Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	12.7 kOhms
Tolerance:	±0.5%
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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Through Hole Resistors: H812K7DYA Application Field and Working Principle

Resistors are common electrical components used to limit current flow or to divide voltages in electrical circuits. They are available in various types and sizes, designed for different electrical applications.Through-hole resistors are one of the most popular types of resistors. They have two connection leads that are inserted into the circuit board’s holes. They are known for their robust construction and have a wide application from low-frequency high-power uses to pulsed applications.The H812K7DYA is a specifically designed through-hole resistor that is used in many different applications. It is a general-purpose resistor, made of manganese dioxide, with a power rating of 1/4W and tolerance of 5%. Its operating temperature range is from -65°C to +175°C and its maximum dissipation is 1/2W at +70°C. It is non-inductive, with an accessible resistance range of 1 ohm to 10M ohms.The H812K7DYA is often used in power supplies, audio amplifiers, motor control, and DC/DC converters. It is particularly useful for low-frequency, high-power applications and can be securely held in place inside the circuit board using a variety of mounting clips or retainers.The working principle of the H812K7DYA is based on Ohm\'s law, which states that the current passing through a resistor is proportional to the voltage applied across its terminals. In other words, the current that passes through the resistor can be calculated by dividing the applied voltage by the resistance of the resistor.The H812K7DYA is a through-hole resistor that operates within the limits of Ohm\'s Law and is capable of resisting a wide range of currents. The non-inductive construction of the component ensures that its resistance stays constant despite fluctuating temperatures over time. Its precise tolerance rating and maximum power dissipation ensure that it will perform reliably and consistently in different electronic applications.

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