Ampera
PCF86-T
Triode · IHT · 9-pin Noval · 1958
“Series-heater triode.”
Medium-gain triode for driver and line stage applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN30%
POWER4%
DRIVE93%
LINEARITY85%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The PCF86-T is a indirectly-heated triode from Philips, introduced around 1958. It provides a gain factor (μ) of 30 with 7500Ω plate resistance. Commonly used in preamp applications. Series-heater triode.
APPLICATIONS
Voltage amplifier
Generic triode preamp stage
• Hi-Fi stereo• Headphone amp
HISTORY
Introduced1958ManufacturerPhilipsEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage9V
Heater Current0.3A
Max Plate Voltage200V
Max Power1.5W
Sensitivity4 mA/V
Gain Factor30
Internal Impedance7.5kΩ
Pinout9-pin Noval
Era1958
RarityCommon