6N137 / VO2601 / 11 / VO2630 / 31 / VO4661 is a 10 Mbd optocoupler from Vishay Semiconductors with high EMC performance, high speed, low input current capability and reinforced insulation. The product is widely used in microprocessor system interface, PLC and ATE input/output isolation, computer peripheral interface, digital fieldbus isolation, high speed A/D and D/A conversion, AC plasma display panel, level shifting, multiplexed data transmission, digital control power supply and ground loop elimination.
The 6N137 family and its related part numbers are high‑speed optocouplers designed for microprocessor system interfaces, PLC isolation, digital fieldbus, high‑speed A/D and D/A conversion, and other applications requiring fast, low‑leakage isolation. They are available in single‑channel (DIP‑8, SMD‑8) and dual‑channel (DIP‑8, SMD‑8) configurations and meet RoHS, UL1577 and IEC safety standards.
Key specifications include propagation delays as low as 20 ns, typical forward voltage of 1.4 V, reverse voltage rating of 5 V, supply voltage range 4.5‑5.5 V, and operating temperature from –40 °C to +100 °C. Recommended external components include a 0.1 µF bypass capacitor between pins 5 and 8. Package dimensions and safety ratings are detailed in the datasheet.
| Propagation delay (tPLH) typical | 20 ns |
|---|---|
| Propagation delay (tPHL) typical | 25 ns |
| Forward voltage (VF) typical | 1.4 V |
| Supply voltage (VCC) range | 4.5 – 5.5 V |
| Operating temperature range | -40 °C to +100 °C |
| Recommended bypass capacitor | 0.1 µF between pins 5 and 8 |
The typical propagation delay (tPLH) for the 6N137 is 20 ns.
A 0.1 µF bypass capacitor should be placed between pins 5 and 8.