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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

0251.500MRT1

Littelfuse Inc.

755

From Bristol Electronics

Price on request

755

CCC, CSA, cURus, TUV

50A AC, 300A DC

500 mA

Board Mount (Cartridge Style Excluded)

0.0598

Through Hole

-55°C ~ 125°C

Fast Blow

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

125 V

02153.15MXE

Littelfuse Inc.

750

From Bristol Electronics

Price on request

750

BSI, CSA, K-MARK, METI, SEMKO, UL

1.5kA

3.15 A

Cartridge, Ceramic

21.2

Through Hole

-55°C ~ 125°C

Slow Blow

0.228" Dia x 0.886" L (5.80mm x 22.50mm)

250 V

3410.0027.02

Schurter Inc.

750

Price on request

750

cURus

50A AC, 300A DC

500 mA

Board Mount (Cartridge Style Excluded)

0.0042

Surface Mount

-55°C ~ 150°C

Fast Blow

0.126" L x 0.061" W x 0.061" H (3.20mm x 1.55mm x 1.55mm)

125 V

3404.0121.22

Schurter Inc.

750

Price on request

750

cULus

100A

5 A

Board Mount (Cartridge Style Excluded)

20.8

Surface Mount

-40°C ~ 85°C

Slow Blow

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

125 V

0452012.MRL

Littelfuse Inc.

744

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	743	-	-
RAD	1	-	-

Price on request

744

Distributor	Stock	MOQ	Country
Braun Electronic Components	743	-	-
RAD	1	-	-

CSA, UR

50A

12 A

Board Mount (Cartridge Style Excluded)

260.46

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)

72 V

0451.160MRSN

Littelfuse Inc.

743

From Bristol Electronics

Price on request

743

CSA, UR

50A

160 mA

Board Mount (Cartridge Style Excluded)

0.0048

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

0476007.MR

Littelfuse Inc.

740

From Bristol Electronics

Price on request

740

cURus

100A AC, 300A DC

7 A

Board Mount (Cartridge Style Excluded)

7.8

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

0437.375WR

Littelfuse Inc.

739

Price on request

739

CSA, UR

50A

375 mA

Board Mount (Cartridge Style Excluded)

0.01

Surface Mount

-55°C ~ 150°C

Fast Blow

0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)

125 V

0679H9150-01

Bel Fuse

737

Across 2 distributors

Distributor	Stock	MOQ	Country
Kinova	Stock on Request	-	-
Braun Electronic Components	737	-	-

Price on request

737

Distributor	Stock	MOQ	Country
Kinova	Stock on Request	-	-
Braun Electronic Components	737	-	-

cURus

50A AC, 100A DC

15 A

Board Mount (Cartridge Style Excluded)

103.5

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)

350 V

0679H9120-01

Bel Fuse

735

From Braun Electronic Components

Price on request

735

cURus

50A AC, 100A DC

12 A

Board Mount (Cartridge Style Excluded)

38.9

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)

350 V

0679H6300-01

Bel Fuse

730

From Braun Electronic Components

Price on request

730

cURus

50A AC, 100A DC

6.3 A

Board Mount (Cartridge Style Excluded)

8.3

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)

350 V

0448.500MR

Littelfuse Inc.

726

Price on request

726

CSA, UL

50A

500 mA

Board Mount (Cartridge Style Excluded)

0.1

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

0679H8000-01

Bel Fuse

714

From Braun Electronic Components

Price on request

714

cURus

50A AC, 100A DC

8 A

Board Mount (Cartridge Style Excluded)

14.1

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)

350 V

0460002.UR

Littelfuse Inc.

707

Across 3 distributors

Distributor	Stock	MOQ	Country
Innova Technologies	155	-	-
Bristol Electronics	228	-	-
Tokyo Device	324	-	-

Price on request

707

Distributor	Stock	MOQ	Country
Innova Technologies	155	-	-
Bristol Electronics	228	-	-
Tokyo Device	324	-	-

CSA, PSE, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

7.6

Surface Mount

-55°C ~ 125°C

Slow Blow

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

125 V

3404.2419.11

Schurter Inc.

702

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	351	-	-
MW.FEP S.p.A.	351	-	-

Price on request

702

Distributor	Stock	MOQ	Country
Braun Electronic Components	351	-	-
MW.FEP S.p.A.	351	-	-

cURus, VDE

200A AC, 35A DC

2 A

Board Mount (Cartridge Style Excluded)

7.3

Requires Holder, Surface Mount

-40°C ~ 85°C

Slow Blow

0.445" L x 0.165" W x 0.157" H (11.30mm x 4.20mm x 4.00mm)

277 V

04513.15MRL

Littelfuse Inc.

700

Price on request

700

CSA, PSE, UL

50A

3.15 A

Board Mount (Cartridge Style Excluded)

1.92

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

0215008.H

Littelfuse Inc.

