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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

0157001.DR

Littelfuse Inc.

343

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	3	-	-
Bristol Electronics	340	-	-

Price on request

343

Distributor	Stock	MOQ	Country
Speed Components Ltd	3	-	-
Bristol Electronics	340	-	-

cULus, PSE

50A

1 A

Board Mount (Cartridge Style Excluded)

0.459

Requires Holder, Surface Mount

-55°C ~ 125°C

Fast Blow

0.256" L x 0.146" W x 0.154" H (6.50mm x 3.70mm x 3.90mm)

125 V

0314025.MXP

Littelfuse Inc.

340

Across 2 distributors

Distributor	Stock	MOQ	Country
Braun Electronic Components	170	-	-
RAD	170	-	-

Price on request

340

Distributor	Stock	MOQ	Country
Braun Electronic Components	170	-	-
RAD	170	-	-

CE, K-MARK, PSE, UL

100A AC, 400A DC

25 A

Cartridge, Ceramic

1450

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

0463025.ER

Littelfuse Inc.

339

Across 2 distributors

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	65	-	-
Bristol Electronics	274	-	-

Price on request

339

Distributor	Stock	MOQ	Country
MW.FEP S.p.A.	65	-	-
Bristol Electronics	274	-	-

cURus

100A AC, 50A DC

25 A

Board Mount (Cartridge Style Excluded)

668

Surface Mount

-55°C ~ 125°C

Fast Blow

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

250 V

0034.6610

Schurter Inc.

333

From Braun Electronic Components

Price on request

333

CCC, cURus, KC, VDE

35A AC, 50A DC

315 mA

Board Mount (Cartridge Style Excluded)

0.8

Through Hole

-55°C ~ 125°C

Slow Blow

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

250 V

0251003.MRT1L

Littelfuse Inc.

332

Across 2 distributors

Distributor	Stock	MOQ	Country
Components Technology Group, Inc.	325	-	-
Hybrid Electronics	7	-	-

Price on request

332

Distributor	Stock	MOQ	Country
Components Technology Group, Inc.	325	-	-
Hybrid Electronics	7	-	-

CCC, CSA, cURus, PSE, TUV

50A AC, 300A DC

3 A

Board Mount (Cartridge Style Excluded)

1.19

Through Hole

-55°C ~ 125°C

Fast Blow

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

125 V

SST 375

Bel Fuse

327

From Speed Components Ltd

Price on request

327

AEC-Q200, CE, CSA, cULus

50A

375 mA

Board Mount (Cartridge Style Excluded)

0.15

Surface Mount

-55°C ~ 125°C

Slow Blow

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

125 V

3402.0017.22

Schurter Inc.

315

From Bristol Electronics

Price on request

315

cURus

50A

5 A

Board Mount (Cartridge Style Excluded)

2.9

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

0218010.HXP

Littelfuse Inc.

310

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	20	-	-
Hybrid Electronics	290	-	-

Price on request

310

Distributor	Stock	MOQ	Country
Speed Components Ltd	20	-	-
Hybrid Electronics	290	-	-

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

ATM-15

Eaton - Bussmann Electrical Division

305

From Bristol Electronics

Price on request

305

1kA

Blue

15 A

Automotive

Requires Holder

Fast Blow

0.430" L x 0.150" W x 0.347" H (10.92mm x 3.81mm x 8.81mm)

32 V

0451012.MRL

Littelfuse Inc.

302

Across 2 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	6	-	-
Tokyo Device	296	-	-

Price on request

302

Distributor	Stock	MOQ	Country
Bristol Electronics	6	-	-
Tokyo Device	296	-	-

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

168.6585.4206

Littelfuse Inc.

300

From Bristol Electronics

Price on request

300

cULus

1kA

Gray

2 A

Automotive

3.31

Through Hole

Fast Blow

0.469" L x 0.150" W x 0.335" H (11.90mm x 3.80mm x 8.50mm)

32 V

021802.5HXP

Littelfuse Inc.

300

From Bristol Electronics

Price on request

300

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

35A

2.5 A

Cartridge, Glass

23.25

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0229001.HXP

Littelfuse Inc.

300

From Bristol Electronics

Price on request

300

CE, CSA, PSE, UL

35A AC, 10kA DC

1 A

Cartridge, Glass

5.64

Requires Holder

-55°C ~ 125°C

Slow Blow

0.177" Dia x 0.570" L (4.50mm x 14.48mm)

250 V

044302.5DR

Littelfuse Inc.

300

Price on request

300

cULus

50A

2.5 A

Board Mount (Cartridge Style Excluded)

18.13

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

0217010.MXP

Littelfuse Inc.

