PC817 4-DIP Optocoupler Photocoupler – 10 to 50 Pack
PC817 4-DIP Optocoupler Photocoupler – 10 to 50 Pack
PC817 4-DIP Optocoupler Photocoupler – High Density Mounting Type
Get reliable signal isolation with the PC817 (PC817C / EL817C / LTV817) 4-pin DIP Optocoupler. Available in convenient bulk packs of 10 to 50 pieces, these photocouplers are a go-to component for hobbyists, engineers, and electronics enthusiasts who need dependable electrical isolation between circuit stages.
Why Choose the PC817 Optocoupler?
- Proven, industry-standard design – Compatible with PC817, 817, PC817C, EL817C, LTV817, and PC817-1 specifications
- High Density Mounting Type – 4-pin DIP package designed for easy PCB integration and high-density board layouts
- Electrical isolation – Optically isolates input and output circuits, protecting sensitive components from voltage spikes and noise
- Switch-type operation – Ideal for switching applications, microcontroller interfaces, and signal level conversion
- Brand new condition – Every unit is new and ready for use straight out of the pack
- Bulk value packs – Choose from 10, 20, 30, 40, or 50-piece quantities to suit your project needs
- No high-concern chemicals – Safe and compliant for standard electronics use
Typical Applications
- Microcontroller and MCU interface circuits
- AC/DC power supply feedback and control
- Signal level shifting and voltage isolation
- Relay driver circuits
- Switching power supplies and inverters
- Industrial control systems
Product Specifications
| Model | PC817 / PC817C / EL817C / LTV817 / PC817-1 |
| Package Type | 4-Pin DIP (High Density Mounting) |
| Type | Switch Optocoupler / Photocoupler |
| Condition | New |
| Quantity Options | 10 / 20 / 30 / 40 / 50 pcs |
| Country of Origin | Made in Mainland China |
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What are PC817 optocouplers commonly used for in electronics projects?
A: PC817 optocouplers are widely used for electrical isolation between two circuit sections. Common applications include microcontroller signal interfaces, switching power supply feedback loops, relay driver circuits, and AC/DC voltage isolation. Their 4-pin DIP package makes them straightforward to integrate into standard PCBs.
Q: Are these PC817 components compatible with LTV817 and EL817C equivalents?
A: Yes. The PC817, PC817C, EL817C, LTV817, and PC817-1 are functionally equivalent optocoupler variants sharing the same 4-pin DIP pinout and electrical characteristics. They can generally be used interchangeably in most circuit designs that call for any of these part numbers.
Q: How many pieces are included in each pack?
A: You can select your preferred quantity — packs are available in 10, 20, 30, 40, or 50 pieces — making it easy to stock up for prototyping, production runs, or general-purpose electronics work.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.