PWR4412-2SDR0100J

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Through hole resistors, such as PWR4412-2SDR0100J, are passive devices that use the resistance of a material to oppose electrical current. This form of resistor has multiple applications, and its use to protect circuits from electromagnetic interference (EMI) is especially noteworthy.

Resistors are used in a wide variety of electrical and electronic circuits, and therefore, their application field is equally varied. In low voltage low power applications, PWR4412-2SDR0100J can be used for attenuation and voltage division, filtering, as well as for precision current and voltage regulation.

In high voltage and high power applications, PWR4412-2SDR0100J is used for motor speed control, power semiconductor protection, ground transistor protection, and signal attenuation. Furthermore, with its ability to “clip” very short voltage surges, PWR4412-2SDR0100J can also be used in over-voltage protection. Finally, the resistor is also widely used for the elimination of EMI, as it is able to absorb and suppress high frequency signals, generated by electrostatic fields, radiation, and more.

In terms of working principle, a resistor is in essence a material with a given resistance to the passage of current. Most resistors are made from carbon-containing compounds, which either increase or decrease the flow of electrons (charge carriers) through the material when external voltage is applied. The resistance of a resistor is therefore defined as the voltage drop across it, divided by the current that runs through it.

PWR4412-2SDR0100J is a specific resistor which exhibits resistance values of 1 ohm. It is also designed for high power consumption and specifically for automotive needs. It has two pins, two leads, and can withstand a maximum voltage of 200 volts.

When electrical current runs through the resistor, the electron passing through its component atoms and molecules generates a voltage drop across the resistor. This voltage drop dissipates energy as heat due to the friction of the charge carriers. In this way, PWR4412-2SDR0100J is able to absorb high frequency signals that may cause EMI and protect the circuit from damage.

To summarize, PWR4412-2SDR0100J is a through-hole resistor, most suited for automotive applications such as motor speed control, surge protection, and EMI suppression. It has two pins and a resistance value of 1 ohm. Its working principle is the opposition of the flow of electrical current with the applied voltage drop , while dissipating energy as heat.

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