0805L050WR

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0805L050WR

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PTC RESET FUSE 6V 500MA 0805

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
Series POLY-FUSE®, 0805L
ProductStatus Active
Type Polymeric
Voltage-Max 6V
Current-Max 100 A
Current-Hold(Ih)(Max) 500 mA
Current-Trip(It) 1 A
TimetoTrip 100 ms
Resistance-Initial(Ri)(Min) 150 mOhms
Resistance-PostTrip(R1)(Max) 850 mOhms
OperatingTemperature -40°C ~ 85°C
Ratings AEC-Q200
MountingType Surface Mount
Package/Case 0805 (2012 Metric), Concave
Size/Dimension 0.083 L x 0.053 W (2.10mm x 1.35mm)
Thickness(Max) 0.049 (1.25mm)

Übersicht

Description

The 0805L050WR is a surface-mount PolySwitch resettable fuse manufactured by Littelfuse. This component is designed to protect electrical circuits against overcurrent conditions, which can potentially cause damage or failure. The "0805" refers to the standard package size of the component, measuring approximately 0.08 inches by 0.05 inches. The "050" indicates its hold current, which is 0.5 amps, meaning it will allow this current to pass under normal operating conditions. The "WR" signifies that it features a wider resistance range or specific material characteristics suited to certain applications.
PolySwitch fuses are made from a polymeric positive temperature coefficient (PPTC) material. When excessive current flows through it, the material heats up and expands, increasing resistance and effectively limiting the current flow. Once the fault is cleared and the component cools down, it resets itself, allowing current to flow normally again. This makes the 0805L050WR ideal for applications where consistent protection and resettable functionality are required, such as in telecommunications, consumer electronics, and automotive applications.

Equivalent

The 0805L050WR is a surface-mount resettable fuse (PolySwitch) from Littelfuse. Equivalent products from other manufacturers include:
1. Bourns MF-MSMD050-2
2. TE Connectivity RGEF050
3. Bel Fuse 0ZCJ0050FF2E
4. Eaton (Cooper Bussmann) BBRF050-2
Ensure to compare specifications like hold current, trip current, maximum voltage, and operating temperature range to ensure compatibility with your application.

Features

The 0805L050WR is a PolySwitch resettable PTC (Positive Temperature Coefficient) fuse manufactured by Littelfuse. Here are its key features:
1. Size and Type: The component comes in an 0805 surface-mount package, offering a compact footprint suitable for dense PCB designs.
2. Current Ratings: It has a hold current rating of 0.5A and a trip current of 1.0A, making it ideal for low-current circuit protection.
3. Voltage Rating: It supports a maximum operating voltage of 6V, suitable for low-voltage applications.
4. Resistance: The initial resistance typically ranges between 0.3 to 1.2 ohms, with a post-trip resistance of up to 3 ohms.
5. Temperature Range: It operates effectively over a temperature range of -40°C to +85°C, providing flexibility in various environmental conditions.
6. Resettable Functionality: The PTC characteristic allows it to reset after a fault condition is cleared, providing overcurrent protection without the need for component replacement.
7. Applications: Commonly used in consumer electronics, telecommunications, and computer peripherals for safeguarding against overcurrent conditions.
These features make the 0805L050WR a reliable choice for protecting circuits in compact and sensitive electronic devices.

Pinout

The 0805L050WR is a surface-mount Polymeric Positive Temperature Coefficient (PPTC) resettable fuse, commonly used for overcurrent protection in electronic circuits. It is part of the 0805 package series, which is a standard surface-mount package size with dimensions of approximately 2.0 mm x 1.2 mm. This component typically has two pins or terminals, designed for easy integration into printed circuit boards (PCBs).
The primary function of the 0805L050WR is to protect electronic circuits from overcurrent conditions by limiting the flow of excessive current. In normal operation, it allows current to pass through with low resistance. When an overcurrent condition occurs, the device heats up and increases its resistance significantly, thus reducing the current flow to protect the circuit. Once the fault is cleared and the device cools down, it resets itself to its low-resistance state, allowing normal current flow to resume. This self-resetting capability makes PPTCs like the 0805L050WR ideal for applications requiring maintenance-free overcurrent protection.

Manufacturer

The 0805L050WR is manufactured by Littelfuse, Inc. Littelfuse is an American company that specializes in circuit protection, power control, and sensing solutions. Founded in 1927, Littelfuse serves various industries including automotive, electronics, and industrial markets. They provide a wide range of products such as fuses, semiconductors, and sensors, designed to protect electrical circuits and components from overcurrent, overvoltage, and other electrical hazards.

Application

The 0805L050WR is a Polymeric Positive Temperature Coefficient (PPTC) resettable fuse, commonly used for overcurrent protection. Its applications include:
1. Consumer Electronics: Protecting devices like smartphones, tablets, and gaming consoles from current surges.
2. Computers and Peripherals: Safeguarding USB ports, motherboards, and peripherals against circuit overloads.
3. Telecommunications: Ensuring protection in modems, routers, and other networking equipment.
4. Automotive Electronics: Used in infotainment systems and electronic control units to prevent damage from electrical faults.
5. Industrial Equipment: Applied in control systems and sensors for reliable circuit protection.
These fuses are valued for their ability to reset after a fault condition, reducing the need for replacements.

Package

The 0805L050WR is a surface-mount device with an 0805 package type, which refers to its dimensions of approximately 0.08 inches (2.0 mm) by 0.05 inches (1.25 mm).

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