1.6 A Fuses 526

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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

066201.6HXLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

940 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

046501.6

Littelfuse

Electric Fuse

Surface Mount

250 V

1.6 A

End Cap

9.2 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at Rated Voltage(DC): 9.2

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

METI; PSE; UL

125 °C (257 °F)

Time Lag

1981160002

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

25 J

-25 °C (-13 °F)

100 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

021501.6HX

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

6.83 J

-55 °C (-67 °F)

Tin

1.5 kA

Bulk

0.205 in (5.2 mm)

e3

250 V

10 µs

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

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

125 °C (257 °F)

Time Lag

050701.6MXEP

Littelfuse

Electric Fuse

Through Hole Mount

650 V

1.6 A

Pin Wire

2.9 J

-55 °C (-67 °F)

150 A

2 m

Bulk

0.275 in (6.99 mm)

3AB

1.288 in (32.72 mm)

CE; CUL; UL

125 °C (257 °F)

045501.6

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

End Cap

1.06 J

-55 °C (-67 °F)

Tin Lead

50 A

0455

Rated Breaking Capacity at 125 VDC: 50 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

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

0.106 in (2.69 mm)

IEC; UL

125 °C (257 °F)

Fast

LLSRK1.60ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 A

End Cap

200 kA

LLSRK

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

023901.6MXBP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

30.43 J

-55 °C (-67 °F)

Tin

100 A

4 h

30.43

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

4621160DR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

1.6 A

Wraparound

7 J

-40 °C (-40 °F)

Tin

150 A

462

Rated Breaking Capacity at 250 VDC: 150 A

Tape And Reel

0.413 in (10.5 mm)

0.185 in (4.7 mm)

e3

10 ms

0.413 x 0.185 x 0.177 in (10.5 x 4.7 x 4.5 mm)

0.177 in (4.5 mm)

IEC; PSEJET; UL; VDE

85 °C (185 °F)

Time Lag

021801.6MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

23.35 J

-55 °C (-67 °F)

Tin

35 A

23.35

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; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

049101.6NRT1HF

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.6 A

Pin Wire

-55 °C (-67 °F)

Pure Tin

50 A

300 ms

Pre-Arcing Time: Open within 0.3 s at 300% Rated Current

Tape And Reel

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; PSE; UL

125 °C (257 °F)

Very Fast

FLSR01.6T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

5 in (127 mm)

CSA; UL

Time Delay

031501.6VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

49.6 J

-55 °C (-67 °F)

Matte Tin

100 A

315

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

021301.6MXGP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

44.2 J

-55 °C (-67 °F)

35 A

44.2

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, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Time Lag

066501.6MALL

Littelfuse

Electric Fuse

1.6 A

-40 °C (-40 °F)

50 A

4 h

17.5

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CSA, UL

85 °C (185 °F)

Time Lag

1981160000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

25 J

-25 °C (-13 °F)

100 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

3251.6MHXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

1.6 A

Pin Wire

45 J

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 125 VDC: 10000 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; PSE; UL

125 °C (257 °F)

Time Lag

3731160000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

380 mJ

-40 °C (-40 °F)

Matte Tin

50 A

373

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

e3

5 s

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; UL

85 °C (185 °F)

Fast

R45101.6NR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

Wraparound

1.06 J

-55 °C (-67 °F)

Tin/Lead

50 A

5 s

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

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e0

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

023201.6MX125P

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.6 A

End Cap

6.96 J

-60 °C (-76 °F)

Nickel

10 kA

2 m

Pre Arcing Time: Open within 2 m at 200% Rated Current

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)

CE; KC; PSE

125 °C (257 °F)

Medium

046401.6

Littelfuse

Electric Fuse

Surface Mount

250 V

1.6 A

End Cap

1.9 J

-55 °C (-67 °F)

Silver

100 A

Joule Integral Nom at 32 VDC: 1.9

Tape And Reel

0.476 in (12.1 mm)

0.177 in (4.5 mm)

e4

0.476 x 0.177 x 0.177 in (12.1 x 4.5 x 4.5 mm)

0.177 in (4.5 mm)

METI; PSE; UL

125 °C (257 °F)

Fast

31801.6

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

2.8 J

Tin Lead

35 A

0.276 in (7 mm)

e0

0.276 x 1.275 in (7 x 32.39 mm)

1.275 in (32.39 mm)

CSA; UL

Fast

22601.6

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

1.04 J

1.5 kA

226

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

BSI; CCC; CSA; IEC; KTL; SEMKO; SEV; UL; VDE

Fast

031801.6MX

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

2.8 J

-55 °C (-67 °F)

Tin

100 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; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

021801.6MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

23.35 J

-55 °C (-67 °F)

Matte Tin

35 A

23.35

Tape And Reel

0.228 in (5.8 mm)

