Data set 01
1999 Philips 0-D
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Saturation current
20 mA
Anode-grid capacitance
0.3 pF
Voltage - Triode (single high frequency) ·Triode
A435
Special directly heated high-frequency amplifier triode with top-connected anode and very low internal capacitance for tuned-anode circuits.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B4
- Base pins
- 4
- Nominal heater
- 4 V / 60 mA
Description
Special directly heated high-frequency amplifier triode with top-connected anode and very low internal capacitance for tuned-anode circuits.
Socket description
European 4-pin base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B4
- Base pins
- 4
- Nominal heater voltage
- 4 V
- Nominal heater current
- 60 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
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 29000 Ω
- Transconductance
- 0.0012 S
- Amplification factor
- 35
- Max plate voltage
- 150 V
Special directly heated high-frequency amplifier triode with top-connected anode and very low internal capacitance for tuned-anode circuits.
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.