AHA50AJB-18R

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Chassis Mount Resistors are designed to mount on printed circuit boards, or directly to the chassis or ground plane of the electronics project. In such applications, the electrical connection to the circuit is made with a soldering iron or a dedicated soldering machine. One of the most popular Chassis Mount Resistors used for automotive and industrial applications is the AHA50AJB-18R.

Introduction of AHA50AJB-18R

The AHA50AJB-18R is a durable, metal-encased non-inductive power resistor designed to reduce EMI both in vehicular and industrial applications. It is a four-terminal, three-element resistor that helps reduce voltage fluctuations and improve system efficiency. The resistor element material is Nickel Chrome. It is available in a variety of sizes and wattages, and it offers superior resistance to vibration, shock, and ambient temperature.

Design Features of AHA50AJB-18R

The AHA50AJB-18R has low ESL, and has a wide temperature range of – 55° C to 180° C. The operating frequency range of the device is from DC to 10MHz. With its four-terminal design, it can be used with either two-terminal or four-terminal circuits. The mechanical design features of the device include a two-part epoxy-filled housing, anti-vibration washers, a foot-like base plate, and pre-applied mounting screws. It also features a built-in thermistor for complete self-protection.

Application Fields of AHA50AJB-18R

The AHA50AJB-18R is used in a variety of automotive applications. It is ideal for use in power supply, power conversion, and other vehicle applications. It is also ideal for use in industrial and military products for controlling EMI and reducing voltage spikes or drops.

Working Principle of AHA50AJB-18R

The AHA50AJB-18R works by providing a low-resistance path to ground. Its four-terminal design allows it to be connected to both two-terminal and four-terminal circuits. The resistor element is made of Nickel Chrome, and it is designed to provide accurate and stable resistance in a wide temperature range.

The thermistor built into the device also helps protect the circuit from overcurrent, overvoltage, and other conditions that can cause damage. When these conditions are sensed by the thermistor, the device acts as an insulator, breaking the circuit and preventing further damage.

Conclusion

The AHA50AJB-18R is an ideal choice for automotive and industrial applications that require reduced EMI. It is designed for superior shock and vibration protection, and its temperature range of – 55° C to 180° C ensures reliable operation even in extreme conditions. Its four-terminal design allows for use in both two-terminal and four-terminal circuits, and its built-in thermistor provides self-protection from overvoltage, overcurrent, and other conditions. As such, the AHA50AJB-18R is a great choice for automotive and industrial applications that require reliable and accurate operation.

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