H4P120RFZA

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Through Hole Resistors are one of the most commonly used components in electrical circuits because of their accuracy and reliability. The H4P120RFZA is a Through Hole Resistor, specifically a wedge-type, non-inductive, pulse-withstanding, high-power resistor. It is designed to operate between -55°C to +155°C with excellent stability and repeatability, providing stability in harsh conditions such as extreme temperatures and shock/vibration.

Application Field: The H4P120RFZA is ideal for applications where power dissipation needs to be controlled and where high currents or surges are present. It is typically used in high power and signal processing in the automotive and aerospace industry, as well as in medical, industrial, and commercial systems. Due to its high-power and non-inductive properties, this type of resistor is also used in industrial AC/DC power supplies, precision instrumentation, and test and measurement systems.

Working Principle: The H4P120RFZA operates on the principle of ohmic resistance. In an ohmic resistor, electricity passes through the resistor in proportion to the applied voltage. That is, if the voltage is doubled, the current passing through the resistor is also doubled. Ohmic resistors have a very predictable resistance, and are not affected by temperature, making them ideal for high-precision applications.

The H4P120RFZA is a wirewound resistor, meaning the resistor is constructed from a length of wire wound around a metal tube or core. This design provides much greater power dissipation than other types of resistors, and also eliminates components by providing non-inductive performance. The resistor is constructed with a high-temperature epoxy compound which gives it insulating properties, and prevents external forces from affecting its performance.

The H4P120RFZA is a highly reliable resistor, due to the quality of its components and close tolerances. Its high-power and non-inductive characteristics make it a reliable choice for many applications. In addition, the wide temperature range and excellent stability make it suitable for use in a variety of environmental and operational conditions.

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