Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 2
Beam Power
Characteristic
PentodeTransconductance
7500 uS
Section2
Power - Beam (NOT sweep) ·BeamPower-Triode
35DZ8
Combination high-mu triode and power pentode designed as a two-stage audio-frequency amplifier, integrating voltage gain and power output in one series-heater envelope.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9-pin miniature
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 35 V / 150 mA
Description
High-mu triode and power pentode designed as a two-stage audio-frequency amplifier. It uses a nominal 35 V, 0.15 A heater. The supplied datasheet was used for ratings, characteristics, and typical operating data.
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
- 9-pin miniature
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 35 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9-pin miniature - 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
- 0.0014 S
- Max plate voltage
- 150 V
- Max plate dissipation
- 0.75 W
- Max cathode current
- 5 mA
Published promoted fields populated by semantic section ownership.
Section 2
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 12000 Ω
- Transconductance
- 0.0075 S
- Max plate voltage
- 250 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 6 W
- Max screen dissipation
- 1.5 W
- Max cathode current
- 60 mA
Published promoted fields populated by semantic section ownership.
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
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Transconductance
1400 µS
Published datasheet value
Other
MaxPlateVoltage
150 V
Published datasheet value
MaxPlateDissipation
0.75 W
Published datasheet value
MaxCathodeCurrent
5 mA
Published datasheet value
Heater Voltage
35 V
Nominal heater rating
Heater Current
150 mA
Nominal heater rating
SECTION 2
Beam Power
Characteristic
Transconductance
7500 µS
Published datasheet value
Other
MaxPlateVoltage
150 V
Published datasheet value
MaxScreenVoltage
135 V
Published datasheet value
MaxPlateDissipation
6.5 W
Published datasheet value
MaxScreenDissipation
1.5 W
Published datasheet value
MaxCathodeCurrent
60 mA
Published datasheet value
Heater Voltage
35 V
Nominal heater rating
Heater Current
150 mA
Nominal heater rating