H4178RBCA

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 various industrial applications, one of them being the H4178RBCA. This compliant surface mount resistor is a general-purpose part specifically designed for cost-effective, reliable assembly into printed circuit boards. The H4178RBCA’s main features include its low inductance, low profile, low-frequency noise performance, high accuracy and high thermal shock resistance.

From the power line to the ground, the H4178RBCA is used as an isolation resistor in control systems, lighting systems, and automotive electronics. It is also used in power supply filters, audio circuits, RF circuits, TV circuits, computer circuits, circuit protection, and various other applications. Additionally, the part also acts as a thermal cycling high-temperature control and dynamic load balancing and static current control.

The H4178RBCA has several applications for which it is particularly suited. Because of its low-inductance design, the part is used in automotive electronics as a snubber resistor for momentary protection from inrush or kickback current. In power supply filters, the H4178RBCA is used to prevent a voltage jump or an inrush to the load when the filter is connected. Additionally, the resistor is used in audio circuits as a peak-to-peak current limiter to prevent over current damages and in RF circuits as a low-noise interstage attenuator.

The working principle of the H4178RBCA is based on basic principles of electrical engineering. The device consists of an array of resistive elements with the exact proportions and shapes necessary to obtain the desired resistance. The resistance value of the resistor depends directly on the shapes, sizes, and configurations of its resistive elements. The electrical properties of these elements, such as voltage, current, and power, are determined by the shape, size, and relative positions of the resistive elements.

The H4178RBCA resistor is composed of two separate boards made from copper-clad laminates: the substrate and the resistor board. The substrate board is electrically insulating and supports the resistor board, which is the main component. The resistor board consists of a circular array of resistors which are connected in series. Each resistor is connected to two contact points at the top and bottom of the resistor board, which are then connected to the substrate board via small copper vias. When a current is applied to the resistor board, it creates a voltage drop across the array of resistors.

The H4178RBCA resistor is manufactured using a variety of techniques, including thin-film, thick-film, and SMT assembly. The resistor board is typically created by screen printing thin-film resistors onto a substrate board. Thick-film assembly is used to create the resistor board by applying a paste-like resistive material to a substrate board. SMT assembly is used to create the resistor board by screen-printing a surface-mount resistor device onto a substrate board.

In summary, the H4178RBCA resistor is a general-purpose surface mount part designed for reliable assembly into printed circuit boards. It is used in a variety of applications, from automotive electronics to power filters and RF circuits. The resistor’s working principle is based on basic principles of electrical engineering, with the resistance value of the resistor dependent on the shapes, sizes, and configurations of its resistive elements. The resistor board is typically created by either thin-film, thick-film or SMT assembly.

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