12 A Fuses 495

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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

0215012.TXP

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

12 A

Wraparound

515.5 J

-55 °C (-67 °F)

Nickel

1.5 kA

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; CUL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0454012.MR

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

12 A

Wraparound

260.46 J

-55 °C (-67 °F)

Silver

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Slow

ITV4030L1412NR

Littelfuse

Electric Fuse

Surface Mount

36 V

12 A

Wraparound

-10 °C (14 °F)

50 A

Tape And Reel, 13 inch

0.157 in (4 mm)

0.118 in (3 mm)

36 V

0.035 in (0.9 mm)

CUL; TUV; UL

65 °C (149 °F)

0251012.MXL

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Tin

50 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

45.2

Bulk

0.11 in (2.8 mm)

Supplemental

e3

32 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0313012.MXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

1.2 kJ

-60 °C (-76 °F)

Nickel

300 A

5 s

1200

Bulk

0.25 in (6.35 mm)

Supplemental

32 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

UL

125 °C (257 °F)

Time Lag

0314012.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

12 A

End Cap

570 J

-55 °C (-67 °F)

Nickel

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

570

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)

Fast

0453012.MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Silver

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 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)

CE; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0453012MR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Silver

50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 V

Nano

0.106 in (2.69 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

0SPF012.H

Littelfuse

Electric Fuse

Inline/Holder

1 KV

12 A

End Cap

642 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

0SPF012.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

12 A

End Cap

642 J

20 kA

4 m

Bulk

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; TUV; UL

Fast

C10M12

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

12 A

End Cap

120 kA

C10

0.394 in (10 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

CCMR012.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

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

PV-12A10F-CT

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

12 A

Crimp Terminal

12 J

-40 °C (-40 °F)

50 kA

Box

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

CCC; CSA; IEC

90 °C (194 °F)

SCF4030-12-01

Eaton Corporation

Electric Fuse

Surface Mount

36 V

12 A

One Surface

-20 °C (-4 °F)

50 A

1 m

Tape And Reel, 13 inch

0.157 in (4 mm)

0.118 in (3 mm)

0.157 x 0.118 in (4 x 3 mm)

0.033 in (0.85 mm)

CUL; UL

60 °C (140 °F)

Fast

SCF4030-12-02

Eaton Corporation

Electric Fuse

Surface Mount

36 V

12 A

One Surface

-20 °C (-4 °F)

50 A

1 m

Tape And Reel, 13 inch

0.157 in (4 mm)

0.118 in (3 mm)

0.157 x 0.118 in (4 x 3 mm)

0.033 in (0.85 mm)

CUL; UL

60 °C (140 °F)

Fast

312012P

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

234.6 J

Nickel

312P

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Fast

SPFI012

Littelfuse

Electric Fuse

Inline/Holder

1 KV

12 A

Ferrule

599.198 J

Nickel

20 kA

4 m

0.406 in (10.31 mm)

Midget

2.5 in (63.5 mm)

CE; UL

0452012.NRL

Littelfuse

Electric Fuse

Surface Mount

72 V

75 V

12 A

Wraparound

260.46 J

-55 °C (-67 °F)

Gold

50 A

2 ms

Rated Breaking Capacity at 75 VDC: 100 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

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; CUL; UL

125 °C (257 °F)

Slow

LA70QS12-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

12 A

End Cap

60 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

0251012.NR

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 10000 ms at 200% Rated Current

Tape And Reel

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251012.NRT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Matte Tin

50 A

10 s

Pre Arcing Time: Open within 10 s at 200% Rated Current

45.2

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

32 V

5.5 mΩ

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; CUL; UL

125 °C (257 °F)

Very Fast

2410SFV12.0FM/065-2

Littelfuse

Electric Fuse

12 A

-55 °C (-67 °F)

4 h

Tape And Reel

0.246 in (6.25 mm)

0.104 in (2.64 mm)

65 V

0.246 x 0.104 x 0.093 in (6.25 x 2.64 x 2.36 mm)

