Fuses

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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

021706.3HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

62.465 J

-55 °C (-67 °F)

Nickel

63 A

10 ms

62.465

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)

Very Fast

0217.063HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

63 mA

End Cap

560 μJ

-55 °C (-67 °F)

Tin

35 A

3 ms

Pre Arcing Time: Open within 0.01 s at 400% Rated Current

Bulk

0.205 in (5.2 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; SEMKO; UL; VDE

125 °C (257 °F)

Very Fast

02170.63HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

630 mA

End Cap

410 mJ

-55 °C (-67 °F)

35 A

10 ms

Pre Arcing Time: Open within 10 ms at 400% Rated Current

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; CUL; KC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

0287040.PXCN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.3 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0473005.MRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

5 A

Pin Wire

54.8 J

-60 °C (-76 °F)

Tin

50 A

2 ms

Pre Arcing Time: Blow within 0.002 s at 800% Rated Current

54.8

Tape And Reel

0.135 in (3.43 mm)

e3

125 V

Pico

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Time Delay

0501010.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

10 A

Wraparound

10.385 J

-55 °C (-67 °F)

Matte Tin Over Nickel

150 A

4 h

10.385

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.62 mm)

e3

32 V

4.27 mΩ

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.62 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

Fast

15.5CAVH2E

Eaton Corporation

Electric Fuse

3CIF21

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

250 V

3 A

Tab/Blade

200 kA

0.543 in (13.8 mm)

0.543 x 1.398 in (13.8 x 35.5 mm)

1.398 in (35.5 mm)

50NZ02

Eaton Corporation

Electric Fuse

Inline/Holder

400 V

50 A

End Cap

7.8 kJ

50 kA

Bulk

0.591 in (15 mm)

D02

0.591 x 1.417 in (15 x 36 mm)

1.417 in (36 mm)

DIN 49515; IEC60269

Time Delay

AJT70

Mersen S A

Electric Fuse

Inline/Holder

700 V

400 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 400 VDC: 100000 A

1.063 in (27 mm)

Indicator

1.142 x 2.638 in (29 x 67 mm)

4.606 in (117 mm)

Time Delay

FLSR125.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

Indicator

9.626 in (244.5 mm)

CSA; UL

Time Delay

FLSR200.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.787 in (45.4 mm)

Indicator

9.626 in (244.5 mm)

CSA; UL

Time Delay

FNQ-R-3/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 mA

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

FNQ-R-4/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

400 mA

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

LP-CC-1-4/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

1.4 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.394 in (10 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.496 in (38 mm)

CE; CSA; UL

Time Delay

MEV100A100-4

Mersen S A

Electric Fuse

Inline/Holder

1 KV

100 A

Tab/Blade

100 kA

40 ms

Bulk

1 in (25.4 mm)

2.874 in (73 mm)

IATF 16949; UL

PF-EC1-15

Bourns

Electric Fuse

Inline/Holder

1 KV

15 A

End Cap

365 J

-55 °C (-67 °F)

20 kA

4 m

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-EC1-20

Bourns

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

804.3 J

-55 °C (-67 °F)

20 kA

4 m

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-EC1-25

Bourns

Electric Fuse

Inline/Holder

1 KV

25 A

End Cap

1.202 kJ

-55 °C (-67 °F)

20 kA

4 m

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-EC1-30

Bourns

Electric Fuse

Inline/Holder

1 KV

30 A

End Cap

2.229 kJ

-55 °C (-67 °F)

20 kA

4 m

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-ET1-15

Bourns

Electric Fuse

Inline/Holder

1 KV

15 A

Tab/Blade

365 J

-55 °C (-67 °F)

20 kA

4 m

Tray

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-ET1-25

Bourns

Electric Fuse

Inline/Holder

1 KV

25 A

Tab/Blade

1.202 kJ

-55 °C (-67 °F)

20 kA

4 m

Tray

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

X301021

Mersen S A

Electric Fuse

Panel Mount

1.25 KV

250 A

Threaded

9.58 kJ

150 kA

Bulk

2.913 in (74 mm)

1.567 in (39.8 mm)

AR

70

Indicator

1.831 in (46.5 mm)

CCC; CE; CSA; CUL; EAC; IEC; UL; VDE

Ultra Fast

XEV10-30-1P

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

30 A

Tab/Blade

1.15 kJ

-40 °C (-40 °F)

20 kA

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

125 °C (257 °F)

XEV10-30-B

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

30 A

Tab/Blade

1.15 kJ

-40 °C (-40 °F)

