H81K4BZA

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The H81K4BZA is a through-hole resistor, which is a type of resistor composed of a straight, cylindrical body with metal electrodes at each end. These electrodes are adapted to have contacts with the printed circuit board (PCB) when they are soldered to the PCB. This type of resistor has become highly popular due to its low cost, long life, and its ability to dissipate a large amount of power, allowing the use of the resistor in high temperature applications. The main purpose of these resistors is to provide a controlled current flow, while dissipating unwanted heat.

The resistor’s size and shape can vary depen ding on the application it is intended for. Generally speaking, the H81K4BZA is commonly used on PCBs for space travel and other applications such as aircraft, industrial and telecom applications. It is typically 5mm in diameter, 6.5mm in length, and has a rated power of 2 watts. In terms of accuracy, the H81K4BZA is rated to 5% resistance tolerance, and is also available in a wide range of resistance values from 10 ohms to 1M ohms.

Typically, a through-hole resistor is used in conjunction with a soldering iron or other electrical tool that provides sufficient heat for the contact points to be connected. Once the soldering has been completed and the resistor is firmly connected to the PCB, the resistor will begin to dissipate power and limit current flow based on the actual resistance value of the resistor. The heat will be dissipated through the heat sink on the printing board.

Aside from its ability to dissipate consistent heat and limit current, the H81K4BZA also provides stable performance over a range of temperatures and current. It also has the ability to handle peak power dissipation, possess a wide range of resistance values, and can have lead wires that are soldered easily to the PCB. These resistors are also lead-free and RoHS-compliant, enabling their use in environmentally-conscious applications.

The H81K4BZA is ideal for applications with high current, high temperature, and short duration. Such applications include avionics, industrial control, aerospace, and automotive applications. The resistor is also used to sample data signals, protect circuits from accidental overloads, limit inrush current, and regulate voltage in power supplies. With its special design, the resistor provides superior temperature stability, making it well-suited for high frequency applications where temperature stability is a key factor.

In summary, the H81K4BZA is a through-hole resistor that is suitable for a wide range of applications and features a wide range of resistance values. These resistors are ideal for use in high-temperature, high-current environments, or for applications requiring stable performance. The resistor also has RoHS-compliance, enabling use in environmentally-conscious applications, and is one of the most popular choice of resistor for PCBs due to its low-cost, long-life, and its ability to dissipate a large amount of power.

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