Circuit Protection

RS120-050

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OptiFuse

PTC RESET FUSE 120V 500MA RADIAL

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Circuit Protection

Active

OptiFuse

PTC RESET FUSE 120V 500MA RADIAL

Technical Specifications

Parameters and characteristics for this part

Specification	RS120-050

Approval Agency	cUL, TUV, UL
Current - Hold (Ih) (Max) [Max]	500 mA
Current - Max [Max]	3 A
Current - Trip (It)	1 A
Height - Seated (Max) [Max]	14.9 mm
Height - Seated (Max) [Max]	0.587 "
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 - Post Trip (R1) (Max) [Max]	1.17 Ohms
Size / Dimension	3.8 mm, 9.2 mm
Size / Dimension [custom]	0.15 in
Size / Dimension [diameter]	0.362 in
Time to Trip	6 s
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

General part information

Polymeric PTC Resettable Fuse 120V (135V Int) 500 mA Ih Through Hole Radial, Disc

Technical documentation and resources