The Telefunken K102P is an optically coupled isolator featuring a GaAs emitting diode and a silicon NPN planar phototransistor. It provides galvanic isolation for non‑interacting switches and circuits, with a high DC isolation test voltage and low coupling capacitance.
The document lists electrical characteristics such as reverse voltage, forward current, power dissipation, and switching times, as well as mechanical dimensions, pin connections, and environmental ratings for reliable operation in a range of temperatures.
| DC isolation test voltage | 4.4 kV |
|---|---|
| Typical coupling capacitance | 0.3 pF |
| Reverse voltage (Ve) | 5 V |
| Forward current (If) | 60 mA |
| Forward surge current | 1.5 A |
| Junction temperature max | 126 °C |
| Collector‑base voltage (Vcbo) | 60 V |
| Collector‑emitter voltage (Vceo) | 32 V |
| Emitter‑collector voltage (Eco) | 7 V |
The K102P provides a DC isolation test voltage of 4.4 kV.
Its typical coupling capacitance is 0.3 pF.
The device can handle a forward current of up to 60 mA.