Data set 01
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Reservoir capacitance maximum
0.1 uF
Rectifier - TV Line Scan Boost ·Rectifier
EY51
Extra-high-tension diode designed for portable television high-voltage rectifier service, providing specialized flyback-derived rectification for the CRT accelerating-voltage supply.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater
- 6.3 V / 90 mA
Description
Extra-high-tension diode for portable television high-voltage rectifier service. Indirectly heated Mazda/Belvu receiving tube; descriptive text translated to English from the French source.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9A
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 90 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
1 physical section, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Rectifier peak inverse voltage
- 17000 V
- Rectifier nominal output current
- 3 mA
- Rectifier peak forward current
- 80 mA
Published ratings/characteristics promoted where clearly stated; repeated identical rectifier sections compressed to one section row.
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
1951 Philips Receiving Tubes for Television
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Input Voltage RMS
5000 V
MainsFrequency
Average Output Current
3 mA
MainsFrequency
Reservoir Capacitance
0.1 uF
MainsFrequency
Minimum Limiting Resistance
100000 ohm
MainsFrequency
Peak Inverse Voltage
17000 V
Frequency=10-500kHz
Average Output Current
0.5 mA
Frequency=10-500kHz
Average Output Current
0.2 mA
PulseInput
Peak Cathode Current
80 mA
PulseInput
Characteristics
Anode-Cathode Capacitance
0.8 pF
Data set 03
1953 La Radiotechnique
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater voltage
6.3 V
Published nominal value
Heater current
90 mA
Published nominal value
Capacitance
Anode-cathode capacitance
0.8 pF
Published
Other
Maximum AC input voltage
5 kV
50 Hz rectification
Data set 04
1953 RFT Rundfunk Technik
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Transformer voltage maximum
5 kV
50HzSine
Inverse plate voltage maximum
17 kV
HighFrequencyOrPulse
DC plate current maximum
0.5 mA
Peak plate current maximum
80 mA
Pulse
Capacitance
Plate-cathode capacitance
0.8 pF
Data set 05
1961 Ferranti Technical Handbook
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater Voltage
6.3 V
Heater Current
90 mA
Other
Maximum RMS Input Voltage
5000 V
SinusoidalInput50Hz
Maximum Rectified Current
3 mA
SinusoidalInput50Hz
Data set 06
1963 Mullard
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
HeaterOrFilamentVoltage
6.3 V
HeaterOrFilamentCurrent
500 mA
Application
High-voltage half-wave rectifier
Other
DCOutputVoltageMaximum
5 kV
50-150Hz
DCOutputVoltageMaximum
9 kV
PulseOperation
Data set 07
1963 Philips Electron Tubes Handbook V1a
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Capacitance
Anode-to-cathode capacitance
0.8 pF
Other
Maximum AC input voltage at 50 Hz
5000 V RMS
50Hz
Maximum DC output current
3 mA
50Hz
Maximum filter capacitance
0.1 uF
50Hz
Minimum series resistance
0.1 MOhm
50Hz
Peak inverse voltage
17000 V
10-500kHz
Maximum DC output current
3 mA
10-500kHz
Maximum filter capacitance
0.01 uF
10-500kHz
Peak inverse voltage
17000 V
PulsedEHT
Maximum DC output current
0.35 mA
PulsedEHT
Maximum peak current
80 mA
PulsedEHT
Maximum filter capacitance
5000 pF
PulsedEHT
Data set 08
1967 Mullard Receiving Tubes for Maintenance
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Ra m min
100
LIMITING VALUES
P.I.V. ma x
17 V
LIMITING VALUES
lout ma x
3 ma
LIMITING VALUES
lout max
350
LIMITING VALUES
0 100 200 300 Va(V)
300 V
LIMITING VALUES
Data set 09
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
rassseses sacasemessaccanesn cu ce sete vf
6.3 V
Position d€ MONtAGE
1020000 s
cu sasm sanarè e Cs
0.8 pF
cec VE
1.3 V
supérieure à
2000 pF
ce sacesenreaveresemercccececess VA
100 V
Courant d'AnOd®E …… s…ermenseriencesacsrosereneesserneocacerensen lA
13 mA
Other
Coutant filament … If
90 mA
Tension-inverse de crête d'anode …… Vaicr
15 kV
dans le système des limites absolues… Vai er
18 kV
Courant de crête d’anode (1) ….…….…sereersvercanmecnnue Ia CT
40 mA
pour la < 200 uA …… …. VÉ
1.6 V
(1) limité à 10 % d'un cycle de balayage lignes, avec un maximum de
10 s
Data set 10
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater voltage
6.3 V
Published nominal value
Heater current
90 mA
Published nominal value
Other
Maximum reservoir capacitor
0.01 uF
Sinusoidal input
Maximum rectified current
30 mA
Sinusoidal input
Data set 11
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristic
Published electrical datum
6.3 V
Chauffage: indirect par C.A. ou C.C.; Ve = 6,3V
Published electrical datum
90 mA
Heizung: indirekt durch Wechsel- If = 90 mA
Published electrical datum
0.8 pF
Capacité Cax = 0,8 pF
Published electrical datum
0.1 MQ
Ry = min. 0,1 MQ
Published electrical datum
17 kV
Va invp = DaX. 17 kV
Published electrical datum
3 mA
Io = maxe 3 mA
Published electrical datum
-
Rg = min., 0Oy1 MQ
Published electrical datum
-
25 I, (mA)
Other
Published electrical datum
3 mA
Io = maX. 3 mA
Published electrical datum
0.1 µF
Crilt = max. 0,1 uF
Published electrical datum
0.01 µF
Cfiit = max. 0,01 uF
Published electrical datum
0.35 mA
Io = max. 0,35 mA
Published electrical datum
80 mA
Iop = max. 80 mA 1)
Published electrical datum
-
pulses, with a maximum of 5 .sec
Heater voltage
6.3 V
Nominal heater rating
Heater current
90 mA
Nominal heater rating