464	-	-
MW.FEP S.p.A.	464	-	-

Price on request

928

Distributor	Stock	MOQ	Country
Braun Electronic Components	464	-	-
MW.FEP S.p.A.	464	-	-

cURus

50A

5 A

Board Mount (Cartridge Style Excluded)

180.6

Surface Mount

-55°C ~ 125°C

Slow Blow

0.398" L x 0.123" W x 0.123" H (10.10mm x 3.12mm x 3.12mm)

280 V

0443003.DR

Littelfuse Inc.

920

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	463	-	-
Bristol Electronics	457	-	-

Price on request

920

Distributor	Stock	MOQ	Country
Braun Electronic Components	463	-	-
Bristol Electronics	457	-	-

cULus

50A

3 A

Board Mount (Cartridge Style Excluded)

51.44

Surface Mount

-55°C ~ 125°C

Slow Blow

0.398" L x 0.123" W x 0.123" H (10.10mm x 3.12mm x 3.12mm)

250 V

023002.5MRT1SSP

Littelfuse Inc.

920

From Bristol Electronics

Price on request

920

CE, CSA, PSE, UL

35A AC, 10kA DC

2.5 A

Cartridge, Glass

Through Hole

-55°C ~ 125°C

Slow Blow

0.177" Dia x 0.571" L (4.50mm x 14.50mm)

250 V

ERB-RE1R25V

Panasonic Electronic Components

920

From Speed Components Ltd

Price on request

920

cUL, UL

50A

1.25 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-40°C ~ 125°C

Fast Blow

0.063" L x 0.032" W x 0.025" H (1.60mm x 0.81mm x 0.63mm)

32 V

099707.5WXN

Littelfuse Inc.

910

Price on request

910

1kA

Brown

7.5 A

Automotive

Requires Holder

-40°C ~ 125°C

Fast Blow

0.429" L x 0.150" W x 0.346" H (10.90mm x 3.80mm x 8.80mm)

58 V

0452.500MR

Littelfuse Inc.

905

From Bristol Electronics

Price on request

905

CSA, UR

50A

500 mA

Board Mount (Cartridge Style Excluded)

0.24

Surface Mount

-55°C ~ 125°C

Slow Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

8020.5014.G

Schurter Inc.

900

Price on request

900

cURus

1.5kA

2 A

Cartridge, Ceramic

10.5

Requires Holder

-40°C ~ 85°C

Slow Blow

0.250" Dia x 1.252" L (6.35mm x 31.80mm)

500 V

0326015.HXP

Littelfuse Inc.

900

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	450	-	-
MW.FEP S.p.A.	450	-	-

Price on request

900

Distributor	Stock	MOQ	Country
Braun Electronic Components	450	-	-
MW.FEP S.p.A.	450	-	-

CE, CSA, K-MARK, PSE, UL

400A AC, 500A DC

15 A

Cartridge, Ceramic

245

Requires Holder

-55°C ~ 125°C

Slow Blow

0.250" Dia x 1.250" L (6.35mm x 31.75mm)

250 V

0001.2512.TR

Schurter Inc.

900

Price on request

900

cURus

1.5kA

6.3 A

Cartridge, Ceramic

171

Through Hole

-55°C ~ 125°C

Slow Blow

0.213" Dia x 0.886" L (5.40mm x 22.50mm)

250 V

0312001.H

Littelfuse Inc.

890

Across 2 distributors

Distributor	Stock	MOQ	Country
OTL Components	400	-	-
Hybrid Electronics	490	-	-

Price on request

890

Distributor	Stock	MOQ	Country
OTL Components	400	-	-
Hybrid Electronics	490	-	-

CSA, UL

35A

1 A

Cartridge, Glass

0.76

Requires Holder

-55°C ~ 125°C

Fast Blow

0.250" Dia x 1.250" L (6.35mm x 31.75mm)

250 V

0438005.WR

Littelfuse Inc.

884

From Braun Electronic Components

Price on request

884

CSA, UL

50A

5 A

Board Mount (Cartridge Style Excluded)

0.7398

Surface Mount

-55°C ~ 150°C

Fast Blow

0.061" L x 0.033" W x 0.020" H (1.54mm x 0.85mm x 0.50mm)

12 V

0230.600MRT1SSP

Littelfuse Inc.

880

From Bristol Electronics

Price on request

880

CE, CSA, UL

35A AC, 10kA DC

600 mA

Cartridge, Glass

1.75

Through Hole

-55°C ~ 125°C

Slow Blow

0.177" Dia x 0.571" L (4.50mm x 14.50mm)

250 V

0453008.MR

Littelfuse Inc.

