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Диод измерительный 2Д1С
2D1S Measuring Diode for frequencies up to 3000 MHz
Diode de mesure pour des fréquences jusqu'à 3000 Mc/s
Messdiode für Frequenzen bis 3000 MHz

Designed to indicate or measure the power of microwave generators. It can also be used in voltmeter detector heads, but has a low maximum reverse voltage, which limits the range of measured voltages.

Manufacturer: Svetlana, St. Petersburg.

Later replaced by the 6D8D.

Filament: 2.3 V • 400 ± 50 mA
Anode voltage: 5 V
Anode current: 1.6 mA
Anode power: 0.01 W
Warm-up time of the cathode: 30 sec
Max. reverse anode voltage: 100 V
Leakage current anode-cathode: < 5 μA
Capacitance anode-cathode: 0.09 .. 0.45 pF
Expected life (90%): 400 hours

Fiche technique • Data sheet • Datenblatt: 2D1S.pdf

Thanks to Kalle Beljaev who donated this tube.

 

2D1S Measuring Diode for frequencies up to 3000 MHz

Hauteur • Height • Höhe : 32 mm • 1" 1/4
Diamètre • Diameter • Durchmesser : 20 mm • 13/16"

2D1S Measuring Diode for frequencies up to 3000 MHz

2D1S Measuring Diode for frequencies up to 3000 MHz

2D1S Measuring Diode for frequencies up to 3000 MHz

The heated cathode (1) with its end face, on which the oxide layer is applied, faces the anode (2).
(3) heater pins; (4) cathode pin; (5) anode cap; (6) mica holders; (7) mounting posts; (8) getter.

 


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