Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
PlateVoltageTypical
200 V
Published operating/characteristic value
PlateCurrentTypical
11 mA
Published operating/characteristic value
Voltage - Triode (single high frequency) ·Triode
6FY5
Remote-cutoff frame-grid shielded triode for VHF television RF amplification at low supply voltage.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7FP
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 200 mA
Description
Remote-cutoff frame-grid shielded triode for VHF television RF amplification at low supply voltage.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7FP
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 200 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7FP - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1K | A | K — Cathode EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN2G1 | A | G1 — Control Grid EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN3H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN4H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN5P | A | P — Plate (Anode) EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN6IS | A | IS — Internal Screen EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
| PIN7K | A | K — Cathode EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 7FP |
Section ratings
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.013 S
- Amplification factor
- 70
- Max plate voltage
- 200 V
- Max plate dissipation
- 2.2 W
- Max cathode current
- 20 mA
Published typical operating conditions, UHF/deflection ratings, and descriptive application reviewed.
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
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater voltage
6.3 V
Heater current
200 mA
Plate voltage
200 V
Typical operating conditions
Plate current
110.1 mA
Typical operating conditions
Data set 03
1963 Amperex Condensed
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
135 V
Published table
Control-grid bias
-4.5 V
Published table
Plate current
11 mA
Published table
Application
VHF television tuner RF amplifier
Published description
Characteristic
Transconductance
13000 µS
Published table
Amplification factor
70
Published table
Heater voltage
6.3 V
Published heater rating
Heater current
200 mA
Published heater rating
Data set 04
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Capacitance
Input capacitance
4.75 pF
Output capacitance
3.3 pF
Grid-to-heater capacitance
0.28 pF
Plate-to-cathode capacitance
0.25 pF
Grid-to-cathode capacitance
3.2 pF
Cathode-to-heater capacitance
2.5 pF
Plate-to-grid capacitance
0.7 pF
Other
Plate voltage
135 V
Typical
Grid bias
-1 V
Typical;HighGainPoint
Plate current
11 mA
Typical;HighGainPoint
Zero-current plate-voltage rating
550 V
Characteristic
Transconductance
13000 uS
Typical;HighGainPoint
Amplification factor
70