Rectifier - Half Wave ·Rectifier
Directly heated xenon half-wave rectifier with tantalum anode for high-current supplies. Gas-assisted conduction provides multiampere output with low arc voltage.
EL3B is a half-wave xenon rectifier tube using tantalum anode and xenon gas filling. The datasheet publishes filament, anode-current, inverse-voltage, arc-drop and operating ratings.
Medium-shell UX 4-contact
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
Xenon rectifier section.
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.
D-c. Meter Value - Continuous
2.5 A
Oscillograph Peak - Continuously Recurring
20 A
Peak Inverse Voltage
920 V
Filament Voltage
2.5 V
Filament Current
9 A
Heating Time Minimum
30 s
Maximum Short Circuit Current
300 A
Maximum Commutation Factor
0.66 V/us x A/us
Average Arc Drop
9 V
Data set 02
Published operating points and test conditions from this source.
Continuous DC anode current
2.5 A
Overload anode current
3 A
LessThan10Seconds
Peak inverse voltage
920 V
Minimum filament heating time
30 s
Average arc drop, average tube
9 V
Average arc drop, highest/end-of-life tube
12 V
Filament current tolerance
2 A
Gas filling
Xenon
Anode material
Tantalum