Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Steady State Peak Plate Current
1100 mA
TVDamperService
Characteristic
Tube Voltage Drop
32 V
PlateCurrent=350mA
Rectifier - Damper Diode ·Rectifier
22BW3
Compactron heater-cathode diode designed specifically for television horizontal-deflection damping service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 12FX
- Socket code
- B9A
- Base pins
- 12
- Nominal heater
- 22.4 V / 460 mA
Description
22BW3 is a damper diode for television horizontal-deflection service. The supplied RCA manual excerpt was reviewed for heater data, physical sections, maximum ratings, electrical characteristics, capacitances, and stated operating conditions.
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
- 12FX
- Socket code
- B9A
- Base pins
- 12
- Nominal heater voltage
- 22.4 V
- Nominal heater current
- 460 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
12FX - 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 dissipation
- 6.5 W
- Rectifier peak inverse voltage
- 5000 V
- Rectifier nominal output current
- 175 mA
- Rectifier peak forward current
- 1.1 A
- Rectifier forward voltage drop
- 32 V
- Rectifier max heater-cathode voltage
- 5000 V
- Rectifier warm-up time
- 11 s
Peak forward current uses published steady-state peak plate current. Heater-cathode field records largest published total DC-and-peak magnitude; polarity-specific limits are parameters.
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
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Peak inverse plate voltage
5000 V
DamperService
Steady state peak plate current
1000 mA
DamperService
DC output current
165 mA
DamperService
Peak heater-cathode voltage
5000 V
HeaterNegative
Heater warm-up time
11 s
Capacitance
Cathode-to-plate-and-heater capacitance
8.5 pF
Plate-to-cathode-and-heater capacitance
6 pF
Heater-to-cathode capacitance
3.8 pF
Data set 03
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater Warm-up Time
11 s
Heater-Cathode Voltage
100 V
HeaterPositive;DCComponent
Heater-Cathode Voltage
300 V
HeaterPositive;TotalDCAndPeak
Heater-Cathode Voltage
900 V
HeaterNegative;DCComponent
Heater-Cathode Voltage
5000 V
HeaterNegative;TotalDCAndPeak
Characteristic
Tube Voltage Drop
32 V
PlateCurrent=0.35A
Data set 04
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Rectifier
Other
Heater Voltage (ac/dc) 16.8
22.4 V
Heater Voltage (ac/dc) 16.8 22.4 volts
Heater Current 0.6
460 mA
Heater Current 0.6 0.46 ampere
Heater Warm-up Time 11
11 s
Heater Warm-up Time 11 11 seconds
Peak Inverse Plate Voltage#
5000 V
Peak Inverse Plate Voltage# 5000 volts
Peak Plate Current
1100 mA
Peak Plate Current 1100 mA
Average Plate Current
175 mA
Average Plate Current 175 mA
Plate Dissipation
6.5 W
Plate Dissipation 6.5 watts
Peak inverse/negative-pulse plate voltage
5000 V
Published section value
Average output/plate current
175 mA
Published section value
Characteristic
Tube Voltage Drop for plate current of
350 mA
Tube Voltage Drop for plate current of 350 mA 32 volts
# Pulse duration must not exceed 15% of one horizontal scanning cycle (
10 us
# Pulse duration must not exceed 15% of one horizontal scanning cycle (10 microseconds).