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PFL200

Series-heater dual pentode for television video-frequency amplification and sync-separator service, integrating wideband signal amplification and pulse processing.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: B10B
Socket code: B10B
Base pins: 10
Nominal heater: 17 V / 300 mA

Description

Dual pentode for television video-frequency amplification and sync-separator service.

Socket description

Decal 10-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: B10B
Socket code: B10B
Base pins: 10
Nominal heater voltage: 17 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

B10B - 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

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 33000 Ω
Transconductance: 0.022 S
Max plate voltage: 250 V
Max screen voltage: 230 V
Max plate dissipation: 5.1 W
Max screen dissipation: 2.5 W
Max cathode current: 60 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed when applicable.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 150000 Ω
Transconductance: 0.0085 S
Max plate voltage: 250 V
Max screen voltage: 250 V
Max plate dissipation: 1.5 W
Max screen dissipation: 0.5 W
Max cathode current: 15 mA

Published ratings and characteristics promoted where clearly stated; identical repeated sections compressed when applicable.

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

1967 Mullard Receiving and Amplifying Valves

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Plate voltage
150 V
AmplifierSection
Screen-grid voltage
150 V
AmplifierSection
Plate current
10 mA
AmplifierSection
Screen-grid current
3 mA
AmplifierSection
Grid voltage
-2.1 V
AmplifierSection
Transconductance
8500 uS
AmplifierSection
Plate resistance
150 kOhm
AmplifierSection

Capacitance

Input capacitance
12.5 pF
AmplifierSection
Output capacitance
6.5 pF
AmplifierSection
Plate-grid capacitance
0.1 pF
AmplifierSection

SECTION 2

Pentode

Characteristic

Plate voltage
170 V
OutputSection
Screen-grid voltage
170 V
OutputSection
Plate current
30 mA
OutputSection
Screen-grid current
7 mA
OutputSection
Grid voltage
-2.7 V
OutputSection
Transconductance
22000 uS
OutputSection
Plate resistance
33 kOhm
OutputSection

Capacitance

Input capacitance
10.5 pF
OutputSection
Output capacitance
10.5 pF
OutputSection
Plate-grid capacitance
0.15 pF
OutputSection

Other

Maximum cathode current intermittent
85 mA
ShortDuration
Maximum screen-grid dissipation intermittent
3.2 W
ShortDuration

Data set 02

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterVoltageNominal
17 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
250 V
Maximum Screen Voltage
250 V
Maximum Plate Dissipation
5 W
Maximum Screen Dissipation
1.5 W
Maximum Cathode Current
60 mA

Characteristic

Transconductance
18000 µS
Typical
Plate Resistance
100000 ohm
Typical

SECTION 2

Pentode

Other

HeaterVoltageNominal
17 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
250 V
Maximum Screen Voltage
250 V
Maximum Plate Dissipation
2.5 W
Maximum Screen Dissipation
0.6 W
Maximum Cathode Current
25 mA

Characteristic

Transconductance
5500 µS
Typical
Plate Resistance
500000 ohm
Typical

Data set 03

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
17 V
Published nominal value
Heater current
300 mA
Published nominal value
Transconductance
22000 µS
Published operating characteristic

Other

Maximum plate dissipation
5.1 W
Published maximum rating
Application
Video output; sync separator; AGC; IF sound amplifier
Printed source application

SECTION 2

Pentode

Characteristics

Heater voltage
17 V
Published nominal value
Heater current
300 mA
Published nominal value
Transconductance
8500 µS
Published operating characteristic

Other

Maximum plate dissipation
1.5 W
Published maximum rating

Data set 04

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
17 V
Published nominal value
Heater current
300 mA
Published nominal value

Other

Maximum plate dissipation
5 W
Published maximum rating
Application
Video output; sync separator; AGC; IF amplifier
Printed source application

SECTION 2

Pentode

Characteristics

Heater voltage
17 V
Published nominal value
Heater current
300 mA
Published nominal value

Other

Maximum plate dissipation
1.5 W
Published maximum rating

Data set 05

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Anode current
10 mA
FSection

Characteristic

Transconductance
8500 µS
FSection
Amplification factor
38
FSection
Internal resistance
150 kΩ
FSection

SECTION 2

Pentode

Characteristic

Transconductance
22000 µS
LSection
Amplification factor
38
LSection
Internal resistance
33 kΩ
LSection