H11A817AS

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	200mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2.4µs, 2.4µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	160% @ 5mA
Current Transfer Ratio (Min):	80% @ 5mA
Voltage - Isolation:	5300Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

Optoisolator, or Opto-isolator, refers to an electronic device which isolates the input signal from the output signal. It utilizes an optical technique which prevents the electrical currents from establishing a pathway between the two units. One of the most common optoisolators is H11A817AS, which utilizes a photovoltaic output to supply a voltage drop between the input and the output.The H11A817AS is a low cost, low voltage optoisolator, perfect for a variety of applications in today\'s electronic circuitry. It utilizes a photodiode, a transistor, and a voltage regulator to provide isolation between input signals and output signals. The photodiode is used to convert the input electrical signal into an optical signal which can then be transmitted to the transistor. The transistor then in turn converts the optical signal back into an electrical signal which is then sent out as the output. The isolation between the input and the output is maintained by a voltage-drop change across the transistor.In terms of application, the H11A817AS optoisolator is useful for a variety of applications such as power line AC/DC signal conversion, power source isolation, electrical noise blocking, and data communication. It is also used for industrial automation and process control solutions to provide isolated gate driving logic signal between systems or subsystems. The device can also be utilized in the operation of programmable logic controllers, motion control systems, and remote monitoring systems.As for the work principle of the H11A817AS, it is basically the same as that of other optoisolator devices. When the input signal is given to the photodiode, it converts the signal into an optical signal and transmits it to the transistor where it is converted back into an electric signal. The voltage drop across the transistor is then used to maintain the electrical isolation between the input and the output. The device also provides a linear operating range from less than one millivolt to two volts. This allows for a greater flexibility in signal processing, and reduces the chances of interference between different components within a system.In terms of features, the H11A817AS offers an impressive range of features that make it suitable for a variety of applications. It has an operating temperature range of -40°C to +85°C and a reverse voltage of up to 8V. It also has a diode capacitance of up to 15pf and a maximum collector current of 100 mA. Moreover, the device has a maximum signal voltage of 10V and a maximum signal current of 2mA.Overall, the H11A817AS optoisolator is an ideal solution for applications requiring isolation between input and output signals. It has a low cost and is suitable for a range of applications, making it an attractive solution for those looking for optoisolators. It also offers a range of features such as a linear operating range and temperature stability that make it a reliable choice. With its impressive range of features, the H11A817AS makes is easy to ensure the reliability and safety of your application.

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