EL816(M)(B)

Output Type:	Transistor
Supplier Device Package:	4-DIP
Package / Case:	4-DIP (0.400", 10.16mm)
Mounting Type:	Through Hole
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):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	4µs, 3µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	260% @ 5mA
Current Transfer Ratio (Min):	130% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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EL816(M)(B) Application Field and Working Principle

Optoisolators, commonly known as optocouplers, are devices intended to transfer information between two circuits with electrical isolation between them. In most cases, the opto-isolator is designed to achieve this through the use of a photovoltaic device, usually a light emitting diode (LED). Opto-isolators, such as the EL816(M)(B), offer a convenient foundation for the design of a wide range of applications. The EL816M(B) opto-isolator from Exar Corporation is one of many types of opto-isolators presently available in the market. It is a solid-state opto-coupler, or opto-isolator, that makes use of a photovoltaic transistor, a precisely designed light emitting diode (LED), and a phototransistor mounted in one single package. The primary objective of the EL816M(B) opto-isolator is to provide galvanic isolation between two circuits, thereby eliminating any risk of contamination resulting from incorrect wiring. It provides an effective form of electrical insulation of more than 5000 Volts between input and output circuits. This high level of isolation ensures that the input signals are not affected by the noise generate by the output circuitry.In terms of operation, the EL816(M)(B) opto-isolator is made up of a light emitting diode (LED) and a phototransistor mounted within a hybrid package. The LED emits a small amount of infrared light when the input signal is applied across its pins. The photodetector receives the emitted light and transforms it into electrical current. The current is then applied to the output devices, resulting in the required output signal. The main applications of the EL816(M)(B) opto-isolator are in industrial, consumer and medical electronic systems. It is widely used in motor drives, process controls, consumer electronics, integrated systems, medical instruments and power conversion systems. It also finds application in the automotive industry in automotive engine control systems, in regulated power supplies, and in systems controlling data transmission. The EL816(M)(B) opto-isolator provides enhanced electrical isolation, low power consumption, high speed performance, wide temperature range operation and safeguarded switching. As a result, it is well suited for medium to high power applications. This opto-isolator also features enhanced LED current, sensitivity and reliability. The EL816(M)(B) opto-isolator also offers a variety of mounting options. It can be mounted on a printed circuit board or in a small package. The light emitting diode (LED) contained in the opto-isolator is available in a variety of shapes and sizes depending on the application requirements. Overall, the EL816(M)(B) opto-isolator from Exar Corporation is a very reliable and versatile device for the transfer of information between two circuits with electrical isolation between them. It provides a high level of isolation, low power consumption, high speed performance, wide temperature range operation and safeguarded switching, making it suitable for a variety of applications.

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