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Power - Triode ·Triode

RH7C

Contact-cooled Siemens metal-ceramic disc-seal triode for microwave oscillators and amplifiers to about 7 GHz and frequency multiplication to about 9 GHz, using compact low-inductance construction for very-high-frequency service.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
6 V / -

Description

Contact-cooled disc-seal triode in metal-ceramic construction for oscillators and amplifiers to about 7 GHz and frequency multipliers to about 9 GHz.

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
6 V
Nominal heater current
-
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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.016 S
Amplification factor
60
Max plate voltage
600 V
Max plate dissipation
25 W
Max grid dissipation
0.15 W

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 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Frequency range

    7 GHz

    Amplifier/Oscillator

  • Multiplier frequency

    9 GHz

    FrequencyMultiplier

Capacitance

  • Grid-cathode capacitance

    2.6 pF

  • Plate-grid capacitance

    1.7 pF