Voltage - Triode (single high frequency) ·Triode
Series-heater UHF oscillator triode for television receivers.
Series-heater UHF oscillator triode for television receivers.
Miniature 7-contact
General specifications
Properties common to every published source and operating point.
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 |
1 physical section, each with unique specifications.
Section 1
Published promoted fields populated from Maximum Ratings / Characteristics / Typical Operation headings.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Input capacitance
2.6 pF
Section1
Output capacitance
0.4 pF
Section1
Grid-to-plate capacitance
1.7 pF
Section1
Plate voltage
80 V
ClassA
Cathode resistor
18 Ω
ClassA
Plate resistance
1860 Ω
ClassA
Transconductance
7000 µS
ClassA
Amplification factor
13
ClassA
Data set 02
Published operating points and test conditions from this source.
Plate Voltage
80 V
Oscillator
Transconductance
7000 uS
Oscillator
Amplification Factor
13
Oscillator
Data set 03
Published operating points and test conditions from this source.
DESIGNED FOR USE AS AN OSCILLATOR IN UHF
600 mA
Oscillator | DESIGNED FOR USE AS AN OSCILLATOR IN UHF. 600 MA. SERIES HEATER OPERATED
HEATER VOLTAGE
2.35 V
Maximum Ratings | HEATER VOLTAGE 2.35 voLTs
MAXIMUM PLATE VOLTAGE
200 V
Maximum Ratings | MAXIMUM PLATE VOLTAGE 200 VOLTS
MAXIMUM PLATE DISSIPATION
3.5 W
Maximum Ratings | MAXIMUM PLATE DISSIPATION 3.5 WATTS
MAXIMUM GRID CURRENT
8 mA
Maximum Ratings | MAXIMUM GRID CURRENT 8 MA.
MAXIMUM CATHODE CURRENT j
0 mA
Maximum Ratings | MAXIMUM CATHODE CURRENT j0 MA.
HEATER WARM-UP TIME (APPROX.)*
11 s
Maximum Ratings | HEATER WARM-UP TIME (APPROX.)* 11.0 SECONDS
HEATER CURRENT O
0 mA
Typical Operating Conditions | HEATER CURRENT O.0 AMP.
GRID VOLTAGE FOR SO I
1 A
Typical Operating Conditions | GRID VOLTAGE FOR SO I1A. PLATE CURRENT —15 voLTc
GRID VOLTAGE (SELF BIAS) —
4 V
Oscillator | GRID VOLTAGE (SELF BIAS) —4 VOLTS
GRID RESISTOR
0 ohm
Oscillator | GRID RESISTOR 10 000 OHMS
GRID TO PLATE
1.7 pF
Capacitances | GRID TO PLATE 1.7 1.7 uuf
HEATER TO CATHODE S
3 W
Capacitances | HEATER TO CATHODE S 2.9 3.0 w~f