RWR78S49R9FRB12

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Through Hole Resistors

The RWR78S49R9FRB12 is a type of through-hole resistor. It is manufactured specifically to be mounted into a PCB. Through-hole technology, also known as "tht," is used for the majority of resistors because it improves the reliability and accuracy of the components. The through-hole resistor is a leaded version of a standard resistor, but it is much more reliable and accurate. In addition, it is easier to mount and install, and it allows designers to maintain greater accuracy when connecting multiple components.

The RWR78S49R9FRB12 through-hole resistor is a good choice for a wide range of applications. It offers up to 2W power dissipation rating and is resistant to high temperatures, up to 150°C. The resistor is also designed with low thermal resistance and excellent electrical characteristics, and it is suitable for surface mount assembly. The resistor can be used in automotive, communication, IoT, consumer electronics, medical, industrial electronics, and more.

Working Principle

The working principle of the RWR78S49R9FRB12 through-hole resistor is based on Ohm’s Law, which states that the voltage drop across the resistor is proportional to the current flowing through it. In other words, the resistance of a resistor is determined by the ratio of the voltage across it to the current flowing through it. Therefore, when a current is passed through the resistor, it creates a voltage drop across it that is proportional to the current. This voltage drop can be used to regulate the current flow in a circuit.

The resistor can be used in a variety of configurations, such as a series circuit, a parallel circuit, or both. In a series circuit, the resistors are connected in sequence, which means that the current must pass through each resistor before it reaches the next one. This is the most common configuration, as it allows for a more precise regulation of the current. In a parallel configuration, the resistors are connected in parallel, which means that the current passes through each resistor simultaneously. This type of configuration is useful for circuits that require a specific voltage or current level.

Depending on the design of the circuit, different types of resistors may be used. The RWR78S49R9FRB12 is most commonly used for high-current circuits, as this type of resistor is designed to handle high current without the risk of overheating. It is also suitable for very low voltage applications, such as in automotive and communications applications. The resistor also offers excellent temperature stability and is capable of operating in a wide range of temperatures, from -20°C to +150°C.

The RWR78S49R9FRB12 is a versatile component and is suitable for a wide range of applications. It is a reliable and accurate through-hole resistor that offers excellent thermal and electrical characteristics. Its advantages include the fact that it is easy to mount and install and it can handle high current without the risk of overheating. Its wide temperature range makes it suitable for automotive, communication, IoT, consumer electronics, medical, industrial electronics, and more.

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