A425 Datasheet (data sheet) PDF





A425 Datasheet, Triode 1999

A425  

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A425 PHILIPS Triode, Detector or LF amp lifier Dimensions (mm) 83 x 42 Heati ng direct, AC or DC, parallel Vf (V) I f (A) 4 0.065 a g a1 f1 3 4g f1 f2 Base A 2 f2 Capacitances ag 23 14 f2 Base G f1 Cag (pF) 3 Operating characteristics Vb (V) Ra (kΩ) Vg ( V) Ia (mA) µ S (mA/V) Ri (kΩ) 200 3 20 -2.5 0.25 25 1.2 80 200 1000 -2.5 0 .1 25 1.2 250 FP 1999.08.26 1/1








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