H8147RBDA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	147 Ohms
Tolerance:	±0.1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±25ppm/°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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H8147RBDA application field and working principleThrough hole resistors are widely used in various applications. They have many advantages such as their high power rating, good temperature stability, and wide range of resistance values. The H8147RBDA is a type of through hole resistor specially designed for power applications such as DC-DC converters, power amplifiers, and motor control circuits, to name a few.The H8147RBDA is an axial lead wirewound resistor, which is constructed with a ceramic core and a nickel-chromium alloy wire that is wrapped around the core. This type of resistor has a power rating of up to 10W and can handle currents up to 4A at 25°C. Additionally, its temperature coefficient of resistance is in the range of -75ppm/ºC to +55ppm/ºC which ensures stable operation in varying environmental conditions. The resistor also offers a tolerance of +5/-1%, which ensures its accuracy and long-term stability.The main application areas of the H8147RBDA include power supplies, automotive power systems, industrial controllers, and air conditioning systems. The resistor is also suitable for high frequency and inverter applications, and for high resistance and low-noise applications, such as noise filter circuits and frequency synthesizers.The working principle of a through hole resistor such as the H8147RBDA is based on the Joule effect, which states that when a current passes through a conductor, energy is dissipated in the form of heat. The more current, the higher the dissipated energy. The H8147RBDA is designed to effectively limit the amount of current passing through and convert it into heat, thereby efficiently reducing the power output of the circuit.The resistor also features a self-limiting and self-regulating mechanism which helps protect the circuit from overloads. This mechanism limits the amount of current that passes through the resistor by quickly increasing the resistance in the event of an overload. When the load is reduced, the resistance returns to its previous value, thus ensuring continuous operation of the circuit.Overall, the H8147RBDA is a robust, reliable, and highly accurate through hole resistor that is ideal for a variety of power applications. Its versatility, efficiency, and ease of installation make it an ideal choice for various types of applications. Furthermore, its self-limiting and self-regulating mechanism ensures a safe and secure operation of the circuit, even in extreme conditions.

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