EL817(S1)(D)(TB)

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:	50mA
Voltage - Output (Max):	35V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	4µs, 3µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	600% @ 5mA
Current Transfer Ratio (Min):	300% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

EL817 (S1)(D)(TB) optoisolators, with transistor photovoltaic outputs, are widely used in the modern industrial environment. They possess numerous applications in a variety of industries such as automotive, electronics, lighting, etc. The specialization of this optoisolator lies in its ability to safely maintain electrical isolation, providing enhanced protection from hazardous mediums and hazardous processes.In simple terms, an optoisolator is an electrical isolation component that produces a physical connection between two circuits. It separates the circuits electrically and electromagnetically, preventing electrical signals from one circuit passing onto the other. It is commonly used in applications to provide a safe switching medium between AC (alternating current) and DC (direct current).This optoisolator utilizes a photovoltaic transistor output, which isolates the input voltage and current from the output voltage and current. It is made up of three major components: a light source, an opto-coupler, and a logic circuit. The light source is typically an LED (Light emitting diode) which emits a light; this is directed onto the opto-coupler, which is composed of a photoresistor. The photoresistor will then activate the logic circuit; the logic circuit produces the required output voltage and current.When using an EL817 (S1)(D)(TB) optoisolator, the user must ensure that a correctly rated power source is connected and all required safety systems, including a grounding system, are present. Furthermore, the user must be aware of the applicable regulations pertaining to safety and operation.The mechanism of EL817 (S1)(D)(TB) optoisolator is based on the phenomenon of photovoltaic effect. Here, when the photons from the LED strikes the photodiode, it triggers an electrical current. This electrical current activates the opto-coupler and the logic circuit, which then produces the required output current and voltage.Furthermore, the optoisolator is used to avoid electromagnetic interference (EMI) between circuits. The optoisolator will reduce the intensity of the interference, preventing problems created by random electrical noise from interfering with the signal. This helps provide a more reliable and consistent signal from one circuit to the other.EL817 (S1)(D)(TB) optoisolators, with transistor photovoltaic outputs, are essential components in the modern industrial environment. In addition to providing an electrical and electromagnetic isolation between two circuits, they also serve to reduce electromagnetic interference, providing a more reliable and consistent signal. Furthermore, easy assembly and installation as well as their low cost make these optoisolators an ideal choice for the industrial sector.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description