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E428

Philips
Part Number E428
Manufacturer Philips
Description Triode
Published Jul 30, 2016
Detailed Description E428 PHILIPS Triode Dimensions (mm) Heating indirect, AC or DC, parallel 97 x 50 Vf (V) If (A) 4 1 a gm k f1 f2 f1 ...
Datasheet PDF File E428 PDF File

E428
E428


Overview
E428 PHILIPS Triode Dimensions (mm) Heating indirect, AC or DC, parallel 97 x 50 Vf (V) If (A) 4 1 a gm k f1 f2 f1 k,m 3 a1 5 4g Base O 2 f2 Typical characteristics Va (V) Ia (mA) Vg1 (V) µ S (mA/V) Ri (kΩ) 200 6 -3.
5 28 2.
4 11.
5 FP 1999.
08.
09 1/2 E428 PHILIPS Operating characeristics Vb (V) Ra (kΩ) Rk (kΩ) Rg1 (kΩ) Rg1’ (kΩ) Vo (V) Vo/Vi 200 250 7 1000 1000 10 20 FP 1999.
08.
09 2/2 ...


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