7556

Yoltage . . . . .« .o o i iii e

1250

Yoltage . . . . .« .o o i iii e 2,37 2.50 2.63 Volts Inverse . .. . i e e e e 1250 mox. Volts

Current at Filament Volts=

11

Current at Filament Volts=2.5. .. -- 9.0 11 Ampares Ancde Current:

Heating Time ... ....... cea

30

Heating Time ... ....... cea- 30 -- - - Seconds g T 30 max. Amperes

Deionization Time . . . ... ...... less than

5

Deionization Time . . . ... ...... less than 1000 Hsec Average. . .« v v i i s e 2,5 max. Amperes

lonization Time (Approx.) . .. ... v vinn

4.5

lonization Time (Approx.) . .. ... v vinn 10 isec Averaging Time. . . .. ... .. ....... 4.5 max. Sac.

Critical Grid Voltage . .. ... . . See Critical Grid Voltage Curve Surge, max. Duration

0.1

Critical Grid Voltage . .. ... . . See Critical Grid Voltage Curve Surge, max. Duration 0.1 sec.®:

Maximum Critical Grid Current . .,

240

Maximum Critical Grid Current . ., .. .. ... ... 10 pamp Caonnaction {0) . . ... ..« 240 max, Amperes

Interelectrode Capacitances {Approx.): Connection (b}

120

Interelectrode Capacitances {Approx.): Connection (b} .. ........ ... 120 max. Amperes

Anode to Grid + . . . . . i et e e

120

Anode to Grid + . . . . . i et e e 2 ipf Connection {€) . v v v e v v v vt 120 max. Amperes

Typical Are Drop. - . o . v v i e i i i i

10

Typical Are Drop. - . o . v v i e i i i i .. 10 Volts Negative Control Grid Yoltage:

Control Characteristic . ..o ..o v v v Negative Before Conduction

100

Control Characteristic . ..o ..o v v v Negative Before Conduction . . . ... .. ... ... 100 max. Volts

Mounting Position . ... ... . i i i i Aay ) S

0.1

Mounting Position . ... ... . i i i i Aay ) S 0.10 mox Ampers

Bulb v T

70

Bulb v T-12 Ambient Temperature Range. . . . ... -§510+70 max. °C

initial inverse voltage of

350

initial inverse voltage of 350 volrs.

63 max, grid rasistor will reduce the negative voltage at th

63

63 max, grid rasistor will reduce the negative voltage at the grid from the

tive grid supply voltage to o value not more negative than

-10

tive grid supply voltage to o value not more negative than -10

GridtoCothade . .+ v -« . v v i v e e in i van

0.66

GridtoCothade . .+ v -« . v v i v e e in i van 10 Lt Commutotion Factor . . . .. .. ..o v L. 0.66 moax. va/tsec