The TLP209D is a photocoupler consisting of an infrared emitting diode optically coupled to a photo-MOS FET in a plastic SOP package. Its characteristics include low OFF-state current and low output pin capacitance, enabling it to be used in high-frequency measurement instruments.
The TLP209D is a gallium‑arsenide infrared emitting diode optically coupled to a photo‑MOSFET in an SOP‑8 package. Its low off‑state current and low output capacitance make it suitable for high‑frequency measurement instruments.
The document lists absolute maximum ratings, recommended operating conditions, individual and coupled electrical characteristics, isolation and switching specifications, as well as usage restrictions and safety notes for designers.
| Peak Off‑State Voltage | 200 V (min) |
|---|---|
| Trigger LED Current | 3 mA (max) |
| On‑State Current | 50 mA (max) |
| On‑State Resistance | 50 Ω (max) |
| Output Capacitance | 20 pF (max) |
| Isolation Voltage | 1500 Vrms (min) |
The maximum forward current (IF) is 50 mA.
The recommended operating temperature range is –20 °C to 60 °C.