HS50 4R F

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A chassis-mounted resistor is a device that houses a resistor within a mounting structure, usually a metal housing or frame. The resistor is connected to a conductor or ground within the housing, and the housing itself is known as a chassis. Chassis-mounted resistors are used in many applications where the resistance values must be maintained even when the resistor is subjected to high temperatures, harsh environments, or variable currents. A common use of these resistors is in automotive, medical, audio, industrial, electric, and aerospace applications.

HS50 4R F is a chassis-mounted, temperature-stabilized, NTC-type resistor that is commonly used in the automotive and aerospace industries. It is a non-inductive, low-profile, high-temperature, low-current, non-linear, and resistance-temperature dependant resistor designed to provide high stability over a wide temperature range of -55 degrees C to +150 degrees C. The resistor is mounted on a tightly-packed, thermally conductive substrate which is then held in place with silicone compound. The substrate and silicone compound comprise the heat dissipation system which provides a heat transfer coefficient of 0.25 W/mK. It also has a superior ESD (Electro-Static Discharge) rating of over 200 V.

The primary application of the HS50 4R F is in automotive and aeronautical systems. It can be used for power regulation, current sensing, or power limiting in circuit designs. The resistor is used in a variety of applications such as engine management systems, airbag triggers, motor controllers, and fuel injection systems. Its high temperature performance and low voltage drop make it an excellent choice for these applications. Its excellent temperature stability and low power dissipation allow it to be used in high-voltage enclosures or in areas with extreme temperature ranges.

The primary working principle of the HS50 4R F is thermal management. The resistor is thermally stabilized, meaning it only dissipates heat in order to maintain the desired resistance. When the current passing through the resistor is too high, it will increase temperature which will cause a resistance change. The heat dissipation system maintains the resistor at a constant temperature, allowing the desired resistance value to be maintained. The resistor also has a built-in thermistor which provides temperature monitoring.

The HS50 4R F is an efficient and reliable chassis-mounted resistor with excellent thermal properties. It is designed for use in extreme environments and is suitable for use in automotive and aerospace applications. Its low-profile design and superior thermal management system allow it to handle high currents and variable temperatures with ease. With its superior ESD rating, it is ideal for sensitive applications. Its temperature-stabilized design and thermistor make it a reliable choice for power regulation, current sensing, or power limiting applications.

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