4N40 Optocoupler

4N40 Optocoupler

The 4N40 Optocoupler is a 5-pin DIP device. It provides reliable signal isolation. This part is perfect for engineers and hobbyists. It protects sensitive circuits from high voltages. Use it in power supplies and control systems.

The 4N40 Optocoupler works by using light to transfer signals. An infrared LED inside converts electrical input into light. A phototransistor then receives this light. It converts it back into an electrical output. This process creates complete electrical separation. It prevents high voltage spikes from damaging low-voltage parts. The 4N40 Optocoupler also eliminates ground loop issues. This is common in complex systems with multiple power sources. It ensures clean and accurate data transmission. You can rely on it for long-term stability. It handles continuous operation without performance loss. The 4N40 Optocoupler is a robust solution for isolation needs.

This optocoupler uses an infrared LED and a phototransistor. It transfers signals without electrical contact. This ensures clean data transfer. It blocks noise and ground loops. The 4N40 Optocoupler works with DC signals up to 30V.

Key Features

• 5-pin DIP package for easy PCB mounting
• High isolation voltage of 5000V RMS
• Wide operating temperature range from -40°C to 100°C
• Low input current requirement of just 10 mA
• Fast switching speed for reliable data transfer
• RoHS compliant and lead-free for safe use

What's Included

• One 4N40 Optocoupler in anti-static packaging
• Product datasheet with full specifications
• Electra Store quality guarantee card
• Free shipping on all orders over $25

Use Cases

The 4N40 Optocoupler is ideal for many buyers. Engineers use it in industrial automation systems. It isolates PLC inputs from high-voltage motors. Medical device designers trust it for patient safety. It prevents electrical shock in monitoring equipment. Hobbyists and makers use it in Arduino projects. It protects microcontrollers from back EMF. Power supply designers use it for feedback loops. It ensures stable voltage regulation. The 4N40 Optocoupler is also great for audio equipment. It eliminates hum from ground loops. Anyone building reliable electronics needs this part.

Who It's For

This component suits professionals and beginners alike. Students learn circuit isolation with it. Repair technicians use it in power supply fixes. Robotics enthusiasts integrate it into motor drivers. The 4N40 Optocoupler fits any project requiring safety. It is a must-have for your parts kit.

Buy the 4N40 Optocoupler today from Electra Store. It offers reliable isolation for your designs. Order now for fast shipping and great support. Upgrade your project with this trusted component. Do not wait. Secure your 4N40 Optocoupler now. It will make your circuits safer and more efficient. Click to order and get it delivered quickly.