Data set 01
1956 Western Electric Tubes
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum Peak Inverse Anode Voltage
1375 V
Maximum Average Output Current
330 mA
FullWaveRectifier
Rectifier - Full Wave ·Rectifier-Rectifier
351A
Western Electric indirectly heated full-wave high-vacuum rectifier for power-supply applications. Rated for approximately 1.375 kV peak inverse voltage and about 330 mA maximum average DC output from a 6.3 V heater.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- IO
- Base pins
- 6
- Nominal heater
- 6.3 V / 1 A
Description
The Western Electric 351A is an indirectly heated full-wave high-vacuum rectifier with a 6.3 V, 1.0 A heater and approximately 330 mA maximum average output.
Socket description
International Octal
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- IO
- Base pins
- 6
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 1375 V
- Rectifier nominal output current
- 330 mA
- Rectifier max heater-cathode voltage
- 500 V
Representative row for two identical diode sections; published maximum total rectified current is 100 mA.
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 1375 V
- Rectifier nominal output current
- 330 mA
- Rectifier max heater-cathode voltage
- 500 V
Second physical rectifier section; electrical properties populated from the documented identical section.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 02
2026 Western Electric 300s
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
RMS alternating voltage per plate maximum choke-input
400 V
ChokeInputFilter
RMS alternating voltage per plate maximum condenser-input
350 V
CapacitorInputFilter
Maximum total rectified current
100 mA
Maximum filter input capacitance
4 uF
CapacitorInputFilter
SECTION 2
Rectifier
Other
RMS alternating voltage per plate maximum choke-input
400 V
ChokeInputFilter
RMS alternating voltage per plate maximum choke-input
400 V
ChokeInputFilter
RMS alternating voltage per plate maximum condenser-input
350 V
CapacitorInputFilter
Maximum total rectified current
100 mA
Maximum filter input capacitance
4 uF
CapacitorInputFilter