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Power - Triode (over 1000V 100W) ·Triode

TAL1220

Forced-air-cooled directly heated Philips transmitting triode for high-frequency amplifier and oscillator service. Approximately 18 kW plate dissipation and 12 kV capability provide major professional transmitter power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
21.5 V / 78 A

Description

Forced-air-cooled directly heated transmitting triode for HF amplifier and oscillator 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
21.5 V
Nominal heater current
78 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

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.01 S
Amplification factor
38
Max plate voltage
12000 V
Max plate dissipation
18000 W

Forced-air-cooled directly heated transmitting triode for HF amplifier and oscillator 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

Triode

Characteristic

  • If

    78 A

    Cooling | If = 78 A )

  • Starting heater current

    160 A

    Cooling | Starting current must never exceed 160 A

  • Le courant de demarrage ne doit jamais exc~der

    160 A

    Cooling | Le courant de demarrage ne doit jamais exc~der 160 A

  • sein als

    160 A

    Cooling | sein als 160 A

Other

  • Plate current

    1 A

    Typical characteristics | Caractdristiques typiques S (Ia = 1 A)= 10 mA/V

  • Plate current

    10 mA/V

    Typical characteristics | Caractdristiques typiques S (Ia = 1 A)= 10 mA/V

  • Kenndaten last

    11 A

    Typical characteristics | Kenndaten last = 11 A

  • a value of

    11 A

    Class C telegraphy | a value of 11 A

  • tion de

    11 A

    Class C telegraphy | tion de 11 A

  • Published electrical value

    11 A

    Class C telegraphy | 11 A erhalt

  • Capacitancea Oaf

    1.9 pF

    Class C telegraphy | Capacitancea Oaf = 1.9 pF

  • Capacitds Cgf

    23.5 pF

    Class C telegraphy | Capacitds Cgf = 23.5 pF

  • MapazitAten Cag

    25 pF

    Class C telegraphy | MapazitAten Cag = 25 pF

  • Plate voltage

    12 kV

    Maximum ratings | Va = max. 12 kV ti=20

  • Wa = max

    18 kW

    Maximum ratings | Wa = max. 18 kW

  • on the grid seals at frequencies higher than

    20 MHz

    Maximum ratings | on the grid seals at frequencies higher than 20 Mc/s

  • frdquences ddpaseant

    20 MHz

    Maximum ratings | frdquences ddpaseant 20 Mc/s

  • Bei Frequenzen h&her ale

    20 MHz

    Maximum ratings | Bei Frequenzen h&her ale 20 MHz ist em n schwacher

  • Plate voltage

    12 kV

    Maximum ratings | Va = max. 12 kV to max. 60 °C

  • Plate voltage

    60 °C

    Maximum ratings | Va = max. 12 kV to max. 60 °C

  • Wa = max

    18 kW

    Maximum ratings | Wa = max. 18 kW to-ti = max. 14 °C

  • Wa = max

    14 °C

    Maximum ratings | Wa = max. 18 kW to-ti = max. 14 °C

  • Wg = max

    500 W

    Maximum ratings | Wg = max. 500 W q (Wa=18 kW)= min. 20 1/min

  • Wg = max

    18 kW

    Maximum ratings | Wg = max. 500 W q (Wa=18 kW)= min. 20 1/min

  • points de scellement = max

    150 °C

    Maximum ratings | points de scellement = max. 150 °C

  • fr

    20 MHz

    Maximum ratings | fr6quences ddpassant 20 Mc/s

  • S

    1 S

    Maximum ratings | S 503/01 S 504/01

  • Betriebsdaten H.F

    10 a

    Maximum ratings | Betriebsdaten H.F. 10 asse C

  • Plate voltage

    10 kV

    Class C telegraphy | Va = 12 10 10 kV

  • vg

    -900 V

    Class C telegraphy | vg = -600 -500 -900 V

  • Ia

    1.4 A

    Class C telegraphy | Ia 2.7 2.7 1.4 A

  • Ig

    500 mA

    Class C telegraphy | Ig = 0.4 0.42 0.5 A

  • Vgp

    2100 V

    Class C telegraphy | Vgp = 1800 1600 2100 V

  • Wig

    1050 W

    Class C telegraphy | Wig = 720 670 1050 W

  • Wia

    14 kW

    Class C telegraphy | Wia 32.4 27 14 kW

  • Wa

    4.5 kW

    Class C telegraphy | Wa 10.4. 9 4.5 kW

  • Wo

    9.5 kW

    Class C telegraphy | Wo 22 18 9.5 kW

  • Wmod

    7 kW

    Class C telegraphy | Wmod 7 kW

  • Plate voltage

    12 kV

    Class C telegraphy | Va = 12 kV

  • Vg

    -200 V

    Class C telegraphy | Vg = -200 V

  • Plate current

    1.54 A

    Class C telegraphy | Ia = 1.54 A

  • Vgp

    435 V

    Class C telegraphy | Vgp = 435 V

  • wia

    18.5 kW

    Class C telegraphy | wia = 18.5 kW

  • Wa

    13.5 kW

    Class C telegraphy | Wa = 13.5 kW

  • Power output

    5 kW

    Class C telegraphy | Wo = 5 kW

  • Ig

    240 mA

    Class C telegraphy | Ig = 0.24 A

  • Wig

    210 W

    Class C telegraphy | Wig = 210 W

  • Plate voltage

    10 kV

    Class C telegraphy | Va = 12 10 kV

  • Vg

    -200 V

    Class C telegraphy | Vg = -250 -200 V

  • Plate current

    1.1 A

    Class C telegraphy | Ia = 2x0.32 2x2.45 2x0.25 2x1.1 A

  • Ig

    170 mA

    Class C telegraphy | Ig = 0 2x0.33 0 2x0.17 A

  • Wig

    85 W

    Class C telegraphy | Wig = 0 2x280 0 2x85 W

  • Published electrical value

    11 kW

    Class C telegraphy | = 2x3.8 2x29 2x2.5 2x11 kW

  • Wa

    3 kW

    Class C telegraphy | Wa = 2x3.8 2x8 2x2.5 2x3 kW

  • Power output

    16 kW

    Class C telegraphy | Wo = 0 42 0 16 kW

  • Published electrical value

    15 V

    Class C telegraphy | 0 10 15 Va kV 20

  • Plate voltage

    12 kV

    Class C telegraphy | Va =12kV

  • Published electrical value

    15 V

    Class C telegraphy | 15 Va 40kV •■■UUV

  • Published electrical value

    40 kV

    Class C telegraphy | 15 Va 40kV •■■UUV

  • Published electrical value

    500 V

    Class C telegraphy | 250 500 750 100 250 l500Vgp(v)

Capacitance

  • Capacitances Caf

    1.4 pF

    Capacitances | Capacitances Caf = 1.4 pF

  • Capacit

    6 s

    Capacitances | Capacit6s Cgf = 23.5 pF

  • Capacit

    23.5 pF

    Capacitances | Capacit6s Cgf = 23.5 pF

  • Kapazitaten Cag

    25 pF

    Capacitances | Kapazitaten Cag = 25 pF

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Saturation current

    11 A

  • Anode-filament capacitance

    1.9 pF

  • Grid-filament capacitance

    23.5 pF

  • Anode-grid capacitance

    25 pF

Other

  • Grid dissipation maximum

    500 W