H478K7DYA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	78.7 kOhms
Tolerance:	±0.5%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±15ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors H478K7DYA

Through hole resistors are resistors that are mounted onto circuit boards through the use of holes that are drilled into the board. The H478K7DYA through hole resistors are surface mount resistors that feature wire-wound construction. Despite its small size, these resistors offer a reliable and versatile solution for high current situations.

Application Field

The H478K7DYA has a variety of applications in fields that require high current. This includes industrial control systems, power systems, automotive electronics and more. They can be used in applications such as powering high power motors, solenoid valves, measuring circuits and more.

Working Principle

The H478K7DYA is a variable resistor that has a wire-wound construction. This construction provides a wide range of resistance values from very low to significantly high. By being connected across two terminals, the current running through the H478K7DYA will be regulated. This is because the metal wire conducts the current and any increase or decrease in voltage will cause a decrease or increase in resistance respectively. As the resistance increases, the current passing through the H478K7DYA decreases. This is important to note because it is crucial for controlling the flow of current in certain applications.

Technical Features

The H478K7DYA is a through hole resistor that is both reliable and versatile. The resistor is composed of Teflon-insulated copper strands of wire. This construction gives the resistor its superior heat dissipation characteristics. Additionally, the resistor has a power rating up to 3W with an operating temperature between -55°C and 125°C. The resistor is also capable of handling high currents up to 5A with serial resistance values from 0.075 to 0.375 Ohms. The dimensions of the H478K7DYA are 4.5mm x 10.5mm.

Additional Features

The H478K7DYA has a number of additional features. A notable feature is its low inductance metal construction which increases the stability of the overall design and eliminates any possibilities of interference. Additionally, the resistor has a low profile design which makes it ideal for applications where space is a concern. It also features a non-magnetic barrier enclosure which reduces the risks of distortion and interference from interference caused by external magnetic fields.

Benefits

The H478K7DYA through hole resistor is a highly reliable and versatile component that offers many benefits. First, its precision construction offers consistent and accurate performance in any environment. Second, its small size makes it easy to install and maintain. Third, its low-magnetic design makes it excellent for use in power systems and industrial control systems where there may be a risk of interference from external magnetic fields. Furthermore, its superior heat dissipation characteristics make it the perfect solution for applications that require high power.

Conclusion

The H478K7DYA is a through hole resistor that offers a reliable and versatile solution for high current applications. Its wire-wound construction and non-magnetic barrier enclosure provide superior stability and accuracy. Additionally, its low profile design and heat dissipation capabilities make it an ideal component for applications where space and power are concerns. All of these features make the H478K7DYA the perfect solution for industrial control systems, power systems and automotive electronics.

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