Circuit Protection

LVR040K-2

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LITTELFUSE

RESETTABLE FUSES - PPTC 265V 22AWG LEAD.40A

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DocumentsPolySwitch, Line Voltage Catalog

Circuit Protection

LVR040K-2

Active

LITTELFUSE

RESETTABLE FUSES - PPTC 265V 22AWG LEAD.40A

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DocumentsPolySwitch, Line Voltage Catalog

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LVR040K-2

Approval Agency	CSA, TUV, UL, CQC
Current - Hold (Ih) (Max) [Max]	400 mA
Current - Max [Max]	5.5 A
Current - Trip (It)	900 mA
Height - Seated (Max) [z]	20.9 mm
Height - Seated (Max) [z]	0.823 in
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]	600 mOhms
Resistance - Post Trip (R1) (Max) [Max]	1.9 Ohms
Size / Dimension [x]	11.5 mm
Size / Dimension [x]	0.453 "
Size / Dimension [y]	3.8 mm
Size / Dimension [y]	0.15 "
Time to Trip	24 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	Cut Tape (CT)	1	$ 0.85	1m+
		5	$ 0.82
		10	$ 0.77
		50	$ 0.64
		100	$ 0.53
		250	$ 0.52
		500	$ 0.44
		1000	$ 0.39
	N/A	6323	$ 1.05	1m+
	Tape & Reel (TR)	2000	$ 0.37	1m+
		4000	$ 0.37
Mouser	N/A	1	$ 0.95	1m+
		5	$ 0.78
		10	$ 0.72
		50	$ 0.60
		100	$ 0.56
		250	$ 0.50
		500	$ 0.46
		1000	$ 0.39
		2000	$ 0.38

Description

General part information

LVR Series

Polymeric PTC Resettable Fuse 240V (265V Int) 400 mA Ih Through Hole Radial, Disc

Documents

Technical documentation and resources

PolySwitch, Line Voltage Catalog

Datasheet