EL3H7(D)(TA)-VG

Output Type:	Transistor
Supplier Device Package:	4-SSOP
Package / Case:	4-SOIC (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	200mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	50mA
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	5µs, 3µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	600% @ 5mA
Current Transfer Ratio (Min):	300% @ 5mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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[[{"type":"media","view_mode":"media_original","fid":"2213","attributes":{"alt":"Optoisolators - Transistor, Photovoltaic Output","class":"media-image","height":"230","style":"width: 500px; height: 230px;","typeof":"foaf:Image","width":"500"}}]]Optoisolators - Transistor, Photovoltaic Output, such as EL3H7(D)(TA)-VG, are a form of electronic component used to separate electrical circuits. This is necessary when two circuits must be connected that are at very different potentials, such as mains power and low-voltage controller machinery, or when one circuit needs to be electrically isolated from the other. The optical isolator works on the principle of transferring the control signal between two circuits across an optical barrier, thus completely isolating the two sections from each other. The EL3H7(D)(TA)-VG is a Photovoltaic Output Optoisolator, meaning that its output transistor is designed to switch high power loads like AC or DC motors, heaters, and other AC or DC sources. This is done by using a light signal, generated by a light emitting diode (LED) at the input side of the optoisolator, to activate its output side transistor.The EL3H7(D)(TA)-VG consists of two parts - the input side and the output side. The input side consists of a light emitting diode, usually a gallium arsenide LED, which is used as the optical signal source. The output side of the optoisolator contains a photo sensitive transistor. Both sides are separated by a thin quartz plate.When a current flows through the LED on the input side, it emits a light signal, which is then absorbed by the photosensitive transistor on the output side. This causes a current to flow through the transistor, which in turn can be used to switch higher voltage power sources like motors or relays.The EL3H7(D)(TA)-VG can be used in a wide variety of applications. It is commonly used to control AC mains voltage, such as for controlling lights, motor speed, or switching HVAC systems. It can also be used for controlling DC systems such as DC motors, DC light systems, or DC lighting systems. Other applications of the EL3H7(D)(TA)-VG optoisolator include controlling pumps, mixing valves, and other low-voltage electrical elements.Optoisolators like the EL3H7(D)(TA)-VG are designed to provide electrical isolation between the input side and the output side, in order to protect the control circuitry from high voltage or harmful power surges. Thus, the use of optoisolators is highly recommended in any applications that require electrical isolation, such as in electric motor control circuits, or higher voltage AC power systems.

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