MF-R185-2-99

Obsolete

Bourns Inc.

PTC RESET FUSE 30V 1.85A RADIAL

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Obsolete

Bourns Inc.

PTC RESET FUSE 30V 1.85A RADIAL

Technical Specifications

Parameters and characteristics for this part

Specification	MF-R185-2-99

Approval Agency	cURus, TUV
Current - Hold (Ih) (Max) [Max]	1.85 A
Current - Max [Max]	40 A
Current - Trip (It)	3.7 A
Height - Seated (Max) [Max]	18.4 mm
Height - Seated (Max) [Max]	0.724 in
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]	40 mOhms
Resistance - Post Trip (R1) (Max) [Max]	110 mOhms
Size / Dimension [custom]	0.118 "
Size / Dimension [custom]	3 mm
Size / Dimension [diameter]	12 mm
Size / Dimension [diameter]	0.472 in
Time to Trip	8.7 s
Type	Polymeric
Voltage - Max [Max]	30 V

Part	Type	Height - Seated (Max) [Max]	Height - Seated (Max) [Max]	Current - Hold (Ih) (Max) [Max]	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [custom]	Size / Dimension [custom]	Current - Trip (It)	Approval Agency	Mounting Type	Resistance - Initial (Ri) (Min) [Min]	Operating Temperature [Max]	Operating Temperature [Min]	Current - Max [Max]	Time to Trip	Lead Spacing	Lead Spacing	Package / Case	Resistance - Post Trip (R1) (Max) [Max]	Voltage - Max [Max]
Bourns Inc. MF-R185-2	Polymeric	18.4 mm	0.724 in	1.85 A	12 mm	0.472 in	0.118 "	3 mm	3.7 A	cURus TUV	Through Hole	40 mOhms	85 °C	-40 °C	40 A	8.7 s	5.1 mm	0.201 in	Disc Radial	110 mOhms	30 V
Bourns Inc. MF-R185-2-99	Polymeric	18.4 mm	0.724 in	1.85 A	12 mm	0.472 in	0.118 "	3 mm	3.7 A	cURus TUV	Through Hole	40 mOhms	85 °C	-40 °C	40 A	8.7 s	5.1 mm	0.201 in	Disc Radial	110 mOhms	30 V
Bourns Inc. MF-R185	Polymeric	18.4 mm	0.724 in	1.85 A	12 mm	0.472 in	0.118 "	3 mm	3.7 A	cURus TUV	Through Hole	40 mOhms	85 °C	-40 °C	40 A	8.7 s	5.1 mm	0.201 in	Disc Radial	110 mOhms	30 V

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

Distributor	Package	Quantity	$

General part information

Polymeric PTC Resettable Fuse 30V 1.85 A Ih Through Hole Radial, Disc

Technical documentation and resources