700

From Bristol Electronics

Price on request

700

CSA, K-MARK, METI, UL

1.5kA

8 A

Cartridge, Ceramic

209.5

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0437003.WR

Littelfuse Inc.

700

Price on request

700

CSA, UR

50A

3 A

Board Mount (Cartridge Style Excluded)

0.4

Surface Mount

-55°C ~ 150°C

Fast Blow

0.126" L x 0.064" W x 0.032" H (3.20mm x 1.63mm x 0.82mm)

32 V

0230003.DRT1P

Littelfuse Inc.

700

Price on request

700

CE, CSA, PSE, UL

35A AC, 10kA DC

3 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

0218015.MXP

Littelfuse Inc.

700

Price on request

700

CSA, PSE, UL, VDE

100A

15 A

Cartridge, Glass

1405

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

5SF 1.25-R

Bel Fuse

700

From Bristol Electronics

Price on request

700

CCC, CE, CSA, cURus, IMQ, SEMKO, VDE

35A

1.25 A

Cartridge, Glass

2.5

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

0034.3117

Schurter Inc.

699

Across 4 distributors

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	43	-	-
OTL Components	23	-	-
DYNACO PRODUCTS	3	-	-
Partservice	630	-	-

Price on request

699

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	43	-	-
OTL Components	23	-	-
DYNACO PRODUCTS	3	-	-
Partservice	630	-	-

CCC, cURus, PSE/JET, VDE

35A

1 A

Cartridge, Glass

3.3

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

2040.0615

Schurter Inc.

687

From Bristol Electronics

Price on request

687

CCC, cURus, VDE

35A

1 A

Board Mount (Cartridge Style Excluded)

Through Hole

-40°C ~ 85°C

Slow Blow

0.335" Dia x 0.335" H (8.50mm x 8.50mm)

250 V

0459001.UR

Littelfuse Inc.

686

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	355	-	-
Tokyo Device	331	-	-

Price on request

686

Distributor	Stock	MOQ	Country
Bristol Electronics	355	-	-
Tokyo Device	331	-	-

CSA, UL

50A AC, 300A DC

1 A

Board Mount (Cartridge Style Excluded)

0.281

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

0679H4000-01

Bel Fuse

686

From Braun Electronic Components

Price on request

686

cURus

50A AC, 150A DC

4 A

Board Mount (Cartridge Style Excluded)

3.5

Surface Mount

-55°C ~ 125°C

Fast Blow

0.240" L x 0.100" W x 0.110" H (6.10mm x 2.54mm x 2.79mm)

350 V

0448.125MR

Littelfuse Inc.

679

From Bristol Electronics

Price on request

679

CSA, UL

50A

125 mA

Board Mount (Cartridge Style Excluded)

0.0013

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

08851.25DR

Littelfuse Inc.

675

Price on request

675

cURus, TUV

100A

1.25 A

Board Mount (Cartridge Style Excluded)

1.25

Surface Mount

-40°C ~ 85°C

0.428" L x 0.188" W x 0.188" H (10.86mm x 4.78mm x 4.78mm)

500 V

0213004.MRET1P

Littelfuse Inc.

670

From Bristol Electronics

Price on request

670

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

40A

4 A

Cartridge, Glass

226.505

Through Hole

-55°C ~ 125°C

Slow Blow

0.228" Dia x 0.886" L (5.80mm x 22.50mm)

250 V

02183.15HXP

Littelfuse Inc.

664

Across 2 distributors

Distributor	Stock	MOQ	Country
HMB Electronics LLC	258	-	-
Speed Components Ltd	406	-	-

Price on request

664

Distributor	Stock	MOQ	Country
HMB Electronics LLC	258	-	-
Speed Components Ltd	406	-	-

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

35A

3.15 A

Cartridge, Glass

38.15

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0273003.H

Littelfuse Inc.

657

Across 3 distributors

Distributor	Stock	MOQ	Country
Fe Components	400	-	-
ADI/AAR OEM Supply	2	-	-
Bristol Electronics	255	-	-

Price on request

657

Distributor	Stock	MOQ	Country
Fe Components	400	-	-
ADI/AAR OEM Supply	2	-	-
Bristol Electronics	255	-	-

CSA, QPL, UL

10kA

3 A

Board Mount (Cartridge Style Excluded)

0.759

Through Hole

-55°C ~ 85°C

Fast Blow

0.250" Dia x 0.350" H (6.35mm x 8.89mm)

125 V

0218.800MXP

Littelfuse Inc.

655

From Braun Electronic Components

Price on request

655

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

35A

800 mA

Cartridge, Glass

3.37

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0287001.PXCN

Littelfuse Inc.

645

From Bristol Electronics

Price on request

645

1kA

Black

1 A

Automotive

0.4

Requires Holder

-40°C ~ 105°C

Fast Blow

0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)

32 V

0498060.M

Littelfuse Inc.

