LVR055K - Littelfuse

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LVR055K
Manufacturer

Littelfuse
ChipWorker Part#

CW51531009
Category

Fuse
Package

-
Description

PTC Resettable Fuse 0.55A(hold) 1.25A(trip) 240VAC 3.4W 26s 0.45Ω Radial 14 X 4.1 X 22.4mm Bag
Documentation

Datasheet

LVR055K Global Supplier

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LVR055K Specifications

Attribute	Attribute Value

Part Number	LVR055K
Manufacturer	Littelfuse
ChipWorker Part#	CW51531009
Category	Fuse
Documentation	Datasheet
Mounting Style	Through Hole
Case/Package	-
Voltage Rating (AC)	240 V
Operating Voltage	240 V
Time to Trip	26 s
Power Dissipation	3.4 W
Resistance	1.45 Ω
Holding Current	0.55 A
Trip Current	1.25 A
Current Rating (Max)	7 A
Holding Current (Max)	550 mA
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-20 ℃
Voltage Rating (Max)	240 VAC
Voltage Rating	240 VDC
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Size-Length	14 mm
Size-Width	4.1 mm
Size-Height	22.4 mm
Lead Length	7.60 mm
Cord Length	7.6 m
Operating Temperature	-20℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Bulk
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The LVR055K is a 0.55A PolySwitch Resettable Device that offers low resistance and is compatibly sized with fuse solutions. It helps to protect electric motors and transformers from damage caused by mechanical overloads, overheating, stall, lost neutral and other potentially harmful conditions. This LVR series line-voltage product line of polymeric positive temperature coefficient (PPTC) device includes components that are rated for line voltage of 120 and 240VAC, for up to 2A of operating current at 20°C. Helps to protect against damage caused by both over-current surges and over-temperature faults. Unlike traditional fuses, PolySwitch device do not require replacement after a fault event. After power has been removed and the over-current condition eliminated, the circuit is restored to normal operating condition. Compared to bimetal breaker, This LVR device offers greater flexibility, longer lifespan and lower electromagnetic interference (EMI).
Compatible with high-volume electronics assembly
Assist in meeting regulatory requirements
Higher voltage ratings allow use in new applications
Fast time-to-trip
Low resistance
UL94V-0 Flammability rating
Current rating from 50mA to 2A

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Ordering Information

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- Please check the technical specifications of the products when ordering.
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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