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72R250XMR Datasheet

72R250XMR Datasheet Page 1
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72R250XMR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

2.5A

Current - Trip (It)

5A

Time to Trip

15.6s

Resistance - Initial (Ri) (Min)

50 mOhms

Resistance - Post Trip (R1) (Max)

130 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.785" Dia x 0.122" T (19.93mm x 3.10mm)

Height - Seated (Max)

1.032" (26.20mm)

Thickness (Max)

-

Lead Spacing

0.402" (10.20mm)

72R300XMR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

3A

Current - Trip (It)

6A

Time to Trip

19.8s

Resistance - Initial (Ri) (Min)

40 mOhms

Resistance - Post Trip (R1) (Max)

100 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.910" Dia x 0.122" T (23.11mm x 3.10mm)

Height - Seated (Max)

1.154" (29.30mm)

Thickness (Max)

-

Lead Spacing

0.402" (10.20mm)

72R185XMR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

1.85A

Current - Trip (It)

3.7A

Time to Trip

12.6s

Resistance - Initial (Ri) (Min)

80 mOhms

Resistance - Post Trip (R1) (Max)

190 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.660" Dia x 0.122" T (16.76mm x 3.10mm)

Height - Seated (Max)

0.906" (23.00mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R160XMR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

1.6A

Current - Trip (It)

3.2A

Time to Trip

11.4s

Resistance - Initial (Ri) (Min)

90 mOhms

Resistance - Post Trip (R1) (Max)

220 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.600" Dia x 0.122" T (15.24mm x 3.10mm)

Height - Seated (Max)

0.850" (21.60mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R110XMR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

1.1A

Current - Trip (It)

2.2A

Time to Trip

8.2s

Resistance - Initial (Ri) (Min)

150 mOhms

Resistance - Post Trip (R1) (Max)

380 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.512" Dia x 0.122" T (13.00mm x 3.10mm)

Height - Seated (Max)

0.717" (18.20mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R090XPR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

900mA

Current - Trip (It)

1.8A

Time to Trip

7.2s

Resistance - Initial (Ri) (Min)

200 mOhms

Resistance - Post Trip (R1) (Max)

470 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.441" Dia x 0.122" T (11.20mm x 3.10mm)

Height - Seated (Max)

0.622" (15.80mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R075XU

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

750mA

Current - Trip (It)

1.5A

Time to Trip

6.3s

Resistance - Initial (Ri) (Min)

250 mOhms

Resistance - Post Trip (R1) (Max)

600 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.402" Dia x 0.122" T (10.20mm x 3.10mm)

Height - Seated (Max)

0.598" (15.20mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R030XU

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

300mA

Current - Trip (It)

600mA

Time to Trip

3s

Resistance - Initial (Ri) (Min)

880 mOhms

Resistance - Post Trip (R1) (Max)

2.1 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.291" Dia x 0.122" T (7.40mm x 3.10mm)

Height - Seated (Max)

0.500" (12.70mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R020XU

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

200mA

Current - Trip (It)

400mA

Time to Trip

2.2s

Resistance - Initial (Ri) (Min)

1.83 Ohms

Resistance - Post Trip (R1) (Max)

4.4 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.291" Dia x 0.122" T (7.40mm x 3.10mm)

Height - Seated (Max)

0.461" (11.70mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R050XPR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

500mA

Current - Trip (It)

1A

Time to Trip

4s

Resistance - Initial (Ri) (Min)

500 mOhms

Resistance - Post Trip (R1) (Max)

1.17 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.311" Dia x 0.122" T (7.90mm x 3.10mm)

Height - Seated (Max)

0.539" (13.70mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R030XPR

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

300mA

Current - Trip (It)

600mA

Time to Trip

3s

Resistance - Initial (Ri) (Min)

880 mOhms

Resistance - Post Trip (R1) (Max)

2.1 Ohms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.291" Dia x 0.122" T (7.40mm x 3.10mm)

Height - Seated (Max)

0.500" (12.70mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)

72R065XU

Littelfuse

Manufacturer

Littelfuse Inc.

Series

POLY-FUSE®, 72R

Type

Polymeric

Voltage - Max

72V

Current - Max

40A

Current - Hold (Ih) (Max)

650mA

Current - Trip (It)

1.3A

Time to Trip

5.3s

Resistance - Initial (Ri) (Min)

310 mOhms

Resistance - Post Trip (R1) (Max)

720 mOhms

Resistance - 25°C (Typ)

-

Operating Temperature

-40°C ~ 85°C

Ratings

-

Mounting Type

Through Hole

Package / Case

Radial, Disc

Size / Dimension

0.370" Dia x 0.122" T (9.40mm x 3.10mm)

Height - Seated (Max)

0.571" (14.50mm)

Thickness (Max)

-

Lead Spacing

0.201" (5.10mm)