The TLP651 is a GaAs high‑output light‑emitting diode optocoupler packaged in an 8‑lead DIP. It offers digital logic isolation with a typical isolation voltage of 5000 V and includes internal base connections for analog applications. The document lists pin configurations, UL and BSI certifications, and a schematic overview of the device.
Detailed electrical characteristics are given, including maximum ratings, forward and reverse currents, output voltage ranges, propagation delays, and temperature limits. Test circuits for switching time and common‑mode noise immunity are described, followed by a section on product‑use restrictions that advises against use in safety‑critical equipment such as medical or aerospace systems.
| Isolation Voltage | 5000 V (minimum) |
|---|---|
| Forward Current | 25 mA |
| Output Current | 8 mA |
| Output Voltage | 0.5 V – 15 V |
| Propagation Delay (tPHL) | 0.3 µs (typ) |
| Propagation Delay (tPLH) | 0.548 µs (typ) |
| Operating Temperature Range | -55 °C – 100 °C |
| Storage Temperature Range | -55 °C – 125 °C |
| Diode Power Dissipation | 45 mW |
The device is rated for a minimum isolation voltage of 5000 V.
It can operate from –55 °C up to 100 °C.
The maximum forward current is 25 mA.
Yes, the device is not intended for use in equipment where failure could cause loss of life or injury, such as medical, aerospace, or safety‑critical systems.