9T40 Tube Specifications

Data set 01

1971 NEC

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Ka!imun starting current LN BN BE B B B RE BF I I R I I I Y I B Y B O )
1 A
Ka!imun starting current LN BN BE B B B RE BF I I R I I I Y I B Y B O ) 1 ampsl
Transconductance ( [1]
8
Transconductance (8t Ib=5 AMPB.) eeveocaceasscoosvececonnens 80 milli-
Transconductance ( [2]
5
Transconductance (8t Ib=5 AMPB.) eeveocaceasscoosvececonnens 80 milli-
Transconductance ( [3]
80
Transconductance (8t Ib=5 AMPB.) eeveocaceasscoosvececonnens 80 milli-
Grid to Plate ® [1]
9
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [2]
0
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [3]
6000
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [4]
82008
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [5]
0
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [6]
0
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Plate ® [7]
0
Grid to Plate ® 9 & 0.0 6000 82008 0t OO0 0P O PSSO SN S AL PO b s 00 loo uuF
Grid to Filament B B BB Y B B IR B I N I I BN B NN BB PR Y B RE I Y Y O RE Y R
180
Grid to Filament B B BB Y B B IR B I N I I BN B NN BB PR Y B RE I Y Y O RE Y R 180 uLLP
Plate tO Filament ¢ [1]
8
Plate tO Filament ¢ 8 608 000000000008 0800000000000ssLLIES '5 u‘m '
Plate tO Filament ¢ [2]
608
Plate tO Filament ¢ 8 608 000000000008 0800000000000ssLLIES '5 u‘m '
Plate tO Filament ¢ [3]
8
Plate tO Filament ¢ 8 608 000000000008 0800000000000ssLLIES '5 u‘m '
Plate tO Filament ¢ [4]
800000000000
Plate tO Filament ¢ 8 608 000000000008 0800000000000ssLLIES '5 u‘m '
Plate tO Filament ¢ [5]
5
Plate tO Filament ¢ 8 608 000000000008 0800000000000ssLLIES '5 u‘m '
Maximum glass temperature .......ceceevcecercancea
180
Maximum glass temperature .......ceceevcecercancea 180 ¢
Ma.imum seal temperature ....ceceicececencreceacons
165
Ma.imum seal temperature ....ceceicececencreceacons 165 oC
DC Plate VOltage ..oierecerncocorraccnoscoceceossocsannnes
15000 V
DC Plate VOltage ..oierecerncocorraccnoscoceceossocsannnes 15000
Max.-Sienal DC Plate Current (Note [1]
3 A
Max.-Sienal DC Plate Current (Note 3) ..................:. 18
Max.-Sienal DC Plate Current (Note [2]
18 A
Max.-Sienal DC Plate Current (Note 3) ..................:. 18
Max.-Signal Fiate Input (Note [1]
3
Max.-Signal Fiate Input (Note 3) vuvvieeriereonecoonnconens 270
Max.-Signal Fiate Input (Note [2]
270
Max.-Signal Fiate Input (Note 3) vuvvieeriereonecoonnconens 270
Plate Dissiration (Note [1]
3
Plate Dissiration (Note 3) tuvieveereennoneecennenenncnans 150
Plate Dissiration (Note [2]
150
Plate Dissiration (Note 3) tuvieveereennoneecennenenncnans 150
DC Grid Voltawe ..vieeeeeessceconcsccesassessccnnne [1]
-300
DC Grid Voltawe ..vieeeeeessceconcsccesassessccnnne -300 340 volis
DC Grid Voltawe ..vieeeeeessceconcsccesassessccnnne [2]
340
DC Grid Voltawe ..vieeeeeessceconcsccesassessccnnne -300 340 volis
Peak AF Plate to Plate Voltage .ceevvecesecsceocnne [1]
19200 V
Peak AF Plate to Plate Voltage .ceevvecesecsceocnne 19200 22400 Jaolts
Peak AF Plate to Plate Voltage .ceevvecesecsceocnne [2]
22400 V
Peak AF Plate to Plate Voltage .ceevvecesecsceocnne 19200 22400 Jaolts
Zero-Signal DC Plate Current R R R [1]
2 A
Zero-Signal DC Plate Current R R R 2 2
Zero-Signal DC Plate Current R R R [2]
2 A
Zero-Signal DC Plate Current R R R 2 2
Max [1]
-3 A
Max.-3ignal DC Plate Current ......ceceecceccccnces 22 30 anpa.,
Max [2]
22 A
Max.-3ignal DC Plate Current ......ceceecceccccnces 22 30 anpa.,
Max [3]
30 A
Max.-3ignal DC Plate Current ......ceceecceccccnces 22 30 anpa.,
Max [1]
-3 A
