VM2JBR150

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Through Hole Resistors are the type of resistors in which the leads are inserted into a hole, typically on a PCB (printed circuit board). The standard size for these types of resistors is the size of 1/4 inch (6.4 mm) diameter leads. They are available in a variety of resistance values from 0 Ohm up to several kilo Ohms, and are the most common type of resistor used in electronics today. The VM2JBR150 is a through-hole resistor model from Vishay, boasting an outstanding performance in high-temperature and ripple current applications in power supply designs. This article will cover the application field and working principle of the VM2JBR150, and offer insights into why this resistor model is ideal for high temperature and ripple current applications.

The VM2JBR150 is a axial leaded resistor with a power rating of 150W, suitable for operation in the wide temperature range of -55°C and +155°C, and a voltage rating of 1500 volts. The high-temperature rating makes this resistor ideal for use in the automotive industry, where the operating temperature can reach extreme levels. The same is true for the high-voltage rating, which allows the VM2JBR150 to withstand high levels of input and output voltage, making it ideal for high-voltage systems. Furthermore, this resistor has a very small footprint, allowing it to take up minimal space on the PCB board, resulting in a more compact design.

The VM2JBR150 also offers excellent performance in high ripple current applications due to its tight thermal tracking. This technology allows the resistor to adjust the thermal tracking in order to match the applied current, ensuring that the resistor remains cool during high ripple currents. This feature makes the VM2JBR150 suitable for use in switch-mode power supplies, which involves considerable levels of ripple current, as well as for automotive, computer, avionics, and telecommunications applications. The patented Kel F base provides superior thermal conductivity and offers further protection against component damage due to high temperature and currents.

In essence, the VM2JBR150 is an ideal through-hole resistor model, which offers an ideal combination of resistance value, power rating, and high-temperature and ripple current performance. The component\'s combination of small footprint, Ruggedness, and reliability, make the VM2JBR150 a perfect choice for a vast array of applications.

The working principle of the VM2JBR150 consists of four core elements: the metal film resistor, the resistor substrate, the moisture barrier, and the Kel F base. The metal film resistor is made from a thin layer of resistive material, which is deposited onto a ceramic substrate in order to create an electrical resistance. This resistor is then embedded in a molded epoxy substrate in order to provide mechanical protection and additional thermal management. The moisture barrier is an insulation layer which helps protect the resistor substrate from moisture and excessive heat. Lastly, the Kel F base provides additional heat transfer by transferring heat from the resistor substrate to the PCB board.

In conclusion, the VM2JBR150 from Vishay is a highly efficient through-hole resistor model suitable for a multitude of high-voltage, high-temperature, and high ripple current applications. The component\'s combination of small footprint, ruggedness, and reliability, make the VM2JBR150 a perfect choice for a wide array of applications. Furthermore, the component\'s unique combination of metal film resistors, resistor substrate, moisture barrier, and Kel F base, provides excellent protection from thermal and electrical stresses, while ensuring accurate resistance values. This makes the VM2JBR150 a perfect choice for all types of high-temperature and high-current applications.

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