H8220RFZA

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Through hole resistors are one of the most common types of resistors used in electrical and electronic circuits. The H8220RFZA (albion® RFZ) is a through hole resistor used in circuit applications which require high power, low thermal resistance, and high reliability. This resistor is designed to resist high power levels with minimal heat buildup and to maintain a stable resistance over extended periods of time.

The H8220RFZA is a high power through hole resistor designed for use in power supply, power transmission, industrial, and instrumentation applications. This resistor is constructed using an alloy of aluminum and nickel-zirconium as its base material. This combination of metals provides excellent durability and stability as well as low thermal resistance. The resistance value of the H8220RFZA is determined by the alloy composition of the resistor and the resistance is rated in ohms. The H8220RFZA is rated for a maximum operating temperature of up to +180°C and a maximum power dissipation of 10 watts.

The H8220RFZA is assembled into a two-piece ceramic package with the alloy material inserted into the top half and the bottom half is used as a heat sink. The design of the heat sink allows heat to be dissipated to the surrounding environment. The bottom portion of the package is designed with pins for easy surface mount assembly into printed circuit boards (PCB). The pins also provide electrical connection and are plated with gold for improved corrosion resistance.

The working principle of the H8220RFZA involves the conversion of electrical current into heat. As electrical current passes through the resistor, its atoms vibrate and collide, creating heat. The voltage difference across the resistor causes the atoms to vibrate at higher rates, resulting in increased heat and higher resistance. The heat generated is absorbed by the heat sink to dissipate away from the resistor. This allows the resistor to operate at a stable resistance and ensures that a consistent current is maintained.

The H8220RFZA is an ideal choice for circuit applications that require high power at low thermal resistance and stable resistance. Its versatile design makes it suitable for many applications including power supplies, power transmission, industrial, and instrumentation. As a through hole resistor, it is also suitable for easy surface mount assembly into printed circuit boards, making it a popular choice for many designs. With its strong alloy construction, low thermal resistance, and excellent heat dissipation capabilities, the H8220RFZA is an ideal choice for many electrical and electronic circuits.

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