Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Grid2DissipationContinuous
11 W
Plate Dissipation
18 W
Power - Pentode (NOT beam) ·Pentode
4GZ5
Heavy-duty power pentode with approximately 18 W plate dissipation for demanding audio and related output-amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 4 V / 600 mA
Description
Power pentode for television audio/output and related amplifier service.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 4 V
- Nominal heater current
- 600 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
- Max plate voltage
- 400 V
- Max screen voltage
- 400 V
- Max plate dissipation
- 18 W
- Max screen dissipation
- 11 W
- Max cathode current
- 40 mA
Power pentode for television audio/output and related amplifier service.
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 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Capacitance
GRID #
0.24 pF
Capacitances | GRID #1 TO PLATE: G1 TO P 0.24 pf
Other
CURRENT OPERATION
40 mA
Average Characteristics | CURRENT OPERATION 600+40 MA.
PLATE DISSIPATION
4.8 W
Maximum Ratings | PLATE DISSIPATION 4.8 WATTS
FIXED BIAS
5 Mohm
Maximum Ratings | FIXED BIAS .5 MEGOHM
Characteristic
PLATE RESISTANCE (APPROX.) --- .j
5 Mohm
ClassA | PLATE RESISTANCE (APPROX.) --- .j5 MEGOHMS