SQM300JB-0R3

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Through Hole Resistors have been used in the electronics field for many years and continue to play an integral role in many applications. The SQM300JB-0R3 is an example of one of these resistors that is designed for use in various applications. This article will discuss the application field and working principle of the SQM300JB-0R3 through hole resistor.

The SQM300JB-0R3 is a 3 watt through hole resistor. It is used in various applications such as power supply, LED dimming, and pulse generators. The resistor has a maximum working voltage of 300 volts and a nominal power rating of 3 watts. The resistor is also UL 706 recognized and has an approved temperature rise rating of 30 K.

The SQM300JB-0R3 works on the principle of Joule heating. Joule heating is a form of electrical resistance heating which occurs when a current passes through a resistance. In the case of the SQM300JB-0R3, the heat produced will be proportional to the current flowing through the resistor. The amount of heat produced can be estimated by the formula P=I2R, where P (power) is equal to current squared (I2) times resistance (R).

The SQM300JB-0R3 can be used in many applications. It is often used in power supplies, LED dimming, and pulse generators. It is also suitable for applications requiring high surge dissipation, such as surge protection, fuses, motor drives, solar energy systems, inverters, photocopier machines, and other power sources needing heavy-duty protection.

The SQM300JB-0R3 is manufactured with excellent resistance to moisture, temperature, and humidity, making it very reliable even when used in harsh environments. The resistor is also designed to have a low temperature coefficient, meaning that the resistance value will remain relatively constant over a wide temperature range.

The SQM300JB-0R3 through hole resistor is an ideal choice for many applications. Its high power rating, low temperature coefficient, and excellent resistance to moisture, temperature, and humidity makes it a reliable choice for many applications. The wide temperature range in which it can operate also ensures that the resistor remains reliable even in harsh environments.

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