Data set 01
1958 Mullard Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage
6.3 V
Heater Current
200 mA
Construction
Frame grid
GroundedGrid
Voltage - Triode (single high frequency) ·Triode
EC86
High-frequency triode for UHF amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 200 mA
Description
UHF triode for oscillator, mixer and grounded-grid amplifier service in television Bands IV and V.
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
- 200 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
- 4900 Ω
- Transconductance
- 0.014 S
- Amplification factor
- 68
- Max plate voltage
- 220 V
- Max plate dissipation
- 2.2 W
- Max cathode current
- 20 mA
High-frequency triode section; source includes detailed interelectrode capacitances and limit data.
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.
Data set 02
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
Data set 03
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
160 V
Published table
Control-grid bias
-1.25 V
Published table
Plate current
12.5 mA
Published table
Characteristic
Transconductance
13500 µS
Published table
Amplification factor
65
Published table
Plate resistance
4300 ohm
Published table
Heater voltage
6.3 V
Published heater rating
Heater current
180 mA
Published heater rating
Data set 04
1963 Philips Electron Tubes Handbook V1a
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
175 V
Grid voltage
-1.5 V
Plate current
12 mA
Maximum plate voltage
220 V
Maximum plate dissipation
2.2 W
Characteristic
Transconductance
14000 uS
Amplification factor
68
Capacitance
Input capacitance
5.5 pF
Output capacitance
3.2 pF
Grid-plate capacitance
0.05 pF
Data set 05
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Heater voltage
6.3 V
Published nominal value
Heater current
200 mA
Published nominal value
Transconductance
14000 µS
Published nominal or operating characteristic
Noise resistance
2300 ohm
Published equivalent noise resistance
Other
Maximum plate dissipation
2.2 W
Published maximum rating
Capacitance
Input-related capacitance
3.5 pF
Grid-cathode, without external shield
Data set 06
1972 Philips Receiving Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater voltage \%i
6.3 V
Heater current I
200 mA
Cathode to heater voltage, (k pos) Virf (k pos) max
- to 100 V
Maximum
(k neg) Vkf (k neg) max
- to 50 V
Maximum
Data set 07
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Maximum cathode-heater voltage cathode positive
100 V
Maximum cathode-heater voltage cathode negative
50 V