Rectifier - Half Wave ·Rectifier
Directly heated mercury-vapor half-wave rectifier for broadcasting and industrial high-voltage supplies. Its massive filament and low arc voltage provide several amperes of output.
Mercury-vapor half-wave rectifier for broadcasting and industrial high-voltage supplies.
Jumbo 3-contact transmitting-tube base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Promoted values are taken from printed General Characteristics / Maximum Ratings. Additional published conditions and operating data are preserved in parameters.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Heater/Filament Voltage
5 V
Published datasheet value
Heater/Filament Current
180 A
Published datasheet value
Maximum Peak Inverse Voltage
20000 V
Published datasheet value
Maximum Average/Output Current
5 A
Published datasheet value
Data set 02
Published operating points and test conditions from this source.
Filament voltage
5 V
MercuryVapor
Filament current
18 A
MercuryVapor
Peak inverse anode voltage maximum
20000 V
HalfWave;MercuryVapor
Peak anode current maximum
10 A
HalfWave;MercuryVapor
Average anode current maximum
2.5 A
HalfWave;MercuryVapor
Recommended mercury temperature range
Mercury +30 to +40 °C
MercuryVapor
Filament heating time
60 s
MercuryVapor
Tube voltage drop
10 V
MercuryVapor
Data set 03
Published operating points and test conditions from this source.
Filament Current
17 A to 21 A
Anode Starting Voltage
30 V
Condensed Mercury Temperature Range
30 to 60 C
PIV=10kV
Condensed Mercury Temperature Range
30 to 50 C
PIV=15kV
Condensed Mercury Temperature Range
30 to 40 C
PIV=20kV
Peak Anode Current In-Phase
10 A
InPhaseExcitation
Average Anode Current In-Phase
2.5 A
InPhaseExcitation
Maximum AC Short-Circuit Current
100 A
Duration<=100ms
Data set 04
Published operating points and test conditions from this source.
Filament heating time
60 s
HalfWave;MercuryVapor
Tube voltage drop
10 V
HalfWave;MercuryVapor
Peak inverse anode voltage maximum
20000 V
HalfWave;MercuryVapor
Peak anode current maximum
10 A
HalfWave;MercuryVapor
Average anode current maximum
2.5 A
HalfWave;MercuryVapor
Recommended mercury temperature range
+30 to +40 °C
MercuryVapor
Data set 05
Published operating points and test conditions from this source.
to conduct at relatively low applied voltages. The [1]
8698 V
to conduct at relatively low applied voltages. The 8698 and 869BL carry maxi-
to conduct at relatively low applied voltages. The [2]
869 V
to conduct at relatively low applied voltages. The 8698 and 869BL carry maxi-
mum ratings of [1]
20 kV
mum ratings of 20 kv peak inverse voltage, 5 amperes dc and 20 amperes peak
mum ratings of [2]
5 kV
mum ratings of 20 kv peak inverse voltage, 5 amperes dc and 20 amperes peak
mum ratings of [3]
20 kV
mum ratings of 20 kv peak inverse voltage, 5 amperes dc and 20 amperes peak
Voltage
5 V
Voltage --------------- 5.0 V
Current [1]
17 A
Current -------------- 17 to 21 A
Current [2]
21 A
Current -------------- 17 to 21 A
Filament Heating Time
60
Filament Heating Time ------------ 60 Sec
Anode starting voltage (approx.)
