Ampera
E83F
Pentode · IHT · 9-pin Noval · 1960
“Frame-grid. Low noise.”
Small-signal pentode for low-noise voltage amplification
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN0%
POWER6%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The E83F is a indirectly-heated pentode from Philips·Telefunken, introduced around 1960. Commonly used in preamp applications. Frame-grid. Low noise.
APPLICATIONS
Voltage amplifier
Generic pentode preamp stage
HISTORY
Introduced1960ManufacturerPhilips·TelefunkenEquivalentsNone direct
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.2A
Max Plate Voltage250V
Max Power2.5W
Sensitivity6.4 mA/V
Gain Factor—
Internal Impedance—
Pinout9-pin Noval
Era1960
RarityRare
Input Capacitance4.5pF
Miller Capacitance0.005pF
Output Capacitance5.5pF
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.