PC817 - EL817 - High Density Photocoupler transistor Optocoupler - DIP-4

PC817 / EL817 High-Density Photocoupler Optocoupler - DIP-4

The PC817/EL817 is a versatile high-density optocoupler designed for robust optical isolation. It effectively separates input and output stages using an infrared LED and a silicon phototransistor. Housed in a compact DIP-4 package, it's perfect for through-hole PCB assemblies. This component ensures safe and efficient signal transfer in sensitive circuits. It's widely used in microcontroller interfaces, switching power supplies, and industrial control systems. With reliable performance and a high isolation voltage of 5,000 Vrms, it guarantees secure signal integrity. Engineers trust the PC817/EL817 for stable and safe electronic designs across different voltage domains.

Specifications:

• Brand: Everlight
• Model: EL817
• Package Type: DIP-4
• Input Type: Infrared LED
• Output Type: NPN Phototransistor
• Isolation Voltage: 5,000 Vrms (typical)
• CTR (Current Transfer Ratio): 50% to 600% (depending on part bin)
• Operating Temperature: -55°C to +110°C
• RoHS Compliant: Yes

Key features and benefits:

• High-density optical isolation for safe and effective signal transfer.
• Compact DIP-4 package for space-saving through-hole PCB assembly.
• Reliable NPN phototransistor output for consistent digital or analog interfacing.
• Low input current, ideal for energy-efficient and low-power applications.
• High isolation voltage of 5,000 Vrms (typical) for enhanced safety.
• Wide operating temperature range from -55°C to +110°C.
• RoHS compliant, ensuring environmental safety standards are met.

Applications:

• Microcontroller signal isolation and interfacing.
• Switching power supplies and AC adapters.
• Signal coupling in industrial control systems and automation.
• Input/output interface protection in sensitive circuits.
• Integration into consumer electronics and appliances.

Package Includes:

*Image shown is a representation only.

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