 |
| Identical to |
KF3
= TKF3
= BEP61
= S209
|
| Similar
Tubes |
VP2B (other base and data slightly different)
VP2D (other base and data slightly different)
KF3G (other base)
KF3_British (other base)
KF8 (different connections)
2k2m (other base and data slightly different)
|
| First Series |
Feb.1936 Tube leaflet collection E.Erb Analysis by original leaflets (T7, V8) |
| First Source
(s) |
Jan.1936 : Funk, Die Zeitschrift des Funkwesens 1936 #1
|
| Predecessor Tubes |
KF2
KF8
|
| Successor Tubes |
DF21
DF22_9pin
|
|
| Base |
Europe side contact base P (P8A) (Codex=Su)
Top contact with a cap
|
| Filament |
-: Direct /
-: Battery = /
If: 0.05 Ampere /
Vf 2 Volts /
|
| Description |
Kappe: g1; Anode: 135V, 2mA; Schirmgitter: 135V, 0,6mA; Steuergitter: -0,5...-15V; Steilheit: 0,65...0,002mA/V
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
JR
Jacob Roschy
|
|
Prüfkarte Röhrenprüfgerät W 18N
Jörg Kulbe
|
|
RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
|
|
|