Max.-3ignal D Grid Current .....ocscecesocecoscesa 1.72 1.24 amps.
Max [2]
1.72 A
Max.-3ignal D Grid Current .....ocscecesocecoscesa 1.72 1.24 amps.
Max [3]
1.24 A
Max.-3ignal D Grid Current .....ocscecesocecoscesa 1.72 1.24 amps.
Effective Load Resistance, Ilate to Plate [1]
784
Effective Load Resistance, Ilate to Plate ......... 784 896 ohms
Effective Load Resistance, Ilate to Plate [2]
896
Effective Load Resistance, Ilate to Plate ......... 784 896 ohms
Max.-Signal Power Outout (APTrOXe) ceeeeeeecescenes [1]
234 W
Max.-Signal Power Outout (APTrOXe) ceeeeeeecescenes 234 273 kv
Max.-Signal Power Outout (APTrOXe) ceeeeeeecescenes [2]
273 W
Max.-Signal Power Outout (APTrOXe) ceeeeeeecescenes 234 273 kv
Note
3
Note 3, Averaged over any audio-frequency cycle of sine-wave form.
DC Pl&te VOltage LR N R NI AR I I I A A I LI A A A A I I B [1]
2 V
DC Pl&te VOltage LR N R NI AR I I I A A I LI A A A A I I B 2 L Y 'Y 12000 volts
DC Pl&te VOltage LR N R NI AR I I I A A I LI A A A A I I B [2]
12000 V
DC Pl&te VOltage LR N R NI AR I I I A A I LI A A A A I I B 2 L Y 'Y 12000 volts
DC Grid VOthge .O.C..O.l...‘......’...'%....l;.‘.'.l.'.. ~
-1500
DC Grid VOthge .O.C..O.l...‘......’...'%....l;.‘.'.l.'.. ~-1500 volta
DC Plate Current [1]
6 A
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
DC Plate Current [2]
0 mA
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
DC Plate Current [3]
5 A
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
DC Plate Current [4]
2 A
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
DC Plate Current [5]
6000000 A
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
DC Plate Current [6]
16 A
DC Plate Current 6 0 05 000002 e0 00006000000 LEOLRNLOPONSLILEOSISIOEDILIDNOPLS 16 amps.
nC Grid current S5 [1]
90000200000 A
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
nC Grid current S5 [2]
0 mA
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
nC Grid current S5 [3]
0 mA
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
nC Grid current S5 [4]
0 mA
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
nC Grid current S5 [5]
0 mA
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
nC Grid current S5 [6]
4.5 A
nC Grid current S5 0090000200000 000000000000000a000s000v80e 4.5 aups.
Plate Input [1]
600
Plate Input 0600 008 0P OPOIRSPLIEOEPONQEPOESENISIOGLEOEANSSIEBROEOEIEDPDPEOETS 190 k¥
Plate Input [2]
8
Plate Input 0600 008 0P OPOIRSPLIEOEPONQEPOESENISIOGLEOEANSSIEBROEOEIEDPDPEOETS 190 k¥
Plate Input [3]
0
Plate Input 0600 008 0P OPOIRSPLIEOEPONQEPOESENISIOGLEOEANSSIEBROEOEIEDPDPEOETS 190 k¥
Plate Input [4]
190
Plate Input 0600 008 0P OPOIRSPLIEOEPONQEPOESENISIOGLEOEANSSIEBROEOEIEDPDPEOETS 190 k¥
Grid DiSSipatiOﬂ [1]
0 kW
Grid DiSSipatiOﬂ 0 0600000080000 5000000 SPOOELITIOGISIIOEISIOEIEDNDNES kW
Grid DiSSipatiOﬂ [2]
600000080000 kW
Grid DiSSipatiOﬂ 0 0600000080000 5000000 SPOOELITIOGISIIOEISIOEIEDNDNES kW
Grid DiSSipatiOﬂ [3]
5000000 kW
Grid DiSSipatiOﬂ 0 0600000080000 5000000 SPOOELITIOGISIIOEISIOEIEDNDNES kW
DC Plate Voltage cceeceseioroorssscoassnnen [1]
10000 V
DC Plate Voltage cceeceseioroorssscoassnnen 10000 10000 12000 vclts
DC Plate Voltage cceeceseioroorssscoassnnen [2]
10000 V
DC Plate Voltage cceeceseioroorssscoassnnen 10000 10000 12000 vclts
DC Plate Voltage cceeceseioroorssscoassnnen [3]
12000 V
DC Plate Voltage cceeceseioroorssscoassnnen 10000 10000 12000 vclts
DC Grid VOltage S0 [1]
20000000 V
DC Grid VOltage S0 0020000000tV PRCONIOIBIOEOIEPLPTOCOEC -530 “530 ~720
DC Grid VOltage S0 [2]
-530 V
DC Grid VOltage S0 0020000000tV PRCONIOIBIOEOIEPLPTOCOEC -530 “530 ~720
