EL814S1(A)(TU)

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	200mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	--
Voltage - Output (Max):	80V
Series:	--
Input Type:	AC, DC
Rise / Fall Time (Typ):	7µs, 11µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	150% @ 1mA
Current Transfer Ratio (Min):	50% @ 1mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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EL814S1(A)(TU) Application Field and Working Principle

Optoisolators - Transistor, Photovoltaic Output, such as the EL814S1A(TU), are optically coupled isolators within the electromagnetic interference (EMI) or radio frequency interference (RFI) category of isolation and protection devices. These applications require a type of insulation barrier that is purely electro-optical in nature, breaking a continuity of potential fields in electrical systems, and protecting critical circuits from disruption or damage.The EL814S1A(TU) optoisolator is a type of optically coupled isolator, or optocoupler, designed to provide isolation and protection for a variety of application fields. Generally, the application field of the EL814S1A(TU) includes telecommunications, factory automation, motor controls, and medical instrumentation, among many other specialized industrial and commercial applications. The device itself consists of a 5-pin dual inline plastic (DIP) package, containing a light emitting diode, phototransistor, and photosensitive complement.The basic working principle of the EL814S1A(TU) optoisolator is extremely simple. An input signal, typically in the form of a voltage, is applied to the anode of the LED within the device, causing a current to flow through the diode. The LED then produces a light signal, or light output, in direct proportion to the applied current. This light is detected by the photo-transistor portion of the device, switching on the transistor and allowing a current to flow in the output circuit. The degree of current available is determined by the brightness and wavelength of the light output produced by the LED, and is typically much higher than the input current. In this way, the EL814S1A(TU) optoisolator acts as an electrical insulator, providing electrical isolation between input and output, and protecting critical circuits from destructive effects or interference.The EL814S1A(TU) optoisolator\'s opto-coupling capability also offers additional functionality in a range of applications. The device\'s electromechanical properties allow it to be used as a higher-speed switch, with some models offering switching speeds of up to 20 microseconds. Additionally, the LED and phototransistor portion of the device can detect voltages, currents, and temperatures, and be used for process control purposes.Its advanced isolation and protection capabilities, combined with its ability to switch or detect voltages and currents, make the EL814S1A(TU) optoisolator a valuable asset in a variety of application fields. Its 5-pin DIP package further increases its versatility, making it perfect for use in a wide range of industrial and commercial operations.

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