Data set 01
194X Miniwatt
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak Inverse Voltage
6.6 kV
Damper service
Peak Cathode Current
550 mA
Rectifier - Damper Diode ·Rectifier
XY88
Miniature high-voltage booster diode for transformerless television line-time-base circuits, providing approximately 6 kV inverse-voltage capability and 220 mA average current.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9CB
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 20.2 V / 450 mA
Description
Miniature high-voltage booster diode used in line-time-base circuits of transformerless television receivers.
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
- 9CB
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 20.2 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9CB - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN2IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN3IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN4H | — | H — Heater Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN5H | — | H — Heater Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN6IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN7IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN8IC | — | IC Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| PIN9P | A | P — Plate (Anode) Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
| CAP1K | A | K — Cathode Source transcription; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 131, 9CB |
Section ratings
1 physical section, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Max plate voltage
- 250 V
- Max plate dissipation
- 5 W
- Max cathode current
- 20 mA
- Rectifier peak inverse voltage
- 6000 V
- Rectifier nominal output current
- 220 mA
- Rectifier peak forward current
- 550 mA
Published ratings and characteristics promoted from the approved source.
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
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater Voltage (ac/dc) 16.4
20.2 V
Published in approved XY88 target datasheet entry; Section1
Heater Current 0.6
450 mA
Published in approved XY88 target datasheet entry; Section1
Peak Heater-Cathode Voltage 6600
6600 V
Published in approved XY88 target datasheet entry; Section1
Supply Voltage at zero current
550 V
Published in approved XY88 target datasheet entry; Section1
Supply Voltage
250 V
Published in approved XY88 target datasheet entry; Section1
Peak Plate Current
550 mA
Published in approved XY88 target datasheet entry; Section1
Average Plate Current
220 mA
Published in approved XY88 target datasheet entry; Section1
Plate Dissipation
5 W
Published in approved XY88 target datasheet entry; Section1
* Under no conditions should an absolutemaximum value of
7500 V
Published in approved XY88 target datasheet entry; Section1
# The pulse duration must not exceed
22 %
Published in approved XY88 target datasheet entry; Section1
# The pulse duration must not exceed 22 per cent of a cycle, or a maximum of
18 microseconds
Published in approved XY88 target datasheet entry; Section1