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

SF-1206F050-2

Bourns

Electric Fuse

Surface Mount

63 V

500 mA

Wraparound

11 mJ

-20 °C (-4 °F)

Tin Nickel Copper

50 A

1 m

Tape And Reel, 7 inch

0.122 in (3.1 mm)

0.061 in (1.55 mm)

e2

1206

0.122 x 0.061 x 0.024 in (3.1 x 1.55 x 0.6 mm)

0.024 in (0.6 mm)

UL

105 °C (221 °F)

Fast

0157.500DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

79.5 mJ

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e3

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)

UL

125 °C (257 °F)

Very Fast

0157.500.DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

79.5 mJ

-55 °C (-67 °F)

Silver

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)

UL

125 °C (257 °F)

Very Fast

0313.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.55 J

-60 °C (-76 °F)

Nickel

35 A

5 s

2.55

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; UL

125 °C (257 °F)

Time Lag

0470.500DRSNP

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

28.74 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.13 in (3.302 mm)

0.062 in (1.575 mm)

1206

0.046 in (1.168 mm)

CUL; UL

125 °C (257 °F)

Fast

0251.500MAT1L

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

4 ms

Rated Breaking Capacity at 125 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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02515.00MAT1L

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

4 ms

Rated Breaking Capacity at 125 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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0435.500KRHF

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

5.3 mJ

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

Rated Breaking Capacity at 32 VDC: 35 A, Joule Integral Nom at 32 VDC: 0.0053

0.0053

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.56 mm)

e3

32 V

Nano

0.041 x 0.022 x 0.015 in (1.04 x 0.56 x 0.38 mm)

0.015 in (0.38 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0435.500.KRHF

Littelfuse

Electric Fuse

500 mA

-55 °C (-67 °F)

Matte Tin with Nickel barrier

35 A

4 h

0.0053

Tape And Reel

0.041 in (1.04 mm)

0.022 in (0.559 mm)

e3

32 V

160 mΩ

0.041 x 0.022 x 0.015 in (1.04 x 0.559 x 0.39 mm)

0.015 in (0.39 mm)

CSA; UL

90 °C (194 °F)

Very Fast

0KLK.500T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

500 mA

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

BLF.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

250 V

5AG

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

04000025WR

Littelfuse

Electric Fuse

Surface Mount

5 V

500 mA

Wraparound

1.69 mJ

-55 °C (-67 °F)

50 A

5 s

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

0603

0.02 in (0.502 mm)

150 °C (302 °F)

Fast

SF-1206HI050M-2

Bourns

Electric Fuse

Surface Mount

65 V

500 mA

Wraparound

35.4 mJ

-55 °C (-67 °F)

50 A

200 µs

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

1206

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Fast

SS-5-500MA-AP

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

1.79 J

-40 °C (-40 °F)

Tin

35 A

1.79

Ammo Pack

0.335 in (8.5 mm)

0.169 in (4.3 mm)

e3

250 V

0.335 x 0.169 x 0.329 in (8.5 x 4.3 x 8.35 mm)

0.329 in (8.35 mm)

CQC; EK; SEMKO; UL; VDE

125 °C (257 °F)

Time Delay

TR1/6125TD500-R

Eaton Corporation

Electric Fuse

Surface Mount

125 V

60 V

500 mA

Wraparound

716 mJ

50 A

Rated Breaking Capacity at 60 VDC: 50 A

Tape And Reel

0.107 in (2.72 mm)

0.107 in (2.72 mm)

125 V

6125

0.107 x 0.107 x 0.24 in (2.72 x 2.72 x 6.1 mm)

0.24 in (6.1 mm)

CSA; UL

Time Delay

0448.500MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

100 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.1

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)

CSA; UL

125 °C (257 °F)

Very Fast

04485.00MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

500 mA

Wraparound

100 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.1

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)

CSA; UL

125 °C (257 °F)

Very Fast

0472.500MRT1L

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

37405000430

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

875 mJ

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA, UL

85 °C (185 °F)

Time Lag

BK/S501-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

38 mJ

Nickel

1.5 kA

0.038

Box

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

BK1/S506-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

827 mJ

Nickel

35 A

0.827

Bag

0.205 in (5.2 mm)

250 V

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)

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

Time Delay

F0402E0R50FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

32 V

32 V

500 mA

Wraparound

300 μJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

Tape And Reel, 7 inch

0.039 in (1 mm)

0.022 in (0.55 mm)

e3

0402

0.039 x 0.022 x 0.016 in (1 x 0.55 x 0.4 mm)

0.016 in (0.4 mm)

125 °C (257 °F)

Fast

F1206B0R50FSTR

KYOCERA AVX

Electric Fuse

Surface Mount

63 V

63 V

500 mA

Wraparound

200 μJ

-55 °C (-67 °F)

Tin with Nickel barrier

50 A

Tape And Reel, 7 inch

0.122 in (3.1 mm)

0.063 in (1.6 mm)

e3

1206

0.122 x 0.063 x 0.047 in (3.1 x 1.6 x 1.2 mm)

0.047 in (1.2 mm)

125 °C (257 °F)

Fast

SF-0402F050-2

Bourns

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

3.17 mJ

-20 °C (-4 °F)

Tin Over Nickel

35 A

Tape And Reel, 7 inch

0.039 in (1 mm)

0.02 in (0.52 mm)

e3

32 V

340 mΩ

60 s

0402

0.039 x 0.02 x 0.014 in (1 x 0.52 x 0.35 mm)

0.014 in (0.35 mm)

