Fuses with Leads - Through Hole

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Micro™/TR3® Fuses

Littelfuse Micro™/TR3® Fuses offer a 0.002 to 5A operating current, 125V maximum voltage rating, and 10,000A interrupting rating. Littelfuse Micro/TR3 fuses include high-reliability, very fast-acting subminiature radial leaded fuses.

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Part #

Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting

0273003.H
Littelfuse
1: S/39.08
4,991In Stock

Mfr. Part #
0273003.H

Mouser Part #
576-0273003.H

Littelfuse

Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting

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Datasheet

4,991In Stock

S/39.08

S/33.75

S/30.52

S/26.78

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

3 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

27.5 mOhms

Bulk

Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting

0272.015V
Littelfuse
1: S/246.01
63In Stock

Mfr. Part #
0272.015V

Mouser Part #
576-0272.015V

Littelfuse

Fuses with Leads - Through Hole 125V .015A MICRO Very Fast Acting

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Datasheet

63In Stock

S/246.01

S/184.70

S/168.31

S/147.14

S/144.06

Min.: 1
Mult.: 1

272

PCB Mount Fuses

15 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

44 Ohms

Bulk

Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting

027201.5H
Littelfuse
1: S/57.57
159In Stock

Mfr. Part #
027201.5H

Mouser Part #
576-027201.5H

Littelfuse

Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting

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Datasheet

159In Stock

S/57.57

S/47.80

S/44.10

S/36.55

View

Min.: 1
Mult.: 1

272

PCB Mount Fuses

1.5 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

57.8 mOhms

Bulk

Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting

027301.5H
Littelfuse
1: S/36.90
169In Stock

Mfr. Part #
027301.5H

Mouser Part #
576-027301.5H

Littelfuse

Fuses with Leads - Through Hole 125V 1.5A MICRO Very Fast Acting

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Datasheet

169In Stock

S/36.90

S/33.05

S/24.02

S/20.86

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

1.5 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

57.8 mOhms

Bulk

Fuses with Leads - Through Hole 125V .002A MICRO Very Fast Acting

0272.002V
Littelfuse
1: S/327.16
22In Stock

Mfr. Part #
0272.002V

Mouser Part #
576-0272.002V

Littelfuse

Fuses with Leads - Through Hole 125V .002A MICRO Very Fast Acting

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Datasheet

22In Stock

S/327.16

S/271.74

S/250.60

S/207.31

S/197.43

Min.: 1
Mult.: 1

272

PCB Mount Fuses

2 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

2.2 kOhms

Bulk

Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting

0273.050H
Littelfuse
1: S/41.81
6,196In Stock

Mfr. Part #
0273.050H

Mouser Part #
576-0273.050H

Littelfuse

Fuses with Leads - Through Hole 125V .05A MICRO Very Fast Acting

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Datasheet

6,196In Stock

S/41.81

S/35.46

S/32.74

S/27.13

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

50 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

3.52 Ohms

Bulk

Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting

0272002.H
Littelfuse
1: S/55.86
309In Stock

Mfr. Part #
0272002.H

Mouser Part #
576-0272002.H

Littelfuse

Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting

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Datasheet

309In Stock

S/55.86

S/47.64

S/42.78

S/36.55

View

Min.: 1
Mult.: 1

272

PCB Mount Fuses

2 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

42.5 mOhms

Bulk

Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting

0272003.H
Littelfuse
1: S/57.73
900In Stock

Mfr. Part #
0272003.H

Mouser Part #
576-0272003.H

Littelfuse

Fuses with Leads - Through Hole 125V 3A MICRO Very Fast Acting

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Datasheet

900In Stock

S/57.73

S/49.47

S/43.56

S/39.55

View

Min.: 1
Mult.: 1

272

PCB Mount Fuses

3 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

27.5 mOhms

Bulk

Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting

0273.125H
Littelfuse
1: S/42.93
1,910In Stock

Mfr. Part #
0273.125H

Mouser Part #
576-0273.125H

Littelfuse

Fuses with Leads - Through Hole 125V .125A MICRO Very Fast Acting

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Datasheet

1,910In Stock

S/42.93

S/41.88

S/37.10

S/31.41

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

125 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

1 Ohms

Bulk

Fuses with Leads - Through Hole 125V .25A MICRO Very Fast Acting

0273.250H
Littelfuse
1: S/40.17
1,313In Stock

Mfr. Part #
0273.250H

Mouser Part #
576-0273.250H

Littelfuse

Fuses with Leads - Through Hole 125V .25A MICRO Very Fast Acting

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Datasheet

1,313In Stock

S/40.17

S/35.07

S/32.39

S/26.86

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

250 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

1.75 Ohms

Bulk

Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting

0273002.H
Littelfuse
1: S/41.92
1,950In Stock

Mfr. Part #
0273002.H

Mouser Part #
576-0273002.H

Littelfuse

Fuses with Leads - Through Hole 125V 2A MICRO Very Fast Acting

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Datasheet

1,950In Stock

S/41.92

S/35.07

S/32.39

S/26.86

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

2 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

42.5 mOhms

Bulk

Fuses with Leads - Through Hole 125V .005A MICRO Very Fast Acting

0273.005V
Littelfuse
1: S/251.14
150In Stock

Mfr. Part #
0273.005V

Mouser Part #
576-0273.005V

Littelfuse

Fuses with Leads - Through Hole 125V .005A MICRO Very Fast Acting

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Datasheet

150In Stock

S/251.14

S/208.48

S/192.29

S/159.16

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

5 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

280 Ohms

Bulk

Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting

0273.031V
Littelfuse
1: S/239.27
124In Stock
580On Order

Mfr. Part #
0273.031V

Mouser Part #
576-0273.031V

Littelfuse

Fuses with Leads - Through Hole 125V .031A MICRO Very Fast Acting

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Datasheet

124In Stock

580On Order

S/239.27

S/198.71

S/183.76

S/158.93

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

31 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

16 Ohms

Bulk

Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting

0272.062V
Littelfuse
1: S/72.48
11In Stock

Mfr. Part #
0272.062V

Mouser Part #
576-0272.062V

Littelfuse

Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting

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Datasheet

11In Stock

S/72.48

S/60.10

S/55.51

S/45.97

View

Min.: 1
Mult.: 1

272

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

2.55 Ohms

Bulk

Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting

0272.100H
Littelfuse
1: S/56.99
17In Stock
100Expected 6/3/2027

Mfr. Part #
0272.100H

Mouser Part #
576-0272.100H

Littelfuse

Fuses with Leads - Through Hole 125V .1A MICRO Very Fast Acting

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Datasheet

17In Stock

100Expected 6/3/2027

S/56.99

S/47.29

S/43.63

S/36.16

View

Min.: 1
Mult.: 1

272

PCB Mount Fuses

100 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 125 C

1.38 Ohms

Bulk

Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting

0273.062V
Littelfuse
1: S/69.52
14In Stock
1,320On Order

Mfr. Part #
0273.062V

Mouser Part #
576-0273.062V

Littelfuse

Fuses with Leads - Through Hole 125V .062A MICRO Very Fast Acting

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Datasheet

14In Stock

1,320On Order

S/69.52

S/60.96

S/48.62

S/48.58

S/42.16

Min.: 1
Mult.: 1

273

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

2.55 Ohms

Bulk

Fuses with Leads - Through Hole 125V .2A MICRO Very Fast Acting

0273.200V
Littelfuse
1: S/74.81
24In Stock
50Expected 9/17/2026

Mfr. Part #
0273.200V

Mouser Part #
576-0273.200V

Littelfuse

Fuses with Leads - Through Hole 125V .2A MICRO Very Fast Acting

Learn More

Datasheet

24In Stock

50Expected 9/17/2026