0.093 in (2.36 mm)

CSA, TUV, UL

125 °C (257 °F)

Very Fast

0453012.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

12 A

Wraparound

47.97 J

-55 °C (-67 °F)

Silver

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

65 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)

CE; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

313012P

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

1.2 kJ

Tin

300 A

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

Slow

0318012HX

Littelfuse

Electric Fuse

Through Hole Mount

32 V

12 A

Pin Wire

234.6 J

-55 °C (-67 °F)

Tin

300 A

318

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; UL

125 °C (257 °F)

Fast

32512MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

60 V

12 A

Pin Wire

129 J

-55 °C (-67 °F)

Matte Tin

400 A

Rated Breaking Capacity at 60 VDC: 500 A

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

32612MMXDP

Littelfuse

Electric Fuse

Inline/Holder

250 V

60 V

12 A

End Cap

129 J

-55 °C (-67 °F)

Matte Tin

400 A

Rated Breaking Capacity at 60 VDC: 500 A

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Time Lag

0362012.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

12 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

8AG

1 in (25.4 mm)

Normal

593012

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

12 A

End Cap

Nickel

593

KLKD12

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

12 A

End Cap

100 kA

Rated Breaking Capacity at 600 VDC: 10000 A

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

0324012.MX24P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12 A

Pin Wire

570 J

-55 °C (-67 °F)

Tin

750 A

570

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, PSE, UL

125 °C (257 °F)

Fast

0253012.PXT3

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 10000 ms at 200% Rated Current

Bulk

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

FLM012

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

12 A

End Cap

10 kA

12 s

Pre Arcing Time: Open within 12 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

250 V

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

0476012.MRSN

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

12 A

Wraparound

20.635 J

-55 °C (-67 °F)

Tin

100 A

2 m

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 120 s at 200% Rated Current

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

Nano

0.106 in (2.69 mm)

CUL; UL

125 °C (257 °F)

Fast

0375012.HXP

Littelfuse

Electric Fuse

12 A

Pin Wire

1.2 kJ

-55 °C (-67 °F)

Tin

10 kA

4 h

0.275 in (6.985 mm)

e3

125 V

3AG

0.275 x 1.275 in (6.985 x 32.39 mm)

1.275 in (32.39 mm)

CE, CSA, UL

125 °C (257 °F)

Time Lag

0388012.MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

12 A

Pin Wire

490.5 J

-55 °C (-67 °F)

Tin

100 A

388

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CE; KTL; PSE

125 °C (257 °F)

0251012.VAT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Matte Tin

50 A

Rated Breaking Capacity at 32 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0312012.VXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

234.6 J

-55 °C (-67 °F)

Tin

300 A

312

Bulk

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

125 °C (257 °F)

Fast

SPFI012.L

Littelfuse

Electric Fuse

Inline/Holder

1 KV

12 A

End Cap

642 J

20 kA

4 m

642

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

0322012.HXP

Littelfuse

Electric Fuse

Inline/Holder

65 V

65 V

12 A

End Cap

38 J

-55 °C (-67 °F)

Nickel

200 A

1 s

Rated Breaking Capacity at 65 VDC: 1000 A

60

Bulk

0.25 in (6.35 mm)

65 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; UL

125 °C (257 °F)

Very Fast

0251012.MXT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Tin

50 A

10 s

Rated Breaking Capacity at 32 VDC: 300 A

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251012.NAT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Tin

50 A

10 s

Rated Breaking Capacity at 32 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0313012.VXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

12 A

End Cap

1.2 kJ

-55 °C (-67 °F)

Nickel

300 A

313

Bulk

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

UL

125 °C (257 °F)

Time Lag

LGD012

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

BLF12

Littelfuse

Electric Fuse

Inline/Holder

250 V

12 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0251012.HAHF

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 32 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0251012.MXT1

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

12 A

Pin Wire

45.2 J

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 10000 ms at 200% Rated Current

Bulk

0.11 in (2.8 mm)

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LA70QS12-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

12 A

End Cap

60 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

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.