MFR-25FRF52-1K21

Series:	MFR
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	1.21 kOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.094" Dia x 0.248" L (2.40mm x 6.30mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole ResistorsThrough-hole resistors, such as the MFR-25FRF52-1K21, are electronic components that are used to provide resistance to an electrical circuit. They are installed by being soldered into a printed circuit board (PCB). These types of resistors have pins that are inserted into the board holes, where a thin metal pad is used to make contact with the circuits copper traces.Through-hole resistors are available in a variety of resistance values and package sizes, making them suitable for many applications in the electronics field. The most commonly used sizes are the quarter watt, half watt and full watt. Quarter watt resistors are generally used for low-voltage circuits, while half watt and full watt resistors are used for higher-voltage circuits. The MFR-25FRF52-1K21 is a type of through-hole resistor made by Panasonic. It has a maximum rated power of 1/4W, and a resistance value of 1K ohms. The resistor has a 0.40” body size, and is made up of a metal film resistor material. The resistor also features an axial lead construction, which allows it to be mounted onto most PCBs easily and securely.The primary application of the MFR-25FRF52-1K21 is in AC/DC converter circuits, such as switching power supplies. It can be used as a current limiting resistor, as well as a blocking diode in electrolytic capacitor circuits. This type of resistor is also useful in low-power signal conditioning applications, such as audio and video equipment.The working principle of the MFR-25FRF52-1K21 is based on the property of electrical resistance. In an electrical circuit, resistance is determined by the structure of the material used to create the component. The MFR-25FRF52-1K21 has a metal film resistor material, which gives it an ohmic resistance of 1K ohms, allowing it to impede the flow of current in the circuit.

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