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tube data

6AQ5A
BEAM POWER TUBE
PinElement
1Control Grid
2Cathode
3Heater (Filament)
4Heater (Filament)
5Plate (Anode)
6Screen Grid
7Control Grid
 Miniature type used
primarily as output
amplifier in automobile
receivers and in ac-
operated receivers.
Requires miniature
7-contact socket. Within
its maximum ratings, the
performance of this
type is equivalent to
that of larger types
6V6 and 6V6GTA. 






Heater Voltage (AC/DC) 6.3volts


Heater Current0.45ampere


Heater Warm-up Time (Average)11seconds










Peak Heater-Cathode Voltage


Heater negative with respect to cathode200 maxvolts


Heater positive with respect to cathode200 º  max


º The dc component must not exeed 100 volts.







Direct Interelectrode Capacitance (Approx.)


Grid No.1 to Plate0.4pf


Grid No.1 to Cathode, Heater, Grid No.2, and Grid No.38


Plate to Cathode, Heater, Grid Ho.2, and Grid No.38.5












CLASS A1 AMPLIFIER











Maximum Ratings (Design-Maximum Values)


Plate Voltage275volts


Grid-No.2 (Screen-Grid) Voltage275


Plate Dissipation12watts
 

Grid-No.2 Input2


Bulb Temperature (at hottest point)250ºC










Characteristics (Triode Connection) º


Plate Voltage250volts


Grid-No.1 (Control-Grid) Voltage-12.5


Amplification Factor9.5


Plate Resistance (Approx.)1970ohms


Transconductance4800umhos


Plate Current49.5ma


Grid-No.1 Voltage (Approx.) for plate current of 0.5 ma-37volts



º Grid No. 2 connected to plate.







Maximum Circuit Values


Grid No. 1 Circuit Resistance


For fixed-bias operation0.1 maxmegohm


For cathode-bias operation0.5 max