H4487RBDA

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Through Hole Resistors, the most commonly used component in circuit boards, is composed of a wire or strip that has a resistance that is connected to the circuit board by a hole through its centre.The H4487RBDA is one of the most popular types of through hole resistors, as it is widely used in many different application fields, from industrial electrical systems to embedded circuit boards. Its popularity is due to its robust construction and reliable performance.

The H4487RBDA is a 3 watt, surface-mountable, non-inductive resistor that has a power rating of up to 250 volts. It is constructed using a small amount of metal film on a ceramic substrate, which is then coated with a protective epoxy coating. This construction ensures that it can withstand high temperatures and vibrations, making it suitable for use in a wide range of environments. The resistor also has a low thermal resistance, which helps to reduce electrical losses.

The H4487RBDA is particularly popular in applications in the automotive industry, as it can withstand high temperatures and vibration while still delivering reliable performance. It is also used in industrial applications such as PLC systems as its robust construction ensures it can withstand the harsh conditions of factory environments. In addition, the H4487RBDA is also used in many embedded circuit boards, as its low thermal resistance helps to minimize electrical losses.

The working principle of the H4487RBDA is based on the principle of voltage divider. The resistor is placed in series with a blocking diode and a voltage source. The diode acts as a switch, allowing the voltage source to reach the resistor when the diode is open. When the diode is closed, the resistor absorbs the voltage and the current decreases. In doing so, the resistance of the resistor is increased, which leads to a decrease in the current.

The H4487RBDA is an excellent choice for a wide range of applications, due to its robust construction and reliable performance. It is suitable for use in a range of environments, from automotive to industrial and embedded systems. Its working principle, based on the voltage divider, makes it an ideal choice for applications where accurate voltage regulation is required.

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