ECC81
ECC81
ECC81
ECC81
ECC81
ECC81
$39.9-399
EXW
MOQ:
10 pairs
Quantity(pieces):
2
Product details
FAQ
Essential details
Quantity(pieces):2
MOQ:10 pairs
Lead time:3-5 days after receipt of deposit and confirmed artwork all the details.
Product Introduction
Heater Heating
Uh.............................................................6.3 (parallel)      12.6 (series)    V
Ih.............................................................. 0.30           0.15          A

Class A Amplification Limit Values (per side)
Anode Voltage....................................................... 300      V
Grid Voltage....................................................... -50      V
Anode Dissipation Power............................................ 2.5      W
Heater-Cathode Voltage (pk)...................................... ±90     V

Grid Resistance
Self-bias............................................................ 1        MΩ
Fixed Bias....................................................... 0.25      MΩ
Inter-electrode Capacitance
Grid-Grid....................................................... 0.005     pF
Anode-Anode....................................................... 0.4       pF
Grid-Anode (per side)........................................... 1.5       pF
Grid-Cathode, Heater (per side).............................. 2.2       pF
Anode-Cathode, Heater (per side)............................ 0.5       pF
Heater-Cathode (per side)...................................... 2.4       pF
Anode-Cathode (per side)....................................... 0.2       pF
Cathode-Heater, Grid (per side).............................. 4.6       pF
Anode-Heater, Grid (per side)............................... 1.8       pF

Static Parameters
Ua ........................................................... 100      250       V
Ia............................................................. 3.7       10       mA
Gm........................................................... 4           5.5      mA/V
Rk............................................................ 270      200       Ω
μ.............................................................. 60         60
ri (approx) .............................................. 15         10.9       kΩ
Ug (approx) .............................................-5          -12       V
(When Ia = 10 μA)

Product details
ECC81
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