Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Typical Anode Voltage
90 V
RepresentativeSection
TypicalAnodeCurrent
15 mA
RepresentativeSection
Voltage - Dual Triode (similar high frequency) ·Triode-Triode
30L15
Shielded RF cascode dual triode, co-designated PCC805, designed for VHF tuner service with two matched high-transconductance triodes arranged for cascode amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- B9A
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 7 V / 300 mA
Description
Printed co-designation for the PCC805 shielded RF cascode dual triode.
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
- B9A
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 7 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
B9A - 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
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.009 S
- Amplification factor
- 26
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max cathode current
- 16 mA
Representative row for two electrically identical triode sections with separate cathodes.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.009 S
- Amplification factor
- 26
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max cathode current
- 16 mA
Second identical physical triode section with separate cathode; added to align rows with SectionCount.
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.
Data set 02
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
7 V
Published nominal value
Heater current
300 mA
Published nominal value
Other
Maximum plate dissipation
2 W
Published maximum rating