DC Grid VOltage S0 [3]
530 V
DC Grid VOltage S0 0020000000tV PRCONIOIBIOEOIEPLPTOCOEC -530 “530 ~720
DC Grid VOltage S0 [4]
720 V
DC Grid VOltage S0 0020000000tV PRCONIOIBIOEOIEPLPTOCOEC -530 “530 ~720
Peak RF Grid Voltage ....icevvsvcccnccsnnes [1]
380 V
Peak RF Grid Voltage ....icevvsvcccnccsnnes 380 1010
Peak RF Grid Voltage ....icevvsvcccnccsnnes [2]
1010 V
Peak RF Grid Voltage ....icevvsvcccnccsnnes 380 1010
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) [1]
10 A
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) 10-4 13
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) [2]
-4 A
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) 10-4 13
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) [3]
13 A
Dc Pl&te Current LACRE I AR SRS A SR RN BB BT B Y S B Y ) 10-4 13
DC Grid Current {ApDroX.) veececesccacessecs [1]
2.3 A
DC Grid Current {ApDroX.) veececesccacessecs 2.3 3
DC Grid Current {ApDroX.) veececesccacessecs [2]
3 A
DC Grid Current {ApDroX.) veececesccacessecs 2.3 3
DC Plate VOltaGAC ceeerrcenssrccsssonvoncescnensncosasencay
15000
DC Plate VOltaGAC ceeerrcenssrccsssonvoncescnensncosasencay 15000 volts
DC Grid VOltage +eeeeeescasocosssocnsssassasesasasosssnna
-1500 V
DC Grid VOltage +eeeeeescasocosssocnsssassasesasasosssnna -1500 volts
DC Plate Current ciieeiiiceccossosossarecsrsosssrscncenas
20 A
DC Plate Current ciieeiiiceccossosossarecsrsosssrscncenas . 20 aLNe
bDC Grid Currﬁnt € [1]
5
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
bDC Grid Currﬁnt € [2]
3
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
bDC Grid Currﬁnt € [3]
8
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
bDC Grid Currﬁnt € [4]
8
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
bDC Grid Currﬁnt € [5]
0
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
bDC Grid Currﬁnt € [6]
4.5
bDC Grid Currﬁnt € 5 P 3 8 8 000000 L0 LIS EEP et teNITREOCEOODSTY 4.5 aurs.
Pl&te Input l'.....l.......ll.“ll!l..:.l>..QO-..-...‘OCC
300
Pl&te Input l'.....l.......ll.“ll!l..:.l>..QO-..-...‘OCC 300 k¥
Plate :issi;dtion ® [1]
0 kW
Plate :issi;dtion ® 0 00 0 PPN NELL NI REOEILEINDEIOEILINICSeLPOIY 120 KW
Plate :issi;dtion ® [2]
0 kW
Plate :issi;dtion ® 0 00 0 PPN NELL NI REOEILEINDEIOEILINICSeLPOIY 120 KW
Plate :issi;dtion ® [3]
0 kW
Plate :issi;dtion ® 0 00 0 PPN NELL NI REOEILEINDEIOEILINICSeLPOIY 120 KW
Plate :issi;dtion ® [4]
120 kW
Plate :issi;dtion ® 0 00 0 PPN NELL NI REOEILEINDEIOEILINICSeLPOIY 120 KW
Grid Disaip&tion AL [1]
2 kW
Grid Disaip&tion AL 2 B L BN 2R AU IE L BN 2R BN B 2K K Y K AU BN BN BN BC BN B BN B R A BC B BN B RSPy 2.5 kW
Grid Disaip&tion AL [2]
2 kW
Grid Disaip&tion AL 2 B L BN 2R AU IE L BN 2R BN B 2K K Y K AU BN BN BN BC BN B BN B R A BC B BN B RSPy 2.5 kW
Grid Disaip&tion AL [3]
2 kW
Grid Disaip&tion AL 2 B L BN 2R AU IE L BN 2R BN B 2K K Y K AU BN BN BN BC BN B BN B R A BC B BN B RSPy 2.5 kW
Grid Disaip&tion AL [4]
2 kW
Grid Disaip&tion AL 2 B L BN 2R AU IE L BN 2R BN B 2K K Y K AU BN BN BN BC BN B BN B R A BC B BN B RSPy 2.5 kW
Grid Disaip&tion AL [5]
2.5 kW
Grid Disaip&tion AL 2 B L BN 2R AU IE L BN 2R BN B 2K K Y K AU BN BN BN BC BN B BN B R A BC B BN B RSPy 2.5 kW
DC Plate VOltAZ® .ieececcorvccracoscossssnsacsans [1]
12000
DC Plate VOltAZ® .ieececcorvccracoscossssnsacsans 12000 15000 volts
DC Plate VOltAZ® .ieececcorvccracoscossssnsacsans [2]
15000
DC Plate VOltAZ® .ieececcorvccracoscossssnsacsans 12000 15000 volts

9T40

Description

Tube and section characteristics

Heater and base

Terminal pinout

Section ratings

Triode

Operating conditions by source

1971 NEC

Triode

Other