Circuit Protection

72R135XMR

Active

RESETTABLE FUSE, PPTC, POLY-FUSE 72R SERIES, 72 VDC, 1.35 A, 2.7 A, 9.6 S, ROUND

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Circuit Protection

Active

RESETTABLE FUSE, PPTC, POLY-FUSE 72R SERIES, 72 VDC, 1.35 A, 2.7 A, 9.6 S, ROUND

Technical Specifications

Parameters and characteristics for this part

Specification	72R135XMR

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	1.35 A
Current - Max [Max]	40 A
Current - Trip (It)	2.7 A
Height - Seated (Max) [Max] [z]	19.8 mm
Height - Seated (Max) [Max] [z]	0.78 "
Lead Spacing	5.1 mm
Lead Spacing	0.201 in
Mounting Type	Through Hole
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	Disc, Radial
Resistance - Initial (Ri) (Min) [Min]	120 mOhms
Resistance - Post Trip (R1) (Max) [Max]	300 mOhms
Size / Dimension [diameter]	13.58 mm
Size / Dimension [diameter]	0.535 in
Size / Dimension [z]	3.1 mm
Size / Dimension [z]	0.122 in
Time to Trip	9.6 s
Type	Polymeric
Voltage - Max [Max]	72 V

PTC 72V POLYFUSE RADIAL LEADS 1.35A

Part	Lead Spacing	Lead Spacing	Current - Trip (It)	Size / Dimension [z]	Size / Dimension [diameter]	Size / Dimension [z]	Size / Dimension [diameter]	Time to Trip	Current - Max [Max]	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Resistance - Post Trip (R1) (Max) [Max]	Type	Current - Hold (Ih) (Max) [Max]	Voltage - Max [Max]	Mounting Type	Resistance - Initial (Ri) (Min) [Min]	Package / Case	Approval Agency	Operating Temperature [Max]	Operating Temperature [Min]
Littelfuse/Commercial Vehicle Products 72R135XMR	5.1 mm	0.201 in	2.7 A	3.1 mm	13.58 mm	0.122 in	0.535 in	9.6 s	40 A	19.8 mm	0.78 "	300 mOhms	Polymeric	1.35 A	72 V	Through Hole	120 mOhms	Disc Radial	cURus TUV	85 °C	-40 °C
Littelfuse/Commercial Vehicle Products 72R135XF	5.1 mm	0.201 in	2.7 A	3.1 mm	13.58 mm	0.122 in	0.535 in	9.6 s	40 A	19.8 mm	0.78 "	300 mOhms	Polymeric	1.35 A	72 V	Through Hole	120 mOhms	Disc Radial	cURus TUV	85 °C	-40 °C

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

The 72R Series is designed to provide overcurrent protection to 72Vdc maximum voltage with a maximum 40A short circuit rating.

Technical documentation and resources