Data set 01
1962 Eimac
Published operating points and test conditions from this source.
Triode
Characteristics
The EIMAC 3CW40,000H3 is a water-cooled, ceramic-metal power
3 a
| The EIMAC 3CW40,000H3 is a water-cooled, ceramic-metal power
reserve emission is available from its 1500 watt filament. The grid struc
1500 watt
| reserve emission is available from its 1500 watt filament. The grid struc-
ture is rated at 750 watts, making this tube an excellent choice for
750 watts
| ture is rated at 750 watts, making this tube an excellent choice for
Voltage
10 volts
GeneralCharacteristics | Voltage - - - - - - - 10 volts
Current
152 amps
GeneralCharacteristics | Current - - - - - - - 152 168 amps
Amplification Factor
20
GeneralCharacteristics | Amplification Factor - - - - - 20
Grid-Filament
65 pF
GeneralCharacteristics | Grid-Filament - - - - - 65 75 pF
Plate-Filament
2 pF
GeneralCharacteristics | Plate-Filament - - - - = 2.0 2.6 pF
Grid Plate
38 PF
GeneralCharacteristics | Grid Plate - - - - - - 38 48 PF
Other
Ceramic-to-Metal Seals S R ST S T T T S 250°C
250 °C
| Ceramic-to-Metal Seals S R ST S T T T S 250°C
Net Weight
14 pounds
| Net Weight - - - - - - - =« =« == - - - - - - - 14 pounds
(Effective 8-1-67) © 1967 Varian Printed in U.S.A
8 A
| (Effective 8-1-67) © 1967 Varian Printed in U.S.A.
DC Plate Voltage
-7000 volts
RF INDUSTRIAL OSCILLATOR TYPICAL OPERATION* | DC Plate Voltage - - -7000 10,000 volts
Class-C (Filtered DC Power Supply) DC Plate Current
77 amps
RF INDUSTRIAL OSCILLATOR TYPICAL OPERATION* | Class-C (Filtered DC Power Supply) DC Plate Current - - - 77 9.0 amps
DC Grid Voltage
700 volts
RF INDUSTRIAL OSCILLATOR TYPICAL OPERATION* | DC Grid Voltage - - -=700 -850 volts
DC PLATE VOLTAGE
12000 VOLTS
MaximumRatings | DC PLATE VOLTAGE - - - - 12,000 VOLTS Peak Positive Grid Voltage - 240 550 volts
DC PLATE CURRENT
9 AMPS
MaximumRatings | DC PLATE CURRENT - - - - 9.0 AMPS Driving Power - - - 1040 watts
Plate Input Power
54 kW
MaximumRatings | Plate Input Power - - - 54 90 kW
DC GRID VOLTAGE
-1200 VOLTS
MaximumRatings | DC GRID VOLTAGE - - - - -1200 VOLTS Plate Dissipation - - - 16 20 kw
DC GRID CURRENT
1.2 AMPS
MaximumRatings | DC GRID CURRENT - - - - 1.2 AMPS Plate Output Power - - - 37.7 70 kW
PLATE INPUT POWER
100 KW
MaximumRatings | PLATE INPUT POWER - - - - 100 KW Approximate Load Impedance - 408 526 ohms
PLATE DISSIPATION
40 KW
MaximumRatings | PLATE DISSIPATION - - - - 40 KW *Loaded Conditions
the 3CW40,000H3 is 10.0 volts. Filament volt- mounted vertically, either base up or down
3 volts
| the 3CW40,000H3 is 10.0 volts. Filament volt- mounted vertically, either base up or down.
allowed to vary from 10.0 volts by more than gral anode-water jacket. The table below lists
10 volts
| allowed to vary from 10.0 volts by more than gral anode-water jacket. The table below lists
Control Grid Operation
15 °C
| Control Grid Operation — The grid current temperature rise of 15°C.
rating is 1.2 ampere dc. This value should not be
1.2 ampere
| rating is 1.2 ampere dc. This value should not be
0.3 to 0.6 amp grid current to obtain reasonable
0.3 amp
| 0.3 to 0.6 amp grid current to obtain reasonable
efficiency. In industrial heating service with 20 5.25 4.0
20
| efficiency. In industrial heating service with 20 5.25 4.0
continuously with a dc current meter. The maxi- 40 10.2 13.0
40 a
| continuously with a dc current meter. The maxi- 40 10.2 13.0
mum grid dissipation rating is 750 watts
750 watts
| mum grid dissipation rating is 750 watts.
rating of 12,000 volts and maximum plate cur- Since power dissipated by the filament repre
12000 volts
| rating of 12,000 volts and maximum plate cur- Since power dissipated by the filament repre-
rent of 9.0 amps should not be applied simulta- sents 1500 watts and grid dissipation can reach
9 amps
| rent of 9.0 amps should not be applied simulta- sents 1500 watts and grid dissipation can reach
neously as rated plate dissipation may be ex- 750 watts, 2250 watts has been added to anode
750 watts
| neously as rated plate dissipation may be ex- 750 watts, 2250 watts has been added to anode
no modulation. outlet-water temperature will be below 70°C to
70 °C
| no modulation. outlet-water temperature will be below 70°C to
important in industrial service with its wide contact ring by a 132" 1.D. air duct arranged at a
132 a
| important in industrial service with its wide contact ring by a 132" 1.D. air duct arranged at a
used to prevent transient voltages from flashing of 30 MHz, 50°C ambient, and 5000 £t. altitude
30 MHz
| used to prevent transient voltages from flashing of 30 MHz, 50°C ambient, and 5000 £t. altitude.
000H3 is usable to 120 MHz. At this frequency, Product Manager, EIMAC Division of Varian,
0 MHz
| 000H3 is usable to 120 MHz. At this frequency, Product Manager, EIMAC Division of Varian,
plate voltage must be reduced to 7000 volts in 301 Industrial Way, San Carlos, California
7000 volts
| plate voltage must be reduced to 7000 volts in 301 Industrial Way, San Carlos, California
A |578
578 A
| A |578
(M5.29/66
29 A
| (M5.29/66 - A€ EQUIV,)
Z. 3 M7 HOLES A/ M7, FLINGE
3 A
| Z. 3 M7 HOLES A/ M7, FLINGE
(1]1) A
1 A
| (1]1) A