5MFP 3-R

Bel Fuse Inc. 5MFP 3-R

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  • 5MFP 3-R
  • Bel Fuse Inc.
  • FUSE GLASS 3A 250VAC 5X20MM
  • Fuses
  • 5MFP 3-R Datasheet
  • 5mm x 20mm (Axial)
  • 5mm x 20mm (Axial)
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 1820
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is 5MFP 3-R

Bel Fuse Inc. Part Number 5MFP 3-R（Fuses）, developed and manufactured by Bel Fuse Inc., distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

5MFP 3-R is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

5MFP 3-R Specifications

  • Part Number5MFP 3-R
  • CategoryFuses
  • ManufacturerBel Fuse Inc.
  • DescriptionFUSE GLASS 3A 250VAC 5X20MM
  • Package5mm x 20mm (Axial)
  • Series5MFP
  • Operating Temperature-55°C ~ 125°C
  • Mounting TypeThrough Hole
  • Package / Case5mm x 20mm (Axial)
  • Size / Dimension0.217" Dia x 0.827" L (5.50mm x 21.00mm)
  • Current Rating3A
  • Fuse TypeCartridge, Glass
  • Voltage Rating - AC250V
  • Breaking Capacity @ Rated Voltage200A
  • Response TimeFast
  • ApprovalsCE, CSA, cULus, PSE
  • Melting I²t13

Application of 5MFP 3-R

The safety role brought by the fuse makes it an extremely wide range of applications, covering almost all scenarios that require electrical protection. In power systems, from large power stations to distributed grids, fuses are integral to safety, being installed on critical equipment or lines to ensure that faulty circuits can be quickly cut off in the event of an emergency and prevent an accident from spreading. In the field of electronic equipment, with the rapid development of science and technology, various precision circuit boards and components have higher and higher requirements for the stability of current, and fuses provide reliable overcurrent protection for these devices. In addition, fuses are also widely used in many fields such as automobiles, home appliances, industrial control, aerospace and so on.

5MFP 3-R Datasheet

5MFP 3-R Datasheet , 5mm x 20mm (Axial),5MFP,-55°C ~ 125°C,Through Hole,5mm x 20mm (Axial),0.217" Dia x 0.827" L (5.50mm x 21.00mm),3A,Cartridge, Glass,250V,200A,Fast,CE, CSA, cULus, PSE,13

5MFP 3-R Classification

Fuses

Fuses is a simple and effective current protection element, when the current in the circuit is abnormally elevated, exceeding the preset safety value, the fuse can be quickly and automatically blown, thus cutting off the circuit. Its definition profoundly reflects its core role in circuit safety. In short, a fuse is a device designed to automatically blow when the current is abnormally elevated to a dangerous level, so as to cut off the circuit and prevent the current overload from causing damage to electrical equipment or systems, thereby ensuring the safety of people and property.

FAQ about Fuses

  • 1. What is this fuse?

    A fuse is a component used for circuit protection, also known as a fuse or fuse. Its main function is to automatically melt and cut off the current when the current abnormally rises to a certain height and temperature, thereby protecting the safe operation of the circuit.
    Definition and function of fuse
    Fuse is defined as a fuse according to IEC127 standard, and its main functions include:
    Overload protection: prevent the current from exceeding the rated current of the equipment or circuit, avoiding equipment damage or fire.
    Short circuit protection: when a short circuit occurs in the circuit, quickly cut off the circuit to prevent the short circuit current from spreading further.
    Personnel safety: ensure the normal operation of the equipment and avoid the risk of electric shock caused by short circuit of electrical contacts or current overload.
    Equipment protection: reduce the cost of repair and replacement of electrical equipment and protect the entire electrical equipment system.

  • 2. Is the fuse AC or DC?

    Alternating current
    Fuses can be used for both AC and DC. The design and application of fuses depend on their specific type and purpose.
    Application of fuses in AC and DC
    AC fuses: suitable for AC circuits, using the current zero-crossing characteristics to extinguish arcs, commonly found in household appliances and industrial equipment. The frequency of AC (such as 60Hz or 50Hz) makes it easier to extinguish arcs, so the size of AC fuses is relatively small.
    DC fuse: Designed for DC circuits. Since DC has no zero point, it is more difficult to break the arc. Usually, special structures (such as filling with quartz sand) are required to force the arc to extinguish. DC fuses are usually larger in size to reduce arcing.

  • 3. What is the main function of a fuse?

    Overload protection
    The main function of a fuse is overload protection. After the fuse is properly placed in the circuit, when the current abnormally rises to a certain height and temperature, the fuse will melt itself to cut off the current, thereby protecting the safe operation of the circuit. The working principle of the fuse is based on the fact that heat is generated when current flows through a conductor. When the heat generated exceeds the speed at which the conductor dissipates heat, the fuse will melt.

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Jinftry, Your most trustworthy component supplier, welcome to send us the inquiry, thank you!

Do you have any questions about 5MFP 3-R ?
Feel free to contact us:

+86-755-28503874
+8615019224070, annies65, +8615118125813
568248857, 827259012, 316249462
+8615019224070, +8615118118839, +8615118125813
( Email first will be appreciative )

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Bel Fuse Inc.
Bel Fuse Inc.
Bel Corporation was founded in 1949 and is headquartered in Jersey City, New Jersey, USA. It has successfully been listed on NASDAQ. It is one of the top ten global suppliers of power conversion...
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