Data set 01
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Pentode
Application
Application
VariableGainVHF_FrequencyChanger_IF text
SECTION 2
Triode
Application
Application
LocalOscillator text
Voltage Radio Detector Converter ·Pentode-Triode
6C18
VHF triode plus variable-mu frame-grid pentode designed for television tuner frequency-changing and intermediate-frequency amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 350 mA
Description
VHF triode-variable-mu frame-grid pentode for television tuner frequency changer and IF amplifier service.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 350 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.011 S
- Amplification factor
- 50
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max screen dissipation
- 0.5 W
- Max cathode current
- 18 mA
Published ratings and characteristics promoted from the approved English source.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0055 S
- Amplification factor
- 17
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max cathode current
- 15 mA
Published ratings and characteristics promoted from the approved English source.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.