H4178KBZA

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Through hole resistors are widely used in electrical engineering as components to control or limit electrical circuits. The H4178KBZA is a type of through hole resistor, using a resistive alloy element or substrate to provide the necessary resistance. It typically approved for use on windings and sensitive electronic applications like on high voltage equipment.

The H4178KBZA through hole resistor is usually built using a glass-ceramic substrate, which is a non-porous sintered material with an extremely low thermal expansion coefficient. This enables the H4178KBZA to maintain its resistance value within a wide temperature range (−65°C to +200°C). The resistor body is coated with ceramic, usually either alumina or forsterite, to insulate it from undesirable electrical contact. Alumina and forsterite are also known for their high dielectric strength.

The H4178KBZA is designed for a wide variety of applications, including power supplies, variable speed device controls, fly-back transformers, lamp ballasts, motor controls, and industrial and telecommunications circuitry. Its large temperature coefficient range, long service life, and ability to dissipate power make the H4178KBZA an ideal choice for applications which require large power or large voltage ratings.

The working principle of the H4178KBZA is that, with a known input voltage, the resistor produces a certain resistance and thus a known current flow throughout the circuit at any given time. Depending on the application, the desired current flow can then be determined and a suitable resistor can be chosen for the application. For example, in a fly-back transformer, the resistors are used to control the amount of current flowing through the transformer, regulating the cycle of the power supply. The resistors in a fly-back transformer are usually set to very low values, to ensure that the current is transmitted efficiently.

In motor control circuits, the resistors can be used to minimize voltage rises and inductive surges. The resistors can also control the current flowing through the motor, by providing a variable resistance that limits the current flow. For example, motor control resistors often have a resistance that can be adjusted from 0.1 to 2 ohms to provide the correct amount of current for the application.

The H4178KBZA is well-suited for industrial process and telecommunications equipment applications, thanks to its small size and high dielectric strength. Its low temperature coefficient and fast voltage reserve time make it an excellent choice for use in high voltage equipment, such as in measuring instruments, inverters, and converters. In addition, due to its durable construction, the H4178KBZA can provide reliable service for many years of continual use.

In conclusion, the H4178KBZA through hole resistor is an effective and reliable electrical component for a variety of applications. It is designed to maintain its resistance value over a wide range of temperatures and provide a stable current flow throughout the circuit. By controlling the voltage and current, the resistors offer users a wide range of flexibility in their application designs.

The specific data is subject to PDF, and the above content is for reference