Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Plate dissipation maximum
2.7 W
Rectifier - Damper Diode ·Rectifier
6V3A
High-current television damper diode designed for horizontal-deflection service with substantial peak inverse-voltage capability.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9BD
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 1.75 A
Description
High-current television damper diode with high peak inverse voltage capability.
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
- 9BD
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 1.75 A
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9BD - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN2P | A | P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
| PIN4H | — | H — Heater EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
| PIN5H | — | H — Heater EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
| PIN7P | A | P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
| PIN9P | A | P — Plate (Anode) EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
| CAP1K | A | K — Cathode EIA chart transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 131, 9BD |
Section ratings
1 physical section, each with unique specifications.
Section 1
Rectifier
X-ray radiationInterelectrode capacitances
- Max cathode current
- 135 mA
- Rectifier peak inverse voltage
- 6000 V
- Rectifier nominal output current
- 135 mA
- Rectifier peak forward current
- 800 mA
- Rectifier forward voltage drop
- 19 V
- Rectifier max heater-cathode voltage
- 6750 V
Television damper diode.
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 General Electric Essential Characteristics
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum peak inverse voltage
6000 V
TVDamper
Maximum DC output current
135 mA
TVDamper
Maximum peak current
800 mA
TVDamper
Characteristics
Forward voltage drop
19 V
At 250 mA DC
Data set 03
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum AC Plate Voltage RMS
3250 V
Data set 04
1966 Tung Sol Electronic Tubes 2 of 4
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Maximum steady-state peak current
600 mA
DamperService
Maximum AC plate voltage RMS
350 V
PowerRectifierService
Maximum DC output current
125 mA
PowerRectifierService
Filter input capacitor
20 uF
PowerRectifierService
Maximum peak inverse voltage
6000 V
DamperService
Maximum peak heater-cathode voltage
6750 V
HeaterNegative
Data set 05
1971 RCA HB3 Binder 5 of 7
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater voltage
6.3 V
Heater current
1.75 A
Peak inverse plate voltage
6000 V
DamperService
Peak plate current
800 mA
DamperService
DC plate current
135 mA
DamperService
Peak heater-cathode voltage heater negative
-6750 V
Peak heater-cathode voltage heater positive
300 V
Application
Application
Television damper service
Capacitance
Plate-to-cathode-and-heater capacitance
8 pF