Data set 01
1963 Hitachi
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Capacitance
Interelectrode capacitances published
1
See source table
Characteristic
Heater Warm-up Time
11 s
Power - TV Horizontal Output (sweep) ·BeamPower
12GB7
High-transconductance beam-power tube for demanding television horizontal-deflection amplification, with 15 W plate dissipation and controlled heater warm-up for series-string receivers.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- B5-190
- Socket code
- SEPTAR5
- Base pins
- 5
- Nominal heater
- 12.6 V / 600 mA
Description
Beam power pentode for horizontal-deflection amplifier service.
Socket description
Septar 5-contact transmitting-tube base family
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- B5-190
- Socket code
- SEPTAR5
- Base pins
- 5
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
B5-190 - 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
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 53000 Ω
- Transconductance
- 0.014 S
- Max plate voltage
- 700 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 15 W
- Max screen dissipation
- 5 W
- Max cathode current
- 200 mA
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.