HHV-25FB-52-7M87

Series:	HHV
Packaging:	Bulk
Part Status:	Active
Resistance:	7.87 MOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Flame Retardant Coating, High Voltage, Safety
Temperature Coefficient:	±200ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.094" Dia x 0.248" L (2.40mm x 6.30mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Introduction

Through Hole Resistors (THRs) are an industry-standard device commonly used to regulate and adjust electrical current, voltage, and power. THRs come in many different types and configurations, but the HHV-25FB-52-7M87 THR is a particularly noteworthy example. It is a type of high-ohm field-effect resistor that consists of multiple layers of metallized film and is characterized by its high ohmic value and adjustable resistance. This article will discuss the application field and working principle of the HHV-25FB-52-7M87 THR and examine its features and benefits.

Application Field

The HHV-25FB-52-7M87 THR is designed for use in electronic circuits and systems that require a high power rating. These applications include motor controllers, DC-to-DC converters, power supplies, and audio power amplifiers. Its features—6W max power rating, 25A max. current rating, and 4.3 kOhms max resistance—allow for it to be used in a large range of applications and provide an excellent solution for designing electronic components with adjustable resistance.In addition, the HHV-25FB-52-7M87 THR can be used to regulate and adjust the voltage level of a system. Because the resistance of the device can be adjusted, it can be used to change the voltage of a system by lowering or raising the current flow, depending on the desired effect. This makes it an ideal choice for applications such as circuit protection, parameter adjustment, motor control, and level shifting.

Working Principle

The primary function of a THR is to limit the amount of current flowing in an electrical circuit by introducing a resistance. The resistance of a THR can be adjusted by the operator in order to suit the specific requirements of the device it is being used in.The HHV-25FB-52-7M87 THR is a type of high-ohm field-effect resistor. It consists of multiple layers of metallized film and is characterized by its high ohmic value and adjustable resistance.At its core, the device consists of a high-ohm field-effect layer—which is also known as the gate layer—located between two insulated layers. Depending on the specific configuration, additional layers may also be present. At the heart of the device, a small electric current flowing through the gate layer causes a change in its resistance. This change in resistance is known as a “field effect”. The resistance of the device increases or decreases depending on the direction of the current flow, with the highest resistance typically being obtained with the highest current. The field effect can be used to adjust the voltage level of a system by increasing or decreasing the current flow through the device. Additionally, the device can be used to regulate the power to a device and to provide protection against electrical spikes or surges.

Conclusion

The HHV-25FB-52-7M87 THR is a type of high-ohm field-effect resistor that is used to regulate and adjust electrical current, voltage, and power. It consists of multiple layers of metallized film and is characterized by its high ohmic value and adjustable resistance. The device can be used in motor controllers, DC-to-DC converters, power supplies, and audio power amplifiers, and can be used to change the voltage of a system, provide protection against electrical surges, and regulate the power to a device.

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