20 kA

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

125 °C (257 °F)

0034.3121

Schurter Ag

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

21.9 J

-55 °C (-67 °F)

Nickel

35 A

Box

0.205 in (5.2 mm)

20 ms

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; CUL; METI; UL; VDE

125 °C (257 °F)

Time Lag

0215008.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

8 A

End Cap

209.88 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

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

209.88

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

125 °C (257 °F)

Time Lag

0215008MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

8 A

End Cap

209.88 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

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

209.88

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

125 °C (257 °F)

Time Lag

021601.6MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

1.005 J

-55 °C (-67 °F)

Nickel

1.5 kA

20 ms

1.005

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)

Fast

0216016.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

16 A

End Cap

462.5 J

-55 °C (-67 °F)

Tin

750 A

462.5

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; CSA; IEC; PSE; SEMKO; UL

125 °C (257 °F)

Fast

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)

0313002.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

77 J

-55 °C (-67 °F)

Nickel

100 A

4 h

77

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

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

0324025.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

25 A

Pin Wire

1.45 kJ

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 400 A

1450

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; CUL; KC; PSE; UL

125 °C (257 °F)

Fast

044901.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

4.7 J

-55 °C (-67 °F)

Gold

50 A

2 ms

4.7

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CUL; UL

125 °C (257 °F)

Slow

0451.250MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

250 mA

Wraparound

15.8 mJ

-55 °C (-67 °F)

Gold

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

5 s

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

04512.50MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

2.5 A

Wraparound

1.029 J

-55 °C (-67 °F)

Gold with Nickel barrier

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0456025.ER

Littelfuse

Electric Fuse

Surface Mount

125 V

72 V

25 A

Wraparound

45 J

-55 °C (-67 °F)

Silver

100 A

Rated Breaking Capacity at 72 VDC: 500 A

45

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

125 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0501012.WRS

Littelfuse

Electric Fuse

Surface Mount

32 V

12 A

Wraparound

20.341 J

-55 °C (-67 °F)

Tin Over Nickel

150 A

4 h

20.341

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

3.21 mΩ

1206

0.126 x 0.064 x 0.033 in (3.2 x 1.63 x 0.835 mm)

0.033 in (0.835 mm)

CSA; UL

150 °C (302 °F)

Fast

0501015.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

15 A

Wraparound

36.1 J

-55 °C (-67 °F)

Matte Tin Over Nickel

150 A

4 h

36.1

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.62 mm)

e3

32 V

2.5 mΩ

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.62 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

Fast

0678H9400-02

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

40 A

Wraparound

1 kJ

-55 °C (-67 °F)

100 A

1 m

Rated Breaking Capacity at 125 VDC: 1000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

0691-0100-05

Bel Fuse

Electric Fuse

100 mA

-55 °C (-67 °F)

Matte Tin

35 A

Tape And Reel

0.329 in (8.35 mm)

e3

250 V

Micro

0.329 x 0.303 in (8.35 x 7.7 mm)

0.303 in (7.7 mm)

CSA, SEMKO, UL, VDE

125 °C (257 °F)

Fast

0697A5000-05

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

63 V

5 A

Pin Wire

94 J

-55 °C (-67 °F)

Matte Tin

100 A

Bulk

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

20 ms

Micro

0.329 x 0.157 x 0.307 in (8.35 x 4 x 7.8 mm)

0.307 in (7.8 mm)

CCC, CQC, CUL, IEC60127-3, PSE, UL, VDE

125 °C (257 °F)

Time Lag

0AKK-K300-BA

Bel Fuse

Electric Fuse

Inline/Holder

1 KV

300 A

Tab/Blade

17 kJ

-40 °C (-40 °F)

Tin

50 kA

Bulk

2.913 in (74 mm)

1.772 in (45 mm)

e3

0.984 in (25 mm)

125 °C (257 °F)

Fast

0FLQ025.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

25 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0FLQ02.5T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0KLK003.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

3 A

End Cap

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

170M2683

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

160 A

Tab/Blade

6.25 kJ

150 kA

1.929 in (49 mm)

1.181 in (30 mm)

Indicator

1.929 x 1.181 x 2.362 in (49 x 30 x 60 mm)

2.362 in (60 mm)

CE; DIN 43620; IEC; UL

32ET

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

350 V

32 A

Tab/Blade

32 J

200 kA

Rated Breaking Capacity at 690 VDC: 200000 A

Box

1.89 in (48 mm)

1.89 x 0.752 in (48 x 19.1 mm)

0.752 in (19.1 mm)

BS 88; CE

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.