16F3P

Russian triode-pentode for television low-frequency amplification and vertical-deflection circuits with series-heater operation. It combines a small-signal triode and power-capable pentode for integrated television time-base service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: -
Socket code: B9A
Base pins: 9
Nominal heater: 16 V / 300 mA

Description

Triode-pentode for television low-frequency amplification and vertical-deflection circuits with series heater operation.

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: -
Socket code: B9A
Base pins: 9
Nominal heater voltage: 16 V
Nominal heater current: 300 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

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances

Max plate voltage: 250 V
Max plate dissipation: 1 W
Max cathode current: 15 mA

Values promoted where clearly identifiable from Russian source.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Max plate voltage: 275 V
Max screen voltage: 250 V
Max plate dissipation: 8 W
Max screen dissipation: 2.5 W

Values promoted where clearly identifiable from Russian 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

1981 Russian Tubes Katsnelson and Larionov

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Transconductance
2.5 µS
Published Russian-source value; OCR-normalized.
Amplification factor
70
Published Russian-source value; OCR-normalized.
Input capacitance
3
Published Russian-source value; OCR-normalized.
Output capacitance
4.3
Published Russian-source value; OCR-normalized.
Transfer capacitance
4.5 V
Published Russian-source value; OCR-normalized.
Plate current
41 mA
Published Russian-source value; OCR-normalized.
Transconductance
7.5 V
Published Russian-source value; OCR-normalized.
Output capacitance
8.3 W
Published Russian-source value; OCR-normalized.
Input capacitance
9.3
Published Russian-source value; OCR-normalized.
Transfer capacitance
0
Published Russian-source value; OCR-normalized.
Heater voltage
16 V
Nominal/published heater value.
Heater current
315 mA
Nominal/published heater value.

SECTION 2

Pentode

Characteristic

Screen current
4 mA
Published Russian-source value; OCR-normalized.