Fuses with Leads - Through Hole

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251/253 Series PICO® II Very Fast-Acting Fuses

Littelfuse 251/253 Series PICO^® II Very Fast-Acting Fuses are designed to meet an extensive array of performance characteristics in a space-saving subminiature package. These fast-acting fuses operate at -55°C to 125°C temperature range and at 0.062A to 15A current rating range. The 251/253 series fuses are small and feature low-temperature re-rating. These fuses are ideal for flat–panel display TVs, LCD monitors, LCD backlight inverters, office machines, power supplies, audio/video systems, lighting systems, and medical equipment.

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Part #

Fuses with Leads - Through Hole 125V .2A

0251.200MAT1L
Littelfuse
1: S/9.69
1,482In Stock

Mfr. Part #
0251.200MAT1L

Mouser Part #
576-0251.200MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .2A

Learn More

Datasheet

1,482In Stock

S/9.69

S/8.95

S/8.49

S/6.85

View

Reel

S/4.09

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

200 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

895 mOhms

Ammo Pack

Fuses with Leads - Through Hole 125V .75A

0251.750NRT1L
Littelfuse
1: S/5.37
5,635In Stock

Mfr. Part #
0251.750NRT1L

Mouser Part #
576-0251.750NRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .75A

Learn More

Datasheet

5,635In Stock

Cut Tape

S/5.37

S/4.83

S/4.52

S/2.67

View

Reel

S/2.13

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

750 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

175 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .062A

0251.062NRT1L
Littelfuse
1: S/24.41
3,964In Stock

Mfr. Part #
0251.062NRT1L

Mouser Part #
576-0251.062NRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .062A

Learn More

Datasheet

3,964In Stock

Cut Tape

S/24.41

S/22.85

S/21.53

S/17.17

View

Reel

S/11.21

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

7 Ohms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .25A

0251.250NRT1L
Littelfuse
1: S/7.90
9,237In Stock

Mfr. Part #
0251.250NRT1L

Mouser Part #
576-0251.250NRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .25A

Learn More

Datasheet

9,237In Stock

Cut Tape

S/7.90

S/6.66

S/6.19

S/5.14

View

Reel

S/2.89

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

250 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

665 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .062A

0251.062MRT1L
Littelfuse
1: S/25.22
3,408In Stock

Mfr. Part #
0251.062MRT1L

Mouser Part #
576-0251.062MRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .062A

Learn More

Datasheet

3,408In Stock

Cut Tape

S/25.22

S/23.16

S/21.29

S/17.17

View

Reel

S/11.17

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

7 Ohms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V 2.5A PICO II FA

025102.5NAT1L
Littelfuse
1: S/4.94
3,372In Stock

Mfr. Part #
025102.5NAT1L

Mouser Part #
576-025102.5NAT1L

Littelfuse

Fuses with Leads - Through Hole 125V 2.5A PICO II FA

Learn More

Datasheet

3,372In Stock

S/4.94

S/4.44

S/4.13

S/3.41

View

Reel

S/1.99

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

2.5 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

36 mOhms

Ammo Pack

Fuses with Leads - Through Hole 32V 12A PICO II FA

0251012.NAT1L
Littelfuse
1: S/6.70
9,486In Stock

Mfr. Part #
0251012.NAT1L

Mouser Part #
576-0251012.NAT1L

Littelfuse

Fuses with Leads - Through Hole 32V 12A PICO II FA

Learn More

Datasheet

9,486In Stock

S/6.70

S/5.92

S/5.61

S/4.52

View

Reel

S/2.69

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

12 A

32 VAC

Fast Blow

Leaded Fuses

32 VDC

300 A

Axial

PICO II

5 mOhms

Ammo Pack

Fuses with Leads - Through Hole 125V 1A FM10A Mil

0253001.M
Littelfuse
1: S/39.59
910In Stock

Mfr. Part #
0253001.M

Mouser Part #
576-0253001.M

Littelfuse

Fuses with Leads - Through Hole 125V 1A FM10A Mil

Learn More

Datasheet

910In Stock

S/39.59

S/32.85

S/30.32

S/25.15

View

Min.: 1
Mult.: 1

253

PCB Mount Fuses

1 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

128 mOhms

Bulk

Fuses with Leads - Through Hole 125V 7A FM10A Mil

0253007.M
Littelfuse
1: S/39.59
950In Stock

Mfr. Part #
0253007.M

Mouser Part #
576-0253007.M

Littelfuse

Fuses with Leads - Through Hole 125V 7A FM10A Mil

Datasheet

950In Stock

S/39.59

S/32.85

S/30.32

S/25.15

View

Min.: 1
Mult.: 1

253

PCB Mount Fuses

7 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

10.7 mOhms

Bulk

Fuses with Leads - Through Hole 125V 1.6A

025101.6MRT1L
Littelfuse
1: S/4.90
738In Stock

Mfr. Part #
025101.6MRT1L

Mouser Part #
576-025101.6MRT1L

Littelfuse

Fuses with Leads - Through Hole 125V 1.6A

Learn More

Datasheet

738In Stock

Cut Tape

S/4.90

S/4.28

S/4.01

S/3.33

Reel

S/2.20

View

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

1.6 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

Axial

PICO II

70 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V 10A PICO II Fast Acting

