Data set 01
1938 Philips Miniwatt Vacuum Tube Catalog
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum AC no-load plate voltage
250 V
HalfWave
Maximum DC output current
80 mA
HalfWave
Rectifier - Half Wave ·Rectifier
CY1
Indirectly heated AC/DC rectifier electrically equivalent to UR1C apart from mechanical details. Its 20 V, 200 mA heater suits series-string equipment and supports approximately 80 mA rectified DC output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- P8A
- Base pins
- 8
- Nominal heater
- 20 V / 200 mA
Description
Indirectly heated AC/DC rectifier using a 20 V, 200 mA heater. Its operating data and characteristic curve are specified as identical to type UR1C except for base connections and overall length.
Socket description
European 8-pin side-contact base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- P8A
- Base pins
- 8
- Nominal heater voltage
- 20 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
1 physical section, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 250 V
- Rectifier nominal output current
- 80 mA
- Rectifier max heater-cathode voltage
- 350 V
Indirectly heated half-wave rectifier; source specifies series anode resistance versus line voltage and smoothing capacitance.
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
195X Tunsgram
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum AC anode voltage
250 V
Maximum DC output current
80 mA
Maximum heater-cathode voltage
350 V
Peak
Series anode resistor
125 Ohm
170-250 V line, 32 uF smoothing capacitor
Data set 03
1963 Mullard
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Electrical equivalence reference
UR1C
Except base connections and overall length
Data set 04
1999 Philips 0-D
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
a einem Heizstrom von
0 mA
Published datasheet specification
von
0 V
Published datasheet specification
bei Verwendung an
10
Published datasheet specification
Published specification
70250 V
Published datasheet specification
Published specification
2 uF
Published datasheet specification
Published specification
6 pF
Published datasheet specification
Published specification
0
Published datasheet specification
Published specification
27
Published datasheet specification
Published specification
6 uF
Published datasheet specification
Max
27 V
Published datasheet specification
Heizstrom . . . . . . . Ir
200 A
Published datasheet specification
Max. Gleichstrom I,
80 mA
Published datasheet specification
(Scheitelwert) Vg
400 V
Published datasheet specification
Ja(mA)
654
Published datasheet specification