EL816(D)-V

Output Type:	Transistor
Supplier Device Package:	4-DIP
Package / Case:	4-DIP (0.300", 7.62mm)
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):	600% @ 5mA
Current Transfer Ratio (Min):	300% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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EL816 (D) - V Application Field and Working Principle

Optoisolators (or optical isolators, isolators, fiber optic couplers, optocouplers) are used to enhance the isolation of signals and protect devices where high isolation between two circuits is required. The EL816 (D) - V consists of an infrared LED and Phototransistor. This Optoisolator is used to provide electrical isolation between two parts of a system. It is important to consider the application field and working principle of the EL816 before using it.

Application Field

Optoisolators are designed to be used in a variety of applications. The EL816 is commonly used to isolate a low voltage control signal from a high voltage control system. It is also used in communication systems, switching circuits and signal conditioning applications.The EL816 is also well suited for providing low level electrical isolation. It can isolate a low voltage signal (such as a logic signal) from a high voltage control circuit. This is important in applications such as industrial machinery, medical devices, test equipment, telecommunications and military systems, where keeping control signals isolated from the main power source prevents damage or interference.

Working Principle

The EL 816 (D) - V consists of two components, an infrared LED and a phototransistor. The LED emits an infrared light when a current is applied to it, which is then detected by the phototransistor. The phototransistor has two pins, an emitter and a collector. The current flowing through the LED affects the current flowing through the phototransistor. This allows the EL 816 to provide isolation between two circuits.The current which passes through both the LED and the phototransistor can be either AC or DC. This makes the EL 816 suitable for AC or DC circuitry. In addition, the EL 816 also has a built-in heat sink, which helps to dissipate heat generated by the LED and phototransistor. This protects the components from physical damage due to heat.

Conclusion

The EL 816 is an optoisolator which provides electrical isolation between two circuits. It consists of an infrared LED and a phototransistor and offers both AC and DC electrical isolation. It is suitable for a variety of applications, including communication systems, switching circuits, and signal conditioning, as well as providing low-level electrical isolation. It is an important component for providing electrical safety in industrial, medical, test and military systems.

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