250 V Fuses 1,253

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Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

0242.100UR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

100 mA

Wraparound

980 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0009

Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

BK/MDA-15

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

15 A

End Cap

238.1 J

750 A

2 m

Bulk

0.25 in (6.35 mm)

0.248 x 1.26 in (6.3 x 32 mm)

1.254 in (31.85 mm)

CSA; UL

Time Delay

MDA-15

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

15 A

End Cap

206.2 J

Nickel

750 A

238.1

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Time Delay

0215.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

420 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

0.42

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; IEC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0326.010HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

10 mA

End Cap

1.48 mJ

-55 °C (-67 °F)

Nickel

100 A

4 h

0.0014

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE

125 °C (257 °F)

Time Lag

0326010.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

10 A

End Cap

137 J

-55 °C (-67 °F)

Nickel

400 A

4 h

137

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0215001MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

1.52

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215001.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

1.52 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

1.52

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

032503.2HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

3.2 A

Pin Wire

214 J

-55 °C (-67 °F)

Tin

100 A

4 h

214

Bulk

0.275 in (6.99 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

032603.2HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

3.2 A

End Cap

214 J

-55 °C (-67 °F)

Nickel

100 A

4 h

214

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0242.050UAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

50 mA

Pin Wire

100 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0001

Ammo Pack; Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

032501.2VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.2 A

Pin Wire

-55 °C (-67 °F)

Tin

4 h

22

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

0325012.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

12 A

Pin Wire

-55 °C (-67 °F)

Tin

4 h

129

0.275 in (6.985 mm)

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

ESD40

Eaton Corporation

Electric Fuse

Inline/Holder

415 V

250 V

40 A

Tab/Blade

1.5 kJ

80 kA

Rated Breaking Capacity at 250 VDC: 80000 A

Box

0.689 in (17.5 mm)

0.689 x 1.398 in (17.5 x 35.5 mm)

1.398 in (35.5 mm)

IEC

3403.0275.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.25 A

Wraparound

4.05 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

74-4SG750MA

Nte Electronics

Electric Fuse

Inline/Holder

250 V

250 V

750 mA

End Cap

35 A

2 m

0.177 in (4.5 mm)

2AG

0.591 in (15 mm)

UL

Slow

02151.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.25 A

End Cap

3.2 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

3.2

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215.125MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

125 mA

End Cap

33 mJ

-55 °C (-67 °F)

Tin

1.5 kA

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

0.033

Bulk

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; SEMKO; UL

125 °C (257 °F)

Time Lag

56000001019

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

Pin Wire

-40 °C (-40 °F)

Tin

Bulk

0.374 in (9.5 mm)

e3

TR5

0.169 in (4.3 mm)

UL; VDE

85 °C (185 °F)

L25S150

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

1.22 in (31 mm)

1.22 x 1.626 in (31 x 41.3 mm)

1.626 in (41.3 mm)

CE; CSA; UL

Very Fast

MDL-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

63.1 J

35 A

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Time Delay

3403.0012.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

250 V

400 mA

Wraparound

20 mJ

-55 °C (-67 °F)

Tin

100 A

Bulk

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

1 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

3403.0013.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

250 V

500 mA

Wraparound

30 mJ

-55 °C (-67 °F)

Tin

100 A

Bulk

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

1 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

3403.0271.11

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

500 mA

Wraparound

620 mJ

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Bulk

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0276.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.6 A

Wraparound

4.66 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

OT450

Mersen S A

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

50 kA

Rated Breaking Capacity at 250 VDC: 20000 A

2.598 in (66 mm)

2.598 x 5.906 in (66 x 150 mm)

5.906 in (150 mm)

CSA; UL

TR1R

Mersen S A

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Time Delay

CCMR050.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.85 in (21.6 mm)

600 V

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

MDA-1/2

Cooper Industries

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

2.3 J

Nickel

35 A

0.25 in (6.35 mm)

0.25 x 1.292 in (6.35 x 32.82 mm)

