Data set 01
1960 Mazda
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Maximum frequency
350 kHz
SECTION 2
Rectifier
Characteristics
Maximum frequency
350 kHz
Rectifier - Full Wave ·Rectifier-Rectifier
U25
Indirectly heated full-wave rectifier intended for television or mains power supplies, using two rectifier sections for conventional AC-to-DC conversion.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- 2 V / 200 mA
Description
Rectifier for television or mains power-supply 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
- 2 V
- Nominal heater current
- 200 mA
- 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
No fixed ratings are recorded for this section.
Section 2
Rectifier
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Second physical rectifier section; electrical properties populated from applicable published ratings.
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.