Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage
6.3 V
Heater Current
300 mA
Application
UHF amplifier
Voltage - Triode (single high frequency) ·Triode
EC806S
Special-quality UHF triode for professional high-frequency service, equivalent to E86C.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 165 mA
Description
Special-quality UHF triode for professional high-frequency service; equivalent to E86C.
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
- 6.3 V
- Nominal heater current
- 165 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
- 4860 Ω
- Transconductance
- 0.014 S
- Amplification factor
- 68
- Max plate voltage
- 250 V
- Max plate dissipation
- 2.4 W
- Max grid dissipation
- 0.02 W
- Max cathode current
- 20 mA
Published Telefunken ratings and characteristics promoted from the supplied source. Telefunken EC806S/E86C special-quality UHF triode for grounded-grid RF amplification and self-oscillating mixer service, RF-amplifier operation to 800 MHz. Typical gm 14 mA/V and amplification factor about 68; entered plate resistance approximately 4860 Ω is calculated as μ/gm, not an independently quoted measurement. Maximum plate 250 V, dissipation 2.4 W, grid dissipation 20 mW, cathode current 20 mA; capacitances listed in manufacturer sheet.
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.