HCPL-817-300E

The HCPL-817-300E is a general-purpose optocoupler designed for electrical isolation between components in electronic circuits. It typically consists of an infrared LED and a phototransistor encased in a compact 4-pin DIP package. When current passes through the LED, it emits infrared light, which is then detected by the phototransistor on the other side. This allows for signal transmission without direct electrical connection, providing isolation that protects components and systems from high voltage surges and noise.
The HCPL-817-300E is commonly used in applications such as microcontroller interface, signal isolation, and switching power supplies. It features a high CTR (Current Transfer Ratio), ensuring efficient signal coupling. The device is recognized for its reliability, wide operating temperature range, and compliance with safety standards, making it suitable for various industrial and consumer electronics applications. Its simplicity and effectiveness in providing electrical isolation make it a staple in many electronic designs.

The HCPL-817-300E is an optocoupler used for isolating different sections of a circuit. Equivalent products include the LTV-817, PC817, EL817, and TLP521-1. These components are functionally similar, offering isolation between input and output through an LED-phototransistor pair, and are used in applications such as signal transmission and switching. Always verify the specific requirements, such as CTR (current transfer ratio) and package type, before making substitutions.

The HCPL-817-300E is an optocoupler featuring a phototransistor output. It is designed for applications requiring electrical isolation between input and output. Key features include:
1. High Isolation Voltage: It provides a high isolation voltage of up to 5000 Vrms, ensuring effective separation of input and output circuits.
2. Compact Package: The device is housed in a compact 4-pin DIP package, making it suitable for space-constrained applications.
3. High Transfer Ratio: The current transfer ratio (CTR) ranges from 50% to 600%, providing flexibility in design.
4. LED Input: It uses a gallium arsenide infrared LED for input, ensuring efficient signal transmission.
5. Phototransistor Output: The output side features a phototransistor, which enables easy interfacing with various electronic circuits.
6. Wide Operating Range: It supports a wide operating temperature range from -55°C to +110°C, suitable for diverse environmental conditions.
7. Compliance: The HCPL-817-300E is RoHS compliant, aligning with environmental regulations.
These features make the HCPL-817-300E suitable for applications like signal isolation, switching power supplies, and microprocessor system interfaces.

The HCPL-817-300E is an optocoupler with a 4-pin configuration. It is used to transfer electrical signals between two isolated circuits by using light. The device consists of a light-emitting diode (LED) on the input side and a phototransistor on the output side.
Pin functions:
1. Pin 1 (Anode): This pin is connected to the anode of the internal LED.
2. Pin 2 (Cathode): This pin is connected to the cathode of the internal LED.
3. Pin 3 (Emitter): This pin is connected to the emitter of the phototransistor.
4. Pin 4 (Collector): This pin is connected to the collector of the phototransistor.
The primary function of the HCPL-817-300E is to provide electrical isolation between input and output, which is crucial for protecting sensitive components and ensuring safety in electronic circuits. Its typical applications include signal isolation, power supply regulation, and interfacing between different voltage levels.

The HCPL-817-300E is an optocoupler manufactured by Broadcom Inc. Broadcom is a global technology company that designs, develops, and supplies a broad range of semiconductor and infrastructure software solutions. The company's products serve various markets, including data center, networking, software, broadband, wireless, and industrial sectors. Known for its innovations in digital and mixed-signal semiconductor devices, Broadcom is a leader in providing components and systems that enhance the performance of electronic devices and networks.

The HCPL-817-300E is an optocoupler used in various applications, including:
1. Signal Isolation: Provides electrical isolation between different circuit sections to prevent high voltages from affecting lower voltage components.
2. Switching Power Supplies: Used for feedback in switched-mode power supplies for isolation and control.
3. Microcontroller Interfacing: Allows safe interfacing between microcontrollers and higher voltage components.
4. Motor Control: Ensures isolation in motor drive applications to protect sensitive control circuitry.
5. Data Communication: Facilitates isolated data transfer between systems.
6. Industrial Automation: Used in sensors and control circuits for safe operation in industrial environments.
These applications leverage the device's ability to provide electrical isolation and signal transfer between circuits.

The HCPL-817-300E is housed in a 4-pin dual in-line package (DIP). This configuration is commonly used for optocouplers, providing straightforward through-hole mounting on printed circuit boards.