0251010.MXJL
Littelfuse
1: S/4.94
1,672In Stock

Mfr. Part #
0251010.MXJL

Mouser Part #
576-0251010.MXJL

Littelfuse

Fuses with Leads - Through Hole 125V 10A PICO II Fast Acting

Learn More

Datasheet

1,672In Stock

Cut Tape

S/4.94

S/4.32

S/4.05

S/3.33

Reel

S/2.20

View

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

10 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

50 A, 300 A

Axial

PICO II

- 55 C

+ 125 C

7.05 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .25A

0251.250VXL
Littelfuse
1: S/85.05
1In Stock

Mfr. Part #
0251.250VXL

Mouser Part #
576-0251.250VXL

Littelfuse

Fuses with Leads - Through Hole 125V .25A

Learn More

Datasheet

1In Stock

S/85.05

S/76.95

S/74.23

S/71.97

View

Min.: 1
Mult.: 1

251

PCB Mount Fuses

250 mA

125 VAC

Fast Blow

Leaded Fuses

Axial

PICO II

665 mOhms

Bulk

Fuses with Leads - Through Hole 125V 2A PICO II Fast Acting

0251002.PAT1L
Littelfuse
1: S/6.15
1,177In Stock

Mfr. Part #
0251002.PAT1L

Mouser Part #
576-0251002.PAT1L

Littelfuse

Fuses with Leads - Through Hole 125V 2A PICO II Fast Acting

Learn More

Datasheet

1,177In Stock

S/6.15

S/5.45

S/5.18

S/4.16

View

Reel

S/2.48

Min.: 1
Mult.: 1

: 2,000

251

PCB Mount Fuses

2 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO

- 55 C

+ 125 C

47.3 mOhms

Ammo Pack

Fuses with Leads - Through Hole 125V 4A PICO II Fast Acting

0251004.PF001L
Littelfuse
1: S/6.11
1,557In Stock

Mfr. Part #
0251004.PF001L

Mouser Part #
576-0251004.PF001L

Littelfuse

Fuses with Leads - Through Hole 125V 4A PICO II Fast Acting

Learn More

Datasheet

1,557In Stock

Cut Tape

S/6.11

S/5.10

S/4.71

S/3.88

View

Reel

S/2.48

Min.: 1
Mult.: 1

: 2,000

251

PCB Mount Fuses

4 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

Axial

PICO

- 55 C

+ 125 C

20.4 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .375A

0251.375MAT1L
Littelfuse
1: S/7.32
975In Stock

Mfr. Part #
0251.375MAT1L

Mouser Part #
576-0251.375MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .375A

Learn More

Datasheet

975In Stock

S/7.32

S/6.62

S/6.27

S/5.06

View

Reel

S/3.02

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

375 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

395 mOhms

Ammo Pack

Fuses with Leads - Through Hole 125V .062A

0251.062MXL
Littelfuse
1: S/22.07
13,368In Stock

Mfr. Part #
0251.062MXL

Mouser Part #
576-0251.062MXL

Littelfuse

Fuses with Leads - Through Hole 125V .062A

Learn More

Datasheet

13,368In Stock

S/22.07

S/19.70

S/18.45

S/14.21

S/12.81

Min.: 1
Mult.: 1

251

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

7 Ohms

Bulk

Fuses with Leads - Through Hole 125V .125A

0251.125MXL
Littelfuse
1: S/5.92
29,633In Stock

Mfr. Part #
0251.125MXL

Mouser Part #
576-0251.125MXL

Littelfuse

Fuses with Leads - Through Hole 125V .125A

Learn More

Datasheet

29,633In Stock

S/5.92

S/4.90

S/4.55

S/3.75

View

Min.: 1
Mult.: 1

251

PCB Mount Fuses

125 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

50 A, 300 A

Axial

PICO II

- 55 C

+ 125 C

1.7 Ohms

Bulk

Fuses with Leads - Through Hole 125V 1A

0251001.MAT1L
Littelfuse
1: S/5.10
28,163In Stock

Mfr. Part #
0251001.MAT1L

Mouser Part #
576-0251001.MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V 1A

Learn More

Datasheet

28,163In Stock

S/5.10

S/4.40

S/4.09

S/3.49

View

Reel

S/2.18

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

1 A

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

128 mOhms

Ammo Pack

Fuses with Leads - Through Hole 125V 2A

0251002.MRT1L
Littelfuse
1: S/5.14
26,496In Stock

Mfr. Part #
0251002.MRT1L

Mouser Part #
576-0251002.MRT1L

Littelfuse

Fuses with Leads - Through Hole 125V 2A

Learn More

Datasheet

26,496In Stock

Cut Tape

S/5.14

S/4.63

S/4.32

S/3.57

View

Reel

S/2.18

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

2 A

125 VAC

Fast Blow

Leaded Fuses

50 A, 300 A

Axial

PICO II

- 55 C

+ 125 C

47.3 mOhms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .062A PICO II FA

0251.062HAT1L
Littelfuse
1: S/30.75
2,443In Stock

Mfr. Part #
0251.062HAT1L

Mouser Part #
576-0251.062HAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .062A PICO II FA

Learn More

Datasheet

2,443In Stock

S/30.75

S/26.98

S/25.46

S/20.28

Reel

S/15.41

Min.: 1
Mult.: 1

: 100

251

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

7 Ohms

Ammo Pack

Fuses with Leads - Through Hole 125V .062A

0251.062MAT1L
Littelfuse
1: S/27.56
1,910In Stock

Mfr. Part #
0251.062MAT1L

Mouser Part #
576-0251.062MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .062A

Learn More

Datasheet

1,910In Stock

S/27.56

S/23.74

S/21.91

S/18.18

View

Reel

S/13.08

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

62 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

7 Ohms

Ammo Pack

Fuses with Leads - Through Hole 125V .125A

0251.125MAT1L
Littelfuse
1: S/8.49
14,317In Stock
13,000Expected 3/3/2027

Mfr. Part #
0251.125MAT1L

Mouser Part #
576-0251.125MAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .125A

Learn More

Datasheet

14,317In Stock

13,000Expected 3/3/2027

S/8.49

S/7.08

S/6.54

S/5.41

View

Reel

S/3.45

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

125 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

50 A, 300 A

Axial

PICO II

- 55 C

+ 125 C

1.7 Ohms

Ammo Pack

Fuses with Leads - Through Hole 125V .125A

0251.125MRT1L
Littelfuse
1: S/8.10
2,373In Stock

Mfr. Part #
0251.125MRT1L

Mouser Part #
576-0251.125MRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .125A

Learn More

Datasheet

2,373In Stock

Cut Tape

S/8.10

S/7.08

S/6.54

S/5.41

View

Reel

S/3.02

Min.: 1
Mult.: 1

: 1,000

251

PCB Mount Fuses

125 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

50 A, 300 A

Axial

PICO II

- 55 C

+ 125 C

1.7 Ohms

Reel, Cut Tape

Fuses with Leads - Through Hole 125V .125A PICO II FA

0251.125NAT1L
Littelfuse
1: S/7.32
2,752In Stock

Mfr. Part #
0251.125NAT1L

Mouser Part #
576-0251.125NAT1L

Littelfuse

Fuses with Leads - Through Hole 125V .125A PICO II FA

Learn More

Datasheet

2,752In Stock

S/7.32

S/6.62

S/6.27

S/5.06

View

Reel

S/3.02

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

125 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

Axial

PICO II

1.7 Ohms

Ammo Pack

Fuses with Leads - Through Hole 125V .2A

0251.200NRT1L
Littelfuse
1: S/10.47
5,000In Stock

Mfr. Part #
0251.200NRT1L

Mouser Part #
576-0251.200NRT1L

Littelfuse

Fuses with Leads - Through Hole 125V .2A

Learn More

Datasheet

5,000In Stock

Cut Tape

S/10.47

S/8.99

S/8.37

S/6.89

View

Reel

S/4.55

Min.: 1
Mult.: 1

: 5,000

251

PCB Mount Fuses

200 mA

125 VAC

Fast Blow

Leaded Fuses

125 VDC

300 A

Axial

PICO II

- 55 C

+ 125 C

895 mOhms

Reel, Cut Tape

251/253 Series PICO® II Very Fast-Acting Fuses

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Support

62 mA
125 mA
200 mA
250 mA
375 mA
500 mA
630 mA
750 mA
1 A
1.25 A
1.5 A
1.6 A
2 A
2.5 A
3 A
3.15 A
3.5 A
4 A
5 A
7 A

4.46 mOhms
5 mOhms
7.05 mOhms
7.2 mOhms
10.5 mOhms
10.7 mOhms
15.5 mOhms
15.8 mOhms
20.4 mOhms
24 mOhms
29 mOhms
29.5 mOhms
36 mOhms
36.4 mOhms
47.3 mOhms
70 mOhms
82.3 mOhms
100 mOhms
128 mOhms
175 mOhms