SQM200JB-15R

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Through Hole Resistors, also known as axial resistors, feature two wire leads extending from either end of a cylindrical body. While there are various types of resistors, this particular type—SQM200JB-15R—is a type of metal oxide film resistor. It is characterized by high power ratings and long service life, making them popular in many applications. In this article, we’ll discuss the application field and working principle of the SQM200JB-15R through hole resistor.

As its name implies, the SQM200JB-15R is a through hole resistor used in many applications. The most common applications are in high voltage, high current, microwave, and RF applications. It can also be used in switching power supplies, amplifiers, and other high temperature applications due to its extended range of operating temperature from -55ºC to 125ºC. Furthermore, as the resistor offers resistance over a wide temperature range, it proves to be quite useful in high temperature and high-voltage applications.

As far as the working principle is concerned, the SQM200JB-15R is primarily a metal oxide film resistor. Metal oxide film resistors are formed when a film of a resistive material is vaporized onto an insulating substrate and then fired with an electrical current. This forms an oxide layer on the resistor which changes its electrical properties. The resistor then passes current through the oxide layer, producing a voltage drop proportional to the resistance value.

The resistor also features a ceramic core for improved performance. It helps equalize and dissipate heat allowing for better tolerance and long-term performance. Furthermore, the design also features two external leads for improved electrical connectivity. This helps the resistor deliver both stable, accurate resistive values and stable voltage.

In addition to its various applications and construction, the SQM200JB-15R also features a number of benefits. It offers a high power rating of 1W, a non-inductive design, and very low temperature coefficients thus minimizing the effects of temperature changes on the resistor. Moreover, it has a high temperature coefficient of 3300 ppm/°C, allowing it to remain accurate during extreme temperature variations.

To summarize, the SQM200JB-15R through hole resistor is an excellent choice for many applications due to its high power ratings, robust ceramic construction, and non-inductive design. Its extended operating temperature range and low temperature coefficients make it ideal for high-temperature, high-voltage, microwave, and RF applications. Finally, its long-term performance and stability make it an invaluable tool for many designers.

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