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

TAL1235

Forced-air-cooled three-phase directly heated transmitting triode for high- and low-frequency amplifier and oscillator service. Approximately 12 kW plate dissipation and 12 kV capability support substantial fixed-station RF power.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
28.3 V / 48.5 A

Description

Forced-air-cooled three-phase directly heated transmitting triode for HF/LF 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
28.3 V
Nominal heater current
48.5 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
Amplification factor
12
Max plate voltage
12000 V
Max plate dissipation
12000 W
Max cathode current
2.9 A

Forced-air-cooled three-phase directly heated transmitting triode for HF/LF 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

Other

  • max

    28.3 V

    Cooling | max.28.3 V1)

  • Plate current

    25 A

    Typical characteristics | Ia =t .25 A

  • Caractdristiques types s Va

    12 kV

    Typical characteristics | Caractdristiques types s Va= 12 kV) =

  • Kenndaten

    16.5 mA/V

    Typical characteristics | Kenndaten 16.5 mA/V

  • lsat

    23 A

    Typical characteristics | lsat = 23A

  • a value of

    23 A

    Typical characteristics | a value of 23 A.

  • un courant de saturation de

    23 A

    Typical characteristics | un courant de saturation de 23 A eat indiqu6e h

  • Published electrical value

    23 A

    Typical characteristics | 23 A erhalt.

