STM7E1AR

On-State Resistance (Max):	2 Ohm
Base Part Number:	STM7E1
Supplier Device Package:	64-TQFP (10x10)
Package / Case:	64-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Features:	E1, T1
-3db Bandwidth:	12MHz
Voltage - Supply, Dual (V±):	±3.3V
Voltage - Supply, Single (V+):	3.3V
Series:	--
Number of Channels:	7
Switch Circuit:	--
Multiplexer/Demultiplexer Circuit:	4:2
Applications:	Telecommunications
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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STM7E1AR application field and working principleSTM7E1AR (Single Transistor Momentary Switch) is a special purpose, single transistor momentary switch, which is becoming increasingly popular in the interface analog switch industry. It is an optically isolated interface switch primarily used in industrial grade applications where a momentary low current action is required. The STM7E1AR is designed to provide a moderate amount of electrical isolation between two general purpose circuits, typically a low-current device and a high-current device.This means that the STM7E1AR can be used as a safety device to provide temporary electrical isolation in high voltage, low current circuits, thus making them much safer to use. The STM7E1AR has been designed to be used in any kind of interface analog applications, and has exceptional isolation capability, making it even more suitable for use in isolated switching systems.The STM7E1AR is an optical interface switch, the \'optical\' part referring to the fact that light is used in the process of switching between circuits. In this case, a single LED side and a single phototransistor side are used in the switching process. When a logic \'1\' is applied to the LED side, it sends light to the phototransistor, which then switches and closes the transistor.When the light hits the phototransistor, it is then passed on to the other side, which closes the transistor and allows for electrical current to be passed through the circuit. The STM7E1AR can switch between two general purpose devices, meaning that two separate devices can be switched on and off at the same time.The main feature of the STM7E1AR is the fact that it offers electrical isolation, which is important in many industrial applications. The STM7E1AR provides up to 2500V of electrical isolation between the two circuits being switched. This is crucial in applications that involve high voltage, as it prevents any high voltage shocks that could cause damage to sensitive digital electronics.The STM7E1AR can handle current up to 1.5 A and is therefore capable of switching many different types of current levels. The STM7E1AR also offers a very low power consumption, making it suitable for applications where power is at a premium. The STM7E1AR\'s power consumption is only 0.02 W, making it the ideal choice for applications that require low power consumption.Overall, the STM7E1AR is a great choice for a wide range of applications that require momentary contact and electrical isolation. Its low power, isolation capability and versatile design make it a great choice for isolated switching systems and industrial-grade applications. From safety devices to control systems, the STM7E1AR is a very reliable, cost-effective and capable device.

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