Voltage Pentode - Remote Cutoff (single) ·Pentode
12K7G
Variable-mu RF pentode for gain-controlled RF and IF amplification with reduced distortion and cross-modulation.
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 12.6 V / 150 mA
Description
National Union 12K7G pentode vacuum tube described in the approved datasheet for its stated amplifier, rectifier, indicator, or specialized electronic service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 150 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
Pentode
- Plate resistance
- 600000 Ω
- Transconductance
- 0.00165 S
- Amplification factor
- 990
- Max plate voltage
- 250 V
- Max screen voltage
- 125 V
Promoted ratings/characteristics read from the approved National Union datasheet.
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.