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Voltage - Triode (single) ·Triode

P2

Receiving triode for amplification, detection, oscillator, or general electronic service as documented by the manufacturer.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
B4
Base pins
-
Nominal heater
2 V / 200 mA

Description

OSRAM P2 triode for amplification, detection, or power-output service as specified in the supplied datasheet.

Socket description

European 4-pin base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B4
Base pins
-
Nominal heater voltage
2 V
Nominal heater current
200 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
2150 Ω
Transconductance
0.0035 S
Amplification factor
7.5
Max plate voltage
150 V

Published ratings/characteristics promoted from the approved datasheet where legible.

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

193X Osram

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Filament/heater voltage

    2 V

  • Filament/heater current

    200 mA

  • Amplification factor

    2

  • Plate impedance

    3900 ohm

  • Mutual conductance

    3850 uS

  • Amplification factor

    7.5

  • Plate impedance

    2150 ohm

  • Mutual conductance

    3500 uS

Other

  • Maximum anode voltage

    150 V

  • Optimum load

    3760 ohm