877

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	177	-	-
Tokyo Device	700	-	-

Price on request

877

Distributor	Stock	MOQ	Country
Bristol Electronics	177	-	-
Tokyo Device	700	-	-

CSA, PSE, UL

50A

8 A

Board Mount (Cartridge Style Excluded)

20.23

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

045901.5UR

Littelfuse Inc.

871

Across 2 distributors

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	196	-	-
Tokyo Device	675	-	-

Price on request

871

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	196	-	-
Tokyo Device	675	-	-

CSA, UL

50A AC, 300A DC

1.5 A

Board Mount (Cartridge Style Excluded)

0.65

Surface Mount

-55°C ~ 125°C

Fast Blow

0.285" L x 0.170" W x 0.120" H (7.24mm x 4.32mm x 3.05mm)

125 V

02200007DRT1P

Littelfuse Inc.

870

From Bristol Electronics

Price on request

870

CE, CSA, PSE, UL

60A

3 A

Cartridge, Glass

4.62

Through Hole

-55°C ~ 125°C

Slow Blow

0.177" Dia x 0.571" L (4.50mm x 14.50mm)

350 V

0451.375MR

Littelfuse Inc.

870

From Bristol Electronics

Price on request

870

CSA, UL

50A

375 mA

Board Mount (Cartridge Style Excluded)

0.0425

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

044607.5ZRP

Littelfuse Inc.

856

Price on request

856

CSA, UL

100A AC, 50A DC

7.5 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-40°C ~ 125°C

Fast Blow

0.430" L x 0.345" W x 0.150" H (10.92mm x 8.76mm x 3.81mm)

350 V

0429007.WRM

Littelfuse Inc.

840

Price on request

840

CSA, UL

35A

7 A

Board Mount (Cartridge Style Excluded)

3.6

Surface Mount

-55°C ~ 90°C

Fast Blow

0.125" L x 0.060" W x 0.045" H (3.18mm x 1.52mm x 1.14mm)

24 V

0452.750MRL

Littelfuse Inc.

830

From Bristol Electronics

Price on request

830

CSA, UR

50A

750 mA

Board Mount (Cartridge Style Excluded)

0.904

Surface Mount

-55°C ~ 125°C

Slow Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

02301.25DRT1W

Littelfuse Inc.

830

From Bristol Electronics

Price on request

830

CSA, METI, UL

100A

1.25 A

Cartridge, Glass

9.8

Through Hole

-55°C ~ 125°C

Slow Blow

0.177" Dia x 0.571" L (4.50mm x 14.50mm)

250 V

0218016.MXP

Littelfuse Inc.

819

From Braun Electronic Components

Price on request

819

CE, UL

63A

16 A

Cartridge, Glass

1955

Requires Holder

-55°C ~ 125°C

Slow Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

043803.5WRA

Littelfuse Inc.

816

Price on request

816

CSA, UR

50A

3.5 A

Board Mount (Cartridge Style Excluded)

0.647

Surface Mount

-55°C ~ 150°C

Fast Blow

0.062" L x 0.033" W x 0.024" H (1.58mm x 0.85mm x 0.61mm)

12 V

0453002.MR

Littelfuse Inc.

804

Price on request

804

CSA, PSE, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

0.53

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

0034.1519

Schurter Inc.

800

Price on request

800

CCC, cURus, PSE/JET, VDE

35A

2 A

Cartridge, Glass

5.28

Requires Holder

-55°C ~ 125°C

Fast Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0218010.MXP

Littelfuse Inc.

800

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	400	-	-
RAD	400	-	-

Price on request

800

Distributor	Stock	MOQ	Country
Braun Electronic Components	400	-	-
RAD	400	-	-

CE, CSA, K-MARK, PSE, UL, VDE

100A

10 A

Cartridge, Glass

568

Requires Holder

-55°C ~ 125°C

Slow Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0001.2514

Schurter Inc.

800

Price on request

800

cURus, VDE

1kA AC, 1.5kA DC

10 A

Cartridge, Ceramic

400

Requires Holder

-55°C ~ 125°C

Slow Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0251002.MRT1L

Littelfuse Inc.

800

Price on request

800

CCC, CSA, cURus, PSE, TUV

50A AC, 300A DC

2 A

Board Mount (Cartridge Style Excluded)

0.405

Through Hole

-55°C ~ 125°C

Fast Blow

0.110" Dia x 0.280" L (2.80mm x 7.11mm)

125 V

0251010.MRT1

Littelfuse Inc.

