ECC81 - 12AT7, 6201 4 ECC81 A. F. DOUBLE TRIODE Base: NOVAL Uf = 6,3 or 12,6 V If = 300 or 150 mA Typical characteristic: Ua = 250 V Ia = 10 mA Ug = -2 V S = 5,5 mA/V µ = 60 Ri = 11 kΩ Limiting values: Ua = 300 V Wa = 2,5 W Ik = 15 mA Ug = -50 V Uk/f = 90 V Rg = 1 MΩ Dimension and connections: www.jj-electronic.sk 5 .