300

Price on request

300

CE, K-MARK, PSE, VDE

100A

10 A

Cartridge, Glass

217.635

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

BK/S505-5-R

Eaton - Electronics Division

300

Price on request

300

BSI, CCC/CQC, CSA, cULus, IMQ, KC, PSE/JET, SEMKO, VDE

1.5kA

5 A

Cartridge, Ceramic

71.3

Requires Holder

Slow Blow

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

250 V

0217.500H

Littelfuse Inc.

300

From Bristol Electronics

Price on request

300

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

35A

500 mA

Cartridge, Glass

0.219

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

BK/ATC-10

Eaton - Bussmann Electrical Division

298

Price on request

298

1kA

Red

10 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

0299080.ZXNV

Littelfuse Inc.

297

From Bristol Electronics

Price on request

297

1kA

Clear

80 A

Automotive

8800

Requires Holder

-40°C ~ 125°C

Slow Blow

1.150" L x 0.348" W x 0.850" H (29.21mm x 8.85mm x 21.59mm)

32 V

0451008.MRL

Littelfuse Inc.

296

Across 3 distributors

Distributor	Stock	MOQ	Country
Bristol Electronics	55	-	-
Hybrid Electronics	11	-	-
Tokyo Device	230	-	-

Price on request

296

Distributor	Stock	MOQ	Country
Bristol Electronics	55	-	-
Hybrid Electronics	11	-	-
Tokyo Device	230	-	-

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

F0402E0R50FSTR

Kyocera AVX

290

From Speed Components Ltd

Price on request

290

cUL, UL

50A

500 mA

Board Mount (Cartridge Style Excluded)

0.0003

Surface Mount

-55°C ~ 125°C

Fast Blow

0.039" L x 0.022" W x 0.016" H (1.00mm x 0.55mm x 0.40mm)

32 V

8020.5019

Schurter Inc.

290

Price on request

290

cURus

1.5kA

6.3 A

Cartridge, Ceramic

225

Requires Holder

-40°C ~ 85°C

Slow Blow

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

500 V

8020.5014

Schurter Inc.

290

Price on request

290

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

0034.3121

Schurter Inc.

290

Price on request

290

CCC, cURus, PSE/JET, VDE

35A

2.5 A

Cartridge, Glass

21.9

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0678L9300-02

Bel Fuse

290

From Bristol Electronics

Price on request

290

AEC-Q200, cURus

100A AC, 130A DC

30 A

Board Mount (Cartridge Style Excluded)

1000

Surface Mount

-55°C ~ 125°C

Medium Blow

0.386" L x 0.120" W x 0.125" H (9.80mm x 3.05mm x 3.18mm)

250 V

0685T3000-01

Bel Fuse

289

From Bristol Electronics

Price on request

289

AEC-Q200, CE, cURus

50A

3 A

Board Mount (Cartridge Style Excluded)

1.64

Surface Mount

-55°C ~ 125°C

Slow Blow

0.126" L x 0.062" W x 0.025" H (3.20mm x 1.58mm x 0.63mm)

63 V

3404.0012.22

Schurter Inc.

286

From Speed Components Ltd

Price on request

286

cURus

100A

2 A

Board Mount (Cartridge Style Excluded)

0.44

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

1206SFS100F/63-2

Littelfuse Inc.

285

From Braun Electronic Components

Price on request

285

50A

1 A

Board Mount (Cartridge Style Excluded)

0.11

Surface Mount

-55°C ~ 125°C

Slow Blow

0.126" L x 0.063" W x 0.038" H (3.20mm x 1.60mm x 0.97mm)

63 V

3413.0328.22

Schurter Inc.

283

Price on request

283

cURus

100A

10 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-55°C ~ 90°C

Slow Blow

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

32 V

0001.1036

Schurter Inc.

280

Price on request

280

1kA

16 A

Cartridge, Glass

455

Requires Holder

-40°C ~ 85°C

Fast Blow

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

250 V

0452003.MR

Littelfuse Inc.

270

From Bristol Electronics

Price on request

270

CSA, PSE, UR

50A

3 A

Board Mount (Cartridge Style Excluded)

20.16

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

0251001.MXL

Littelfuse Inc.

270

Price on request

270

CCC, CSA, cURus, PSE, TUV

50A AC, 300A DC

1 A

Board Mount (Cartridge Style Excluded)

0.256

Through Hole

-55°C ~ 125°C

Fast Blow

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

125 V

021501.6MXP

Littelfuse Inc.

268

Price on request

268

CCC, CE, CSA, KC, PSE, SEMKO, UL, VDE

1.5kA

1.6 A

Cartridge, Ceramic

6.83

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0034.6014

Schurter Inc.

