500 mA Fuses 1,195

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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

0440.500WR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

26.42 mJ

-55 °C (-67 °F)

Tin

50 A

4 h

0.026

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

63 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

0508.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

1 KV

500 mA

Pin Wire

259 mJ

-55 °C (-67 °F)

Tin

10 kA

Bulk

0.275 in (6.98 mm)

e3

0.275 x 1.288 in (6.98 x 32.72 mm)

1.288 in (32.72 mm)

CE; UL

125 °C (257 °F)

BK1-GMC-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

410 mJ

Nickel

35 A

Pre Arcing Time: OPEN within 2 MIN at 200% RATED CURRENT

Bag

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)

CSA; KC; UL

Time Delay

BK1/GMC-500-R

Cooper Industries

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

410 mJ

Nickel

35 A

GMC

Bag

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CSA; UL

Medium Time Delay

BK1/S501-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

38 mJ

Nickel

1.5 kA

0.038

Bag

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)

BSI; CCC; CSA; IMQ; SEMKO; UL; VDE

Fast

C10G0.5

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

500 mA

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

F0805B0R50FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

200 μJ

-55 °C (-67 °F)

50 A

Tape And Reel, 7 inch

0.083 in (2.1 mm)

0.05 in (1.27 mm)

0805

0.083 x 0.05 x 0.035 in (2.1 x 1.27 x 0.9 mm)

0.035 in (0.9 mm)

125 °C (257 °F)

Fast

HVA-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

500 mA

End Cap

0.41 in (10.414 mm)

0.41 x 3 in (10.414 x 76.2 mm)

3 in (76.2 mm)

SF-1206HIA050M-2

Bourns

Electric Fuse

Surface Mount

65 V

500 mA

Wraparound

35 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

1206

0.038 in (0.97 mm)

AEC-Q200; UL

150 °C (302 °F)

Fast

255.500

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

Tin Lead Over Copper

0.095 in (2.41 mm)

e0

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

Fast

256.500

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

0.095 in (2.41 mm)

125 V

Pico

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

Fast

SF-0402S050M-2

Bourns

Electric Fuse

Surface Mount

24 V

500 mA

Wraparound

4.1 mJ

-55 °C (-67 °F)

Tin Over Nickel

35 A

50 ms

Tape And Reel, 7 inch

0.039 in (1 mm)

0.02 in (0.51 mm)

e3

1 µs

0402

0.039 x 0.02 x 0.02 in (1 x 0.51 x 0.51 mm)

0.02 in (0.51 mm)

CUL; UL

125 °C (257 °F)

Slow

SF-0603HI050F-2

Bourns

Electric Fuse

Surface Mount

35 V

65 V

500 mA

Wraparound

19 mJ

-55 °C (-67 °F)

Tin Over Nickel

13 A

200 µs

Rated Breaking Capacity at 35 VDC: 50 A

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.032 in (0.81 mm)

e3

1 ms

0603

0.063 x 0.032 x 0.014 in (1.6 x 0.81 x 0.36 mm)

0.014 in (0.36 mm)

CUL; UL

90 °C (194 °F)

SF-2410FP050T-2

Bourns

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

358 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

Tape And Reel, 7 inch

0.24 in (6.1 mm)

0.102 in (2.6 mm)

e4

2410

0.24 x 0.102 x 0.102 in (6.1 x 2.6 x 2.6 mm)

0.102 in (2.6 mm)

CUL; UL

125 °C (257 °F)

Fast

SF-3812TL050T-2

Bourns

Electric Fuse

Surface Mount

250 V

500 mA

Wraparound

1.963 J

-55 °C (-67 °F)

Gold with Nickel barrier

50 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.122 in (3.1 mm)

e4

120 s

3812

0.398 x 0.122 x 0.122 in (10.1 x 3.1 x 3.1 mm)

0.122 in (3.1 mm)

TUV, UL

125 °C (257 °F)

Time Lag

0253.500

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin/Lead

50 A

Rated Breaking Capacity at 125 VDC: 300 A

0.095 in (2.41 mm)

e0

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; QPL; UL

125 °C (257 °F)

Very Fast

229.500M

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.16 J

-55 °C (-67 °F)

Nickel

35 A

229

Bulk

0.177 in (4.5 mm)

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

0253.500VRL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

04735.00YAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-60 °C (-76 °F)

Tin

50 A

2 ms

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

0.21

Ammo Pack

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; UL

125 °C (257 °F)

Time Delay

0473.500YAT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Ammo Pack

0.135 in (3.43 mm)

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Time Lag

37205000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.3 J

-40 °C (-40 °F)

Matte Tin

35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; KTL; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

0266.500V

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

Gold

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.093 in (2.36 mm)

e4

Pico

0.093 x 0.28 in (2.36 x 7.11 mm)

0.28 in (7.11 mm)

CSA; QPL

125 °C (257 °F)

Very Fast

FLSR.500

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Time Delay

0251.500PAHF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Matte Tin

50 A

251

Rated Breaking Capacity at 125 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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0435.500