  • Limiting values Va

    15 kV

    Maximum ratings | Limiting values Va 15 kV Ig =0.6A

  • Limiting values Va

    600 mA

    Maximum ratings | Limiting values Va 15 kV Ig =0.6A

  • Caracteristiques limites -Vg

    1000 V

    Maximum ratings | Caracteristiques limites -Vg=1000 V Wia= 75 kW

  • Caracteristiques limites -Vg

    75 kW

    Maximum ratings | Caracteristiques limites -Vg=1000 V Wia= 75 kW

  • Grenzdaten Ia

    5 A

    Maximum ratings | Grenzdaten Ia = 5A Wa = 18kW

  • Grenzdaten Ia

    18 kW

    Maximum ratings | Grenzdaten Ia = 5A Wa = 18kW

  • F = <

    37.5 MHz

    Maximum ratings | F = <20 <20 <20 27 37.5 Mc/s

  • Va

    10 kV

    Maximum ratings | Va 15 12 10 15 10 kV

  • Vg

    -600 V

    Maximum ratings | Vg = -900 ..700 -600 -900 -600 V

  • Plate current

    4.2 A

    Maximum ratings | Ia = 4.2 4.2 4.2 4.2 4.2 A

  • Ig

    600 mA

    Maximum ratings | Ig = 0.42 0.5 0.53 0.42 0.6 A

  • Vgp

    1200 V

    Maximum ratings | Vgp = 1470 1350 1160 1470 1200 V

  • Wig

    650 W

    Maximum ratings | Wig = 560 610 560 560 650 W

  • is

    42 kW

    Maximum ratings | is = 63 50.4 42 63 42 kW

  • Wa

    16 kW

    Maximum ratings | Wa = 14.5 12.4 11 18 16 kW

  • wo

    26 kV

    Maximum ratings | wo = 48.5 38 31 45 26 kV(

  • Limiting values Va

    15 kV

    Maximum ratings | Limiting values Va = 15 kV

  • Caracttristiques lirnites Ia

    2.5 A

    Maximum ratings | Caracttristiques lirnites Ia = 2.5 A

  • Grenzdaten Wia

    37.5 kW

    Maximum ratings | Grenzdaten Wia = 37.5 kW

  • Pa

    18 kW

    Maximum ratings | Pa = 18 kW

  • f = <

    20 MHz

    Maximum ratings | f = <20 <20 <20 Mc/s

  • Plate voltage

    10 kV

    Maximum ratings | Va = 15 12 10 kV

  • Vg

    -315 V

    Maximum ratings | Vg = -500 -400 -315 V

  • Plate current

    2.5 A

    Maximum ratings | Ia = 1.8 2.2 2.5 A

  • Vgp

    440 V

    Maximum ratings | Vgp = 500 470 440 V

  • Vita

    25 kW

    Maximum ratings | Vita = 27 26.5 25 kW

  • Via

    17 kW

    Maximum ratings | Via = 18 18 17 kW

  • wo

    8 kW

    Maximum ratings | wo = 9 8.5 8 kW

  • Ig

    400 mA

    Maximum ratings | Ig = 0.3 0.36 0.4 A

  • wig

    317 W

    Maximum ratings | wig 270 305 317 W

  • Limiting values Va = max

    12 kV

    Maximum ratings | Limiting values Va = max. 12 kV

  • Vg = max

    1000 V

    Maximum ratings | -Vg = max. 1000 V

  • Plate current

    2.9 A

    Maximum ratings | Ia = max. 2.9 A

  • Ig = max

    600 mA

    Maximum ratings | Ig = max. 0.6 A

  • Wia = max

    35 kW

    Maximum ratings | Wia = max. 35 kW

  • Wa = max

    12 kW

    Maximum ratings | Wa = max. 12 kW

  • £ = <

    27 MHz

    Maximum ratings | £ = <20 <20 27 27 Mc/s

  • Plate voltage

    10 kV

    Maximum ratings | Va = 12 10 12 10 kV

  • Control-grid voltage

    -900 V

    Maximum ratings | Vg 1)= -1000 -900 -1000 -900 V

  • Plate current

    2.9 A

    Maximum ratings | Ia = 2.9 2.9 2.9 2.9 A

  • Ig

    500 mA

    Maximum ratings | Ig = 0.4 0.45 0.45 0.5 A

  • Vgp

    1600 V

    Maximum ratings | Vgp = 1600 1550 1650 1600 V

  • Wia

    29 kW

    Maximum ratings | Wia = 35 29 35 29 kW

  • Published electrical value

    1 V

    Maximum ratings | 1Va = 8 7.5 9 8.5 kW

  • Published electrical value

    8.5 kW

    Maximum ratings | 1Va = 8 7.5 9 8.5 kW

  • Power output

    20.5 kW

    Maximum ratings | Wo = 27 21.5 26 20.5 kW

  • Wmod

    14.5 kW

    Maximum ratings | Wmod = 17.5 14.5 17.5 14.5 kW

  • Limiting values Va = max

    15 kV

    Maximum ratings | Limiting values Va = max. 15 kV

  • Wia = max

    90 kW

    Maximum ratings | Wia = max. 90 kW

  • Wa = max

    18 kW

    Maximum ratings | Wa = max. 18 kW

  • Plate voltage

    12 kV

    Maximum ratings | Va = 12 12 kV

  • Vg

    -425 V

    Maximum ratings | Vg = -400 -425 V

  • Vggp

    1480 V

    Maximum ratings | Vggp = 0 2000 0 1480 V

  • Plate current

    2.25 A

    Maximum ratings | Ia = 2x0.35 2x4.5 2x0.15 2x2.25 A

  • Ig

    190 mA

    Maximum ratings | Ig = 02x0.55 0 2x0.19 A

  • Igp

    1.25 A

    Maximum ratings | Igp = 0 2x3 0 2x1.25 A

  • Wig

    127 W

    Maximum ratings | Wig 0 2x500 0 2x127 W

  • Wia

    27 kW

    Maximum ratings | Wia = 2x4.2 2x54 2x1.8 2x27 kW

  • Wa

    7.7 kW

    Maximum ratings | Wa = 2x4.2 2x14 2x1.8 2x7.7 kW

  • Published electrical value

    38.5 kW

    Maximum ratings | = 0 80 0 38.5 kW

  • Plate voltage

    10 kV

    Maximum ratings | Va = 10 10 kV

  • Vg

    -345 V

    Maximum ratings | Vg = -325 -345 V

  • Vggp

    1330 V

    Maximum ratings | Vggp = 0 2050 0 1330 V

  • Plate current

    2.25 A

    Maximum ratings | Ia = 2x0.3 2x5.4 2x0.14 2x2.25 A

  • Ig

    200 mA

    Maximum ratings | Ig = 0 2x0.6 0 2x0.2 A

  • I gp

    1.35 A

    Maximum ratings | I gp 0 2x3 0 2x1.35 A

  • Wig

    120 W

    Maximum ratings | Wig = 0 2x555 0 2x120 W

  • Wia

    22.5 kW

    Maximum ratings | Wia = 2x3 2x54 2x1.4 2x22.5 kW

  • Wa

    6.5 kW

    Maximum ratings | Wa = 2x3 2x15.5 2x1.4 2x6.5 kW

  • Power output

    32 kW

    Maximum ratings | Wo = 0 77 0 32 kW

  • Published electrical value

    7.1954 A

    Maximum ratings | 7.7.1954 A

  • Published electrical value

    15 V

    Maximum ratings | 0 5 0 15 Va(kV)

  • U® s

    15 kV

    Class C telegraphy | U® s 15kV

  • IIII IIIII

    10 kV

    Class C telegraphy | IIII IIIII =10kV III•IIII .*►dIIIIIIIIII

  • V~

    12 kV

    Class C telegraphy | V~ =12kV

  • Published electrical value

    7 kw

    Class C telegraphy | 7kw) 2xTAL 12/35 Ii

Characteristic

  • Published electrical value

    48.5 A

    Cooling | 48.5 A

  • Published electrical value

    100 A

    Cooling | 100 A per phase at any time during initial energis-

  • une valeur de crdte de

    100 A

    Cooling | une valeur de crdte de 100 A par phase.

  • Published electrical value

    100 A

    Cooling | 100 A pro Phase Uberschreiten.

  • When the valve is used at frequencies above

    10 MHz

    Cooling | When the valve is used at frequencies above 10 Mc/s.

  • value at frequencies above

    10 MHz

    Cooling | value at frequencies above 10 Mc/s.

  • le tube aux frequences superieures

    10 MHz

    Cooling | le tube aux frequences superieures 10 Mc/s.

  • Published electrical value

    10 MHz

    Cooling | 10 Mc/s et que. par consequent. la temperature maxi-

  • bei Frequenzen hoher ale

    10 MHz

    Cooling | bei Frequenzen hoher ale 10 MHz dttrfte in gewissen

  • Plate voltage

    12 kV

    Modulator operation | Va =12kV

Capacitance

  • Capacitances Ca

    2.6 pF

    Capacitances | Capacitances Ca = 2.6 pF

  • Capacites Cg

    72 pF

    Capacitances | Capacites Cg = 72 pF

  • Kapazit

    31 pF

    Capacitances | Kapazit8ten Cagi .= 31 pF

Data set 02

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Capacitances Ce

    2.6 a

    Capacitances Ce = 2,6 pF

  • Fdllen, 2.B., bei einer niedrigen Anodenverlustleis

    2 A

    Fdllen, 2.B., bei einer niedrigen Anodenverlustleis-

  • 1) Grid bias partially obtained by the grid resistor

    1 a

    1) Grid bias partially obtained by the grid resistor