The H11AA1‑H11AA4 family are AC input/phototransistor optocouplers with two GaAs emitters in inverse parallel driving a single silicon phototransistor output. The devices feature bipolar emitter input and built‑in reverse polarity protection.
Typical applications include AC line monitoring, unknown‑polarity DC sensing, and telephone line interfaces. The datasheet lists package dimensions, thermal limits, and detailed electrical parameters such as forward current, breakdown voltages, and insulation ratings.
| Package code | E $171603-02 |
|---|---|
| Forward current (input diode) | 100 mA |
| Peak forward current (1 µs pulse, 300 pps) | 1.0 A |
| Input diode power dissipation | 200 mW |
| Output transistor power dissipation | 300 mW |
| Collector‑emitter breakdown voltage (BVCEO) | 30 V |
| Collector‑base breakdown voltage (BVCBO) | 70 V |
| Emitter‑collector breakdown voltage (BV ECO) | 7 V |
| Withstand insulation voltage | 5300 V |
| Insulation resistance | 10^10 Ω |
| Operating temperature range | -55 °C to 100 °C |
| Storage temperature range | 55 °C to 150 °C |
| Lead temperature (soldering, 10 s) | 260 °C |
The input diode can handle up to 100 mA forward current.
The collector‑emitter breakdown voltage is 30 V.
Typical applications include AC line monitoring, unknown‑polarity DC sensing, and telephone line interfaces.
The device operates from –55 °C up to 100 °C.