Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Plate Resistance
7700 ohm
AlternateOperatingPoint
Transconductance
2600 uS
AlternateOperatingPoint
Voltage - Dual Triode (similar) ·Triode-Triode
6SN7WGTA
Premium ruggedized medium-mu twin triode for amplifiers, oscillators, and pulse circuits. Special-quality construction combines familiar 6SN7 electrical behavior with enhanced durability and voltage capability for demanding professional service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 8BD
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 600 mA
Description
Premium medium-mu twin triode for amplifiers, oscillators, and pulse circuits. Data was extracted from the supplied Tung-Sol source, including published ratings, characteristics, and operating information.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8BD
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8BD - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN12G1 | B | G1 — Control Grid EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN22P | B | P — Plate (Anode) EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN32K | B | K — Cathode EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN41G1 | A | G1 — Control Grid EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN51P | A | P — Plate (Anode) EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN61K | A | K — Cathode EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN7H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
| PIN8H | — | H — Heater EIA transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8BD |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 6700 Ω
- Transconductance
- 0.003 S
- Amplification factor
- 20
- Max plate voltage
- 450 V
- Max plate dissipation
- 5 W
- Max cathode current
- 70 mA
Published promoted fields populated from printed headings; identical repeated sections compressed.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 6700 Ω
- Transconductance
- 0.003 S
- Amplification factor
- 20
- Max plate voltage
- 450 V
- Max plate dissipation
- 5 W
- Max cathode current
- 70 mA
Second identical physical section; added to align physical rows with SectionCount.
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
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristics
Plate resistance
6700 ohm
PromotedValue
Transconductance
0.003 A/V
PromotedValue
Amplification factor
20
PromotedValue
NEATER VOLTAGE
5 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
HEATER VOLTAGE
6 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE VOLTAGE — published value 1
9 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE VOLTAGE — published value 2
2 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT
9 mA
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
AMPLIFICATION FACTOR
2
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE RESISTANCE (APPROX .~) — published value 1
7 OHMS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE RESISTANCE (APPROX .~) — published value 2
0 OHMS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
TRANSCONDUCTANCE
2 µMHOS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT (g E c =- 12,5 VOLTS
12.5 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GRID VOLTAGE FOR Ib = 10 j1A (APPROX.) — published value 1
7 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GRID VOLTAGE FOR Ib = 10 j1A (APPROX.) — published value 2
1 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
90 VOLTS — published value 1
180 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
90 VOLTS — published value 2
300 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GAIN MEASURED AT EO = 2.0 VOLTS RMS OUTPUT.
2 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
HEATER CURRENT — published value 1
550 ma
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
HEATER CURRENT — published value 2
650 ma
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GRID CURRENTA — published value 1
-1.5
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
GRID CURRENTA — published value 2
-1.5
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT (i) — published value 1
5.5 mAdc
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT (i) — published value 2
12.5 mAdc
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
AMPLIFICATION FACTOR E — published value 1
18
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
AMPLIFICATION FACTOR E — published value 2
23
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
(PRESSURE =55t5mm HG; VOLTAGE =SQQVac) — published value 1
55
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
(PRESSURE =55t5mm HG; VOLTAGE =SQQVac) — published value 2
5
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT (2) — published value 1
2
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
PLATE CURRENT (2) — published value 2
15
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
TRANSCOND UCTANCE (i)
1850
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
Other
Maximum plate voltage
450 V
PromotedValue
Maximum plate dissipation
5 W
PromotedValue
Maximum cathode current
70 mA
PromotedValue
MAXIMUM DC PLATE VOLTAGE
0 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
MAXIMUM PLATE DISSIPATION (PER PLATE)
44 WATTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
MAXIMUM GRID RESISTANCE
1.1
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
MAXIMUM HEATER-CATHODE VOLTAGE
2 VOLTS
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
MAXIMUM DC PLATE CURRENT (PER PLATE)
20 mAdc
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.
MAXIMUM BULB TEMPERATURE
200
OCR table transcription; verify against supplied datasheet layout where multiple columns represent operating conditions.