Ampera
ECL85-T
Triode · IHT · 9-pin Noval · 1960
“Triode section.”
Medium-gain triode for voltage amplification applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
Cgk0pF
Cgp0pF
Cpk0pF
GAIN50%
POWER1%
DRIVE75%
LINEARITY75%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The ECL85-T is a indirectly-heated triode from Philips, introduced around 1960. It provides a gain factor (μ) of 50 with 25.0kΩ plate resistance. Commonly used in preamp applications. Triode section.
APPLICATIONS
Voltage amplifier
Generic triode preamp stage
• Hi-Fi stereo
HISTORY
Introduced1960ManufacturerPhilipsEquivalents6GV8
Late ProductionSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.96A
Max Plate Voltage200V
Max Power0.5W
Sensitivity2 mA/V
Gain Factor50
Internal Impedance25.0kΩ
Pinout9-pin Noval
Era1960
RarityCommon
Input Capacitance2.5pF
Miller Capacitance1.5pF
Output Capacitance0.5pF