5749

Small Signal Pentode — B7G

GE

Known Equivalents & Substitutes

6BA66BA6WEF93CV2522CV40096K4PZ1749

Similar Tubes (Not Drop-In Compatible)

Electrically similar remote-cutoff pentode but different B7G pinout — not a drop-in

Similar remote-cutoff pentode but Octal base — not pin-compatible

Electrical Specifications

Absolute Maximum

Anode Voltage (max)Anode Voltage (max)330V

Screen Voltage (max)Screen Voltage (max)150V

Anode Dissipation (max)Anode Dissipation (max)3.1W

Screen Dissipation (max)Screen Dissipation (max)1W

Cathode Current (max)

Notes

Ruggedized version of the 6BA6 with tighter parameter controls for industrial and military use.
EF93 is the European (Mullard/Philips) equivalent designation.
CV4009 is the UK military quality-controlled version.
Remote-cutoff characteristic makes this tube ideal for AGC-controlled amplifiers — gain varies smoothly with grid bias.

Pin Layout — B7G

1Suppressor Grid (g3)

2Control Grid (g1)

3Cathode

4

References