30 V
Anode starting voltage (approx.) --------- 30 V
CONDENSED MERCURY TEMPERATURE RANGE* [1]
30
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
CONDENSED MERCURY TEMPERATURE RANGE* [2]
-60
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
CONDENSED MERCURY TEMPERATURE RANGE* [3]
30
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
CONDENSED MERCURY TEMPERATURE RANGE* [4]
-50
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
CONDENSED MERCURY TEMPERATURE RANGE* [5]
30
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
CONDENSED MERCURY TEMPERATURE RANGE* [6]
-4
CONDENSED MERCURY TEMPERATURE RANGE* ----- 30-60 30-50 30-4o° c
PEAK INVERSE ANODE VOLTAGE [1]
10 kV
PEAK INVERSE ANODE VOLTAGE ----------- 10 15 20 MAX KV
PEAK INVERSE ANODE VOLTAGE [2]
15 kV
PEAK INVERSE ANODE VOLTAGE ----------- 10 15 20 MAX KV
PEAK INVERSE ANODE VOLTAGE [3]
20 kV
PEAK INVERSE ANODE VOLTAGE ----------- 10 15 20 MAX KV
AVERAGE ANODE CURRENT: (
30 mA
AVERAGE ANODE CURRENT: (30 second maximum averaging time)
MAXIMUM AC SHORT-CIRCUIT CURRENT*** [1]
100 mA
MAXIMUM AC SHORT-CIRCUIT CURRENT*** ---- 100 100 100MAXAMPS
MAXIMUM AC SHORT-CIRCUIT CURRENT*** [2]
100 mA
MAXIMUM AC SHORT-CIRCUIT CURRENT*** ---- 100 100 100MAXAMPS
MAXIMUM AC SHORT-CIRCUIT CURRENT*** [3]
100 mA
MAXIMUM AC SHORT-CIRCUIT CURRENT*** ---- 100 100 100MAXAMPS
**Quadrature excitation refers to anode current and filament current [1]
90 A
**Quadrature excitation refers to anode current and filament current 90°±30° out of phase.
**Quadrature excitation refers to anode current and filament current [2]
30 A
**Quadrature excitation refers to anode current and filament current 90°±30° out of phase.
Mounting: The [1]
8698
Mounting: The 8698 and 869BL must be This temperature should be maintained at 40°
Mounting: The [2]
869
Mounting: The 8698 and 869BL must be This temperature should be maintained at 40°
Mounting: The [3]
40
Mounting: The 8698 and 869BL must be This temperature should be maintained at 40°
Published value
3
3 inch insulated flexible leads with lugs. Fo measure the condensed-mercury temperature a
ture of the condensed mercury in the
8698 V
ture of the condensed mercury in the 8698 and than the recommended value raises the voltage at
volts. Unavoidable variations in filament voltage X-Ray Radiation: Above approximately
16000 V
volts. Unavoidable variations in filament voltage X-Ray Radiation: Above approximately 16,000
must be kept within the range of [1]
4.8 V
must be kept within the range of 4.8 to 5.2 volts. A peak inverse voltage, a rectifier will produce X-Rays.
must be kept within the range of [2]
5.2 V
must be kept within the range of 4.8 to 5.2 volts. A peak inverse voltage, a rectifier will produce X-Rays.
ating temperature before the plate voltage is applied tion difficult. Consequently, the [1]
86913 V
ating temperature before the plate voltage is applied tion difficult. Consequently, the 86913 and 869BL
ating temperature before the plate voltage is applied tion difficult. Consequently, the [2]
869 V
ating temperature before the plate voltage is applied tion difficult. Consequently, the 86913 and 869BL
Published value
60
60 seconds will be required. The delay time should a transmitter or other similar equipment.
Published value [1]
869
869BL has 3 inch insulated flexible filament leads with spade terminals for # 10 screw instead of pins
Published value [2]
3
869BL has 3 inch insulated flexible filament leads with spade terminals for # 10 screw instead of pins
Published value [3]
10
869BL has 3 inch insulated flexible filament leads with spade terminals for # 10 screw instead of pins
Data set 06
Published operating points and test conditions from this source.
DC Output Voltage
19 kV
ThreePhase; FullWave
DC Output Current
7.5 A
ThreePhase; FullWave
Data set 07
Published operating points and test conditions from this source.
Maximum peak inverse anode voltage
20000 V
Maximum average anode current
2.5 A
Data set 08
Published operating points and test conditions from this source.
Heater/filament voltage
5 V
Heater/filament current
21 A
Peak inverse anode voltage
20000 V
Peak anode current
20 A
Average anode current
5 A
Fault current
100 A
ShortDuration
Peak tube voltage drop
17 V
Conducting
Gas fill
Mercury vapor