Ampera
6FW5
Pentode · IHT · Octal · 1960
“Compact sweep tube. No plate cap. 2A3-like.”
Power pentode delivering up to 17.5W in pentode, UL, or triode mode
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN0%
POWER44%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 6FW5 is a indirectly-heated pentode from GE, introduced around 1960. Commonly used in sweep / power (se) applications. Compact sweep tube. No plate cap. 2A3-like.
APPLICATIONS
Power output
Generic pentode sweep / power (se) stage
HISTORY
Introduced1960ManufacturerGEEquivalents6AV5GA
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current1.2A
Max Plate Voltage550V
Max Power17.5W
Sensitivity5 mA/V
Gain Factor—
Internal Impedance—
PinoutOctal
Era1960
RarityCommon
Input Capacitance10pF
Miller Capacitance0.5pF
Output Capacitance7pF
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.