Circuit Protection

LVR055S-1

Active

LITTELFUSE

RESETTABLE FUSES - PPTC PTC .55A

Deep-Dive with AI

Search across all available documentation for this part.

DocumentsDatasheet

Circuit Protection

LVR055S-1

Active

LITTELFUSE

RESETTABLE FUSES - PPTC PTC .55A

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LVR055S-1

Approval Agency	CSA, TUV, UL, CQC
Current - Hold (Ih) (Max) [Max]	550 mA
Current - Max [Max]	7 A
Current - Trip (It)	1.25 A
Height - Seated (Max) [Max]	0.854 in
Height - Seated (Max) [Max]	21.7 mm
Lead Spacing	0.2 in
Lead Spacing	5.08 mm
Mounting Type	Through Hole
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-20 ░C
Package / Case	Disc, Radial
Resistance - Initial (Ri) (Min) [Min]	450 mOhms
Resistance - Post Trip (R1) (Max) [Max]	1.45 Ohms
Size / Dimension [x]	0.551 in
Size / Dimension [x]	14 mm
Size / Dimension [y]	0.161 in
Size / Dimension [y]	4.1 mm
Time to Trip	26 s
Type	Polymeric
Voltage - Max [Max]	240 V
Voltage - Max [Max]	265 V

LVR Series

Part	Current - Max [Max]	Size / Dimension [diameter]	Size / Dimension [z]	Size / Dimension [z]	Size / Dimension [diameter]	Voltage - Max [Max]	Voltage - Max [Max]	Current - Hold (Ih) (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Lead Spacing	Lead Spacing	Resistance - Post Trip (R1) (Max) [Max]	Time to Trip	Type	Resistance - Initial (Ri) (Min) [Min]	Current - Trip (It)	Package / Case	Mounting Type	Approval Agency	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [y]	Height - Seated (Max) [Max]	Height - Seated (Max)	Resistance - 25°C (Typ)	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max]	Height - Seated (Max) [z]	Height - Seated (Max) [z]
LITTELFUSE LVR005NS-1	1 A	6.9 mm	4.6 mm	0.181 "	0.272 in	240 V	265 V	50 mA	85 °C	-20 ░C	0.2 in	5.08 mm	65 Ohms	10 s	Polymeric	18.5 Ohms	120 mA	Disc Radial	Through Hole
LITTELFUSE LVR075K-240	7.5 A					240 V	265 V	750 mA	85 °C	-20 ░C	0.201 in	5.1 mm	0.839 Ohms	18 s	Polymeric	316 mOhms	1.5 A	Disc Radial	Through Hole	CSA TUV UR	11.5 mm	0.161 in	0.453 "	4.1 mm	1 in	25.4 mm	483 mOhms
LITTELFUSE LVR033S	4.5 A					240 V	265 V	330 mA	85 °C	-20 ░C	0.2 in	5.08 mm	2.6 Ohms	21 s	Polymeric	770 mOhms	740 mA	Disc Radial	Through Hole	CQC CSA TUV UL	11.4 mm	0.15 "	0.449 "	3.8 mm				0.65 in	16.5 mm
LITTELFUSE LVR100K-240	10 A	18.7 mm			0.736 in	240 V	265 V	1 A	85 °C	-20 ░C	0.4 "	10.15 mm	580 mOhms	21 s	Polymeric	218 mOhms	2 A	Disc Radial	Through Hole						1.134 in		334 mOhms			28.8 mm
LITTELFUSE LVR055S-1	7 A					240 V	265 V	550 mA	85 °C	-20 ░C	0.2 in	5.08 mm	1.45 Ohms	26 s	Polymeric	450 mOhms	1.25 A	Disc Radial	Through Hole	CQC CSA TUV UL	14 mm	0.161 in	0.551 in	4.1 mm	0.854 in					21.7 mm
LITTELFUSE LVR040K-2	5.5 A					240 V	265 V	400 mA	85 °C	-20 ░C	0.2 in	5.08 mm	1.9 Ohms	24 s	Polymeric	600 mOhms	900 mA	Disc Radial	Through Hole	CQC CSA TUV UL	11.5 mm	0.15 "	0.453 "	3.8 mm							20.9 mm	0.823 in

Pricing

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

Distributor	Package	Quantity	$	Updated

Digikey	Bag	500	$ 0.64	1m+
	N/A	746	$ 1.31	1m+
Sager	N/A	500	$ 0.70	1m+
		1000	$ 0.67
		2500	$ 0.64

Description

General part information

LVR Series

Polymeric PTC Resettable Fuse 240V (265V Int) 550 mA Ih Through Hole Radial, Disc

Documents

Technical documentation and resources

Datasheet

Document