RS120-185

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OptiFuse

PTC RESET FUSE 120V 1.85A RADIAL

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OptiFuse

PTC RESET FUSE 120V 1.85A RADIAL

Technical Specifications

Parameters and characteristics for this part

Specification	RS120-185

Approval Agency	cUL, TUV, UL
Current - Hold (Ih) (Max) [Max]	1.85 A
Current - Max [Max]	12 A
Current - Trip (It)	3.7 A
Height - Seated (Max) [Max] [z]	24.9 mm
Height - Seated (Max) [Max] [z]	0.98 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]	80 mOhms
Size / Dimension [custom]	4.1 mm
Size / Dimension [custom]	0.161 "
Size / Dimension [diameter]	19.9 mm
Size / Dimension [diameter]	0.783 "
Type	Polymeric
Voltage - Max [Max]	135 V
Voltage - Max [Max]	120 V

Part	Current - Hold (Ih) (Max) [Max]	Voltage - Max [Max]	Voltage - Max [Max]	Approval Agency	Resistance - Post Trip (R1) (Max) [Max]	Package / Case	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Operating Temperature [Max]	Operating Temperature [Min]	Type	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max]	Current - Trip (It)	Resistance - Initial (Ri) (Min) [Min]	Mounting Type	Current - Max [Max]	Lead Spacing	Lead Spacing	Size / Dimension	Size / Dimension [custom]	Size / Dimension [diameter]	Time to Trip	Height - Seated (Max) [Max]	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [custom]	Size / Dimension [custom]	Height - Seated (Max) [Max] [z]
OptiFuse RS120-200	2 A	135 V	120 V	cUL TUV UL	210 mOhms	Disc Radial	0.925 "	0.161 in	23.5 mm	4.1 mm	85 °C	-40 °C	Polymeric	1.098 "	27.9 mm	4.2 A	80 mOhms	Through Hole	20 A	5.1 mm	0.201 in
OptiFuse RS120-050	500 mA	135 V	120 V	cUL TUV UL	1.17 Ohms	Disc Radial					85 °C	-40 °C	Polymeric		14.9 mm	1 A		Through Hole	3 A	5.1 mm	0.201 in	3.8 mm 9.2 mm	0.15 in	0.362 in	6 s	0.587 "
OptiFuse RS120-185	1.85 A	135 V	120 V	cUL TUV UL		Disc Radial					85 °C	-40 °C	Polymeric	0.98 in		3.7 A	80 mOhms	Through Hole	12 A	5.1 mm	0.201 in						19.9 mm	0.783 "	4.1 mm	0.161 "	24.9 mm

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

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 1.73

General part information

Polymeric PTC Resettable Fuse 120V (135V Int) 1.85 A Ih Through Hole Radial, Disc

Technical documentation and resources