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PC817X2NSZ2B
+Lista de MateriaisTransistor Output Optocouplers
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Especificações
| Atributo | Valor |
Visão Geral
Description
Key features include:
1. Phototransistor Output: It comprises an infrared LED on the input side and a phototransistor on the output side.
2. Isolation Voltage: Provides a high isolation voltage, typically around 5000 Vrms, which enhances safety and reliability.
3. Compact Package: Typically housed in a four-pin DIP (Dual Inline Package), making it easy to integrate into circuit boards.
4. Applications: Used in power supplies, microprocessor systems, signal isolation, and motor control circuits.
The PC817 series is valued for its reliability, ease of use, and ability to provide effective isolation in various electronic applications.
Equivalent
1. LTV-817 from Lite-On
2. EL817 from Everlight Electronics
3. SFH 615A from Vishay
4. TLP521 from Toshiba
5. H11AA1 from ON Semiconductor
These alternatives offer similar functionality, serving as optoisolators for various applications. Always verify specific datasheet parameters to ensure compatibility with your application.
Features
1. Input: It has an infrared LED as the input emitter.
2. Output: The output is a phototransistor, which detects the infrared light emitted by the LED.
3. Isolation Voltage: It offers a high isolation voltage between the input and output, typically around 5000 Vrms.
4. CTR (Current Transfer Ratio): The typical CTR ranges from 50% to 600%, indicating the efficiency of the input current being transferred to the output current.
5. Compact Package: It is available in a compact 4-pin DIP package with dimensions suitable for densely populated PCBs.
6. Temperature Range: The device is capable of operating within a wide temperature range, usually from -30°C to +100°C.
7. Applications: Commonly used for signal isolation, interfacing, and noise reduction in various electronic circuits, including power supply and microcontroller interfacing.
This optocoupler is widely used for its reliability and efficiency in electrically isolating circuits while allowing signal transmission.
Pinout
1. Pin 1 (Anode): This is the positive terminal for the input LED. It is connected to the anode of the internal LED.
2. Pin 2 (Cathode): This is the negative terminal for the input LED. It is connected to the cathode of the internal LED.
3. Pin 3 (Emitter): This is the output terminal for the phototransistor's emitter, which is on the output side of the optocoupler.
4. Pin 4 (Collector): This is the output terminal for the phototransistor's collector.
The device is used to electrically isolate different sections of a circuit, preventing high voltages on the output side from affecting the input side.
Manufacturer
Application
1. Switching Power Supplies: Provides isolation between high-voltage and low-voltage sections.
2. Microprocessor System Interfaces: Ensures signal isolation to prevent noise and voltage spikes.
3. Signal Isolation: Used in data communication systems for isolating different signal domains.
4. Industrial Control Systems: Offers protection and isolation between control circuits and high-power equipment.
5. Consumer Electronics: Utilized in various devices for safe interfacing between different functional parts.
6. Telecommunications: Ensures signal integrity and isolation in line interfaces and modems.
These applications leverage the optocoupler's ability to provide electrical isolation and signal transmission across different voltage levels.