PWR221T-30-33R0F

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Through Hole Resistors

Through hole resistors are important components in electronic circuitry. The presence of this technology allows for the convenient manipulation of electrical current. This article will discuss the PWR221T-30-33R0F resistor application field and working principle.

Application Field:

As a resistor of the through hole variety, the PWR221T-30-33R0F is useful in multiple electronic applications. In essence, its purpose is to regulate the flow of electrical current between two points in a circuit. An example of its utility is to be used as a voltage divider. A common use of this variety of resistor is in the DC circuits of automotive and other vehicles. It is also useful in the design of television circuits, motorcycles, power supplies, home appliances, and various other machines and devices.

Working Principle:

The working principle of a through hole resistor such as the PWR221T-30-33R0F is two-fold. On one side, it reduces the power of the current by dissipating some of its energy as heat. On the other, it works to reduce the amount of current in a circuit. This is done by intentionally limiting or restricting the amount of current that is allowed through the resistor. By adjusting the amount of resistance in the circuit, the amount of current can be more precisely controlled.

The PWR221T-30-33R0F resistor has a power rating of 300mW, a resistance of 33 Ohms, and a tolerance of 5%. The body of the resistor is composed of a tin plated copper alloy and its temperature coefficient is a very low -300ppm/°C. It is also UL 94V-0 approved and is available in tape and ammo packaging. Overall, this through hole resistor is an important component in today’s electronic devices.

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