UL

105 °C (221 °F)

Fast

SF-0402FP050F-2

Bourns

Electric Fuse

Surface Mount

35 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin Over Nickel

35 A

200 ms

Tape And Reel, 7 inch

0.039 in (1 mm)

0.02 in (0.51 mm)

e3

0402

0.039 x 0.02 x 0.013 in (1 x 0.51 x 0.33 mm)

0.013 in (0.33 mm)

UL

90 °C (194 °F)

Fast

SF-0603FP050M-2

Bourns

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

9.4 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

1 ms

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

1 ms

0603

0.063 x 0.031 x 0.012 in (1.6 x 0.8 x 0.3 mm)

0.012 in (0.3 mm)

CUL, UL

125 °C (257 °F)

Fast

SF-0603SA050M-2

Bourns

Electric Fuse

Surface Mount

65 V

500 mA

Wraparound

4 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

1 ms

0603

0.031 in (0.8 mm)

AEC-Q200; UL

150 °C (302 °F)

Slow

SF-1206S050M-2

Bourns

Electric Fuse

Surface Mount

63 V

500 mA

Wraparound

2 mJ

-55 °C (-67 °F)

50 A

50 ms

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

1 ms

1206

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

Slow

0218.500MXBP

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

0218.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

2.825 J

-55 °C (-67 °F)

Matte Tin

35 A

20 ms

2.825

Bulk

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.846 in (21.5 mm)

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

125 °C (257 °F)

Time Lag

0218.500TXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.825 J

-55 °C (-67 °F)

Nickel

35 A

20 ms

2.825

Bulk

0.205 in (5.2 mm)

Supplemental

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, CE, CSA, KC, SEMKO, UL, VDE

125 °C (257 °F)

Time Lag

0225.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

365 mJ

-55 °C (-67 °F)

Tin

35 A

1 s

Rated Breaking Capacity at 125 VDC: 10000 A

0.365

Bulk

0.189 in (4.8 mm)

e3

250 V

2AG

0.177 x 0.57 in (4.5 x 14.48 mm)

0.587 in (14.9 mm)

CE, CSA, UL

125 °C (257 °F)

Fast

0251.500MRT1L

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

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

0.0598

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0251.500NAT1L

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

4 ms

Rated Breaking Capacity at 125 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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

02515.00MRT1L

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

4 ms

Pre-Arcing Time: Open within 4 ms at 1000% Rated Current

0.0598

Tape And Reel

0.11 in (2.8 mm)

Supplemental

e3

125 V

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CCC; CSA; CUL; TUV; UL

125 °C (257 °F)

Very Fast

02515.00NAT1L

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

4 ms

Rated Breaking Capacity at 125 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)

CCC; CSA; QPL; TUV; UL

125 °C (257 °F)

Very Fast

0263.500MXL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

500 mA

Pin Wire

84 mJ

-55 °C (-67 °F)

50 A

100 ms

Bulk

0.155 in (3.94 mm)

250 V

Pico

CSA, UL

125 °C (257 °F)

Very Fast

0443.500DRLC

Littelfuse

Electric Fuse

Surface Mount

280 V

500 mA

Wraparound

1.61 J

-55 °C (-67 °F)

Silver

50 A

2 m

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

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

280 V

Nano

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

0.123 in (3.12 mm)

CUL; UL

125 °C (257 °F)

Slow

0477.500MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

500 mA

End Cap

300 mJ

-55 °C (-67 °F)

Nickel

100 A

5 ms

Rated Breaking Capacity at 400 VDC: 1500 A

Bulk

0.205 in (5.2 mm)

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)

125 °C (257 °F)

Time Lag

312.500P

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

483 mJ

Nickel

35 A

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

39605000000

Littelfuse

Electric Fuse

Through Hole Mount

125 V

500 mA

Pin Wire

580 mJ

-40 °C (-40 °F)

Matte Tin

100 A

1 m

0.58

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

125 V

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

UL

85 °C (185 °F)

Time Lag

46205000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

500 mA

Wraparound

430 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.43

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; UL

85 °C (185 °F)

Time Lag

4620.5000000

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

500 mA

Wraparound

430 mJ

-40 °C (-40 °F)

Tin

150 A

10 ms

0.43

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; UL

85 °C (185 °F)

Time Lag

BK1-S505H-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

400 V

500 mA

End Cap

188 mJ

100 A

Rated Breaking Capacity at 400 VDC: 1500 A

Bag

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

UL

Time Delay

FLNR.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

SF-0603FP050F-2

Bourns

Electric Fuse

Surface Mount

35 V

65 V

500 mA

Wraparound

12.2 mJ

-55 °C (-67 °F)

Tin Over Nickel

13 A

200 ms

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

0603

0.063 x 0.032 x 0.012 in (1.6 x 0.81 x 0.3 mm)

0.012 in (0.3 mm)

UL

90 °C (194 °F)

Fast

SF-1206SA050M-2

Bourns

Electric Fuse

Surface Mount

65 V

500 mA

Wraparound

6 mJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

5 s

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

1 ms

1206

0.033 in (0.85 mm)

AEC-Q200; UL

150 °C (302 °F)

Slow

SF-2410FP050W-2

Bourns

Electric Fuse

Surface Mount

250 V

125 V

500 mA

Wraparound

101 mJ

-55 °C (-67 °F)

Tin Over Nickel

100 A

10 ms

Tape And Reel, 7 inch

0.24 in (6.1 mm)

0.098 in (2.49 mm)

2410

0.085 in (2.16 mm)

TUV; 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.