H439K2BDA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	39.2 kOhms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
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:	0.146" 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 ResistorsResistors are among the most essential and ubiquitous components of electrical engineering. They are polarised components that offer high resistance in order to reduce current and voltage levels traveling through a circuit. Through-hole resistors are those that are composed of a leaded wire that is pushed through a hole in the circuit board and soldered onto the board to make the required electrical connections. The H439K2BDA is a through-hole resistor that is often used in a vast range of applications. The H439K2BDA, when installed, has a power rating of 0.25 watts and has a resistance range of 4,800Ω to 56,000Ω. This high resistance range means that it is suitable for use in reducing many different currents. The H439K2BDA has been specifically designed to reduce high-frequency electrical inputs, making it suitable not only for power electronics but also for switching applications such as power converters and motor control. It is also able to resist voltages up to 200V, which makes it highly versatile. The H439K2BDA is composed of a non-flammable ceramic body, which is capable of withstanding temperatures ranging from -55°C to 175°C without deteriorating. In addition, its tight tolerance of +/- 5% enables a higher degree of accuracy when adjusting or measuring current levels. As mentioned before, the H439K2BDA is a through-hole resistor, designed to enable fast and secure installation. This is achieved by its leaded wire pins, which securely attach to the circuit board. The working principle of the H439K2BDA is very simple. At its core, the resistor is a piece of material with an inherent resistance, and this resistance will ultimately be determined by its geometry, temperature, and the type of material it is made from. When a voltage is applied to the two leads of the resistor, the resistance of the material generates an opposing force, resulting in a drop in the voltage by the total resistance of the component. This helps to reduce the current traveling on the circuit, thus helping to protect other components and ensuring the safe operation of the entire system. In conclusion, the H439K2BDA is a through-hole resistor that is suitable for reducing a wide range of currents and voltages. It is composed of a non-flammable ceramic body and tightly-toleranced pins, which enable secure and fast installation. In addition, its working principle is simple to understand, and it is frequently used in power electronics, switching applications, and motor control.

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