1.292 in (32.82 mm)

CSA; UL

Time Delay

MDL-2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

2 A

End Cap

62.3 J

Nickel

100 A

68.6

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Time Delay

MST3.15A250V

Spc Technology/ Multicomp

Electric Fuse

Through Hole Mount

250 V

250 V

3.15 A

Pin Wire

84.341 J

-55 °C (-67 °F)

100 A

0.329 in (8.35 mm)

0.169 in (4.3 mm)

20 ms

0.329 x 0.169 x 0.303 in (8.35 x 4.3 x 7.7 mm)

0.303 in (7.7 mm)

125 °C (257 °F)

Slow

0216005MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Wire

27.46 J

-55 °C (-67 °F)

Tin

1.5 kA

10 ms

Bulk

0.228 in (5.8 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Fast

0242.100UAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

100 mA

Pin Wire

980 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0009

Ammo Pack; Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

3403.0012.24

Schurter Ag

Electric Fuse

Surface Mount

250 V

250 V

400 mA

Wraparound

20 mJ

-55 °C (-67 °F)

Tin

100 A

Tape And Reel, 13 inch

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

1 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

3403.0020.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

250 V

2.5 A

Wraparound

2.6 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

1 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

46212000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

2 A

Wraparound

5.44 J

-40 °C (-40 °F)

Matte Tin

150 A

10 ms

5.44

Tape And Reel

0.413 in (10.5 mm)

0.177 in (4.5 mm)

e3

250 V

Nano

0.177 x 0.177 x 0.413 in (4.5 x 4.5 x 10.5 mm)

0.177 in (4.5 mm)

CUL; PSE; VDE; UL

85 °C (185 °F)

Time Lag

FRN-R-300

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

300 A

Tab/Blade

200 kA

10 s

Rated Breaking Capacity at 250 VDC: 20000 A

Box

2.38 in (60.452 mm)

RK5

250 V

2.38 x 8.63 in (60.45 x 219.2 mm)

8.63 in (219.202 mm)

CE; CSA; UL

Time Delay

FRN-R-450

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

200 kA

10 s

Rated Breaking Capacity at 250 VDC: 20000 A

Box

2.88 in (73.152 mm)

RK5

250 V

2.88 x 10.38 in (73.15 x 263.65 mm)

10.38 in (263.652 mm)

CE; CSA; UL

Time Delay

KLB1

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

200 kA

KLB

Rated Breaking Capacity at 250 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

LPN-RK-110SPI

Cooper Industries

Electric Fuse

Inline/Holder

250 V

250 V

110 A

Tab/Blade

300 kA

LPN-RK

Rated Breaking Capacity at 250 VDC: 100000 A

Box

1.61 in (40.89 mm)

Indicator

1.61 x 7.13 in (40.89 x 181.1 mm)

7.13 in (181.1 mm)

CSA; UL

Time Delay

MST4A250V

Spc Technology/ Multicomp

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

144 J

-55 °C (-67 °F)

100 A

0.329 in (8.35 mm)

0.169 in (4.3 mm)

20 ms

0.329 x 0.169 x 0.303 in (8.35 x 4.3 x 7.7 mm)

0.303 in (7.7 mm)

125 °C (257 °F)

Slow

0215.630MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

630 mA

End Cap

635 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

0.635

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; IEC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215004MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

46.96 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

46.96

Bulk

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215004.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

46.96 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

46.96

Bulk

0.205 in (5.2 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0326004.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

4 A

End Cap

9.71 J

-55 °C (-67 °F)

Nickel

400 A

4 h

9.71

Bulk

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

15SRC250

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

15 A

End Cap

0.8 in (20.32 mm)

2.97 in (75.43 mm)

203.250

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

12.6 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

250 V

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

221002

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

2 A

Pin Wire

6.95 J

1.5 kA

10 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CSA; CUL; SEMKO; SEV; PSE; VDE; UL

Time Lag

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.