Supplemental

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)

0.886 in (22.5 mm)

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

125 °C (257 °F)

Time Lag

087601.6MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

1.8 J

-55 °C (-67 °F)

35 A

3 ms

1.8

Bulk

0.142 in (3.6 mm)

250 V

0.142 x 0.394 in (3.6 x 10 mm)

0.142 x 0.394 in (3.6 x 10 mm)

0.394 in (10 mm)

CCC; CUL; KC; PSE; UL; VDE

125 °C (257 °F)

Fast

21701.6XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

4.74 J

-55 °C (-67 °F)

Matte Tin

35 A

0.205 in (5.2 mm)

e3

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KTL; PSE; SEMKO; UL

125 °C (257 °F)

Fast

R45101.6NRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.6 A

Wraparound

1.06 J

-55 °C (-67 °F)

Gold with Nickel barrier

50 A

5 s

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

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

023401.6XP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

6.31 J

-55 °C (-67 °F)

Nickel

100 A

Pre-Arcing Time: Open within 0.4 s, at 200% Rated Current

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)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Medium

1931160043

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

4.3 J

-25 °C (-13 °F)

35 A

Tape And Reel

0.213 in (5.4 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.827 in (21 mm)

CUL; DIN; IEC; SEMKO; VDE; UL

70 °C (158 °F)

Very Fast

21501.6M

Littelfuse

Electric Fuse

1.6 A

End Cap

-55 °C (-67 °F)

1.5 kA

6.83

0.787 in (20 mm)

Supplemental

250 V

70.7 mΩ

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CE; CSA; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

023901.6MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

30.43 J

-55 °C (-67 °F)

Tin

100 A

2 m

30.43

Bulk

0.217 in (5.5 mm)

Supplemental

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

23801.6

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

31.25 J

238

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CSA; MITI; UL

Time Lag

067701.6MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

18.2 J

Tin Lead

35 A

18.2

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; IEC; UL; VDE

Slow

023201.6XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

7.14 J

100 A

232

0.228 in (5.8 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

KTL; METI; PSE

Medium

3921160044

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

13.5 J

-40 °C (-40 °F)

Tin

25 A

392

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

20 ms

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

0.315 in (8 mm)

CCC; IEC; METI; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Time Lag

1811160002

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

5.34 J

-40 °C (-40 °F)

Tin

1.5 kA

181

Bulk

0.205 in (5.2 mm)

e3

10 ms

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CUL; IEC; METI; PSE; SEMKO; SEV; UL; VDE

85 °C (185 °F)

Time Lag

031201.6VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

2.8 J

-55 °C (-67 °F)

Tin

100 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)

CE; CSA; KTL; PSE; UL

125 °C (257 °F)

Fast

31801.6P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

2.8 J

Matte Tin

35 A

318

0.276 in (7 mm)

e3

0.276 x 1.288 in (7 x 32.72 mm)

1.288 in (32.72 mm)

CE; CSA; UL

Fast

38311600000

Littelfuse

Electric Fuse

Through Hole Mount

320 V

1.6 A

Pin Wire

12.67 J

-40 °C (-40 °F)

50 A

20 ms

Ammo Pack; Tape

0.335 in (8.5 mm)

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CE; CUL; PSE; UL

85 °C (185 °F)

Time Lag

3701160041

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

530 mJ

-40 °C (-40 °F)

35 A

Bulk

0.335 in (8.5 mm)

20 ms

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; PSE; SEMKO; UL; VDE

85 °C (185 °F)

Fast

021901.6MRAET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

44.2 J

-55 °C (-67 °F)

150 A

44.2

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Time Lag

SOO1.60

Littelfuse

Electric Fuse

Inline/Holder

125 V

1.6 A

End Cap

10 kA

UL

Time Delay

KLQ01.6

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.6 A

End Cap

Nickel

10 kA

0.406 in (10.31 mm)

600 V

Midget

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

Time Delay

066301.6HXLL

Littelfuse

Electric Fuse

1.6 A

-40 °C (-40 °F)

35 A

30

0.335 in (8.5 mm)

250 V

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC, CSA, METI, SEMKO, UL, VDE

85 °C (185 °F)

Time Lag

021601.6MRET1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

1.005 J

-55 °C (-67 °F)

Tin

1.2 kA

Tape And Reel

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; KTL; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

1911160000

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

5.4 J

-25 °C (-13 °F)

100 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)

CUL; UL

70 °C (158 °F)

Very Fast

021601.6HXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.6 A

Pin Wire

1.005 J

-55 °C (-67 °F)

Tin

1.2 kA

Bulk

0.228 in (5.8 mm)

e3

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; KTL; PSE; SEMKO; SEV; UL; VDE

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.