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PE0640

Power pentode designed for RF transmitting, linear RF amplification, oscillation, modulation, or RF/LF power-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: P8A
Base pins: 8
Nominal heater: 6.3 V / 1.3 A

Description

Indirectly heated transmitting pentode for RF or LF power amplification.

Socket description

European 8-pin side-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: P8A
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 1.3 A
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

Transconductance: 0.004 S
Amplification factor: 5.5
Max plate voltage: 600 V
Max screen voltage: 300 V
Max plate dissipation: 25 W
Max screen dissipation: 5 W
Max cathode current: 130 mA

Promoted where the locked schema directly matches published RF values; frequency/service-specific limits and operating conditions are retained as parameter rows.

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

1963 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Maximum plate voltage
600 V
RFPowerTube
Maximum screen voltage
300 V
RFPowerTube
Application
Indirectly heated transmitting pentode for RF or LF power amplification.
SourceDescription
Service category
RF/AF power service as specified in source
RFPowerTube
Heater/filament voltage
6.3 V
RFPowerTube
Heater/filament current
1.3 A
RFPowerTube
Plate voltage
600 V
RFPowerAmplifier
Screen voltage
300 V
RFPowerAmplifier
Plate current
109 mA
RFPowerAmplifier

Construction

Heating method
Indirect
RFPowerTube
Device class
Pentode
RFPowerTube

Capacitance

Plate capacitance
8.7 pF
RFPowerTube
Control-grid capacitance
15 pF
RFPowerTube

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

hiltnismiBig niedrigen Heizstromverbrauches, strom (Trennstufe) [1]
600 V
ClassC
hiltnismiBig niedrigen Heizstromverbrauches, strom (Trennstufe) [2]
200 V
ClassC
hiltnismiBig niedrigen Heizstromverbrauches, strom (Trennstufe) [3]
40 W
ClassC
strom [1]
600 V
ClassC
strom [2]
300 V
ClassC
6-V-Akkumulator ermdglicht, eignet sich die H.F.-KlasseB (Telephonie) | [1]
600 V
ClassC
6-V-Akkumulator ermdglicht, eignet sich die H.F.-KlasseB (Telephonie) | [2]
250 V
ClassC
Sendern, umsomehr da eine betrichtliche Schirmgitter) 500 vV |
300 V
ClassC
durchaus befriedigend. Die Rohre kann sowohl phie) [1]
600 V
ClassC
durchaus befriedigend. Die Rohre kann sowohl phie) [2]
160 V
ClassC
H.F.-Klasse B (Telephonie) | [1]
600 V
ClassB;ClassC
H.F.-Klasse B (Telephonie) | [2]
250 V
ClassB;ClassC
im Schirmgitter) [1]
600 V
ClassB;ClassC
im Schirmgitter) [2]
130 V
ClassB;ClassC
In nebenstehender Tabelle sind die bei ver- Schirmgitter) [1]
500 V
ClassB;ClassC
In nebenstehender Tabelle sind die bei ver- Schirmgitter) [2]
160 V
ClassB;ClassC
FE 06740 2073911 600 Heizspannung . . . . . . . . ...V
63 V
Heizstrom . . . . . . . ... .. .1If = ca
1.3 A
B O Sattigungsstrom . . . . . . . . . .JI; = ca
8 A
V;‘:sz‘)ovlm_b T 500 Anodenspannung . . . . . . . .. . Vg = max
600 V
V;? b s ;5@;{__,‘{,?/_ _,gzz Schirmgitterspannung . . . . . . . . Vg = max
300 V
| é\.’lll y Héchstzulidssiger Anodenverlust . . . W, = max
25 W
y f 400 Gepriifter Anodenverlust . . . . . . Wg
30 W
F | Hbchstzulédssiger Schirmgitterverlust . Wy, = max
5 W
[/ 500 Steilheit bei Vg [1]
600 V
[/ 500 Steilheit bei Vg [2]
300 V
/ I,
40 mA
}‘ ,I / Héchstzulissiger Kathodenstrom . . . I = max
130 mA
' y Kathode und Heizfaden . . ... . . Vi = max
75 V

Capacitance

/ : & ; IgtmA) Anoden/Kathodenkapazitit . . . . . Cap = ca
8.6 pF
/ ; J oo s Steuergitter/Kathodenkapazitit . . . . Cgr = ca
14 pF
/ ] / },;’!'/Q;j Anoden/Steuergitterkapazitit . . . . . Cggy = ca
0.1 pF