SFR2500003903JA500 Resistors

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Through Hole Resistors are an important element used in many consumer and industrial applications. The SFR2500003903JA500 is one of these types of resistors and is designed for use in high voltage applications. The construction of this resistor is a combination of a protecive overcoat, thick film resistor, and a 4 layer cured epoxy dielectric. The resistor offers excellent performance in terms of power rating, stability, temperature and electric strength.

The SFR2500003903JA500 can handle high voltage operations up to 600V and it has a power rating of 7W. The high power rating makes it suitable for use in switching and power supply operations. It offers high thermal resistance and excellent linearity for consistent performance over its lifetime. The resistance range for this resistor is 0.5Ω to 500KΩ.

The working principle of a through hole resistor is relatively simple. An electric current runs through the resistor. The resistor’s resistance to this current causes a voltage drop across it. This voltage drop is proportional to the amount of current running through the resistor. Ultimately, this voltage drop is what determines the amount of power dissipated by the resistor. It is dependent on the number of turns, the length of the resistor, and the material used to construct the resistor.

The SFR2500003903JA500 is suitable for a range of applications such as overvoltage protection, household appliances, and power circuits in electronic devices. In addition, it is commonly used in motors, power switches, and UPS systems. It is also suitable for rectifiers, load switches, converters, and other high voltage requirements.

The SFR2500003903JA500 is constructed very securely and is able to handle large amounts of power. The overcoat and epoxy dielectric offer outstanding protection against environmental and mechanical stress. This means that this resistor is suitable for various challenging applications and will remain stable for a long time.

In conclusion, the SFR2500003903JA500 is a high performance through hole resistor designed for use in a variety of applications. It offers excellent power rating, stability, and temperature resistance. This makes it suitable for a wide range of applications such as overvoltage protection, household appliances, power circuits, and motors. The working principle of through hole resistors is fairly straightforward and relies on a voltage drop across the resistor determined by the number of turns and the material used in its construction.

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