Ampera
EL3N
Pentode · IHT · 8-pin Side Contact P8A · 1938
“European oval cathode pentode. Sakuma favorite.”
Small-signal pentode for low-noise voltage amplification
TRANSCONDUCTANCE2.8mA/V
Cgk8.0pF
Cgp0.3pF
Cpk7.00pF
GAIN0%
POWER23%
DRIVE50%
LINEARITY75%
EXECUTIVE SUMMARY
The EL3N is a indirectly-heated pentode from Philips, introduced around 1938. Commonly used in power (se) applications. European oval cathode pentode. Sakuma favorite.
HISTORY
Introduced1938ManufacturerPhilipsEquivalents4694
Pre-WarSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.9A
Max Plate Voltage250V
Max Power9W
Sensitivity2.8 mA/V
Gain Factor—
Internal Impedance—
Pinout8-pin Side Contact P8A
Era1938
RaritySought-after
Input Capacitance8pF
Miller Capacitance0.3pF
Output Capacitance7pF
SPICE model not yet available. Loadline calculator requires calibrated Koren parameters.