PS7206-1A

Series:	PS, OCMOS
Packaging:	Tube
Part Status:	Obsolete
Mounting Type:	Surface Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, DC
Voltage - Input:	1.2VDC
Voltage - Load:	0V ~ 60V
Load Current:	600mA
On-State Resistance (Max):	800 mOhms
Termination Style:	Gull Wing
Package / Case:	4-SOP (0.173", 4.40mm)
Supplier Device Package:	4-SOP (2.54mm)

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Introduction
Solid state relays (SSRs) are a type of electrical relay that can be used to control a circuit with low current and serve as an effective barrier between the control circuit and the power circuit. An SSR consists of an opto-isolator, usually an LED, and a coupling device, usually a triac or a thyristor, which is known as the output stage of the SSR. The common application of an SSR includes switching AC loads and used in temperature controllers, motor speed controllers, lighting control and etc.
PS7206-1A Overview
PS7206-1A, which is one type of SSR, is manufactured by Pan-speed, a renowned Taiwanese SSR company. It is a single optocoupler solid state relay which operates between 110V-130 VAC input voltage. It can switch 6A current and is available in a SIP-4 pin package which includes 1KV isolation. The operating range of the device is from -25℃ to 70℃ and the thermal characteristic can be specified as Ct = 450 mW/℃. In addition, the losses associated are less than 10 mW under normal conditions.
PS7206-1A Application Fields
The PS7206-1A is typically used in applications where the switching of an AC load is required such as temperature controlling, motor speed controllers, lighting control, etc. Moreover, it can also be used in isolation barrier applications because it has a high isolation voltage of 1KV. Finally, its small size and high energy efficiency makes it an ideal option for applications needing reliable and economic switching.
PS7206-1A Working Principle
The working principle of PS7206-1A is simple. When a current passes through the LED, it produces light and the light is detected by a photosensitive element which is built into the device. The photosensitive element then triggers the output stage which then switches on or off the AC load connected to the device. The LED intensity is kept constant and the voltage across the device is always kept at a steady state.
Conclusion
The PS7206-1A is a solid state relay manufactured by Pan-speed, a renowned Taiwanese SSR company. It is mainly used in applications such as temperature controlling, motor speed controllers, lighting control etc. due to its high isolation voltage, small size and energy efficiency. The working principle of the device is based on the electrical, optical principle and can be used to switch an AC load connected to the device.

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