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B409 PHILIPS Output Triode Dimensions (mm) Heating direct, AC or DC, parallel 91 x 46 Vf (V) If (A) 4 0.15 a g a1 f1 3 4g f1 f2 Base A 2 f2 ag 23 1 f2 Base G 4 f1 Operating characteristics Limiting Values Vb (V) Ra (k? ) Vg (V) Ia (mA) ยต S (mA/V) Ri (k? ) Wo (W) (d=5%) 250 12 -16 12 9 1.8 5 0.65 Wa max (W) 3 FP 2007.09.
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