266

From Bristol Electronics

Price on request

266

CCC, cURus, VDE

35A

1 A

Board Mount (Cartridge Style Excluded)

0.33

Through Hole

-40°C ~ 85°C

Fast Blow

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

250 V

0679H0630-05

Bel Fuse

263

From Bristol Electronics

Price on request

263

cURus

50A AC, 100A DC

630 mA

Board Mount (Cartridge Style Excluded)

0.15

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

0459.500UR

Littelfuse Inc.

263

From Bristol Electronics

Price on request

263

CSA, UL

50A AC, 300A DC

500 mA

Board Mount (Cartridge Style Excluded)

0.0546

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

0034.3107

Schurter Inc.

260

Price on request

260

CCC, cURus, VDE

35A

100 mA

Cartridge, Glass

0.107

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

0154003.DRTL

Littelfuse Inc.

258

From Bristol Electronics

Price on request

258

PSE, UL

50A

3 A

Board Mount (Cartridge Style Excluded)

20.16

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

MJS 100-R

Bel Fuse

250

From Bristol Electronics

Price on request

250

CE, CSA, cULus

200A

100 mA

Cartridge, Glass

0.068

Through Hole

-55°C ~ 125°C

Slow Blow

0.217" Dia x 0.591" L (5.50mm x 15.00mm)

250 V

MAX-80

Eaton - Bussmann Electrical Division

250

From Bristol Electronics

Price on request

250

1kA

Clear

80 A

Automotive

Requires Holder

Fast Blow

1.150" L x 0.350" W x 0.850" H (29.21mm x 8.89mm x 21.59mm)

32 V

0034.6613

Schurter Inc.

240

Across 2 distributors

Distributor	Stock	MOQ	Country
Fe Components	40	40	-
Partservice	200	-	-

Price on request

240

Distributor	Stock	MOQ	Country
Fe Components	40	40	-
Partservice	200	-	-

CCC, cURus, KC, VDE

35A AC, 50A DC

630 mA

Board Mount (Cartridge Style Excluded)

Through Hole

-55°C ~ 125°C

Slow Blow

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

250 V

0216008.MXEP

Littelfuse Inc.

240

Price on request

240

CE, CSA, KC, PSE, SEMKO, TUV, UR

1.5kA

8 A

Cartridge, Ceramic

64.315

Through Hole

-55°C ~ 125°C

Fast Blow

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

250 V

044003.5WRA

Littelfuse Inc.

240

From Bristol Electronics

Price on request

240

CSA, UR

50A

3.5 A

Board Mount (Cartridge Style Excluded)

1.789

Surface Mount

-55°C ~ 150°C

0.126" L x 0.064" W x 0.033" H (3.20mm x 1.63mm x 0.84mm)

32 V

0460.375UR

Littelfuse Inc.

235

From Bristol Electronics

Price on request

235

CSA, UL

50A

375 mA

Board Mount (Cartridge Style Excluded)

0.085

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

0313004.HXP

Littelfuse Inc.

231

Price on request

231

CE, CSA, K-MARK, PSE, UL

200A

4 A

Cartridge, Glass

76.1

Requires Holder

-55°C ~ 125°C

Slow Blow

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

250 V

162.6185.4202

Littelfuse Inc.

230

Price on request

230

cULus

1kA

Gray

2 A

Automotive

Requires Holder

Fast Blow

0.748" L x 0.197" W x 0.520" H (19.00mm x 5.00mm x 13.20mm)

32 V

3404.2418.22

Schurter Inc.

230

From Braun Electronic Components

Price on request

230

cURus, VDE

200A AC, 35A DC

1.6 A

Board Mount (Cartridge Style Excluded)

6.9

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

3404.0017.22

Schurter Inc.

228

From Speed Components Ltd

Price on request

228

cURus

100A

5 A

Board Mount (Cartridge Style Excluded)

2.9

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

0465005.DR

Littelfuse Inc.

225

From Bristol Electronics

Price on request

225

PSE, UMF

100A

5 A

Board Mount (Cartridge Style Excluded)

Surface Mount

-55°C ~ 125°C

Slow Blow

0.476" L x 0.177" W x 0.177" H (12.10mm x 4.50mm x 4.50mm)

250 V

0217002.MXP

Littelfuse Inc.

220

Across 2 distributors

Distributor	Stock	MOQ	Country
Speed Components Ltd	200	-	-
Hybrid Electronics	20	-	-

Price on request

220

Distributor	Stock	MOQ	Country
Speed Components Ltd	200	-	-
Hybrid Electronics	20	-	-

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

35A

2 A

Cartridge, Glass

5.73

Requires Holder

-55°C ~ 125°C

Fast Blow

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

250 V

Showing 701-750 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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