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P50

Power-capable pentode documented for amplification, transmitting, pulse, or deflection service. Manufacturer data provide heater, operating, and limiting information for demanding output applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 12.6 V / 700 mA

Description

A pentode intended for amplification, transmitting, pulse, or deflection service, with published heater, operating, and limiting data.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 12.6 V
Nominal heater current: 700 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: 1000 V
Max screen voltage: 300 V

Published ratings and characteristics promoted from the approved German source.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heizspannung Ur
12.6 V
Heizspannung Ur 12,6 V
Heizstrom 4
700 mA
Heizstrom 4 0,7 A
(HF-Scheitelwert) üg1 — <
55 V
(HF-Scheitelwert) üg1 — <55 V
Aussteuerung lq
100 mA
Aussteuerung lq 100 mA
(HF-Scheitelwert) üg1N 110 110 110 100
100 V
(HF-Scheitelwert) üg1N 110 110 110 100 100 V

Characteristic

Anodenspannung U,
1000 V
Anodenspannung U, 1000 V
Schirmgitterspannung Ug
300 V
Schirmgitterspannung Ug 300 V
Gittervorspannung Ue4 —
60 V
Gittervorspannung Ue4 —60 V
Anodenruhestrom 1
30 mA
Anodenruhestrom 1 30 mA
Schirmgitterstrom Iz2
9 mA
Schirmgitterstrom Iz2 9 mA
Nutzleistung*) N
65 W
Nutzleistung*) N 65 W
Anodenspannung U, 600 700 800 1000
1000 V
Anodenspannung U, 600 700 800 1000 1000 V
Schirmgitterspannung U, 250 250 250 300
300 V
Schirmgitterspannung U, 250 250 250 300 300 V
Gittervorspannung Uo4 —80 —80 —80 —80 —
80 V
Gittervorspannung Uo4 —80 —80 —80 —80 —80 V
Anodenstrom \ 130 130 130 120
120 mA
Anodenstrom \ 130 130 130 120 120 mA
Schirmgitterstrom 1z2 10 10 10 10
10 mA
Schirmgitterstrom 1z2 10 10 10 10 10 mA
Gitterstrom lg1 7 5
2 mA
Gitterstrom lg1 7 5 2 mA
Steuerleistung Nar 4 3,5 1,5
0.5 W
Steuerleistung Nar 4 3,5 1,5 0,5 W