Data set 01
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristic
Heater Voltage
6.3 V
Heater Current
300 mA
Diode (NOT rectifier) ·Diode-Diode
EB41
Double diode with separate cathodes and internal inter-section screening, designed for detector and rectifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- RIMLOCK
- Socket code
- B8A
- Base pins
- 8
- Nominal heater
- 6.3 V / 300 mA
Description
Double diode with separate cathodes, internally screened and screened between sections.
Socket description
Rimlock 8-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- RIMLOCK
- Socket code
- B8A
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
RIMLOCK - 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
Diode
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 420 V
- Rectifier nominal output current
- 9 mA
- Rectifier peak forward current
- 54 mA
- Rectifier max heater-cathode voltage
- 150 V
Promoted from clearly identified published ratings/characteristics; additional operating points, capacitances, detector data, microwave data, and special-quality limits are retained in TUBE_SECTION_PARAMETER.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Second physical diode section added in approved section-structure reconciliation.
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
1963 Philips Electron Tubes Handbook V1a
Published operating points and test conditions from this source.
SECTION 1
Diode
Capacitance
Diode capacitance
3.6 pF
EachSection
Other
AC transformer voltage maximum
150 V RMS
HalfWave;EachSection
DC output current maximum
9 mA
HalfWave;EachSection
Filter capacitance maximum
8 µF
HalfWave;EachSection
Peak inverse voltage maximum
420 V
EachSection
Peak current maximum
54 mA
EachSection
Data set 03
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Diode
Characteristics
Heater voltage
6.3 V
Heater current
300 mA
Other
Maximum diode voltage
420 V
Maximum diode current
9 mA
Maximum peak diode current
54 mA
Maximum half-wave rectifier input voltage
150 V RMS
Maximum half-wave DC output current
9 mA
Maximum filter input capacitance
8 uF
Minimum series resistance
300 ohm
Capacitance
Diode-to-cathode capacitance
3.6 pF