PSM7WSJB-120R

Through Hole Resistors are amongst the most common components used in many electronic circuits today. The PSM7WSJB-120R Through Hole Resistor is a prime example of this type of resistor. It is a medium power resistor, designed for a variety of applications which require a wide range of resistance values, as well as a low thermal coefficient and a wide temperature range.

The PSM7WSJB-120R has a power dissipation rating of 0.25 watts at 25°C and can be operated up to a maximum temperature of 150°C with a pulse. It is available in a wide range of resistance values from 10 ohms to 1 Megaohm. The device provides excellent temperature stability with a low thermal coefficient of 250 ppm/°C.

The PSM7WSJB-120R is designed primarily for surface mount applications, but can also be used in through hole applications which require a low-profile design. The device is packaged in a ceramic body with a nickel-plated steel cap and is nickel etched for a good solder joint. It is available in a variety of shapes and sizes for different mounting options.

The working principle of the PSM7WSJB-120R is based on the use of resistive material in series which creates a voltage drop across the resistor when current is passed through it. The amount of voltage drop is proportional to the amount of resistance in the device. The resistor is constructed from a high purity metal film which has been metallized on both surfaces for effective heat dissipation. The resistive material is typically carbon or metal oxide.

The PSM7WSJB-120R Through Hole Resistor has a variety of applications, including power supplies, AC and DC motors, and in audio equipment. It is also used for voltage and current sensing applications, as well as for noise reduction and precision filtering purposes. The device is also an ideal choice for power supply designs where a low-profile design is required. Its low thermal coefficient and wide temperature range make it suitable for a variety of applications in different environments.

In conclusion, the PSM7WSJB-120R Through Hole Resistor is an excellent choice for a variety of surface mount and through hole applications. It is a medium power resistor, with a power dissipation rating of 0.25 watts at 25°C and a maximum temperature rating of 150°C with a pulse. The device is packaged in a ceramic body with a nickel-plated steel cap and has excellent temperature stability and a low thermal coefficient of 250 ppm/°C. It is suitable for applications such as power supplies, AC and DC motors, audio equipment, voltage and current sensing, and precision filtering purposes.