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5933

Beam-power pentode for audio and RF amplifier applications, with published Class-B and Class-C operating ratings extending through VHF frequencies.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 5AW
Socket code: IO
Base pins: 5
Nominal heater: 6.3 V / 1.2 A

Description

Beam power pentode for audio and RF amplifier applications, with published Class B and Class C ratings through VHF frequencies.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5AW
Socket code: IO
Base pins: 5
Nominal heater voltage: 6.3 V
Nominal heater current: 1.2 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

5AW - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1H	—	H — Heater Original EIA designation: H; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW
PIN2G2	A	G2 — Screen Grid Original EIA designation: G2; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW
PIN3G1	A	G1 — Control Grid Original EIA designation: G1; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW
PIN4G3	A	G3 — Suppressor GridGroup 5AW4 Second element on shared physical terminal; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 127, 5AW
PIN4K	A	K — CathodeGroup 5AW4 Original EIA designation: K; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW
PIN5H	—	H — Heater Original EIA designation: H; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW
CAP1P	A	P — Plate (Anode) Original EIA designation: P; independent manufacturer verification pending	Unverified EIA Base Connections, printed page 127, 5AW

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances

Max plate voltage: 750 V
Max screen voltage: 300 V
Max plate dissipation: 25 W
Max screen dissipation: 3.5 W
Max cathode current: 120 mA

RF/AF beam-power tetrode.

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 01

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Heater Current (Avg) e e e e e e e e a e .. 900 Ma
900 Ma
Heater Current (Avg) e e e e e e e e a e .. 900 Ma
Heater Current (Min.)2 . . . . . . . . . . . . 810 Ma TI2
810 Ma
Heater Current (Min.)2 . . . . . . . . . . . . 810 Ma TI2
Plate Current . . . . . . . . . . 24 36 43 Ma
43 Ma
Plate Current . . . . . . . . . . 24 36 43 Ma
Screen Current . . . . . . . . .. — — 4 Ma
4 Ma
Screen Current . . . . . . . . .. — — 4 Ma
Plate Current for E. == =100 Volts . . . — — 0.5 Ma
0.5 Ma
Plate Current for E. == =100 Volts . . . — — 0.5 Ma
Plate Voltage . . . . . . . . . . . . . . . . 400 500 600 750 Volts
750 V
Plate Voltage . . . . . . . . . . . . . . . . 400 500 600 750 Volts
Screen Grid Voltage® . . . . . . . . . . . . . . 300 300 300 300 Volts
300 V
Screen Grid Voltage® . . . . . . . . . . . . . . 300 300 300 300 Volts
Centrol Grid Voltage . . e e e e e e e e e =25 229 S30 -32 Volts
-32 V
Centrol Grid Voltage . . e e e e e e e e e =25 229 S30 -32 Volts
Peak Grid to Grid Signal Voltage e e e e e e e 78 86 78 92 Volts
92 V
Peak Grid to Grid Signal Voltage e e e e e e e 78 86 78 92 Volts
Plate Current (Zero Signal). . . . . . . . . . . . 90 72 60 52 Ma
52 Ma
Plate Current (Zero Signal). . . . . . . . . . . . 90 72 60 52 Ma
Screen Current (Zero Signal) . . . . . . . . . . . 5 5 5 5 Ma
5 Ma
Screen Current (Zero Signal) . . . . . . . . . . . 5 5 5 5 Ma
Load Resistance (Plateto Plate) . . . . . . . . . . 3200 4240 6400 6950 Ohms
6950 Ohms
Load Resistance (Plateto Plate) . . . . . . . . . . 3200 4240 6400 6950 Ohms
Power Output (approx )8 e e e e e e e e e e 55 75 80 120 Watts
120 W
Power Output (approx )8 e e e e e e e e e e 55 75 80 120 Watts
Plate Voltage . . . . . . . . . . . . . . . . 400 500 60O 750 Volts
750 V
Plate Voltage . . . . . . . . . . . . . . . . 400 500 60O 750 Volts
Screen Grid Voltage . . . . . . . . . . . . . . 250 250 250 300 Volts
300 V
Screen Grid Voltage . . . . . . . . . . . . . . 250 250 250 300 Volts
Control Grid Voltage® . . . ... . . . . . . . . . =25 =25 -25 =35 Volts
35 V
Control Grid Voltage® . . . ... . . . . . . . . . =25 =25 -25 =35 Volts
Plate Current . . . . .« « + « .+ + « + « o« . . 75 75 625 60 Ma
60 Ma
Plate Current . . . . .« « + « .+ + « + « o« . . 75 75 625 60 Ma
Screen Current . . e e e e e e e 4 4 3 3 Ma
3 Ma
Screen Current . . e e e e e e e 4 4 3 3 Ma
Control Grid Current ( approx ) e e e e e e e e 0 0 0 0 Ma
0 Ma
Control Grid Current ( approx ) e e e e e e e e 0 0 0 0 Ma
Driving Power (approx.) . . . . . . . . . . . . . 025 025 0.2 0.12 Watt
0.12 W
Driving Power (approx.) . . . . . . . . . . . . . 025 025 0.2 0.12 Watt
Power Output (approx.) . . . « . + + + « « « + . 9 125 125 15 Watts
15 W
Power Output (approx.) . . . « . + + + « « « + . 9 125 125 15 Watts
Plate Voltage. . e e e e e e e e e 325 400 475 600 Volts
600 V
Plate Voltage. . e e e e e e e e e 325 400 475 600 Volts
Screen Grid Voltage10 e e e e e e e e e 225 225 225 275 Volts
275 V
Screen Grid Voltage10 e e e e e e e e e 225 225 225 275 Volts
Control Grid Voltage!* . . . . . . . . . . . =75 -80 -85 -90 Volts
-90 V
Control Grid Voltage!* . . . . . . . . . . . =75 -80 -85 -90 Volts
Screen Current . e e e e e e 5 5.75 5 6.5 Ma
6.5 Ma
Screen Current . e e e e e e 5 5.75 5 6.5 Ma
Grid Current (approx. ) c e e e e e e e 3 3.5 4 4 Ma
4 Ma
Grid Current (approx. ) c e e e e e e e 3 3.5 4 4 Ma
Power Output (approx.) . . . . . . . . . . . 17.5 225 275 42.5 Watts
42.5 W
Power Output (approx.) . . . . . . . . . . . 17.5 225 275 42.5 Watts
Plate Voltage. . e e e e e e e e e e 400 500 600 750 Volts
750 V
Plate Voltage. . e e e e e e e e e e 400 500 600 750 Volts
Screen Grid Voltage12 e e e e e e e e e e 250 250 250 250 Volts
250 V
Screen Grid Voltage12 e e e e e e e e e e 250 250 250 250 Volts
Control Grid Voltage!3 . . . . . . . . . . . —45 —45 —45 —45 Volts
45 V
Control Grid Voltage!3 . . . . . . . . . . . —45 —45 —45 —45 Volts
Plate Current. . . . . . . . . . . . . . . 100 100 100 100 Ma
100 Ma
Plate Current. . . . . . . . . . . . . . . 100 100 100 100 Ma
Screen Current . . e e e e e e e 7.5 6.0 7.0 6.0 Ma
6 Ma
Screen Current . . e e e e e e e 7.5 6.0 7.0 6.0 Ma
Grid Current (approx. ) e e e e e e e e e 3.5 3.5 3.5 35 Ma
35 Ma
Grid Current (approx. ) e e e e e e e e e 3.5 3.5 3.5 35 Ma
Power Qutput (approx.) . . . . . . . . . . . 25 30 40 50 Watts
50 W
Power Qutput (approx.) . . . . . . . . . . . 25 30 40 50 Watts

