Fuses with Leads - Through Hole

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 126

Applied Filters:

Series

Product

Current Rating

Voltage Rating DC

Interrupt Rating

Minimum Operating Temperature

Maximum Operating Temperature

Resistance

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

0273003.H
Littelfuse
1: HK$73.08
5,147In Stock

Mfr. Part No.
0273003.H

Mouser Part No
576-0273003.H

Littelfuse

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

Learn More

Datasheet

5,147In Stock

HK$73.08

HK$65.43

HK$59.10

HK$52.03

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 .005A MICRO Very Fast Acting

0273.005V
Littelfuse
1: HK$541.45
188In Stock

Mfr. Part No.
0273.005V

Mouser Part No
576-0273.005V

Littelfuse

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

Learn More

Datasheet

188In Stock

HK$541.45

HK$449.06

HK$428.67

HK$360.69

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 .015A MICRO Very Fast Acting

0272.015V
Littelfuse
1: HK$519.50
63In Stock

Mfr. Part No.
0272.015V

Mouser Part No
576-0272.015V

Littelfuse

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

Learn More

Datasheet

63In Stock

HK$519.50

HK$430.89

HK$397.35

HK$328.88

HK$304.22

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

027301.5H
Littelfuse
1: HK$80.39
169In Stock

Mfr. Part No.
027301.5H

Mouser Part No
576-027301.5H

Littelfuse

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

Learn More

Datasheet

169In Stock

HK$80.39

HK$72.25

HK$49.32

HK$43.98

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 1.5A MICRO Very Fast Acting

027201.5H
Littelfuse
1: HK$121.57
159In Stock

Mfr. Part No.
027201.5H

Mouser Part No
576-027201.5H

Littelfuse

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

Learn More

Datasheet

159In Stock

HK$121.57

HK$100.94

HK$93.13

HK$77.19

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 .05A MICRO Very Fast Acting

0273.050H
Littelfuse
1: HK$89.27
6,312In Stock

Mfr. Part No.
0273.050H

Mouser Part No
576-0273.050H

Littelfuse

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

Learn More

Datasheet

6,312In Stock

HK$89.27

HK$74.88

HK$69.13

HK$57.29

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: HK$119.35
359In Stock

Mfr. Part No.
0272002.H

Mouser Part No
576-0272002.H

Littelfuse

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

Learn More

Datasheet

359In Stock

HK$119.35

HK$100.94

HK$91.24

HK$77.19

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: HK$123.55
900In Stock

Mfr. Part No.
0272003.H

Mouser Part No
576-0272003.H

Littelfuse

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

Learn More

Datasheet

900In Stock

HK$123.55

HK$106.37

HK$93.46

HK$85.08

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 .1A MICRO Very Fast Acting

0273.100H
Littelfuse
1: HK$91.82
1,375In Stock
800Expected 5/10/2026

Mfr. Part No.
0273.100H

Mouser Part No
576-0273.100H

Littelfuse

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

Learn More

Datasheet

1,375In Stock

800Expected 5/10/2026

HK$91.82

HK$79.90

HK$73.73

HK$61.16

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

100 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

1.38 Ohms

Bulk

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

0273.125H
Littelfuse
1: HK$89.27
2,043In Stock

Mfr. Part No.
0273.125H

Mouser Part No
576-0273.125H

Littelfuse

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

Learn More

Datasheet

2,043In Stock

HK$89.27

HK$74.06

HK$68.39

HK$56.72

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: HK$84.83
1,315In Stock

Mfr. Part No.
0273.250H

Mouser Part No
576-0273.250H

Littelfuse

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

Learn More

Datasheet

1,315In Stock

HK$84.83

HK$74.06

HK$68.39

HK$56.72

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 1A MICRO Very Fast Acting

0273001.H
Littelfuse
1: HK$83.02
644In Stock
1,300On Order

Mfr. Part No.
0273001.H

Mouser Part No
576-0273001.H

Littelfuse

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

Learn More

Datasheet

644In Stock

1,300On Order

HK$83.02

HK$69.38

HK$63.38

HK$62.55

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 2A MICRO Very Fast Acting

0273002.H
Littelfuse
1: HK$89.27
1,950In Stock

Mfr. Part No.
0273002.H

Mouser Part No
576-0273002.H

Littelfuse

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

Learn More

Datasheet

1,950In Stock

HK$89.27

HK$74.06

HK$68.39

HK$56.72

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 .031A MICRO Very Fast Acting

