6021
Triode · IHT · 7-pin Miniature · 1955
“Subminiature dual triode.”
Medium-gain triode for voltage amplification applications
Datasheet ↗SPICE
GAIN FACTOR0
PLATE IMPEDANCE0kΩ
TRANSCONDUCTANCE0mA/V
GAIN40%
POWER2%
DRIVE80%
LINEARITY80%
TYPICAL OPERATING POINT
EXECUTIVE SUMMARY
The 6021 is a indirectly-heated triode from Raytheon, introduced around 1955. It provides a gain factor (μ) of 40 with 20.0kΩ plate resistance. Commonly used in preamp applications. Subminiature dual triode.
APPLICATIONS
Voltage amplifier
Generic triode preamp stage
• Hi-Fi stereo
HISTORY
Introduced1955ManufacturerRaytheonEquivalentsNone
Golden AgeSPECIFICATIONS
Heater Voltage6.3V
Heater Current0.15A
Max Plate Voltage100V
Max Power0.7W
Sensitivity2 mA/V
Gain Factor40
Internal Impedance20.0kΩ
Pinout7-pin Miniature
Era1955
RarityRare