Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Triode
Capacitance
Input Capacitance
6.5 pF
Output Capacitance
1 pF
Grid To Plate Capacitance
5.5 pF
Power - Triode Single (under 10W) ·Triode
7719
High-perveance triode with series/parallel heater capability for general electronic service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 12.6 V / 225 mA
Description
The 7719 is a single indirectly heated high-perveance triode intended for high-current service and equipped with a heater that can be connected for 6.3 or 12.6 volt operation.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 225 mA
- Parallel heater voltage
- 6.3 V
- Parallel heater current
- 450 mA
- Series capable
- Yes
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
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 7100 Ω
- Transconductance
- 0.0035 S
- Max plate voltage
- 330 V
- Max plate dissipation
- 6 W
- Max cathode current
- 4 mA
Published ratings and characteristics mapped semantically; identical repeated sections compressed.
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 4 of 4
Published operating points and test conditions from this source.
SECTION 1
Triode
Characteristic
Heater Voltage (Series)
0.6 VOLTS
PublishedTable
Heater
310.3 VOLTS
PublishedTable
Heater
0.6 VOLTS
PublishedTable
Heater Current
0.2 AMP
PublishedTable
Plate
3 VOLTS
PublishedTable
Grid Voltage
10.5 VOLTS
PublishedTable
Plate Current
4 MA
PublishedTable
Plate Resistance
7100 OHMS
PublishedTable
Grid
15 VOLTS
PublishedTable
Other
Maximum Plate
33 VOLTS
PublishedTable
Maximum Plate Dissipation
6 WATTS
PublishedTable
Maximum Dc Cathode Current
4 MA
PublishedTable