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807

Classic transmitting beam tetrode for RF power amplification, Class-C oscillator service, and audio-frequency power amplification, with extensive push-pull operating data.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 5AW
Socket code: UX5
Base pins: 5
Nominal heater: 6.3 V / 900 mA

Description

Transmitting tetrode for RF or audio-frequency amplification and Class C oscillator service.

Socket description

Small 5-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 5AW
Socket code: UX5
Base pins: 5
Nominal heater voltage: 6.3 V
Nominal heater current: 900 mA
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

Plate resistance: 24000 Ω
Transconductance: 0.0069 S
Amplification factor: 8
Max plate voltage: 600 V
Max screen voltage: 300 V
Max plate dissipation: 25 W
Max screen dissipation: 3.5 W
Max cathode current: 100 mA

Beam power section; published table gives separate triode- and pentode-connected push-pull Class AB conditions.

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

1938 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

ratings in all classes of service at frequencies as high as
60 MHz
ratings in all classes of service at frequencies as high as 60 megacycles. In class
approximately
80 W
approximately 80 watts. RCA-807 has a ceramic base.
D-C Plate Voltage
600 V
D-C Plate Voltage - 600 max. Volts
D-C Screen Voltage . 300 300
300 V
D-C Screen Voltage . 300 300 300 Volts
Load Resistance (Per tube) . 950 1165
1665 Ω
Load Resistance (Per tube) . 950 1165 1665 Ohms
D-C Screen Voltage (Grid No. 2)
300 V
D-C Screen Voltage (Grid No. 2). 300 max. Volts
D-C Plate Current
80 mA
D-C Plate Current... 80 max. Milliamperes
Plate Dissipation
25 W
Plate Dissipation .. 25 max. Watts
D-C Plate Voltage . 400 500
600 V
D-C Plate Voltage . 400 500 600 Volts
D-C Screen Voltage. 250 250
250 V
D-C Screen Voltage. 250 250 250 Volts
D-C Grid Vottage (Grid No. 1).. -25 -25
-25 V
D-C Grid Vottage (Grid No. 1).. -25 -25 -25 Volts
Peak R'F Grid Voltage . 30 30
20 V
Peak R'F Grid Voltage . 30 30 20 Volts
D-C Plate Current . 75 75
62.5 mA
D-C Plate Current . 75 75 62.5 Milliamperes
D-C Screen Current. 4 4
3 mA
D-C Screen Current. 4 4 3 Milliamperes
Power Output (Approx.) .. 9 12.5
12.5 W
Power Output (Approx.) .. 9 12.5 12.5 Watts

Data set 02

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Maximum Frequency
125 MHz

Application

Application
RFPower_Oscillator_AudioPower text

Data set 03

1948 Brimar Radio Valve Manual

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate Voltage
300 V
ClassA,Point1
Plate Current
83 mA
ClassA,Point1
Screen Voltage
250 V
ClassA,Point1
Screen Current
8 mA
ClassA,Point1
Optimum Load
3000 ohm
ClassA,Point1
Power Output
6.4 W
ClassA,Point1
Plate Voltage
500 V
ClassA,Point2
Plate Current
50 mA
ClassA,Point2
Power Output
11.5 W
ClassA,Point2
Push-Pull Power Output
80 W
ClassAB2,PushPull,TwoTubes

Characteristic

Plate Resistance
24000 ohm
ClassA,Point1
Transconductance
6500 µS
ClassA,Point1
Plate Resistance
39000 ohm
ClassA,Point2
Transconductance
5700 µS
ClassA,Point2

Data set 04

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum full-rating frequency
60 MHz
Maximum signal power output
120 W
ClassAB

