RSF200JB-73-4R7

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Through hole resistors are commonly used in applications that require a precise resistor value to control current (I) and voltage (V). RSF200JB-73-4R7 is one type of through hole resistor. It has a resistance value of 200 ohms, and a maximum power rating of 0.25 watts.

The most common application of through hole resistors like RSF200JB-73-4R7 is in power supplies, where the resistor limits the current going through the power supply. This prevents the components of the power supply from being damaged by excessive current. For example, in a DC-DC converter, the resistor is used to reduce the current through the external inductor, and the resistor must have a precise value to ensure the correct output voltage. In addition, through hole resistors can be used to control the amount of current in the emitter current of a transistor.

The working principle of a through hole resistor is based on Ohm\'s Law. Ohm’s Law states that the current (I) through a resistor is proportional to the voltage (V) applied across the resistor. The constant of proportionality between the two is the resistance (R). The amount of current through the resistor is determined by the applied voltage and the resistance of the resistor.

In the case of RSF200JB-73-4R7, the resistance is 200 Ohms, which means that if a voltage of 200 volts is applied across the resistor, then a current of 1 amp will flow through the resistor. RSF200JB-73-4R7 can only handle a maximum of 0.25 watts, so the maximum voltage and current that can be applied across it must be below these values. Therefore, it is important to ensure that a suitable power supply is used when using this resistor.

RSF200JB-73-4R7 is capable of withstanding up to 250 Volts of reverse voltage and 1 amp of maximum current. It is also RoHS compliant and has a low tolerance of 2%. The lead spacing is 7.3mm and has a terminal plated with nickel.

Through hole resistors are also used in signal conditioning circuits. In these types of circuits, the resistor is usually used as a voltage divider to reduce the amount of voltage passing through the circuit. This is done to reduce “ripple” in the output signal, meaning that any changes in the input voltage will be translated into smaller changes in the output voltage.

In conclusion, through hole resistors such as RSF200JB-73-4R7 are used in a wide variety of applications. They are used to limit current, reduce voltage, and condition signals. They have a maximum voltage rating of 250 Volts and a maximum power rating of 0.25 watts. Finally, they have a low tolerance of 2% and a lead spacing of 7.3mm.

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