PAA140P

Series:	PAA, OptoMOS®
Packaging:	Tube
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A) x 2
Output Type:	AC, DC
Voltage - Input:	1.2VDC
Voltage - Load:	0V ~ 400V
Load Current:	250mA
On-State Resistance (Max):	8 Ohms
Termination Style:	Gull Wing
Package / Case:	8-SMD (0.300", 7.62mm)
Supplier Device Package:	8-Flatpack

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Solid State Relays

Solid state relays (SSRs) are electronic switching devices that offer a reliable connection between two terminals or circuits for the control and protection of electrical equipment. SSRs provide the advantages of both low power consumption and high switching speeds, offering a cost-effective solution to many types of applications.The PAA140P is a low on-resistance, medium to low power SSR with a safe load current rating of 5A. It is manufactured with a solid-state technology, using a monolithic integrated circuit, a rectifier, a thyristor, and a Zener diode as the main components. The relay is applicable for both AC and DC circuits, and is designed to be used as an intermediate switch in a wide variety of applications.

PAA140P Application Field

The PAA140P is suitable for industrial and consumer applications involving light loads and moderate switching speeds. It is specifically designed for use with a wide range of motor control components, such as motors, fans, pumps, heaters, ovens, and solar panel arrays. The device is also used in products requiring high reliability, such as medical equipment, automation, instrumentation, and motor starter circuits.

PAA140P Working Principle

The PAA140P works on the principle of a solid-state switch, which is a type of semiconductor device that can be used in place of a mechanical switch. When a current passes through the device, a voltage potential is created across its terminals, resulting in a controlled change in the electrical states of the terminals. This allows for the effective switching of electrical signals, thus enabling the PAA140P to be used as an intermediate switch in a variety of applications.In the PAA140P, the connection between its terminals is achieved using an integrated circuit. This integrated circuit contains a thyristor, a diode, and a rectifier as the main components. When a voltage potential is applied across the terminals, the potential causes a current to flow through the thyristor, which then triggers the switching mechanism. As the current passes through the rectifier and diode, the reversing potential closes the relay, allowing the switching mechanism to be activated and the device to be connected.The PAA140P has several advantages over conventional relays, such as low power consumption, fast switching speeds, and high reliability. It also eliminates the need for a separate power supply, reducing the cost and complexity of the system. Moreover, the solid-state switch makes the device more suitable for use in hazardous environments, as it is not affected by effects such as corrosion or humidity.Overall, the PAA140P offers a reliable and cost-effective solution for a variety of industrial and consumer applications. It is easy to integrate into existing systems, and offers a safe and long-lasting working life. Therefore, the PAA140P is an excellent choice for applications requiring high reliability and low power consumption.

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