Data set 05

1956 RCA Transmitting Tubes

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristic

Transconductance
6000 µS
Amplification Factor
8

Other

Maximum Plate Voltage
750 V
Maximum Screen Voltage
300 V
Maximum Plate Dissipation
30 W
Maximum Cathode Current
120 mA
Full-Input Operating Frequency Maximum
60 MHz
Power Output
120 W
ClassAB2,AF,TwoTubes
Typical Plate Voltage
750 V
Representative published point
Typical Plate Current
100 mA
Representative published point

Data set 06

1958 Amperex Industrial

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum plate voltage
600 V
Published Amperex table
Maximum screen voltage
250 V
Published Amperex table
Power output
100 W
Published Amperex table
Plate dissipation
25 W
Published Amperex table
Plate current
100 mA
Published Amperex table
Grid bias
45 V
Published Amperex table
Grid current
4 mA
Published Amperex table
Maximum frequency
60 MHz
Published Amperex table

Characteristic

Heater/filament voltage
6.3 V
Published Amperex table
Heater/filament current
900 mA
Published Amperex table

Data set 07

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum Full-Rating Frequency
60 MHz
Reduced-Rating Frequency
120 MHz
50 percent ratings
Anode Voltage
500 V
ClassA
Anode Current
50 mA
ClassA
Screen Voltage
200 V
ClassA

Data set 08

195X General Electric Essential Characteristics

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Maximum plate voltage
400 V
TriodeConnection
Maximum plate voltage
600 V
PentodeConnection
Maximum screen-grid voltage
300 V
PentodeConnection
Plate voltage
400 V
ClassAB;PushPull;TwoTubes;TriodeConnection
Grid voltage
-15 V
ClassAB;PushPull;TwoTubes;TriodeConnection
Plate current
30 mA
ClassAB;PushPull;TwoTubes;TriodeConnection
Load resistance
3000 ohm
ClassAB;PushPull;TwoTubes;TriodeConnection
Power output
30 W
ClassAB;PushPull;TwoTubes;TriodeConnection
Plate voltage
600 V
ClassAB;PushPull;TwoTubes;PentodeConnection
Screen-grid voltage
300 V
ClassAB;PushPull;TwoTubes;PentodeConnection
Grid voltage
-30 V
ClassAB;PushPull;TwoTubes;PentodeConnection
Plate current
30 mA
ClassAB;PushPull;TwoTubes;PentodeConnection
Screen-grid current
5 mA
ClassAB;PushPull;TwoTubes;PentodeConnection
Load resistance
6400 ohm
ClassAB;PushPull;TwoTubes;PentodeConnection
Power output
30 W
ClassAB;PushPull;TwoTubes;PentodeConnection

Data set 09

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Plate voltage
600 V
RFPower
Plate current
100 mA
RFPower
Power output
40 W
RFPower
Grid voltage
-45 V
RFPower
Grid current
4 mA
RFPower
Maximum frequency
60 MHz
RFPower

Capacitance

Input capacitance
11 pF
Output capacitance
7 pF

Data set 10

1963 Ferranti

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Peak plate voltage maximum
2000 V
Negative control-grid voltage magnitude maximum
200 V
Peak cathode current maximum
400 mA
Screen-grid current maximum
10 mA
Control-grid current maximum
5 mA
Peak control-grid current maximum
25 mA
Plate voltage
300 V
ClassA;SingleEnded
Screen-grid voltage
250 V
ClassA;SingleEnded
Control-grid voltage
-12.5 V
ClassA;SingleEnded
Plate current
83 mA
ClassA;SingleEnded
Screen-grid current
8 mA
ClassA;SingleEnded
Load resistance
3000 Ohm
ClassA;SingleEnded
Output power
6.4 W
ClassA;SingleEnded

Characteristics

Plate resistance
24000 Ohm
ClassA;Va=300V
Transconductance
6500 uS
ClassA;Va=300V

Data set 11

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Characteristics

Heater or filament voltage
6.3 V
Published nominal value
Heater or filament current
900 mA
Published nominal value

Other

Maximum plate dissipation
25 W
Published limit
Maximum operating frequency
60 MHz
Class C service