A. F. DOUBLE TRIODE Base: NOVAL Uf = 6,3 V or 12,6 V If = 300 or 150 mA Typical characteristic: Ua = 250 V Ug = -4 V Ia =3,0 mA S =1,75 mA/V Ri = 22,8 Ω
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Data sheets 12AY7: