5962-8978501PC

Output Type:	Darlington
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
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:	2
Part Status:	Active
Packaging:	Tube

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5962-8978501 Optoisolators - Transistor, Photovoltaic Output

Optoisolators, commonly known as optocouplers, are a type of electrical device used to isolate signals between two circuits. This isolation helps to prevent unpredictable interactions between the two circuits, while still allowing signal transfer. The 5962-8978501 optoisolator, specifically, is a type that features a transistor and photovoltaic output. Understanding how they work is important when considering their usage.

The primary component of the optoisolator is the LED. LEDs are comprised of two electrodes—the anode and the cathode—which make up the contrast between a voltage-gated rectifier and a current-controlled device. When a voltage is applied to one of the electrodes, light will be emitted from the LED in the optical output. This light is then converted into a digital or analogue signal, depending on the circuit, using a photo detector such as a photodiode or a phototransistor.

The 5962-8978501 optoisolator also uses a transistor as its primary component, which functions differently than an LED. A transistor is a three-terminal device that can be used for both ON/OFF switching and for amplifying signals. A transistor works by allowing current to flow through one of the terminals, called the collector, while the other two, called the emitter and the base, control the flow from the collector. In the 5962-8978501 optoisolator, the Light Emitting Diode (LED) is the input and the transistor is the output, allowing the transfer of digital or analogue signals between circuits while maintaining their isolation.

The 5962-8978501 optoisolators also contains a photovoltaic output, which is used to significantly reduce the power usage of the optoisolator and also increase its speed. A photovoltaic effect occurs when light, usually in the form of photons, is used to create electrical current. This means that, rather than using a two-electrode device like an LED, the current is generated using only the LED’s optical output. This increases the speed of the optoisolator while drastically reducing its power consumption.

The 5962-8978501 optoisolator is a useful device and has multiple applications, such as providing a control or feedback signal in an industrial process, controlling LEDs, LCDs, and solenoids, and ensuring that there is no electrical communication between two separate circuits. Understanding the principle of how the device works is the key to success when using optoisolators in any design, and understanding how the 5962-8978501 optoisolator works is a great place to start.

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