H891KFYA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	91 kOhms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
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:	0.098" Dia x 0.283" L (2.50mm x 7.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction to Through Hole Resistors

Through hole resistors are an important type of resistors used in a variety of electrical circuits and systems. They are made of a thin metal-oxide film on a substrate, and are designed to be mounted to a printed circuit board (PCB) via two or more metal pins. Through hole resistors are reliable, highly accurate, and durable, making them ideal for a wide range of applications, from lighting fixtures to automotive systems.

H891KFYA Overview

The H891KFYA is a through hole resistor produced by the company Mitsubishi Electric. This resistor is designed with a 4-pin configuration and is highly reliable, with a resistance tolerance of ±5%. It has a power rating of 1.5W and a standard operating temperature range of -55°C to +125°C. The H891KFYA is UL certified and certified by the IEC.

H891KFYA Application Field and Working Principle

The H891KFYA through hole resistor has a wide range of applications. In automotive systems, it can be used as a voltage-divider circuit element, as well as an interface between the engine control unit (ECU) and the powertrain control module (PCM). It can also be used for protection against environmental conditions such as humidity and dust in the engine compartment.In lighting systems, the H891KFYA is used as a current-limiting resistor, providing protection against high currents or inrush currents. This helps to reduce the risk of electrical fires and other hazards. It is also used in audio systems, where it provides a stable flow of current to the speakers to ensure clarity and sound quality.The H891KFYA is based on a metal oxide film. The film is placed between two metal leads, with each lead connected to a PCB. When current is applied, the metal oxide film absorbs the current and creates a resistance, which is measured in Ohms. This resistance keeps the current from exceeding a predetermined limit, providing protection against excessive or uncontrolled currents.

Conclusion

The H891KFYA is a versatile and reliable through hole resistor that can be used in a wide range of applications. It is highly accurate, durable, and UL certified, providing reliable performance in a range of different environments. The resistor is based on a metal-oxide film, which absorbs the current and creates a resistance, enabling it to control and limit the flow of current. As a result, the H891KFYA is an ideal choice for protecting electrical systems from excessive and uncontrolled currents.

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