Data set 01
1948 Brimar Radio Valve Manual
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
RMS input per anode maximum
500 V
CapacitorInputFilter
Rectifier - Full Wave ·Rectifier-Rectifier
R3
Brimar full-wave rectifier intended for condenser-input power supplies, providing approximately 120 mA DC output with substantial peak inverse-voltage capability.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 4 V / 2.5 A
Description
Full-wave rectifier for condenser-input filter service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater voltage
- 4 V
- Nominal heater current
- 2.5 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
- 1500 V
- Rectifier nominal output current
- 120 mA
- Rectifier peak forward current
- 400 mA
Representative of two identical full-wave rectifier sections.
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 1500 V
- Rectifier nominal output current
- 120 mA
- Rectifier peak forward current
- 400 mA
Second physical Rectifier section added for documented full-wave construction.
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
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater Voltage
4 V
Heater Current
2.5 A
Other
RMS Input per Anode
500 V
Rectified Current
120 mA