Data set 01
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Typical anode voltage
250 V
Typical anode current
6 mA
Grid bias
-5.5 V
Maximum cathode current
10 mA
Voltage - Triode (single) ·Triode
EC2
General-purpose indirectly heated triode for electronic amplification.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 6.3 V / 400 mA
Description
EC2 is a general-purpose indirectly heated triode. The supplied Philips datasheet was read for heater data, limiting ratings, characteristic constants, operating conditions, and interelectrode capacitances where published.
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
- 6.3 V
- Nominal heater current
- 400 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
- 12000 Ω
- Transconductance
- 0.0025 S
- Amplification factor
- 30
- Max plate voltage
- 250 V
- Max plate dissipation
- 2 W
- Max cathode current
- 10 mA
General-purpose indirectly 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.