Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Conversion transconductance
2900 uS
ConverterService
Voltage - Triode (single high frequency) ·Triode
6AN4
High-frequency triode for UHF/VHF amplification, mixing, or oscillator service in television, FM, communications, or specialized RF equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7DK
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 6.3 V / 225 mA
Description
High-mu triode for grounded-grid amplifier or mixer service in UHF television tuners.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7DK
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 225 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7DK - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1P | A | P — Plate (Anode) Source-transcribed; independent manufacturer verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN2G1 | A | G1 — Control Grid Source-transcribed; independent manufacturer verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN3H | — | H — Heater Source-transcribed; independent manufacturer verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN4H | — | H — Heater Source-transcribed; independent manufacturer verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN5K | A | K — Cathode Chart transcription; independent verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN6G1 | A | G1 — Control Grid Chart transcription; independent verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
| PIN7P | A | P — Plate (Anode) Chart transcription; independent verification pending | Unverified EIA Base Connections, printed page 129, 7DK |
Section ratings
1 physical section, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 7000 Ω
- Transconductance
- 0.01 S
- Amplification factor
- 70
- Max plate voltage
- 300 V
- Max plate dissipation
- 4 W
- Max cathode current
- 30 mA
High-mu triode; Class A1 values at 200 V plate supply.
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 General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Maximum plate voltage
300 V
Published handbook rating
Plate voltage
200 V
ClassA
Plate current
13 mA
ClassA
Characteristic
Plate resistance
7000 ohm
Published handbook characteristic
Transconductance
10000 µS
Published handbook characteristic
Amplification factor
70
Published handbook characteristic
Heater voltage
6.3 V
Published heater rating
Heater current
225 mA
Published heater rating
Data set 03
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
200 V
GroundedGridAmplifier
Cathode-bias resistor
100 Ω
GroundedGridAmplifier
Plate current
13 mA
GroundedGridAmplifier
Plate voltage
125 V
Mixer
Cathode-bias resistor
270 Ω
Mixer
Application
Grounded-grid amplifier or mixer in UHF television applications
Section1
Characteristic
Transconductance
10000 µS
Section1
Amplification factor
70
Section1
Data set 04
1971 RCA HB3 Binder 4 of 7
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Heater voltage nominal
6.3 V
Heater current
225 mA
Maximum plate voltage
300 V
ClassA1
Maximum cathode current
30 mA
ClassA1
Maximum plate dissipation
4 W
ClassA1
Peak heater-cathode voltage
200 V
ClassA1
Characteristics
Plate supply voltage
200 V
ClassA1
Cathode resistor
100 ohm
ClassA1
Amplification factor
70
ClassA1
Transconductance
10000 µS
ClassA1
Plate current
13 mA
ClassA1
Grid voltage for plate current 20 µA
-7 V
ClassA1