TLP385(D4-GRH,E

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Optoisolators, also known as optocouplers, are devices used to isolate electrical signals. They are used to prevent noise from interfering with signals, thereby maintaining signal integrity and preventing cross-talk between devices. TLP385(D4-GRH) is an optocoupler that features a transistor photovoltaic output. It is manufactured by Toshiba and is widely used in industrial and automotive applications.

TLP385(D4-GRH) consists of an IRED (Infrared Emitting Diode) side and a photo-transistor side, both enclosed in a 4-pin DIP package. The device has a high current transfer ratio (CTR) of 400% and a low saturation voltage. Its maximum isolation voltage is 5300Vrms, allowing it to be used in high voltage applications. Furthermore, its dielectric strength is rated at 12000Vrms. This allows it to block high voltage spikes and surges.

At the core, TLP385(D4-GRH) works by optically coupling the input and output sections. The IRECD (Infra-Red Emitting Diode) emits light when a voltage is applied to its anode. This light is then detected by the photo-transistor on the output side which triggers a switch, thereby transmitting the applied voltage to the output. The IRED is typically powered by a voltage of between 2V and 24V.

TLP385(D4-GRH) has many applications in the industrial and automotive markets. In industrial applications, it is used to control motors, fans, relays and solenoids. It can also be used to convert electrical signals from one form to another. In the automotive market, the device is used to isolate ignition systems, fuel injections and power windows. It is also used in ignition systems to sense high voltage spikes and surges.

TLP385(D4-GRH) is an incredibly versatile optocoupler that offers reliable optoelectronic isolation for a wide range of applications. With its high isolation voltage rating and low saturation voltage, it is well-suited for high voltage applications. Additionally, its high current transfer ratio makes it an ideal choice for controlling motors, solenoids and relays. With its wide variety of uses, it is no wonder why TLP385(D4-GRH) is such a popular optocoupler.

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