H4P39KFCA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	39 kOhms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±50ppm/°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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H4P39KFCA through hole resistors are a range of resistors used in a variety of applications. They are available in both tape and reel packaging to suit the application.The resistors are based on resistive elements formed from a machined high-purity nickel-chrome steel. This material has a resistance value per unit length so that the resistors can be made to order for any particular application. The resistive elements are formed as a hollow tube, the exact length of which depends on the resistance required and the size of the package.The resistors can be designed for both precision and high-precision applications. When taking into account the physical size of the resistor and the resistance value per unit length, as well as its temperature coefficient, precision resistors can be tailored for the application they are used for. High-precision resistors can also be designed for tight margins in temperature stability and capacitance stability. These types of resistors, known as through-hole resistors, are designed to be mounted on a circuit board and offer a superior heat dissipation. Heat is usually dissipated through the resistor mount and the surrounding copper layer on the circuit board. The technique of heat dissipation allows these through hole resistors to be used in higher power applications than surface mounted and chip resistors. The working principle of these resistors is based on Ohm’s law, which states that current, in amperes, is equal to the voltage in volts divided by the resistance in ohms. When a voltage is placed across the resistor, a current equal to the voltage divided by the resistance flows in the circuit. This causes a voltage drop across the resistor, thus dissipates a certain amount of heat, which is proportional to the current flowing in the resistor. So when selecting these resistors for a given application it is important to take into account the power rating of the resistor.Through hole resistors have many applications; they can be used in motor controls, amplifiers, voltage regulator circuits and analog circuits. They are also used in digital circuits to provide steady current at a specific voltage or to act as timing devices in digital logic circuits.Through hole resistors are also sometimes used in instrumentation applications. When used in instrumentation applications, these resistors are designed to provide accurate voltage drops and are matched with specific measurement instrumentation such as strain gauges and thermistors.Through hole resistors are also commonly used in electrical safety applications, where they are designed to dissipate enough heat so that a circuit does not overheat and become dangerous to users or equipment. They are also useful in regulating current and voltage levels in low powered circuits which helps to increase the efficiency and accuracy of a circuit.In summary, through hole resistors are highly versatile resistors that can be used in a variety of applications. They provide superior heat dissipation, reliable performance and accurate measurement capabilities. They are essential components in any circuit design and are used in a wide range of applications from instrumentation and electrical safety to motor control and amplifiers.

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Part Number	Manufacturer	Price	Quantity	Description