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Voltage Triode Pentode ·Pentode-Triode

PCF201

Triode-pentode for oscillator, separator, and variable-slope IF-amplifier service.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: Decal
Socket code: B10B
Base pins: 10
Nominal heater: 8.5 V / 300 mA

Description

Triode-pentode for oscillator, separator, and variable-slope IF amplifier 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: Decal
Socket code: B10B
Base pins: 10
Nominal heater voltage: 8.5 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Decal - 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

Plate resistance: 18000 Ω
Transconductance: 0.0048 S
Amplification factor: 17.5
Max plate voltage: 550 V
Max plate dissipation: 1.5 W
Max cathode current: 18 mA

Published ratings and characteristics promoted from the approved English source.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 400000 Ω
Transconductance: 0.0126 S
Amplification factor: 45
Max plate voltage: 550 V
Max screen voltage: 300 V
Max plate dissipation: 2.1 W
Max screen dissipation: 0.6 W
Max cathode current: 20 mA

Published ratings and characteristics promoted from the approved English 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

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

HeaterVoltageNominal
8 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
1.5 W
Maximum Cathode Current
20 mA

Characteristic

Transconductance
5000 µS
Typical
Amplification Factor
50
Typical
Plate Resistance
18000 ohm
Typical

SECTION 2

Pentode

Other

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

Characteristic

Transconductance
4500 µS
Typical
Plate Resistance
400000 ohm
Typical

Data set 02

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Application

Application
LineBlockingOscillator_Multivibrator_Sync_AGC text

SECTION 2

Pentode

Application

Application
RemoteCutoffVideoIFAmplifier text

Data set 03

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

Anode current I,
14 mA
Transconductance S
4.8 mA/V
Cathode peak current Ikp max
50 mA
Heater current It
300 mA
Heater voltage Vi
8.5 V
Anode to all except grid Calg)
3 pF
Grid to all except anode Cg(a)
2.1 pF
Anode to grid Cag
2 pF
Pentode anode to triode anode CaPaT max
0.015 pF
Pentode grid No.l to triode anode CgpaT max
0.0012 pF
Pentode grid No.1 to triode grid CglPgT max
0.0015 pF
Anode current Ia ]
14 mA
Transconductance
4.8 mA/V
Anode voltage Va
30 V
Peak cathode current Ikp
40 mA
Peak anode current Iap
25 mA
Anode supply voltage Vba 130to
150 V
Anode current 1 min
2 mA
Anode voltage Vao max
550 V
Vg max
250 V
Anode dissipation Wy max
1.5 W
Grid resistor Rg max
1 MΩ
Cathode current Iy max. I
8 mA
Cathode to heater voltage Vif max
150 V
Rgp= 18 22 27 90}
1 µA
Rg,= 18 22
27 kΩ
W =210 230
250 V
0 Wy [1]
15 W
0 Wy [2]
-2 V
20 I A
0 V
/ y, L
~12 V
Yy Leort r - - A
1 V
jﬂ} pd A
4 A

SECTION 2

Pentode

Characteristic

Anode current I,
13 mA
Transconductance S
12.6 mA/V
Ce182
1.7 pF
Grid No.2 current Ig2
5.3 mA
Grid No.2 current Ig2 5.4 5.4
5.2 mA
Transconductance S 12.6 12.6
12.6 mA/V
Grid No.l voltage at 0.1 S Vgl -5.1 -5.4
-5.7 V
Grid No.!l voltage at 0.01 S Vgl -19 -20.5
22 V
Grid No.l input resistance at
40 MHz
Grid No.2 dissipation Wg2 max
0.7 W
Grid No.l resistor Rgl max
1 MΩ
Cathode current I max
20 mA
Cathode to heater voltage Vif max
150 V

Capacitance

Anode to all except grid No.l Ca(gl)
3.3 pF
Grid No.1 to all except anode Cgl(a)
6 pF
Grid No.l to cathode Ckg
3.7 pF
Cagl
0.0056 pF

Other

Anode resistor R, 3.9 5.6
6.8 kΩ
Anode current Ia 13.2 13.2
12.8 mA
Anode voltage Vao max
550 V
vV, max
250 V
Anode dissipation Wa max
2.1 W
Grid No.2 voltage VgZO max
550 V
Vgz max.,
250 V