HCPL-0661-500E

The HCPL-0661-500E is an optocoupler manufactured by Broadcom Inc., designed for high-speed data communication and isolation in electronic circuits. This component is particularly useful in applications where electrical isolation is necessary to protect sensitive components from high voltages or noise.

Key Features:

1. Isolation Voltage: The HCPL-0661-500E offers a high isolation voltage, typically rated at 5000 Vrms, ensuring that the input and output sides are electrically isolated from each other. This is crucial for protecting low-voltage circuits from high-voltage spikes.

2. Data Rate: This optocoupler supports high-speed data transmission, with a typical data rate of up to 10 Mbps. This makes it suitable for applications requiring fast signal transfer, such as in communication systems and data acquisition.

3. Input and Output Configuration: The device features a photodiode and a phototransistor configuration. The input side consists of an LED that, when activated, emits light. This light is detected by the phototransistor on the output side, allowing for signal transfer without direct electrical connection.

4. Temperature Range: The HCPL-0661-500E is designed to operate over a wide temperature range, typically from -40°C to +100°C, making it suitable for various environmental conditions.

5. Package Type: The optocoupler is available in a compact 8-pin DIP (Dual In-line Package) form factor, which facilitates easy integration into circuit boards and helps save space in electronic designs.

6. Low Input Current: The device requires a low input current to operate, which enhances its efficiency and reduces power consumption, making it ideal for battery-operated devices.

7. Applications: The HCPL-0661-500E is commonly used in industrial automation, power supply feedback, data communication interfaces, and other applications where signal isolation is critical.

Electrical Characteristics:

• Forward Voltage (Vf): Typically around 1.2V at a specified forward current.
• Collector-Emitter Voltage (Vce): Maximum rating is usually around 30V.
• Current Transfer Ratio (CTR): This parameter indicates the efficiency of the optocoupler, with typical values around 100% to 600% depending on the specific conditions.

Conclusion:

The HCPL-0661-500E from Broadcom Inc. is a versatile and reliable optocoupler that provides excellent performance in high-speed data communication while ensuring electrical isolation. Its robust design and wide range of applications make it a popular choice among engineers and designers in various electronic fields.