Ampera
DCC90
Triode · DHT · 7-pin Miniature · 1955
“Battery dual triode.”
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 DCC90 is a directly-heated triode from Mullard, introduced around 1955. It provides a gain factor (μ) of 50 with 25.0kΩ plate resistance. Commonly used in preamp applications. Battery dual triode.
APPLICATIONS
Voltage amplifier
Generic triode preamp stage
• Hi-Fi stereo
HISTORY
Introduced1955ManufacturerMullardEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage1.4V
Heater Current0.025A
Max Plate Voltage60V
Max Power0.5W
Sensitivity2 mA/V
Gain Factor50
Internal Impedance25.0kΩ
Pinout7-pin Miniature
Era1955
RarityRare
Input Capacitance3.3pF
Miller Capacitance1.4pF
Output Capacitance1.3pF