1. This is a rectifier diode from Diotec with a 5KP11CA type designation.
2. It has a maximum current rating of 1.0 Amp, a peak repetitive reverse voltage of 6kV, and a non-repetitive peak surge reverse voltage of 8kV.
3. It has a total forward voltage drop of 1.15V and a maximum reverse current of 5mA.
4. Its case is composed of silicone for electrical insulation and flame-resistant capacity.
5. It is used for high voltage protection of circuits from transients and overvoltage conditions.