0273.031V
Littelfuse
1: HK$505.37
110In Stock
545On Order

Mfr. Part No.
0273.031V

Mouser Part No
576-0273.031V

Littelfuse

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

Learn More

Datasheet

110In Stock

545On Order

HK$505.37

HK$420.70

HK$388.07

HK$336.44

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: HK$153.06
11In Stock

Mfr. Part No.
0272.062V

Mouser Part No
576-0272.062V

Littelfuse

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

Learn More

Datasheet

11In Stock

HK$153.06

HK$126.92

HK$117.22

HK$97.08

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: HK$120.34
141In Stock

Mfr. Part No.
0272.100H

Mouser Part No
576-0272.100H

Littelfuse

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

Learn More

Datasheet

141In Stock

HK$120.34

HK$99.87

HK$92.15

HK$84.34

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: HK$151.66
14In Stock
765On Order

Mfr. Part No.
0273.062V

Mouser Part No
576-0273.062V

Littelfuse

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

Learn More

Datasheet

14In Stock

765On Order

HK$151.66

HK$130.86

HK$104.15

HK$89.02

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: HK$165.06
24In Stock
50Expected 3/9/2026

Mfr. Part No.
0273.200V

Mouser Part No
576-0273.200V

Littelfuse

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

Learn More

Datasheet

24In Stock

50Expected 3/9/2026

HK$165.06

HK$137.52

HK$126.83

HK$105.22

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 .5A MICRO Very Fast Acting

0273.500H
Littelfuse
1: HK$90.67
41In Stock
900On Order

Mfr. Part No.
0273.500H

Mouser Part No
576-0273.500H

Littelfuse

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

Learn More

Datasheet

41In Stock

900On Order

HK$90.67

HK$85.57

HK$76.04

HK$64.69

View

Min.: 1
Mult.: 1

273

PCB Mount Fuses

500 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

10 kA

Radial

MICRO

- 55 C

+ 85 C

167 mOhms

Bulk

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

0273.600V
Littelfuse
1: HK$151.74
15In Stock
585Expected 27/8/2026

Mfr. Part No.
0273.600V

Mouser Part No
576-0273.600V

Littelfuse

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

Learn More

Datasheet

15In Stock

585Expected 27/8/2026

HK$151.74

HK$125.60

HK$115.90

HK$108.92

HK$96.09

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: HK$90.26
10In Stock
300Expected 3/9/2026

Mfr. Part No.
0273.750H

Mouser Part No
576-0273.750H

Littelfuse

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

Learn More

Datasheet

10In Stock

300Expected 3/9/2026

HK$90.26

HK$74.88

HK$70.12

HK$58.28

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 V/FA MICRO 1A

0273001.V
Littelfuse
1: HK$154.04
46In Stock

Mfr. Part No.
0273001.V

Mouser Part No
576-0273001.V

Littelfuse

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

Learn More

Datasheet

46In Stock

HK$154.04

HK$135.96

HK$127.25

HK$97.24

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: HK$154.45
10In Stock

Mfr. Part No.
0273003.V

Mouser Part No
576-0273003.V

Littelfuse

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

Learn More

Datasheet

10In Stock

HK$154.45

HK$134.07

HK$127.74

HK$116.23

HK$102.01

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: HK$89.27
14In Stock
500On Order

Mfr. Part No.
0273004.H

Mouser Part No
576-0273004.H

Littelfuse

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

Learn More

Datasheet

Product Comments

14In Stock

500On Order

HK$89.27

HK$81.79

HK$73.57

HK$61.65

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: HK$89.27
24In Stock
6,000On Order

Mfr. Part No.
0273005.H

Mouser Part No
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

HK$89.27

HK$78.25

HK$68.39

HK$59.60

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

Micro™/TR3® Fuses

Customer Service Office

Company

Resources

Support

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