Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate Voltage
120 V
Screen Voltage
120 V
Grid Voltage
-2 V
Characteristic
Plate Current
7.5 mA
Screen Current
2.5 mA
Voltage Pentode - High Frequency (single) ·Pentode
717A
High-frequency pentode electrically identical to the 713A except for its published base construction. It retains the same RF signal-amplifier function while differing mechanically in its base arrangement.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater
- 6.3 V / 175 mA
Description
High-frequency pentode electrically identical to 713A except for its published base construction.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 175 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
X-ray radiationInterelectrode capacitances
- Plate resistance
- 250000 Ω
- Transconductance
- 0.004 S
- Max plate voltage
- 180 V
- Max screen voltage
- 120 V
- Max cathode current
- 10.1 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.