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MR01

Indirectly heated rectifier for power-supply service. Its 20 V low-current heater suits series strings, while available manufacturer data do not support a narrower specialization.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
20 V / 100 mA

Description

A rectifier tube for high-voltage or power-supply service, with published heater data and rectifier operating or limiting ratings.

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
20 V
Nominal heater current
100 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

Other

X-ray radiationInterelectrode capacitances
Transconductance
0.0001 S
Max plate voltage
15 V
Max plate dissipation
0.04 W
Max cathode current
1.5 mA

Representative electrometer section; two dissimilar bridge systems are present in the 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

Other

Other

  • Heizspannung

    20 V

    Heizspannung 20 V

  • Heizstrom

    100 mA

    Heizstrom 100 mA

  • Steuergittersteilheit 5 0,1 0,1

    0.075 mA

    Steuergittersteilheit 5 0,1 0,1 0,075 mA/N

  • Anodenspannung Ua max

    15 V

    Anodenspannung Ua max 15 V

  • Anodenbelastung Na max

    0.04 W

    Anodenbelastung Na max 0,04 W

  • Raumladegitterspannung Ug1 max

    8 V

    Raumladegitterspannung Ug1 max 8 V

  • Raumladegitterbelastung Ng1 max

    0.02 W

    Raumladegitterbelastung Ng1 max 0,02 W

  • Katodenstrom Ik max

    1.5 mA

    Katodenstrom Ik max 1,5 mA

  • | ca

    20 V

    | ca 20V

Characteristic

  • Betriebsspannung

    12 V

    Betriebsspannung 12 V

  • Anodenspannung

    12 V

    Anodenspannung 12 V

  • Anodenstrom

    0.6 mA

    Anodenstrom 0,6 mA

  • Steuergittervorspannung —Ug2 2,2 2,2

    2.2 V

    Steuergittervorspannung —Ug2 2,2 2,2 2,2 V

  • Gitterfehlstrom !92 < 1X10

    12 A

    Gitterfehlstrom !92 < 1X10-12 A