LVR055K-2 Allicdata Electronics
Allicdata Part #:

LVR055K-2TR-ND

Manufacturer Part#:

LVR055K-2

Price: $ 0.37
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: PTC RESET FUSE 240V 550MA RADIAL
More Detail: Polymeric PTC Resettable Fuse 240V (265V Int) 550m...
DataSheet: LVR055K-2 datasheetLVR055K-2 Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1000 +: $ 0.33800
2000 +: $ 0.32051
3000 +: $ 0.31469
5000 +: $ 0.30303
10000 +: $ 0.29138
Stock 1000Can Ship Immediately
$ 0.37
Specifications
Resistance - Initial (Ri) (Min): 450 mOhms
Approvals: CQC, CSA, TUV, UL
Lead Spacing: 0.200" (5.08mm)
Thickness (Max): --
Height - Seated (Max): 0.882" (22.40mm)
Size / Dimension: 0.551" L x 0.161" W (14.00mm x 4.10mm)
Package / Case: Radial, Disc
Mounting Type: Through Hole
Ratings: --
Operating Temperature: -20°C ~ 85°C
Resistance - Post Trip (R1) (Max): 1.45 Ohms
Series: PolySwitch®, LVR
Time to Trip: 26s
Current - Trip (It): 1.25A
Current - Hold (Ih) (Max): 550mA
Current - Max: 7A
Voltage - Max: 240V (265V Int)
Type: Polymeric
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Tape & Reel (TR) 
Description

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PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) fuses, offer protection againsttransient overcurrents and eddy-current losses. They are widely used for safety purposes in a variety of applications, ranging from consumer electronics, automotive and industrial. The LVR055K-2 is one such type of PTC Resettable Fuse used by many different industries in their products.

The LVR055K-2 is a compact, low-voltage, resettable fuse with a rated operating current of 6A and a rated surge current of 30A. It is primarily designed to protect electronic circuits from overcurrents caused by short circuits, overvoltage, and other external factors. The resettable action of the fuse prevents the circuit from having to be replaced after every overload, making it both cost and time-saving. The fuse also has an internal thermal fuse that will automatically trip the fuse and protect against any other sudden and dramatic currents.

The working principle of the LVR055K-2 is based on the positive temperature coefficient (PTC) element, which is typically a semiconductor resistor. When current passes through the PTC element, its temperature rises. This rise in temperature increases the resistance of the element, which in turn reduces the current. If the current exceeds a threshold determined by the value of the PTC element, then the result is a self-regulating circuit where the temperature rises exponentially until the current is reduced to a safe level.

The LVR055K-2\'s features have made it popular for many applications, such as automotive, industrial, laboratory, and consumer electronics applications. In automotive applications, PTC resettable fuses are often used to protect the electrical systems of the vehicle, such as the lights and entertainment systems. Industrial and laboratory applications often use the fuse to prevent high-current damage caused by short-circuits or accidental contact with dangerous voltages. In consumer electronics, the PTC resettable fuse helps to protect against overvoltage and excessive current that could damage the circuit components.

The LVR055K-2 is easy to use and install. Simply connect the leads of the fuse to the circuit and the fuse will immediately protect against overcurrent and overvoltage. The resettable action of the fuse allows for easy resetting without having to replace the fuse each time. Furthermore, the integrated thermal protection ensures that the fuse will automatically trip if the current gets too high or too low, protecting the circuit from damage or potential danger.

In conclusion, the LVR055K-2 is a small but powerful tool for protecting electronics from transient overcurrents and eddy-current losses. Its small size makes it ideal for many applications, from automotive to consumer electronics. The integrated thermal protection and resettable action make the LVR055K-2 a cost-effective and time-saving solution for protecting sensitive electronics from damage.

The specific data is subject to PDF, and the above content is for reference

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