Data set 01
1999 Philips 0-D
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Saturation current
50 mA
Other
Maximum quiescent current
10 mA
Voltage - Triode (single) ·Triode
C509
General-purpose directly heated Philips triode with published operating characteristics and limiting ratings for conventional amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4.9 V / 250 mA
Description
C509 is a general-purpose directly heated triode. The supplied Philips datasheet was read for heater data, operating characteristics, limiting ratings, and section-level electrical information.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 4.9 V
- Nominal heater current
- 250 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
- 9000 Ω
- Transconductance
- 0.001 S
- Amplification factor
- 9
- Max plate voltage
- 120 V
- Max cathode current
- 10 mA
General-purpose directly heated triode
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.