Resettable Fuses - PPTC

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72R POLYFUSE® Resettable PTCs

Littelfuse 72R POLYFUSE^® Resettable PTCs are designed to provide overcurrent protection to 72V_DC maximum voltage with a maximum 40A short circuit rating. These radial-leaded fuses are RoHS compliant and lead-free. Littelfuse 72R POLYFUSE Resettable PTCs are ideal for a broad range of general electronics using a low voltage power supply, such as computers and computer peripherals.

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Part #

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.85A

72R185XMR
Littelfuse
1: S/6.93
3,466In Stock

Mfr. Part #
72R185XMR

Mouser Part #
576-72R185XMR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.85A

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Datasheet

3,466In Stock

S/6.93

S/6.42

S/5.25

S/4.79

Reel

S/3.32

View

Min.: 1
Mult.: 1

: 1,000

72R

PCB Mount

Radial

1.85 A

72 VDC

3.7 A

40 A

190 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .750A

72R075XPR
Littelfuse
1: S/2.72
2,015In Stock

Mfr. Part #
72R075XPR

Mouser Part #
576-72R075XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .750A

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Datasheet

2,015In Stock

S/2.72

S/2.51

S/2.09

S/1.95

Reel

S/1.29

View

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

750 mA

72 VDC

1.5 A

40 A

600 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 3.75A

72R375XH
Littelfuse
1: S/10.98
799In Stock

Mfr. Part #
72R375XH

Mouser Part #
576-72R375XH

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 3.75A

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Datasheet

799In Stock

S/10.98

S/9.38

S/8.64

S/8.49

View

Min.: 1
Mult.: 1

72R

PCB Mount

Radial

3.75 A

72 VDC

7.5 A

40 A

80 mOhms

- 40 C

+ 85 C

10.2 mm

Bulk

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .200A

72R020XPR
Littelfuse
1: S/2.22
163In Stock
2,000Expected 11/10/2026

Mfr. Part #
72R020XPR

Mouser Part #
576-72R020XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .200A

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Datasheet

163In Stock

2,000Expected 11/10/2026

S/2.22

S/2.03

S/1.69

S/1.56

View

Reel

S/0.958

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

200 mA

72 VDC

400 mA

40 A

4.4 Ohms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .300A

72R030XPR
Littelfuse
1: S/2.65
2,142In Stock

Mfr. Part #
72R030XPR

Mouser Part #
576-72R030XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .300A

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Datasheet

2,142In Stock

S/2.65

S/2.43

S/2.02

S/1.86

Reel

S/1.35

View

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

300 mA

72 VDC

600 mA

40 A

2.1 Ohms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .400A

72R040XPR
Littelfuse
1: S/2.37
2,620In Stock

Mfr. Part #
72R040XPR

Mouser Part #
576-72R040XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .400A

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Datasheet

2,620In Stock

S/2.37

S/2.19

S/1.82

S/1.71

Reel

S/1.18

View

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

400 mA

72 VDC

800 mA

40 A

1.29 Ohms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .500A

72R050XPR
Littelfuse
1: S/2.45
587In Stock

Mfr. Part #
72R050XPR

Mouser Part #
576-72R050XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .500A

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Datasheet

587In Stock

S/2.45

S/2.25

S/1.87

S/1.72

View

Reel

S/1.07

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

500 mA

72 VDC

1 A

40 A

1.17 Ohms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .650A

72R065XPR
Littelfuse
1: S/3.89
2,175In Stock

Mfr. Part #
72R065XPR

Mouser Part #
576-72R065XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .650A

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Datasheet

2,175In Stock

S/3.89

S/3.00

S/2.81

S/2.13

Reel

S/1.55

View

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

650 mA

72 VDC

1.3 A

40 A

720 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .900A

72R090XPR
Littelfuse
1: S/3.35
2,849In Stock

Mfr. Part #
72R090XPR

Mouser Part #
576-72R090XPR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V .900A

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Datasheet

2,849In Stock

S/3.35

S/3.08

S/2.48

S/2.35

View

Reel

S/1.51

Min.: 1
Mult.: 1

: 2,000

72R

PCB Mount

Radial

900 mA

72 VDC

1.8 A

40 A

470 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.10A

72R110XMR
Littelfuse
1: S/4.87
1,928In Stock

Mfr. Part #
72R110XMR

Mouser Part #
576-72R110XMR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.10A

