H4P27R4DCA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	27.4 Ohms
Tolerance:	±0.5%
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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<p>A Through Hole Resistor is an electronic component that limits or regulates the flow of electrical current. The H4P27R4DCA is a type of Through Hole Resistor that combines an epoxy-encapsulated resistor element with a printed circuit board or copper board substrate. This type of Through Hole Resistor is commonly used in telecommunications, medical equipment, control instrumentation, test and measurement equipment, and other high-reliability applications. </p><p>The primary function of Through Hole Resistors is to maintain a constant current within a given range. This can be done either by limiting the current across the resistor element itself or by bypassing the current to the circuit board substrate. In both cases, the resistor prevents the electricity from passing through the circuit board. By doing this, it reduces the risk of short circuits, overloads, electrical noise, and other problems. The resistor also serves to protect other components such as transistors and capacitors from damage due to excessive current.</p><p>The working principle of the H4P27R4DCA involves the use of a printed circuit board (PCB) or a copper board substrate. The PCB substrate acts as a base for the resistor element and also serves as a platform for mounting other components such as transistors, capacitors, and diodes. The resistor element itself is made up of an electrically conductive material such as nickel or silver. It is connected to the PCB substrate through a series of electrical contacts, known as connection points. Through these contacts, the resistor element receives and sends a control voltage or current, which is used to regulate the amount of current that passes through the resistor. </p><p>The primary applications of the H4P27R4DCA Through Hole Resistor include:</p><ul> <li>Telecommunications: This type of resistor is used to regulate the magnitude of current flow in telecommunications systems.</li> <li>Medical Equipment: It is used to regulate the magnitude of current flow in medical equipment and other control systems.</li> <li>Control Instrumentation: It is used to regulate the magnitude of current flow in industrial control systems, including robotic systems.</li> <li>Test and Measurement Equipment: It is used to regulate the magnitude of current flow in test and measurement equipment.</li> <li>Other High-Reliability Applications: Through Hole Resistors are also used in other high-reliability applications, such as aerospace and defense systems.</li></ul><p>The primary advantage of using a Through Hole Resistor is that it is very reliable, since it can withstand wide temperature ranges, high frequencies, and a wide range of voltages. This makes it an ideal choice for high-reliability applications. The H4P27R4DCA Through Hole Resistor is also very versatile, as it can be used in a wide variety of applications. Additionally, it is often the preferred choice in high-temperature environments due to its ability to maintain its performance even at extreme temperatures. </p><p>In conclusion, the H4P27R4DCA Through Hole Resistor is an extremely reliable, robust component that is capable of providing reliable, long-lasting performance. It is suitable for a variety of applications, including telecommunications, medical equipment, test and measurement equipment, and other high-reliability applications. Its primary function is to limit or regulate the flow of electrical current, and its advantages include reliable performance, versatility, and ability to withstand extreme temperatures. </p>

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