Witaj,
wg schematu P6KA18

Vishay Semiconductors
formerly General Semiconductor
Breakdown Voltage Stand-off
Device Type Min Max (A) (V) ID(μA) ID(μA) (A) VC(V) (% / °C)
P6KA18 16.2 19.8 1.0 14.5 1.0 5.0 22.6 26.5 0.088

Pozdrawiam,
Waldek.