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811A PSVANE (VT217 / CV628 / CV5043)

€26.40 *

*Prices incl. VAT plus shipping costs

In Stock

Standard Matching:

  • NN611
  • 6x6x17 cm
  • 0.05 kg
  • 4251594912491
  • ROHS COMPLIANT
811A PSVANE (VT217 / CV628 / CV5043) used in:   AMERITRON AL-811 series AL-811XCE and... more
Product information "811A PSVANE (VT217 / CV628 / CV5043)"
811A PSVANE (VT217 / CV628 / CV5043)
used in:  

AMERITRON AL-811 series AL-811XCE and AMERITRON AL-811HXCE

 

811A is direct-heated type thorium tungsten cathode high µ triode, can be used as high-frequency oscillation power amplification.

811 is similar to 811A, the 811A can always replace a 811.

 
Heater
Uf--------------------------------------6.3 V
If---------------------------------------4 A
Maximum Rating
Ua--------------------------------------1250 V
Ia---------------------------------------125 mA
Pa--------------------------------------40W
grid current---------------------------50 mA
 
Operating frequency and Ua
When the operating frequency above 30MC, Ua and anode input power should be reduced as follows:
Operating frequency(MC) Ua and anode input power
60 89%
80 70%
100 55%
 
When it is in constant working, the anode should not be allowed to have slight red; when in interrupted working, it should only be allowed to have perceptible slight red.
Direct Interelectrode Capacitances
Input--------------------------------------5.5 PF
output--------------------------------------0.6 PF
Grid to plate……………………………………………..5.5 PF
Static parameter:
Ua……………………………………………………….2000 V
-Ug……………………………………………………...2 V
Ia………………………………………………………26 mA
µ(Ia=20mA)……………………………………..160
 
Maximum rating in other operating conditions
R-F power amplifier or oscillation, C amplifier (CW)
                     CCS          ICAS
 Ua………………………………….1250            1500   V
 Ia……………………………………175             175    Ma
 Pa…………………………………..45              65     W
 Pa (in)……………………………..175            260     W
 Ug…………………………………-200            -200     V
 Ig…………………………………..55               50     mA
C amplifier anode-modulation, R-F power amplifier
                     CCS          ICAS
Ua…………………………………1000          1250    V
Ia…………………………………..125           150   mA
Pa………………………………….30            45    W
Pa (in)……………………………115          175    W
Ug…………………………………-200         -200    V
Ig……………………………………50           50     mA
CCS: constant working
ICAS: interrupted working
 
A-F power amplifier or oscillation
B amplifier, grid driving
                           Maximum Rating
                            CCS      ICAS
Ua………………………………………………1250      1500      V
Ia (max. sig)……………………………….175      175        mA
Pa………………………………………………45        65         W
Pa (in) (max. sig)……………………165        235          W
 
Recommended operating condition (Reference value)
(The value of two tubes)
                          CCS         ICAS
Ua……………………………………………1250        1500      V
Ug…………………………………………….0           -4.5       V
Ia (0)…………………………………………50          32        mA
Ia (max .sig)……………………………..260        313        Ma
Ũg (pk)……………………………………145         170        V
Pd (max. sig)…………………………..3.8          4.4       W
RL (a-a)……………………………………12.4         12.4      kΩ
Pout (max. sig)…………………………235         340      W
Tube Type: 811A/VT214/CV628/CV5043
Socket: UX4 (4 Pin)
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