Psvane 12AT7-S Art (ECC81)

Prémium ECC81 kettőstrióda párba válogatva. Aranyozott rács és kivezetések, díszdobozban.

Heater

Uf———————6.3(in parallel) 12.6(in series) V
If—————————-0.30 0.15 A

Direct Interelectrode Capacitances
grid to grid———-0.005 PF
plate to plate——————-0.4 PF
grid to plate(single triode) ——-1.5 PF
grid to cathode and filament(single triode)——2.2 PF
plate to cathode and filament(single triode）——0.5 PF
filament to cathode(single triode) ———–2.4 PF
palte to cathode(single triode)———–0.2 PF
cathode to filament and grid(single triode) —–4.6 PF
plate to filament and grid(single triode)——1.8 PF

static parameter

Ua——————–100 250 V
Ia———————3.7 10 mA
Gm——————–4 5.5 mA/V
Rk———————270 200 Ω
u———————-60 60
ri(approx)—————15 10.9 KΩ
Ug(approx)————–—5 —12 V
(when la=10Ua)

class A1.maximum.single triode.

Ua—————–300 V                                                                                                                                                                                              

Pa——— 2.5 W                                                                                                                                                                                                       

Ug—————-—50 V

Uh-k(pk)——–±90 V
Rg
with cathode bias  ————–1 MΩ
with fixed bias ———-0.25 MΩ