MOC81063S

Output Type:	Transistor
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	100mA
Voltage - Forward (Vf) (Typ):	1.15V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	1µs, 2µs
Turn On / Turn Off Time (Typ):	2µs, 3µs
Current Transfer Ratio (Max):	150% @ 10mA
Current Transfer Ratio (Min):	50% @ 10mA
Voltage - Isolation:	5300Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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Optoisolators - Transistor, Photovoltaic Output

The MOC81063S is an optoisolator used to electrically isolate two circuits in a variety of applications. It has a high degree of electrical insulation and superior noise immunity. The device is also commonly used to provide galvanic isolation for various serial data applications.

MOC81063S Overview

The MOC81063S consists of a gallium arsenide infrared emitting diode and a silicon planar phototransistor in a 4-pin dual-in-line package. It has a strong immunity against electromagnetic interference, and provides excellent levels of performance and noise immunity.Its maximum collector-emitter voltage of 45V and collector current of 150mA makes it suitable for a wide range of applications. The device also has a minimum coherence time of 1.0 μs, making it suitable for fast digital signal transmission.The optoisolator is also designed with a positive current transfer ratio (CTR), which dictates the current required to drive the LED. The current transfer ration is specified to be at least 400 under its rated conditions of 4.4V at 10mA.

MOC81063S Application Field

The MOC81063S is primarily used in industrial applications such as :- Industrial control systems- Automation systems- Alarm systems- Security systems- Power supplies- Automotive and aerospace navigational systems- Data acquisition systems- Automotive engine control systemsOther applications for the device includes:- Interfacing between digital and analog systems- Pulse shaping- Relay isolation- Digital-to-analog signal conversion- Current sensing- Switched power supplies

MOC81063S Working Principle

The MOC81063S works based on the principle of optocoupling. In this principle, an infrared LED is used to transmit a signal to the device\'s phototransistor, which is configured as a switch. The LED emits a beam of light, which is detected by the phototransistor, triggering an ON-OFF switching action of the transistor. This switching action then signals the other circuit connected to the optoisolator. The LED is connected to the anode while the phototransistor is connected to the cathode. The transistor\'s collector and emitter are connected to the other circuit. When no signal is being transmitted, the collector of the phototransistor is in its OFF state, with no current flowing between its collector and emitter terminals. When a signal is transmitted from the LED, the phototransistor begins to conduct current through its collector and emitter terminals, and the other circuit thus receives the signal.The MOC81063S has a reverse blocking voltage of 40V, making the device suitable for use in a variety of industrial applications. It is also easier to interface with microcontrollers thanks to its TTL compatible output.

Conclusion

The MOC81063S optoisolator is a 4-pin DIP package specifically designed to provide high speed data transfer streams while isolating two circuits from each other. Its robust performance, high reliability, and simple design make it an ideal choice for a wide range of industrial applications. The device is designed with a minimum coherence time of 1.0 μs and its positive CTR makes it particularly suited for fast digital signal transmission.

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