JJ - 2A3-40W

AF triode. Socket: 4-pin ceramic, Uf = 2.5V, If = 2.5A. Characteristic: Ua = 250V, Ug = -45V, Ia = 60mA, S = 5,25mA / V, m = 4,2, Ri = 800Ohm, limits: Ua = 450V, Wa = 40W, Ia = 100mA. Capacitance: cg1 = 17pF, ca = 11pF, cg1-a = 7.5pF. Dimensions (H / H with pins x diam.): 145/165 x 62 mm