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Datasheet

1,928In Stock

S/4.87

S/4.52

S/3.67

S/3.43

View

Reel

S/2.28

Min.: 1
Mult.: 1

: 1,000

72R

PCB Mount

Radial

1.1 A

72 VDC

2.2 A

40 A

380 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.10A

72R110XU
Littelfuse
1: S/3.50
592In Stock

Mfr. Part #
72R110XU

Mouser Part #
576-72R110XU

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.10A

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Datasheet

592In Stock

S/3.50

S/3.22

S/2.67

S/2.47

View

Min.: 1
Mult.: 1

72R

PCB Mount

Radial

1.1 A

72 VDC

2.2 A

40 A

380 mOhms

- 40 C

+ 85 C

5.1 mm

Bulk

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.35A

72R135XF
Littelfuse
1: S/4.75
86In Stock

Mfr. Part #
72R135XF

Mouser Part #
576-72R135XF

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.35A

Learn More

Datasheet

86In Stock

S/4.75

S/4.40

S/3.43

S/2.58

View

Min.: 1
Mult.: 1

72R

PCB Mount

Radial

1.35 A

72 VDC

2.7 A

40 A

300 mOhms

- 40 C

+ 85 C

5.1 mm

Bulk

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.35A

72R135XMR
Littelfuse
1: S/5.68
994In Stock

Mfr. Part #
72R135XMR

Mouser Part #
576-72R135XMR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.35A

Learn More

Datasheet

994In Stock

S/5.68

S/5.25

S/4.36

S/4.05

View

Reel

S/2.72

Min.: 1
Mult.: 1

: 1,000

72R

PCB Mount

Radial

1.35 A

72 VDC

2.7 A

40 A

300 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.60A

72R160XF
Littelfuse
1: S/4.40
1,375In Stock

Mfr. Part #
72R160XF

Mouser Part #
576-72R160XF

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.60A

Learn More

Datasheet

1,375In Stock

S/4.40

S/4.05

S/3.35

S/2.85

View

Min.: 1
Mult.: 1

72R

PCB Mount

Radial

1.6 A

72 VDC

3.2 A

40 A

220 mOhms

- 40 C

+ 85 C

5.1 mm

Bulk

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.60A

72R160XMR
Littelfuse
1: S/6.19
1,008In Stock

Mfr. Part #
72R160XMR

Mouser Part #
576-72R160XMR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 1.60A

Learn More

Datasheet

1,008In Stock

S/6.19

S/5.68

S/4.67

S/4.28

View

Reel

S/2.97

Min.: 1
Mult.: 1

: 1,000

72R

PCB Mount

Radial

1.6 A

72 VDC

3.2 A

40 A

220 mOhms

- 40 C

+ 85 C

5.1 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 2.50A

72R250XMR
Littelfuse
1: S/11.37
60In Stock

Mfr. Part #
72R250XMR

Mouser Part #
576-72R250XMR

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 2.50A

Learn More

Datasheet

60In Stock

S/11.37

S/9.42

S/8.72

S/8.68

View

Reel

S/4.87

Min.: 1
Mult.: 1

: 1,000

72R

PCB Mount

Radial

2.5 A

72 VDC

5 A

40 A

130 mOhms

- 40 C

+ 85 C

10.2 mm

Ammo Pack

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 2.50A

72R250XF
Littelfuse
1: S/9.65
187Expected 10/29/2026

Mfr. Part #
72R250XF

Mouser Part #
576-72R250XF

Littelfuse

Resettable Fuses - PPTC PTC POLYFUSE RADIAL 72V 2.50A

Learn More

Datasheet

187Expected 10/29/2026

S/9.65

S/8.02

S/7.40

S/6.15

View

Min.: 1
Mult.: 1

72R

PCB Mount

Radial

2.5 A

72 VDC

5 A

40 A

130 mOhms

- 40 C

+ 85 C

10.2 mm

Bulk

72R POLYFUSE® Resettable PTCs

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