Data set 01
1959 Telefunken
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Typical Output Voltage
25000 V
FlybackPulse
Typical Output Current
1.5 mA
Peak Inverse Voltage
33500 V
FlybackPulse
Rectifier - TV Line Scan Boost ·Rectifier
GY501
Very-high-voltage rectifier for color-television CRT EHT supplies, with manufacturer warning of X-ray emission above approximately 18 kV.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- B9D
- Base pins
- 9
- Nominal heater
- 3.15 V / 400 mA
Description
Very-high-voltage rectifier for color-television picture-tube EHT supplies; the source warns of X-ray emission above 18 kV.
Socket description
Magnoval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B9D
- Base pins
- 9
- Nominal heater voltage
- 3.15 V
- Nominal heater current
- 400 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
- 33500 V
- Rectifier nominal output current
- 1.7 mA
- Rectifier peak forward current
- 100 mA
Single-anode EHT rectifier for color television; high-voltage limiting value promoted.
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
1967 Mullard Receiving and Amplifying Valves
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
atmospheric pressure (
450 mm
Published in approved GY501 target datasheet entry; Section1
V
25000 V
Published in approved GY501 target datasheet entry; Section1
P.1. V. max. (see note 2)
31000 V
Published in approved GY501 target datasheet entry; Section1
V max
25000 V
Published in approved GY501 target datasheet entry; Section1
Capacitance
a _h+k
1.2 pF
Published in approved GY501 target datasheet entry; Section1
Data set 03
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater or filament voltage
3.15 V
Published nominal or stated operating value
Heater or filament current
370 mA
Published nominal or stated operating value
Other
Rectified voltage
27.5 kV
Published maximum
X-ray warning threshold
18 kV
Source warning
Data set 04
1973 Mazda Valves Binder 2
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Characteristics
Heater voltage
3.15 V
Published nominal value
Heater current
400 mA
Published nominal value
Other
Maximum rectified voltage
27.5 kV
Published
X-ray warning threshold
18 kV
Published warning
Data set 05
1999 Philips E-Z
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
D.C. output voltage v
25 kV
D.C. output voltage v 25 kV
Anode current I
1.5 mA
Anode current I 1.5 mA
Heater voltage Vr
3.15 v
Heater voltage Vr 3.15 vl
Heater current I¢
400 mA
Heater current I¢ 400 mA
Pins
5 a
Pins 1, 5 and 9 may be used to connect an anti-corona ring.
Pins
9 ma
Pins 1, 5 and 9 may be used to connect an anti-corona ring.
sistor) may be connected to pins
3 a
sistor) may be connected to pins 3 and 7. These pins must never be earthed.
I to be expected in practice, Vepmg should be
3.15 V
I to be expected in practice, Vepmg should be 3.15 V. __
Anode to cathode Caik
1.2 pF
Anode to cathode Caik 1.2 pF
Output voltage Vo
25 kv
Output voltage Vo 25 kv
Peak inverse voltage (absolute max.) Vainvp max
35 kv
Peak inverse voltage (absolute max.) Vainvp max. 35 kv 1y
Output voltage (absolute max. ) Vo max
27.5 kV
Output voltage (absolute max. ) Vo max. 27.5 kV
Output current, average Is
1.7 mA
Output current, average Is 1.7 mA
peak Iop max
100 mA
peak Iop max. 100 mA 2)
35 area of permissible operation
35 a
35 area of permissible operation