S/74.81

S/67.15

S/61.97

S/49.79

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

200 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

2.3 Ohms

Bulk

Fuses with Leads - Through Hole 125V .6A MICRO Very Fast Acting

0273.600V
Littelfuse
1: S/75.94
14In Stock
585Expected 9/24/2026

Mfr. Part #
0273.600V

Mouser Part #
576-0273.600V

Littelfuse

Fuses with Leads - Through Hole 125V .6A MICRO Very Fast Acting

Learn More

Datasheet

14In Stock

585Expected 9/24/2026

S/75.94

S/64.03

S/58.85

S/49.94

S/44.53

Min.: 1
Mult.: 1

273

PCB Mount Fuses

600 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

430 mOhms

Bulk

Fuses with Leads - Through Hole 125V .75A MICRO Very Fast Acting

0273.750H
Littelfuse
1: S/45.31
10In Stock
300Expected 9/17/2026

Mfr. Part #
0273.750H

Mouser Part #
576-0273.750H

Littelfuse

Fuses with Leads - Through Hole 125V .75A MICRO Very Fast Acting

Learn More

Datasheet

10In Stock

300Expected 9/17/2026

S/45.31

S/37.60

S/34.68

S/26.98

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

750 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

293 mOhms

Bulk

Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting

0273001.H
Littelfuse
1: S/38.65
33In Stock
1,300On Order

Mfr. Part #
0273001.H

Mouser Part #
576-0273001.H

Littelfuse

Fuses with Leads - Through Hole 125V 1A MICRO Very Fast Acting

Learn More

Datasheet

33In Stock

1,300On Order

S/38.65

S/32.70

S/30.01

S/29.08

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

1 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

88 mOhms

Bulk

Fuses with Leads - Through Hole 125V V/FA MICRO 1A

0273001.V
Littelfuse
1: S/72.40
43In Stock

Mfr. Part #
0273001.V

Mouser Part #
576-0273001.V

Littelfuse

Fuses with Leads - Through Hole 125V V/FA MICRO 1A

Learn More

Datasheet

43In Stock

S/72.40

S/63.25

S/60.29

S/46.05

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

1 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

88 mOhms

Bulk

Fuses with Leads - Through Hole 125V V/FA MICRO 3A

0273003.V
Littelfuse
1: S/72.83
10In Stock

Mfr. Part #
0273003.V

Mouser Part #
576-0273003.V

Littelfuse

Fuses with Leads - Through Hole 125V V/FA MICRO 3A

Learn More

Datasheet

10In Stock

S/72.83

S/63.49

S/60.49

S/54.61

S/47.49

Min.: 1
Mult.: 1

273

PCB Mount Fuses

3 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

27.5 mOhms

Bulk

Fuses with Leads - Through Hole 125V 4A MICRO Very Fast Acting

0273004.H
Littelfuse
1: S/42.27
11In Stock
500On Order

Mfr. Part #
0273004.H

Mouser Part #
576-0273004.H

Littelfuse

Fuses with Leads - Through Hole 125V 4A MICRO Very Fast Acting

Learn More

Datasheet

Product Comments

11In Stock

500On Order

S/42.27

S/38.73

S/34.84

S/29.19

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

4 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

20.2 mOhms

Bulk

Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting

0273005.H
Littelfuse
1: S/42.27
24In Stock
6,000On Order

Mfr. Part #
0273005.H

Mouser Part #
576-0273005.H

Littelfuse

Fuses with Leads - Through Hole 125V 5A MICRO Very Fast Acting

Learn More

Datasheet

Product Comments

24In Stock

6,000On Order

S/42.27

S/36.82

S/32.39

S/28.45

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

5 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

280 Ohms

Bulk

Fuses with Leads - Through Hole 125V V/FA MICRO 5A

0273005.V
Littelfuse
1: S/71.47
5In Stock
65On Order

Mfr. Part #
0273005.V

Mouser Part #
576-0273005.V

Littelfuse

Fuses with Leads - Through Hole 125V V/FA MICRO 5A

Learn More

Datasheet

5In Stock

65On Order

S/71.47

S/62.55

S/55.00

S/47.33

S/42.04

Min.: 1
Mult.: 1

273

PCB Mount Fuses

5 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

280 Ohms

Bulk

Micro™/TR3® Fuses

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2 mA
5 mA
10 mA
15 mA
31 mA
50 mA
62 mA
100 mA
125 mA
200 mA
250 mA
300 mA
400 mA
500 mA
600 mA
700 mA
750 mA
800 mA
1 A
1.5 A

19 mOhms
20.2 mOhms
27.5 mOhms
34 mOhms
42.5 mOhms
46 mOhms
57.8 mOhms
63 mOhms
88 mOhms
94 mOhms
100 mOhms
104 mOhms
114 mOhms
140 mOhms
167 mOhms
227 mOhms
271 mOhms
293 mOhms
324 mOhms
430 mOhms