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The HCPL-817-00CE is an optocoupler manufactured by AVAGO Technologies (now part of Broadcom Inc.). Below are its key specifications, descriptions, and features:

Specifications:

• Isolation Voltage: 5 kV RMS
• Current Transfer Ratio (CTR): 50% (min) at 5 mA forward current
• Input Forward Current (IF): 20 mA (max)
• Reverse Voltage (VR): 6 V
• Output Collector-Emitter Voltage (VCEO): 35 V
• Collector Current (IC): 50 mA (max)
• Switching Speed: 18 μs (turn-on), 50 μs (turn-off)
• Operating Temperature Range: -30°C to +100°C
• Package Type: 4-pin DIP

Descriptions:

• The HCPL-817-00CE is a phototransistor-based optocoupler designed for signal isolation in electronic circuits.
• It consists of an infrared LED optically coupled to a phototransistor in a single package.
• Used for noise immunity, voltage level shifting, and signal isolation in industrial, automotive, and consumer applications.

Features:

• High isolation voltage (5 kV) for safety compliance.
• Compact DIP package for easy PCB mounting.
• Reliable performance across a wide temperature range.
• Low power consumption with high CTR for efficient signal transfer.
• UL, CSA, and IEC/EN/DIN EN 60747-5-2 certified for safety standards.

This optocoupler is commonly used in power supplies, motor control, and digital logic isolation applications.

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