ASSR-4111-501E

On-State Resistance (Max):	25 Ohms
Termination Style:	Gull Wing
Package / Case:	6-SMD (0.300", 7.62mm)
Supplier Device Package:	6-DIP Gull Wing
Series:	ASSR
Packaging:	Cut Tape (CT)
Part Status:	Active
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.3VDC
Voltage - Load:	0V ~ 400V
Load Current:	120mA

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Solid State Relays (SSRs) are electronic switching devices that are used to control large currents and voltages in a variety of applications. These types of components offer a number of advantages over traditional electromechanical relays, such as improved reliability, faster switching speeds, and longer life expectancy. The ASSR-4111-501E is a single-channel, synchronous optically isolated solid-state relay designed for industrial control applications. In this article, we will take a closer look at the application fields and working principle of this type of relay. Application FieldsThe ASSR-4111-501E is specifically designed for applications that require high electrical isolation between input and output channels. This type of SOC is ideal for industrial control systems because it provides up to 2,500 volts of isolation between inputs and outputs, preventing electrical interference and reducing the risk of expensive damage to connected components.The ASSR-4111-501E is also suitable for use in a number of specialized applications. These include medical device control, automotive systems, DC-powered HVAC systems, fire alarm systems, and temperature control.In addition, the ASSR-4111-501E can be used in a variety of temperature-sensitive applications where the switching point must remain at a constant level. This is due to the high activation temperature accuracy of this device, which allows it to maintain a tight temperature tolerance regardless of the ambient temperature.Working PrincipleThe ASSR-4111-501E operates on the principle of optically isolated switching. This means that a light emitting diode (LED) is connected to an input source and sends a light signal to photodetectors on the other side of the relays, which convert the light signal into an electric one that triggers the switch. The signal produced by the photodetectors is amplified and then fed to a power MOSFET, which is responsible for driving the connected load. The reliability and speed of this type of device are significantly higher than that of traditional relays.ConclusionAs an optically-isolated solid-state relay, the ASSR-4111-501E is ideal for a variety of industrial control and specialized applications. Thanks to its high activation temperature accuracy and the ability to provide up to 2,500 volts of electrical isolation between input and output channels, it is a reliable and efficient switching device. Furthermore, its superior switching speeds and longer life expectancy, as compared to traditional relays, make it a great choice for many types of applications.

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