800

From Speed Components Ltd

Price on request

800

CSA, cURus, TUV

50A AC, 300A DC

10 A

Board Mount (Cartridge Style Excluded)

25.5

Through Hole

-55°C ~ 125°C

Fast Blow

0.110" Dia x 0.280" L (2.80mm x 7.11mm)

125 V

3403.0022.24

Schurter Inc.

796

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	398	-	-
RAD	398	-	-

Price on request

796

Distributor	Stock	MOQ	Country
Braun Electronic Components	398	-	-
RAD	398	-	-

cURus, VDE

100A

4 A

Board Mount (Cartridge Style Excluded)

8.6

Surface Mount

-55°C ~ 125°C

Fast Blow

0.433" L x 0.181" W x 0.154" H (11.00mm x 4.60mm x 3.90mm)

250 V

045306.3MR

Littelfuse Inc.

795

From Bristol Electronics

Price on request

795

CSA, PSE, UL

50A

6.3 A

Board Mount (Cartridge Style Excluded)

9.17

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

0213.500MXP

Littelfuse Inc.

794

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	397	-	-
MW.FEP S.p.A.	397	-	-

Price on request

794

Distributor	Stock	MOQ	Country
Braun Electronic Components	397	-	-
MW.FEP S.p.A.	397	-	-

BSI, CCC, CE, CSA, SEMKO, UR, VDE

35A

500 mA

Cartridge, Glass

2.905

Requires Holder

-55°C ~ 125°C

Slow Blow

0.205" Dia x 0.787" L (5.20mm x 20.00mm)

250 V

0224.375HXP

Littelfuse Inc.

790

From Bristol Electronics

Price on request

790

CE, CSA, UL

35A AC, 10kA DC

375 mA

Cartridge, Glass

0.171

Through Hole

-55°C ~ 125°C

Fast Blow

0.185" Dia x 0.570" L (4.70mm x 14.48mm)

250 V

3402.0046.24

Schurter Inc.

787

From Braun Electronic Components

Price on request

787

cURus

50A

750 mA

Board Mount (Cartridge Style Excluded)

0.031

Surface Mount

-55°C ~ 125°C

Fast Blow

0.291" L x 0.122" W x 0.102" H (7.40mm x 3.10mm x 2.60mm)

63 V

0451.630MRL

Littelfuse Inc.

785

From Bristol Electronics

Price on request

785

CSA, UL

50A

630 mA

Board Mount (Cartridge Style Excluded)

0.143

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

5MF 1.5-R

Bel Fuse

783

From Bristol Electronics

Price on request

783

CE, CSA, cULus, PSE

200A

1.5 A

Cartridge, Glass

2.6

Requires Holder

-55°C ~ 125°C

Fast Blow

0.201" Dia x 0.787" L (5.10mm x 20.00mm)

250 V

0451005.MR

Littelfuse Inc.

775

From Bristol Electronics

Price on request

775

CSA, PSE, UL

50A

5 A

Board Mount (Cartridge Style Excluded)

5.566

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)

125 V

0202003.HXG

Littelfuse Inc.

775

From Bristol Electronics

Price on request

775

CSA, UL

50A

3 A

Board Mount (Cartridge Style Excluded)

1.71

Surface Mount

-55°C ~ 125°C

Fast Blow

0.372" L x 0.250" W x 0.165" H (9.45mm x 6.35mm x 4.19mm)

250 V

ATC-3

Eaton - Bussmann Electrical Division

770

From Bristol Electronics

Price on request

770

1kA

Violet

3 A

Automotive

Requires Holder

Fast Blow

0.760" L x 0.207" W x 0.492" H (19.30mm x 5.25mm x 12.50mm)

32 V

Showing 551-600 of 24,959 products

About Fuses

Fuses are essential components in circuit protection, designed to safeguard electrical circuits from overloads and short circuits. They operate by breaking the circuit when the current exceeds a predetermined level, thus preventing damage to connected devices.

When sourcing fuses, it is crucial to consider several important attributes. Key specifications include the approval agency, breaking capacity at rated voltage, current rating in amps, and fuse type. Understanding these parameters will help you select the appropriate fuse for your specific application.

Fuses are widely used in various applications, including new product design and prototyping, production electronics assembly, maintenance and field replacement, and engineering evaluation and qualification. Each application may require different fuse characteristics, making it essential to validate lifecycle status and explore alternate-source options before submitting a Request for Quotation (RFQ).

Buyers should prioritize critical specifications such as approval agency and breaking capacity when comparing fuses. Additionally, confirming mechanical and electrical compatibility with existing design constraints is vital to reduce sourcing risks. Utilize parametric filtering to streamline your selection process and ensure that the components meet your project requirements.

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Fuses

What are Fuses ?

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Fuses

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