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Through Hole Resistors

Through-hole resistors, which are sometimes referred to as THP resistors, are a type of resistor that is mounted into a printed circuit board (PCB) via pins that are inserted through the PCB holes. They are considered to be one of the oldest types of resistor and are commonly used in many electronic devices today.

PF2205-0R47F1is a through-hole resistor with a resistor network of a 220K ohm and a 0.47 ohm resistor value. It is a fixed-value resistor, which means that its value cannot be adjusted or in other words it’s “fixed.” Its application fields range from general power supplies, voltage regulators, crosspoint array memory modules, and capacitive/inductive type power supplies and anything requiring small signals. The PF2205-0R47F1 can also be found in computer and consumer electronics as well as other industrial and automotive applications.

The working principle of through-hole resistors is relatively simple. In general, an electrical current is applied to the device, and depending on the resistance within the resistor material the current is either limited or completely blocked (as in the case of shorting a wire). To put it simply, the current passing through the resistor is what causes its resistance.

The current intensity and resistance of the circuit are inversely proportional: as the current passes through the resistor, it heats up, and as the resistance in the resistor increases, the current starts to decrease. This is something that is taken into account when designing the device, and often times the resistor will be equipped with a heat sink that allows the resistor to dissipate the heat while still performing its duties.

The PF2205-0R47F1 is made of a high-temperature ceramic material, which allows it to handle high-current flows, as well as environments that require very low noise. The resistor has a low input impedance, which means that it produces less noise, as well as a high thermal dissipation that helps to reduce its temperature. The resistor is also capable of handling high-voltage applications and can operate up to a maximum temperature of 140°C.

Overall, through-hole resistors such as the PF2205-0R47F1 are a widely used component for controlling the current and voltage in electronic circuits. They are the simplest form of resistor and are durable and reliable, making them invaluable in many applications.

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