2x NOS 6F3P 6Ф3П ~6BM8 ~ECL82 triode-pentode / Matched Pair / Different dates
Svetlana factory matched pair tested on L3-3, similar to 6BM8/ECL82 triode-pentode combo
$11.47
| Brand: | Svetlana |
| Model/SKU: | 6F3P |
| Type: | Beam Power Tube |
| Condition: | New (Open Box) |
| Availability: | In Stock (9 available) |
Product Details
NOS 6F3P USSR Svetlana Triode-Pentode tubes.
Two tubes in one lot (matched pair).
All tubes are in great condition, tested and matched according to their parameters.
Tested on L3-3 tester
The 6F3P triode-pentode is designed to work in ULF and frame scan units of television receivers, in conversion stages of superheterodyne receivers.
Pin assignment 6F3P:
1 mesh triode
2 pentode cathode
3 first mesh pentode
4 glow 5 glow
6 pentode anode
7 second mesh pentode
8 cathode triode
9 anode triode
The 6F3P tube is made in a 9-pin glass finger housing and works in any position. Indirectly heated oxide cathode.
General parameters of 6F3P lamp:
Filament voltage 6.3 ± 0.6V
Filament current 850 ± 80mA
Maximum power dissipation 4.5W
Capacitance between the anodes 0.02pF
Service life> 500h
Weight 20g
Parameters of 6F3P tube triode:
Nominal anode voltage 170V
Anode voltage maximum 250V
Grid voltage nominal -1.5V
Anode current 2.5 ± 1.2mA
Cathode current limiting 15mA
Anode power, limit 1.0W
Slope 2.5 ± 1.2mA / V
Gain about 75
Limiting resistance in the grid chain: at a fixed offset with automatic offset 1.0MΩ 3.0MΩ
Input capacitance 2.2pF
Output capacitance 0.4pF
Throughput capacity 3.7pF
Parameters of 6F3P tube pentode:
Nominal anode voltage 170V
Anode limit voltage 275V
Anode current 41 ± 13mA
Cathode current limit 60mA
The nominal voltage of the first grid is -11.5V
Second grid voltage nominal 170V
Second grid limit voltage 250V
Maximum power at the anode 8W
Maximum power on the second grid 2.5W
Second grid current 14mA Slope 7 ± 2mA / V
Maximum resistance in the first mesh circuit: at a fixed offset with automatic offset 0.5MΩ 1.0MΩ
Internal resistance 15Com
Input capacitance 9.3pF
Output capacitance 8.5pF
Throughput capacity 0.3pF