Other

Heater Current (Max.)2 . . . . . . . . . « . . 990 Ma
990 Ma
Heater Current (Max.)2 . . . . . . . . . « . . 990 Ma
Plate Voltage (Class B,RFor AF) . . . . . . . . 600 Volts Max. 1 700" MAX
600 V
Plate Voltage (Class B,RFor AF) . . . . . . . . 600 Volts Max. 1 700" MAX
Screen Voltage . . e e e« « « « < . 300 Volts Max.
300 V
Screen Voltage . . e e e« « « « < . 300 Volts Max.
Control Grid Voltage (Class C) e v+« « <« « . . . =200 Volts Max.
200 V
Control Grid Voltage (Class C) e v+« « <« « . . . =200 Volts Max.
Plate Dissipation (Class C, Phone3) . . . . . . . . 16.5 Watts Max.
16.5 W
Plate Dissipation (Class C, Phone3) . . . . . . . . 16.5 Watts Max.
Screen Dissipation (Class B, R F) e e e e e e 0. 25 Watts Max.
25 W
Screen Dissipation (Class B, R F) e e e e e e 0. 25 Watts Max.
Screen Dissipation (Class C, Phone?) . e e« . . . 2.5 Watts Max.
2.5 W
Screen Dissipation (Class C, Phone?) . e e« . . . 2.5 Watts Max.
Frequency for 100% Rating . . . . <. . 60 Mc Max.
60 MHz
Frequency for 100% Rating . . . . <. . 60 Mc Max.
Plate Current (Maximum Signal) . . . . . . . . . . 240 240 200 240 Ma
240 Ma
Plate Current (Maximum Signal) . . . . . . . . . . 240 240 200 240 Ma
Screen Current (Maximum Signal) . . . . . . . . . . 10 10 10 10 Ma
10 Ma
Screen Current (Maximum Signal) . . . . . . . . . . 10 10 10 10 Ma

Data set 02

1958 Compagnie General

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Heater Voltage
6.3 V
Heater Current
900 mA
Full-Power Frequency Limit
60 MHz
Approximate
Half-Power Frequency
125 MHz
Approximate

Other

Natural-Cooling Plate Dissipation
25 W
Useful Output Power Minimum
30 W
Below 60MHz
Useful Output Power Maximum
40 W
Below 60MHz

Data set 03

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

Input-Unshielded
1 pF
Output-Unshielded
7 pF

Other

Power Output
120 W
ClassAB;PushPull;PlateVoltage=750V
Power Output
50 W
ClassC;RFPowerAmplifierOrOscillator;PlateVoltage=750V

Data set 04

1966 Tung Sol Electronic Tubes 3 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Heater voltage
6.3 V
Heater current
900 mA
Class B AF maximum plate current
120 mA
ClassB;AF
Class B RF maximum plate current
80 mA
ClassB;RF
Class C continuous plate current
100 mA
ClassC;RF
Full-rating frequency
60 MHz
75 percent rating frequency
125 MHz
Altitude
80000 ft
Maximum plate voltage
600 V
Maximum screen voltage
300 V
Maximum plate dissipation
25 W
Maximum screen dissipation
3.5 W
Maximum cathode current
120 mA