FOD814AW

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Number of Channels:	1
Voltage - Isolation:	5000Vrms
Current Transfer Ratio (Min):	50% @ 1mA
Current Transfer Ratio (Max):	150% @ 1mA
Turn On / Turn Off Time (Typ):	--
Rise / Fall Time (Typ):	4µs, 3µs
Input Type:	AC, DC
Output Type:	Transistor
Voltage - Output (Max):	70V
Current - Output / Channel:	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - DC Forward (If) (Max):	50mA
Vce Saturation (Max):	200mV
Operating Temperature:	-55°C ~ 105°C
Mounting Type:	Through Hole
Package / Case:	4-DIP (0.400", 10.16mm)
Supplier Device Package:	4-DIP

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Optoisolators - Transistor, Photovoltaic Output

The FOD814AW optoisolator is a device that provides electrical isolation between two circuits. It is designed primarily for industrial applications, providing a reliable means of interfacing two systems that must not intermingle their electronic signals. This optoisolator type uses a light-emitting diode (LED) to generate a light pulse that is detected by a photovoltaic output.The LED drives the photovoltaic output that is contained within the FOD814AW package. The LED side of the optoisolator carries the input signal, which is usually a voltage or current signal. Upon activation, the LED emits light that is directed at the photovoltaic output, which produces a photocurrent. The photocurrent is then used to drive the transistor side of the optoisolator, which produces the output signal. The output signal is then used to drive subsequent circuitry.The input signal to the FOD814AW optoisolator is usually a voltage or current signal, and the LED side of the optoisolator is designed to accept those types of signals. It can be used with signals that are DC or low frequency AC signals up to 200MHz. The high impedance of the LED side allows it to be connected to other circuits without affecting their operation.The LED used in the FOD814AW is designed to emit light in the wavelength range of 810 to 850 nm, which is ideal for photovoltaic output. The light optimum intensity varies depending on the signal type and output transistor used, but typically ranges from 10 to 100 mA. The peak output voltage is typically 5 V, and the rise and fall times of the output signal are on the order of microseconds.The optoisolator’s photovoltaic output is designed for use with a variety of transistors, depending on the application. Typical transistors used with the FOD814AW optoisolator are MOSFETs and Darlington transistors. The device can also be used with SCRs, thyristors, and TRIACs. The output transistor is isolated from the input signal by the photocurrent generated by the photovoltaic output, allowing the output transistor to perform its function without being affected by the input signal.The FOD814AW optoisolator provides a reliable means of electrical isolation between two circuits, allowing them to operate independently without affecting each other. The high impedance of the LED side and the wide range of transistors that can be used with this optoisolator make it a useful tool in electrical engineering applications.

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