TubePad 6.0 Tube Chart

Quick Reference Data

Name: 6SJ7
Use:
Metal type as RF amplifiers and biased detectors. As a detector, it is capable of delivering large audio-frequency output voltage with a relatively small input voltage.
Notes: Requires octal socket and may be mounted in any position.

6SJ7
Sharp-Cutoff Pentode

Characteristics
Data Source. . . . . . . . .  RCA RC-15 - 1947
Heater or Filament Voltage .  6.3 Volts
Heater or Filament Current .  0.3 Amp
EIA Base . . . . . . . . . .  8N
Substitutes. . . . . . . . . 6AB7 6AC7 6AJ7 

Capacitances and Design Maximum Values:

Section. . . . . . . . . .     Pentode
C/in . . . . . . . . . . .     6 pF
C/out. . . . . . . . . . .     7 pF
C/gp . . . . . . . . . . .     0.005 pF
Plate Voltage. . . . . . .     300 Volts
Grid No. 2 Voltage . . . .     125 Volts
Plate Dissipation. . . . .     2.5 Watts
Grid No. 2 Dissipation . .     0.7 Watts


Typical Operation as a Receiving Tube                   

Description  Ep  Eg EgMax Es Is IsMax Ip IpMax  Rp   TC   AF Zl PO
------------------------------------------------------------------
Class A Amp 100 -3    -  100 0.9  -  2.9   -   700K 1575  -  -  -
Class A Amp 250 -3    -  100 0.8  -  3.0   -   1M   1650  -  -  -
Triode
Connected:  180 -6    -   -   -   -  6.0   -   8250 2300 19  -  -
Triode
Connected:  250 -8.5  -   -   -   -  9.2   -   7600 2500 19  -  -