Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater voltage
6.3 V
Nominal
Heater current
200 mA
Nominal
Voltage Pentode - Sharp Cutoff (single) ·Pentode
5702WA
Sharp-cutoff pentode designed for RF, VHF/UHF, wide-band, or voltage-amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- SUBMINIATURE7
- Base pins
- 7
- Nominal heater
- 6.3 V / 200 mA
Description
Ruggedized subminiature sharp-cutoff pentode for VHF service under severe temperature, shock, and vibration.
Socket description
Subminiature 7-lead base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- SUBMINIATURE7
- Base pins
- 7
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 200 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
- 340000 Ω
- Transconductance
- 0.005 S
- Max plate voltage
- 250 V
- Max screen voltage
- 150 V
- Max plate dissipation
- 2.5 W
- Max screen dissipation
- 0.4 W
- Max cathode current
- 16.5 mA
Ruggedized subminiature VHF pentode.
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 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate voltage
120 V
Normal
Grid #2 voltage
120 V
Normal
Cathode resistance
200 ohm
Normal
Plate current
7.5 mA
Normal
Grid #2 current
2.6 mA
Normal
Maximum impact acceleration
450 G
Ruggedized
Maximum uniform acceleration
1000 G
Ruggedized
Maximum vibrational acceleration
2.5 G
Ruggedized
Maximum heater-cathode voltage
200 V
Characteristic
Transconductance
5000 uS
Normal
Plate resistance
340000 ohm
Normal