![]() This allows the first circuit to control the second circuit. The first circuit will connect across the first two pins (pin 1 and 2), while the second circuit will connect to the last two pins (pin 3 and 4). Nevertheless, the optocoupler is essentially a solid-state relay that interconnects two separate electronic circuits. Accordingly, we use it to identify the type of optocoupler and also find the manufacturer’s datasheet. The body also contains some text bearing the optocoupler’s part number. It allows us to identify the different pins. The first pin is the anode, the second is the cathode, the third is the collector, and the fourth is the emitter.Īdditionally, there is a circular indentation on the corner of the main body near the first pin. ![]() Generally, the most basic types consist of a rectangular body with four pins. Nevertheless, optocouplers are integrated electronic components. Some people may even refer to them as options. You may refer to it as an optoisolator, photocoupler, optical coupler, optical isolator, or just optocoupler. ![]() In it, we’ll explore the optocoupler, its various types, and how it can benefit you and your project. This is what the following guide hopes to elucidate. With all the PCB components and options available on the market, it’s hard to decide which will suit your project the best.įor instance, you may be wondering what an optocoupler does and how it is different from any other relay. What is An Optocoupler,As a PCB designer, engineer, or hobbyist, you have a wide variety of switches, relays, and couplers to customize your PCB. ![]()
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