Littelfuse

Electric Fuse

Surface Mount

24 V

500 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Tin/Nickel

35 A

Rated Breaking Capacity at 24 VDC: 35 A

0.041 in (1.04 mm)

0.02 in (0.51 mm)

0.041 x 0.02 x 0.012 in (1.04 x 0.51 x 0.3 mm)

0.012 in (0.3 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0491.500MAT1

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

-55 °C (-67 °F)

50 A

4 h

0.11 in (2.8 mm)

125 V

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

1980500002

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

1.6 J

-25 °C (-13 °F)

35 A

Bulk

0.205 in (5.2 mm)

5 s

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; UL

70 °C (158 °F)

Time Delay

0253.500VAT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0314.500HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

115 mJ

-55 °C (-67 °F)

Nickel

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.115

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; UL

125 °C (257 °F)

Fast

0253.500VRT3L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

253

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

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; QPL; TUV; UL

125 °C (257 °F)

Very Fast

312.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

483 mJ

Tin/Lead

35 A

0.25 in (6.35 mm)

e0

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

0472.500NRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

192.7 mJ

-55 °C (-67 °F)

Tin

50 A

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)

UL

125 °C (257 °F)

Time Lag

0229.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

1.16 J

-55 °C (-67 °F)

Nickel

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.177 in (4.5 mm)

Indicator

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

02200036MXSLP

Littelfuse

Electric Fuse

Inline/Holder

300 V

500 mA

End Cap

365 mJ

-55 °C (-67 °F)

Tin

35 A

4 h

0.365

0.177 in (4.5 mm)

Supplemental

e3

300 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.57 in (14.48 mm)

CE, UL

125 °C (257 °F)

0253.500.NRT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape And Reel

0.095 in (2.41 mm)

0.095 x 0.28 in (2.41 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; QPL; UL

125 °C (257 °F)

Very Fast

235.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

69 mJ

-55 °C (-67 °F)

Tin

35 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; KTL; UL

125 °C (257 °F)

Fast

0253.500MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

59.8 mJ

-55 °C (-67 °F)

Tin

50 A

0253

Rated Breaking Capacity at 125 VDC: 300 A

Bulk

0.103 in (2.61 mm)

e3

0.103 x 0.28 in (2.61 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0603SFF050F/32-2

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

50 A

0603SFF050F/32-2

UL

125 °C (257 °F)

Fast

0213.500XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.9 J

-55 °C (-67 °F)

Nickel

35 A

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; SEMKO; SEV; UL

125 °C (257 °F)

Time Lag

0674.500MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

128 mJ

Tin Lead

50 A

4 h

0.13

Bulk

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; UL

Fast

0218.500MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.825 J

-55 °C (-67 °F)

Tin

35 A

2.825

Bulk

0.205 in (5.2 mm)

Supplemental

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; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0263.500WAT1L

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

Tin

50 A

100 ms

Ammo Pack

0.155 in (3.94 mm)

e3

250 V

Pico

0.155 x 0.28 in (3.94 x 7.11 mm)

CSA, UL

125 °C (257 °F)

Very Fast

0160.50MR

Littelfuse

Electric Fuse

Surface Mount

250 V

500 mA

Wraparound

1.96 J

-55 °C (-67 °F)

50 A

2 m

Pre Arcing Time: Open within 120 s at 250% Rated Current

Tape And Reel

0.429 in (10.9 mm)

0.189 in (4.8 mm)

Nano

0.189 in (4.8 mm)

CUL; UL

125 °C (257 °F)

Time Delay

0230.500MXF1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

1.16 J

-55 °C (-67 °F)

Matte Tin

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.185 in (4.7 mm)

e3

0.185 x 0.57 in (4.7 x 14.48 mm)

0.57 in (14.48 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0473.500YRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

500 mA

Pin Wire

210 mJ

-55 °C (-67 °F)

Pure Tin

50 A

Tape And Reel

0.135 in (3.43 mm)

0.135 x 0.28 in (3.43 x 7.11 mm)

0.28 in (7.11 mm)

CSA; UL

125 °C (257 °F)

Time Lag

0470.500DR

Littelfuse

Electric Fuse

500 mA

-55 °C (-67 °F)

50 A

Tape And Reel

0.124 in (3.15 mm)

0.059 in (1.49 mm)

125 V

Nano

0.124 x 0.059 x 0.045 in (3.15 x 1.49 x 1.15 mm)

0.045 in (1.15 mm)

PSE, UL

125 °C (257 °F)

Fast

1960500000

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

4.4 J

-25 °C (-13 °F)

150 A

Bulk

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BSI; CUL; IEC; SEMKO; UL; VDE

70 °C (158 °F)

Time Lag

FCD120500TP

Littelfuse

Electric Fuse

Surface Mount

32 V

64 V

500 mA

Wraparound

930 μJ

-55 °C (-67 °F)

Tin

50 A

FCD12

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

IEC; UL

125 °C (257 °F)

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.