Ampera
ECF80-P
Pentode · IHT · 9-pin Noval · 1955
“Pentode section.”
Small-signal pentode for low-noise voltage amplification
Datasheet ↗SPICE
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN0%
POWER4%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The ECF80-P is a indirectly-heated pentode from Philips, introduced around 1955. Commonly used in preamp applications. Pentode section.
APPLICATIONS
Voltage amplifier
Generic pentode preamp stage
HISTORY
Introduced1955ManufacturerPhilipsEquivalents6BL8
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.44A
Max Plate Voltage250V
Max Power1.7W
Sensitivity6.2 mA/V
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1955
RarityCommon
Input Capacitance5.5pF
Miller Capacitance0.1pF
Output Capacitance5pF