Ampera
EL90
Pentode · IHT · 7-pin Miniature · 1950
“European 6AQ5.”
Power pentode delivering up to 12W in pentode, UL, or triode mode
Datasheet ↗SPICE
TRANSCONDUCTANCE4.1mA/V
Cgk7.5pF
Cgp0.3pF
Cpk6.00pF
GAIN0%
POWER30%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The EL90 is a indirectly-heated pentode from Philips, introduced around 1950. Commonly used in power applications. European 6AQ5.
APPLICATIONS
Power output
Generic pentode power stage
VS 6AQ5
Pd 0%Full comparison →
HISTORY
Introduced1950ManufacturerPhilipsEquivalents6AQ5
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.45A
Max Plate Voltage275V
Max Power12W
Sensitivity4.1 mA/V
Gain Factor—
Internal Impedance—
Pinout7-pin Miniature
Era1950
RarityCommon
Input Capacitance7.5pF
Miller Capacitance0.3pF
Output Capacitance6pF