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Power - Pentode (NOT beam) (over 1000V 100W) ·Pentode

PB2200

Directly heated thoriated-tungsten RF power pentode for HF amplification, telegraphy, telephony, and modulation. Philips industrial documentation identifies it as a versatile professional transmitting tube.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
12 V / 3.35 A

Description

PB2200 is a Pentode device in the supplied Philips industrial literature. Directly heated thoriated-tungsten RF power pentode for HF amplifier, telegraphy, telephony, and modulation service.

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
12 V
Nominal heater current
3.35 A
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

Pentode

X-ray radiationInterelectrode capacitances
Transconductance
0.0033 S
Amplification factor
5.9
Max plate voltage
2000 V
Max screen voltage
400 V
Max plate dissipation
110 W
Max screen dissipation
25 W
Max grid dissipation
12 W
Max cathode current
285 mA

Directly heated thoriated-tungsten RF power pentode for HF amplifier, telegraphy, telephony, and modulation service.

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 Philips Electron Tubes Handbook V4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Capacitance

  • Anode capacitance

    14 pF

  • Grid-1 capacitance

    13.7 pF

  • Anode-to-grid1 capacitance

    0.15 pF

Characteristic

  • Amplification factor grid2-grid1

    5.9

  • Transconductance at 55mA

    3300 uS

Other

  • Plate voltage

    2000 V

    ClassC; Telegraphy

  • Grid1 voltage

    -150 V

    ClassC; Telegraphy

  • Screen voltage

    300 V

    ClassC; Telegraphy

  • Plate current

    190 mA

    ClassC; Telegraphy

  • RF output power

    270 W

    ClassC; Telegraphy

  • Plate voltage

    2000 V

    ClassB; Telephony

  • Grid1 voltage

    -65 V

    ClassB; Telephony

  • Screen voltage

    400 V

    ClassB; Telephony

  • Plate current

    77.5 mA

    ClassB; Telephony

  • RF output power

    45 W

    ClassB; Telephony

  • Maximum grid1 dissipation

    12 W

  • Maximum cathode current

    285 mA

  • Maximum peak cathode current

    1400 mA

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum plate voltage

    2000 V

  • Maximum screen voltage

    400 V

  • Maximum plate dissipation

    110 W

  • Maximum screen dissipation

    25 W

  • Maximum cathode current

    285 mA

  • Maximum peak cathode current

    1.4 A

  • Operating plate voltage

    2000 V

    ClassC;Telegraphy

  • Operating screen voltage

    300 V

    ClassC;Telegraphy

  • Operating plate current

    190 mA

    ClassC;Telegraphy

  • RF output power

    270 W

    ClassC;Telegraphy

  • Efficiency

    71 %

    ClassC;Telegraphy

Characteristics

  • Transconductance

    3300 uS

  • Screen-grid amplification factor

    5.9

Capacitance

  • Plate-cathode capacitance

    14 pF

  • Grid-cathode capacitance

    13.7 pF

  • Plate-grid capacitance

    0.15 pF