Ampera
5902
Pentode · IHT · 7-pin Miniature · 1955
“Military pentode.”
Small-signal pentode for low-noise voltage amplification
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN0%
POWER10%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The 5902 is a indirectly-heated pentode from RCA, introduced around 1955. Commonly used in preamp applications. Military pentode.
APPLICATIONS
Voltage amplifier
Generic pentode preamp stage
HISTORY
Introduced1955ManufacturerRCAEquivalents6AS6
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.175A
Max Plate Voltage300V
Max Power4.1W
Sensitivity5 mA/V
Gain Factor—
Internal Impedance—
Pinout7-pin Miniature
Era1955
RarityModerate
Input Capacitance4pF
Miller Capacitance0.01pF
Output Capacitance3pF