6CV7

Double-diode high-mu triode providing detector diode sections and a high-gain triode for receiving and signal-amplifier applications.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 3
Base: OCTAL
Socket code: B9A
Base pins: -
Nominal heater: 6.3 V / 230 mA

Description

Double-diode high-mu triode. The supplied Philips/JETEC/RTMA sheet was read for heater data, section ratings, characteristics, operating conditions, and capacitances, with repeated identical sections compressed only where the locked workflow allows.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: OCTAL
Socket code: B9A
Base pins: -
Nominal heater voltage: 6.3 V
Nominal heater current: 230 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

OCTAL - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

3 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Plate resistance: 54000 Ω
Transconductance: 0.0013 S
Amplification factor: 70
Max plate voltage: 300 V
Max plate dissipation: 1 W
Max cathode current: 5 mA

Section 2

Diode

X-ray radiationInterelectrode capacitances

Max plate voltage: 200 V
Rectifier nominal output current: 0.8 mA

Representative of two diode systems.

Section 3

Diode

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Second physical Diode section added for documented double-diode triode construction.

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

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

Heater voltage
6.3 V
Heater current
230 mA
Plate voltage
250 V
Plate current
1 mA
Transconductance
1300 uS
Plate resistance
54000 ohm
Amplification factor
70

Capacitance

Triode grid-cathode capacitance
2.75 pF
Triode plate-grid capacitance
1.3 pF

SECTION 2

Diode

Other

Maximum diode plate voltage
200 V
Maximum diode current
0.8 mA