Fuses

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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

30312000421

Littelfuse

Electric Fuse

Through Hole Mount

125 V

63 V

2 A

Pin Wire

170 mJ

-25 °C (-13 °F)

50 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current

Bulk

0.236 in (6 mm)

0.236 x 0.315 in (6 x 8 mm)

0.315 in (8 mm)

CSA; UL

70 °C (158 °F)

Fast

BK/NON-60

Eaton Corporation

Electric Fuse

ECNR30

Eaton Corporation

Electric Fuse

SF100X1000HP

Eaton Corporation

Electric Fuse

XL50F300A

Eaton Corporation

Electric Fuse

SF-1210S150W-2

Bourns

Electric Fuse

Surface Mount

125 V

1.5 A

Wraparound

500 mJ

-55 °C (-67 °F)

Tin Over Nickel

100 A

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.098 in (2.5 mm)

e3

5 s

1210

0.126 x 0.098 x 0.063 in (3.2 x 2.5 x 1.6 mm)

0.063 in (1.6 mm)

UL

125 °C (257 °F)

Slow

SF-1206S075M-2

Bourns

Electric Fuse

Surface Mount

63 V

750 mA

Wraparound

5.1 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

0603TSFV050FM/65-2

Littelfuse

Electric Fuse

500 mA

-55 °C (-67 °F)

Tin/Nickel

50 A

4 h

0.015

0.067 in (1.7 mm)

0.036 in (0.91 mm)

e2

65 V

0603

0.067 x 0.036 x 0.016 in (1.7 x 0.91 x 0.4 mm)

0.016 in (0.4 mm)

90 °C (194 °F)

Fast

PSR030FL0040Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

40 A

Threaded

76 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SF-0603SP250-2

Bourns

Electric Fuse

Surface Mount

32 V

2.5 A

Wraparound

229 mJ

-20 °C (-4 °F)

Tin Over Nickel

50 A

1 s

Tape And Reel, 7 inch

0.063 in (1.6 mm)

0.031 in (0.8 mm)

e3

0603

0.018 in (0.45 mm)

UL

105 °C (221 °F)

Time Lag

0ADEC9100-BE

Bel Fuse

Electric Fuse

Inline/Holder

500 V

500 V

10 A

End Cap

100 J

-55 °C (-67 °F)

Silver

30 kA

10 s

Interrupting Current Max(DC): 20000 A, Pre Arcing Time: Open within 10 s at 300% Rated Current

Bulk

0.252 in (6.4 mm)

e4

500 V

0.236 x 1.26 in (6 x 32 mm)

1.252 in (31.8 mm)

CUL; UL

105 °C (221 °F)

Fast

ITV5432L0630WR

Littelfuse

Electric Fuse

Surface Mount

62 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel

0.213 in (5.4 mm)

0.126 in (3.2 mm)

0.071 in (1.8 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L1245MR

Littelfuse

Electric Fuse

Surface Mount

85 V

45 A

Wraparound

-10 °C (14 °F)

120 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L1430MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L2030MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L4030MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L1230MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L2045MR

Littelfuse

Electric Fuse

Surface Mount

85 V

45 A

Wraparound

-10 °C (14 °F)

120 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L4045MR

Littelfuse

Electric Fuse

Surface Mount

85 V

45 A

Wraparound

-10 °C (14 °F)

120 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV9550L3030MR

Littelfuse

Electric Fuse

Surface Mount

85 V

30 A

Wraparound

-10 °C (14 °F)

80 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

ITV4030L0415NR

Littelfuse

Electric Fuse

Surface Mount

36 V

15 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)

PSX1XLUB0400X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

400 A

Tab/Blade

116.271 kJ

-55 °C (-67 °F)

250 kA

Bulk

4.988 in (126.7 mm)

2.028 in (51.5 mm)

Indicator

2.028 in (51.5 mm)

CUL; UL

125 °C (257 °F)

Fast

0ADAP9100-RE

Bel Fuse

Electric Fuse

Through Hole Mount

600 V

600 V

10 A

Pin Wire

101.4 J

-55 °C (-67 °F)

10 kA

2 m

Bulk

0.266 in (6.76 mm)

600 V

0.236 x 1.26 in (6 x 32 mm)

1.291 in (32.8 mm)

CUL; UL

105 °C (221 °F)

Fast

3-103-125

Schurter Ag

Electric Fuse

Surface Mount

63 V

125 V

4 A

Wraparound

90 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 32 VDC: 300 A

Tape

0.126 in (3.2 mm)

0.061 in (1.55 mm)

63 V

5 s

1206

0.061 in (1.55 mm)

CUL, UL

125 °C (257 °F)

Very Fast

3-103-105

Schurter Ag

Electric Fuse

Surface Mount

125 V

125 V

1 A

Wraparound

4.8 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 125 VDC: 300 A

Tape

0.126 in (3.2 mm)

0.061 in (1.55 mm)

125 V

5 s

1206

0.061 in (1.55 mm)

CUL, UL

125 °C (257 °F)

Very Fast

3-103-129

Schurter Ag

Electric Fuse

Surface Mount

32 V

125 V

5 A

Wraparound

140 mJ

-55 °C (-67 °F)

50 A

Rated Breaking Capacity at 32 VDC: 300 A

Tape

0.126 in (3.2 mm)

0.061 in (1.55 mm)

32 V

5 s

1206

0.061 in (1.55 mm)

CUL, UL

125 °C (257 °F)

Very Fast

0678H2000-22

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

1 J

-55 °C (-67 °F)

Palladium

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

e4

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

0678H1250-22

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

400 mJ

-55 °C (-67 °F)

Palladium

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

e4

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

PSR032UL0900X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

900 A

Tab/Blade

107.785 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032US0550X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

550 A

Tab/Blade

26.327 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032US0630X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

630 A

Tab/Blade

34.79 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL1400X

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 V

1.4 kA

Tab/Blade

583.552 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL1500X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.5 kA

Tab/Blade

674.538 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL2000X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

2 kA

Tab/Blade

1.234 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 480 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US1250X

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 V

1.25 kA

Tab/Blade

476.902 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US1400X

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 V

1.4 kA

Tab/Blade

583.552 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US1600X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.6 kA

Tab/Blade

779.948 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070UL0250Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Tab/Blade

8.629 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR071UL0200Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

200 A

Tab/Blade

4.918 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0280X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

280 A

Tab/Blade

10.915 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0450X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

35.927 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0550X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

550 A

Tab/Blade

73.858 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR073UL0500X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Tab/Blade

42.751 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.921 in (74.2 mm)

2.894 in (73.5 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0040Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

40 A

Tab/Blade

76 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0125Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

125 A

Tab/Blade

707 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0315Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

315 A

Tab/Blade

7.131 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0450Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

23.133 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; 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.