The optocoupler 4N25 provides top electrical isolation between the input and output.
It effectively breaks ground loops and eliminates unwanted electrical noise.
It protects sensitive microcontrollers (Arduino, Raspberry Pi, PIC) from dangerous voltage spikes.
The high isolation voltage ensures stable and safe operation in demanding environments.
It allows the connection of low-voltage DC circuits with higher voltage systems or AC loads.
It serves as the first line of defense to protect your equipment from unexpected failures.
Description
Specifications
The 4N25 is a high-quality single-channel optocoupler for complete electrical isolation. It incorporates an infrared emitting GaAs IR LED photodiode and a optically coupled NPN silicon phototransistor. It provides high isolation voltage, protecting sensitive microcontrollers from voltage spikes and electrical noise. Available in a compact DIP-6 package for easy placement on PCB boards and breadboards. It is ideal for industrial automation, switching power supplies, and control systems. Ensures safe signal transfer without physical electrical contact between stages. It is an extremely reliable, tested, and cost-effective solution for any electronic application.
Complete Electrical Insulation & High Protection
The optocoupler 4N25 provides top electrical isolation between the input and output.
It effectively breaks ground loops and eliminates unwanted electrical noise.
It protects sensitive microcontrollers (Arduino, Raspberry Pi, PIC) from dangerous voltage spikes.
The high isolation voltage ensures stable and safe operation in demanding environments.
It allows the connection of low-voltage DC circuits with higher voltage systems or AC loads.
It serves as the first line of defense to protect your equipment from unexpected failures.
High Performance & GaAs IR LED Technology
The interior of 4N25 features an advanced photodiode GaAs IR LED.
It harmoniously combines with a high-sensitivity silicon NPN phototransistor.
Provides an external base connection (Base lead) for precise polarity adjustment and speed.
Offers fast switching response for both digital and analog signals.
Ensures a stable current transfer ratio (Current Transfer Ratio - CTR) for reliable operation.
The robust construction guarantees long-term durability and consistent performance during continuous use.
Easy Integration in DIP-6 Package
The complete circuit is available in standard DIP-6 package (Dual In-line Package with 6 pins).
The Through-Hole design makes mounting on a PCB especially easy.
It is fully compatible with breadboards and test boards for rapid prototyping.
It fits perfectly into standard 6-pin IC sockets with a 0.3" pitch for easy replacement.
It is widely used in switching power supplies (SMPS), relays, and industrial PLCs.
It is a fundamental and essential component for professional engineers and hobbyists.
Manufacturer
- Pieces
- 1 pcs
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.