CD2425E4UH

Series:	Evolution Dual
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A) x 2
Output Type:	AC, Zero Cross
Voltage - Input:	15 ~ 32VDC
Voltage - Load:	24V ~ 280V
Load Current:	25A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Introduction

Solid state relays are commonly used power electronic devices that switch electrical load by means of a semiconductor device such as a thyristor or transistor. CD2425E4UH is one of these devices. It is a low-cost and reliable circuit device designed for protecting and controlling a wide range of applications with high power switching and operating capability. It is one of the most popular solid state relays on the market and has multiple features that make it a great choice for many applications.

Application Field

CD2425E4UH has a wide range of applications in many different industries. It can be used for many types of power electronic circuit applications, including switching devices in a wide range of household appliances, motor speed control, process control, and power conditioning systems. Also, it can be utilized as the switching device in HVAC systems, telecommunication systems, and healthcare equipment. The outstanding feature of this solid state relay is its high power rating of up to 25 A, which is an advantageous point for many of the applications mentioned above. It can easily support heavy loads and is an excellent choice for controlling electric motors and high power loads. Additionally, it is highly reliable and features an extremely low on-state resistance, which makes it suitable for high-frequency applications such as telecom systems and healthcare equipment.

Working Principle

The CD2425E4UH solid state relay is a semiconductor switch that works as an AC amplifier. It has two input terminals and two output terminals. The two output terminals are connected to the load, such as a motor or other device, and the two input terminals are connected to the control circuit. When a voltage is applied to the control circuit, the solid state relay switches on and off. The switching speed of the relay is very fast—it will switch on and off many times per second, depending on the frequency of the applied voltage. The operating mechanism of this solid state relay consists of two basic components: a semiconductor substrate and a diode. When the voltage is applied, a current will flow in the semiconductor substrate, which causes it to become conductive. As the voltage is reduced, the current will also be reduced, which in turn will cause the semiconductor substrate to become non-conductive. The diode is used to maintain a constant current path and also provide protection from short-circuit current.

Conclusion

The CD2425E4UH solid state relay is one of the most reliable and cost-efficient power electronic devices on the market. It is able to switch heavy loads reliably and is suitable for many different applications in both industrial and commercial sectors. It is designed with a fast switching speed, low on-state resistance, and high power rating of up to 25 A, making it a great choice for many high-power and high-frequency applications. The operating principle of the device is relatively simple, involving a semiconductor substrate and a diode.

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