640

Price on request

640

1kA

60 A

Automotive

Bolt Mount

-40°C ~ 125°C

Slow Blow

1.614" L x 0.472" W x 0.315" H (41.00mm x 12.00mm x 8.00mm)

32 V

0477001.MXP

Littelfuse Inc.

640

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	601	-	-
MW.FEP S.p.A.	39	-	-

Price on request

640

Distributor	Stock	MOQ	Country
Braun Electronic Components	601	-	-
MW.FEP S.p.A.	39	-	-

cULus, PSE, SEMKO, VDE

100A AC, 1.5kA DC

1 A

Cartridge, Ceramic

1.8

Requires Holder

-55°C ~ 125°C

Slow Blow

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

500 V

0446005.ZRP

Littelfuse Inc.

630

Price on request

630

CSA, UL

100A AC, 50A DC

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

0001.1016

Schurter Inc.

629

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	19	-	-
Bristol Electronics	610	-	-

Price on request

629

Distributor	Stock	MOQ	Country
Speed Components Ltd	19	-	-
Bristol Electronics	610	-	-

cURus

1kA

16 A

Cartridge, Ceramic

461

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

0997003.WXN

Littelfuse Inc.

625

Across 2 distributors

Distributor	Stock	MOQ	Country
NTD Electronics	590	-	-
MW.FEP S.p.A.	35	-	-

Price on request

625

Distributor	Stock	MOQ	Country
NTD Electronics	590	-	-
MW.FEP S.p.A.	35	-	-

1kA

Violet

3 A

Automotive

9.4

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

0218002.MXP

Littelfuse Inc.

624

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	424	-	-
Bristol Electronics	200	-	-

Price on request

624

Distributor	Stock	MOQ	Country
Braun Electronic Components	424	-	-
Bristol Electronics	200	-	-

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

35A

2 A

Cartridge, Glass

14.45

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0453005.MR

Littelfuse Inc.

621

Price on request

621

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

5SF 80-R

Bel Fuse

620

From Bristol Electronics

Price on request

620

CCC, CE, CSA, cURus, IMQ, SEMKO, VDE

35A

80 mA

Cartridge, Glass

0.003

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

046003.5UR

Littelfuse Inc.

616

Across 2 distributors

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	116	-	-
Bristol Electronics	500	-	-

Price on request

616

Distributor	Stock	MOQ	Country
ADI/AAR OEM Supply	116	-	-
Bristol Electronics	500	-	-

CSA, PSE, UL

50A

3.5 A

Board Mount (Cartridge Style Excluded)

26.8

Surface Mount

-55°C ~ 125°C

Slow Blow

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

125 V

0466.250NRHF

Littelfuse Inc.

611

From Bristol Electronics

Price on request

611

CSA, UL

50A

250 mA

Board Mount (Cartridge Style Excluded)

0.001

Surface Mount

-55°C ~ 90°C

Fast Blow

0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)

125 V

3413.0219.22

Schurter Inc.

610

From Bristol Electronics

Price on request

610

cURus, VDE

63A

2 A

Board Mount (Cartridge Style Excluded)

0.79

Surface Mount

-55°C ~ 90°C

Fast Blow

0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm)

32 V

0460003.UR

Littelfuse Inc.

610

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	110	-	-
Innova Technologies	500	-	-

Price on request

610

Distributor	Stock	MOQ	Country
Speed Components Ltd	110	-	-
Innova Technologies	500	-	-

CSA, PSE, UL

50A

3 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-55°C ~ 125°C

Slow Blow

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

125 V

0466.375NRHF

Littelfuse Inc.

600

Price on request

600

CSA, UL

50A

375 mA

Board Mount (Cartridge Style Excluded)

0.0028

Surface Mount

-55°C ~ 90°C

Fast Blow

0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)

125 V

0218.160MXP

Littelfuse Inc.

597

From Braun Electronic Components

Price on request

597

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

35A

160 mA

Cartridge, Glass

0.219

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

3404.0016.22

Schurter Inc.

593

Price on request

593

cURus

100A

4 A

Board Mount (Cartridge Style Excluded)

2.1

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)

125 V

0453012.MR

Littelfuse Inc.

591

Price on request

591

CSA, UL

50A

12 A

Board Mount (Cartridge Style Excluded)

47.97

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)

65 V

0433002.NR

Littelfuse Inc.

585

From Speed Components Ltd

Price on request

585

CSA, UL

50A

2 A

Board Mount (Cartridge Style Excluded)

0.23

Surface Mount

-55°C ~ 90°C

Fast Blow

0.125" L x 0.060" W x 0.023" H (3.18mm x 1.52mm x 0.58mm)

63 V

0034.1510

Schurter Inc.

579

Price on request

579

CCC, cURus, VDE

35A

250 mA

Cartridge, Glass

0.0159

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

Showing 601-650 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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