LR2F4K3

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Through-hole resistors are a type of resistor that features two metal leads that are soldered to a printed circuit board and, as the name suggests, through-hole resistors are capable of passing through other components of the circuit, such as transistors, capacitors and integrated circuits. The aim of these resistors is to provide impedance and electrical stability within electrical and electronic circuits.

The LR2F4K3 is part of the LR2 family of through-hole resistors available from Panasonic. This particular resistor offers 4 kilohm of resistance, a compact package and a 5 watt rating of power dissipation. It also boasts a high surge withstand voltage of 250V which is ideal for applications such as motor control, audio filters and power supplies.

The operating principle of the LR2F4K3 is relatively simple. The resistor is composed of a carbon or metal oxide material that is resistive to electric current. This resistive material is then sandwiched between two metal terminals, with the two terminals being connected to the circuit board. The voltage being applied to the resistor is then divided over the resistor material according to its resistance, which then results in a specific current flow determined by Ohm\'s law.

Recognised for its reliability, the LR2F4K3 is suitable for a wide variety of applications, including power supplies, automotive, LED drivers, motor controls, audio processing, and various other applications. It is also capable of working in temperatures ranging from -55�C to 125�C. This makes the LR2F4K3 an ideal choice for various high-temperature applications such as power switches and high wattage lighting.

In addition to providing high surge withstand voltage, the LR2F4K3’s compact package offers excellent packing density and saves space in the circuit board. It has also been certified to meet iFQC standards for product quality, ensuring a safe and reliable product.

Overall, the LR2F4K3 through-hole resistor is a high-performance and reliable component that is suitable for a variety of applications, including power supplies, automotive, LED drivers, motor controls, audio processing, and various other applications. It offers 4 kilohm of resistance, a 5 watt of power dissipation rating, a high surge withstand voltage of 250V, and is capable of working in temperatures ranging from -55�C to 125�C. It also provides excellent packing density and is certified to meet iFQC standards for product quality.

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