SFH617A-2X019

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):	400mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.35V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2µs, 2µs
Turn On / Turn Off Time (Typ):	3µs, 2.3µs
Current Transfer Ratio (Max):	125% @ 10mA
Current Transfer Ratio (Min):	63% @ 10mA
Voltage - Isolation:	5300Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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SFH617A-2X019 Application Field and Working Principle

Optoisolators - Transistor, Photovoltaic Output is a type of optoisolator device which uses a combination of a light-emitting diode and a transistor to convert electrical signals into optical signals. The SFH617A-2X019 is a photovoltaic output optoisolator device designed for applications where electrical noise or interference can introduced into the system. This optoisolator device provides high-speed and low power operation. It has a wide range of applications such as in communications, instrumentation, control, and automation.

Light-Emitting Diode

The SFH617A-2X019 optoisolator device employs a light-emitting diode (LED) as the light source. It has a high current capacity, so it is suitable for use in a wide range of applications. The LED emits infrared light with a wavelength of 940nm, which is ideal for optoisolator operation. The light emitted by the LED is transmitted through the device to the phototransistor, which is located at the base of the device.

Phototransistor

The phototransistor is the sensing element of the SFH617A-2X019 optoisolator device. It is a transistor that consists of a base, emitter and collector. The collector is connected to an external load, and the base is connected to a constant voltage. When the LED emits light, it passes through the phototransistor, triggering it and allowing current to flow through the external load.

Working Principle

The working principle of the SFH617A-2X019 optoisolator device is simple. When the LED is triggered by an electrical signal, it emits infrared light. This light passes through the device and is received by the phototransistor. The phototransistor is then triggered and allows current to flow through the external load. The SFH617A-2X019 optoisolator device can be used to transfer electrical signals over long distances without interference. It is an ideal solution for applications that require high speed and low power operation. It can be used in a variety of applications such as communications, instrumentation, control, and automation.

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