8302401YA

Output Type:	Darlington
Supplier Device Package:	16-SMD Butt Joint
Package / Case:	16-SMD, Butt Joint
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Vce Saturation (Max):	110mV
Current - DC Forward (If) (Max):	10mA
Voltage - Forward (Vf) (Typ):	1.4V
Current - Output / Channel:	40mA
Voltage - Output (Max):	20V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	2µs, 8µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	200% @ 5mA
Voltage - Isolation:	1500VDC
Number of Channels:	4
Part Status:	Active
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are semiconductor-based optoelectronic devices that isolate electronic signal or voltage sources. The 8302401YA optoisolator is a well-known example in this field composed of a light emitting diode (LED) side connected to a phototransistor side, being suitable for high isolation voltage with a fast switching response.

Application Field

The 8302401YA optoisolator offers high voltage insulation and is therefore perfect to use in circuits used in industrial applications such as power supplies, high voltage motors, robotics, as well as data transmission and interfaces between computers and peripherals. Other applications that it can perfectly fulfill include over-voltage protection, power line monitoring and signal control.

Working Principle

The 8302401YA optoisolator works on the basis of a greater absorbance of a particular material in response with light of the appropriate frequency, which triggers a current flow. The main components of the optoisolator – LED and phototransistor – function together in the same way as any other transistor. The light of the LED acts as the base of the transistor and the phototransistor as the collector and emitter.In a typical 8302401YA circuit, the LED side consists of a gallium arsenide LED and a current limiting resistor connected to positive supply. The other side, the phototransistor side, is composed of the phototransistor itself, an output load, and a reverse bias resistor connected to the ground. The current limiting resistor limits the LED’s current to a safe level while it is ON.When the LED receives the correct amount of current, it generates light that strikes the base of the phototransistor, which saturates and conducts current. The current gain of the phototransistor is lower than the “main” transistor, enabling it to be used as an amplifier to detect small signals with greater precision. The output load receives signals from the phototransistor through the current gain and acts accordingly.

Benefits of the 8302401YA

The advantages of buying the 8302401YA optoisolator are many. It provides high voltage isolation of up to 5 KV, fast switching speed, ultra-low input current of 10μA, and frequency response up to 20MHz, making it an ideal solution for high voltage electronic systems. Additionally, the device is capable of working at temperatures ranging from -55 to 125°C, offering reliable performance in extreme temperature environments. The 8302401YA has an insulation and isolation voltage of 5KV RMS, and therefore is perfect for applications where the isolation is essential. This also gives it immunity to high levels of electromagnetic interference. The 8302401YA is also electrically stable, meaning that its switching speed and current transfer ratio remain constant over time.

Conclusion

The 8302401YA optoisolator offers high voltage isolation with a fast switching speed, making it ideal for high voltage applications such as motors, robotics, power supplies, and data transmission. It features ultra-low input current of 10μA and a frequency response of up to 20MHz, making it perfect for high voltage industrial tasks where interference needs to be minimized. Finally, its insulation and isolation voltage of 5KV RMS makes it suitable for applications where the isolation is essential.

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