4N25 Optocoupler Phototransistor Output DIP-6
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 RAM ElectronicsCheapest | Optocoupler 4N25 | 5 EGP | View in store |
 Most Electronics | OptoCoupler 4N25 | 6.9 EGP8.56 | View in store |
 Makers Electronics | 4N25 80V Photovoltaic Output Optoisolator (Manufacturer : EVERLIGHT Electronics ) | 7.5 EGP | View in store |
 Circuits Electronics | 4N25 Optocoupler | 9 EGP | View in store |
 UGE | 4N25 OptoCoupler Optoisolator DIP IC | 17.1 EGP | View in store |
 Future Electronics | 4N25 6 Pin PhotoTransistor Optocoupler | 55 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 5 EGP
About this product
The 4N25 is an optocoupler that pairs an infrared LED with a phototransistor in a 6-pin DIP package. It transfers a signal across electrical isolation rated at 5300 Vrms, which is used to separate a microcontroller from higher-voltage or noisy circuits.
Specifications
- Input element
- Infrared LED
- Output element
- Phototransistor
- Package
- 6-pin DIP
- Isolation voltage
- 5300 Vrms
- Collector-emitter voltage (VCEO)
- 30 V
- Current transfer ratio (CTR)
- min 20% at IF = 10 mA
Frequently asked questions
What is the price of 4N25 Optocoupler Phototransistor Output DIP-6 in Egypt?
4N25 Optocoupler Phototransistor Output DIP-6 currently costs between 5 and 55 EGP across 6 offers in Egypt.
Where can I buy 4N25 Optocoupler Phototransistor Output DIP-6 in Egypt?
4N25 Optocoupler Phototransistor Output DIP-6 is available from RAM Electronics, Most Electronics, Makers Electronics, Circuits Electronics, UGE, and Future Electronics. Compare the offers above to find the best price.
How do I wire the 4N25 to a microcontroller input?
On the input side, connect pin 1 (anode) through a series resistor to the drive voltage and pin 2 (cathode) to the driving signal or ground. On the output side, connect pin 5 (collector) through a pull-up resistor to the logic supply and pin 4 (emitter) to ground, then read the signal at the collector.
Can I substitute a similar optocoupler such as the 4N35?
Similar part numbers can differ in current transfer ratio, isolation rating and pin details. Do not substitute without checking the datasheet of the exact part, especially the CTR and the pinout.
