25J450

Series:	20
Packaging:	Bulk
Part Status:	Active
Resistance:	450 Ohms
Tolerance:	±5%
Power (Watts):	5W
Composition:	Wirewound
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±30ppm/°C
Operating Temperature:	--
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.276" Dia x 1.016" L (7.00mm x 25.80mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction

Through Hole Resistors, or THRs, are resistors that are mounted through holes in circuit boards. They are commonly used for a variety of different applications, from protection circuits, to temperature sensors, to lighting control. The 25J450 is a specific type of THR that is designed to handle high voltage and temperature applications. In this article, we will look at the applications of the 25J450, as well as its working principle.

Applications and Capabilities

The 25J450 has a resistance range of 0.5 to 1kΩ and has the capacity to handle up to 250V peak-to-peak or 500V continuously. It is also highly temperature tolerant and can withstand temperatures up to +200℃. It can also handle high-frequency switching and has excellent thermal stability.The 25J450 THR application fields common applications are in instrumentation, medical equipment, telecoms, and lightning and automotive systems.Instrumentation: The 25J450 THR is used in instrumentation devices such as oscilloscopes, digital multimeters, and data acquisition systems. It is used for both current control and temperature measurement.Medical equipment: The 25J450 THR is used in a wide range of medical equipment, from infusion pumps and respiratory ventilators, to electrocardiographs and X-ray machines. It is used for temperature monitoring and current control in these applications.Telecoms: The 25J450 THR is used in telecom equipment such as base stations and VSATs. It is used for temperature sensing and current control.Lighting and Automotive systems: The 25J450 THR is used in a variety of automotive systems, such as air conditioning and engine control systems, as well as lighting control systems.

Working Principle

The 25J450 THR works on the principle of semiconductor resistance. In these types of THR resistors, semiconductor materials are used between two metal electrodes. The resistance of the material is determined by the number of electrons available to move from one electrode to the other. The resistance decreases when there are more electrons available and increases when fewer are available. In the case of the 25J450 THR, the resistance can be adjusted by adjusting the voltage applied to the resistor.The 25J450 THR is designed to handle a wide range of voltage and temperature conditions, making it a versatile resistor. It also has excellent thermal stability, which means it maintains its resistance value over time despite changes in temperature.

Conclusion

The 25J450 THR is a versatile resistor that can be used for a variety of applications, from instrumentation to automotive systems. It is designed to handle high voltages and temperatures, and it has excellent thermal stability. Its working principle is based on semiconductor resistance, where the resistance is determined by the number of electrons available to move between two metal electrodes. This makes it a reliable and durable resistor for various applications.

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