Philips B438
Triode / Detector or LF amplifier
| Part No. | B438 |
|---|---|
| Datasheet | B438 Download |
| Manufacturer |  Philips |
| Description | Triode / Detector or LF amplifier |
| Buy | Stock & Price |
B438 PHILIPS Triode, Detector or LF amplifier Dimensions (mm) 83 x 42 Heating direct, AC or DC, parallel Vf (V) If (A) 4 0.1 a g a1 f1 3 4g f1 f2 Base A 2 f2 Capacitances Operating characteristics Cag (pF) Vb (V) Ra (kΩ) Vg (V) Ia (mA) µ S (mA/V) Ri (kΩ) 4 200 200 320 1000 -2.5 -2.5 0.2 0.05 38 38 2.0 2.0 170 400 FP 1999.08.26 1/1