Data set 01
195X Tesla
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Interelectrode capacitances
Published
See source sheet for electrode-specific capacitance values
Voltage - Dual Triode (similar) ·Triode-Triode
CV491
ECC82-family dual triode with separate cathodes for low-frequency amplification, oscillator, and phase-inverter circuits, with series/parallel heater operation.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 12.6 V / 150 mA
Description
TESLA ECC82 is a dual triode with separate cathodes for low-frequency amplification, oscillators and phase-inverter circuits. Its heater can be connected for 6.3 V parallel or 12.6 V series operation.
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
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- 6.3 V
- Parallel heater current
- 300 mA
- Series capable
- Yes
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
- Plate resistance
- 7200 Ω
- Transconductance
- 0.0025 S
- Amplification factor
- 18
- Max plate voltage
- 300 V
- Max plate dissipation
- 2.75 W
- Max cathode current
- 20 mA
Two identical triode systems; representative 200 V characteristic point.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 7200 Ω
- Transconductance
- 0.0025 S
- Amplification factor
- 18
- Max plate voltage
- 300 V
- Max plate dissipation
- 2.75 W
- Max cathode current
- 20 mA
Second physical triode restored.
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.