Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
Triode
Other
Heater voltage
5.6 V
Heater current
450 mA
Triode
Other
Heater voltage
5.6 V
Heater current
450 mA
Voltage - Dual Triode (dissimilar) ·Triode-Triode
Dissimilar twin triode designed for television sync-clipper and gated-AGC amplifier service, combining sections of substantially different gain and current capability in one envelope.
5HC7 is a DualTriode device. Two dissimilar triodes for television sync-clipper and gated-AGC amplifier service; electrically identical to 4HC7 except heater ratings.
Duodecar 12-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
2 physical sections, each with unique specifications.
Section 1
Two dissimilar triodes for television sync-clipper and gated-AGC amplifier service; electrically identical to 4HC7 except heater ratings.
Section 2
Two dissimilar triodes for television sync-clipper and gated-AGC amplifier service; electrically identical to 4HC7 except heater ratings.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater voltage
5.6 V
Heater current
450 mA
Heater voltage
5.6 V
Heater current
450 mA
Data set 02
Published operating points and test conditions from this source.
Plate voltage
150 V
Triode1
Grid voltage
-1 V
Triode1
Plate current
18 mA
Triode1
Transconductance
4400 uS
Triode1
Amplification factor
23
Triode1
Plate resistance
5.2 kOhm
Triode1
Grid-to-plate capacitance
1.9 pF
Triode1
Plate voltage
150 V
Triode2
Grid voltage
-1 V
Triode2
Plate current
1 mA
Triode2
Transconductance
1900 uS
Triode2
Amplification factor
100
Triode2
Plate resistance
53 kOhm
Triode2
Grid-to-plate capacitance
2.2 pF
Triode2