277 V Fuses 54

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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

3403.0271.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

500 mA

Wraparound

620 mJ

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0266.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

160 mA

Wraparound

55 mJ

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0277.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

2 A

Wraparound

9.6 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0274.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1 A

Wraparound

3.6 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

NTE8242

Nte Electronics

Thermal Fuse

Through Hole Mount

277 V

15 A

Wire

20 A

Non-Resettable

0.161 in (4.1 mm)

0.512 in (13 mm)

CSA, UL, VDE

240 °C (464 °F)

3403.0275.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.25 A

Wraparound

4.05 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0271.11

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

500 mA

Wraparound

620 mJ

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Bulk

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0276.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.6 A

Wraparound

4.66 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

NTE8098

Nte Electronics

Thermal Fuse

Through Hole Mount

277 V

15 A

Wire

20 A

Non-Resettable

0.161 in (4.1 mm)

0.512 in (13 mm)

CSA, UL, VDE

100 °C (212 °F)

NTE8115

Nte Electronics

Thermal Fuse

Through Hole Mount

277 V

15 A

Wire

20 A

Non-Resettable

0.161 in (4.1 mm)

0.512 in (13 mm)

CSA, UL, VDE

116 °C (240.8 °F)

RST80

Bel Fuse

Electric Fuse

Through Hole Mount

277 V

80 mA

Pin Wire

10 mJ

-55 °C (-67 °F)

Matte Tin

100 A

Ammo Pack; Bulk

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

250 V

0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

3403.0270.11

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

400 mA

Wraparound

440 mJ

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Bulk

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3403.0273.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

800 mA

Wraparound

2.2 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

MRT80

Bel Fuse

Electric Fuse

Through Hole Mount

277 V

80 mA

Pin Wire

10 mJ

-55 °C (-67 °F)

Matte Tin

100 A

Ammo Pack; Bulk

0.329 in (8.35 mm)

e3

0.329 x 0.303 in (8.35 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0304.250HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

250 mA

J Bend

6.62 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

56 °C (132.8 °F)

0305.160H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

160 mA

Pin Wire

2.02 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.050V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

50 mA

Pin Wire

190 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0304.160HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

160 mA

J Bend

2.02 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0304.250ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

250 mA

J Bend

6.62 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

56 °C (132.8 °F)

0305.080M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

80 mA

Pin Wire

350 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0304.160ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

160 mA

J Bend

2.02 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.200V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

200 mA

Pin Wire

2.88 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.080V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

80 mA

Pin Wire

350 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0304.750HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

750 mA

J Bend

134.48 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

56 °C (132.8 °F)

0305.750V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

750 mA

Pin Wire

134.48 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

46 °C (114.8 °F)

0304.050HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

50 mA

J Bend

190 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.500V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

500 mA

Pin Wire

127.4 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

74 °C (165.2 °F)

0304.100ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

100 mA

J Bend

700 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.750M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

750 mA

Pin Wire

134.48 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

46 °C (114.8 °F)

0304.750ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

750 mA

J Bend

134.48 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

56 °C (132.8 °F)

0304.200HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

200 mA

J Bend

2.88 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.050M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

50 mA

Pin Wire

190 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0304.080ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

80 mA

J Bend

350 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0304.500HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

500 mA

J Bend

44.62 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

84 °C (183.2 °F)

0304.200ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

200 mA

J Bend

2.88 mJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.200M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

200 mA

Pin Wire

2.88 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.500M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

500 mA

Pin Wire

127.4 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

74 °C (165.2 °F)

0305.160V

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

160 mA

Pin Wire

2.02 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0304.050ZR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

50 mA

J Bend

190 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.500H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

500 mA

Pin Wire

127.4 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

74 °C (165.2 °F)

0304.100HR

Littelfuse

Electric Fuse

Surface Mount

277 V

277 V

100 mA

J Bend

700 μJ

-40 °C (-40 °F)

1.5 kA

10 s

Tape And Reel

0.54 in (13.71 mm)

0.237 in (6.03 mm)

277 V

Pico

0.24 in (6.09 mm)

CE; CUL; IEC; UL

60 °C (140 °F)

0305.100H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

100 mA

Pin Wire

700 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.050H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

50 mA

Pin Wire

190 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.250H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

250 mA

Pin Wire

60.05 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

46 °C (114.8 °F)

0305.080H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

80 mA

Pin Wire

350 μJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.750H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

750 mA

Pin Wire

134.48 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

46 °C (114.8 °F)

0305.200H

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

200 mA

Pin Wire

2.88 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

0305.160M

Littelfuse

Electric Fuse

Through Hole Mount

277 V

277 V

160 mA

Pin Wire

2.02 mJ

-40 °C (-40 °F)

1.5 kA

2 ms

Bulk

0.614 in (15.6 mm)

Pico

0.354 in (9 mm)

CUL; IEC; UL

50 °C (122 °F)

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.