Rectifier - Damper Diode ·Rectifier
Half-wave television damper rectifier for horizontal-deflection service, designed for high peak current, inverse voltage, and heater-cathode stress in sweep circuits.
Indirectly heated damper diode for television horizontal-frequency service and direct-drive circuits.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Television damper diode; 30 V average drop at 340 mA DC.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
Peak Inverse Plate Voltage
4500 V
DamperService
Maximum Peak Plate Current
1.85 A
Tube Voltage Drop
30 V
PlateCurrent=340mA
Data set 02
Published operating points and test conditions from this source.
Peak inverse plate voltage maximum
4500 V
HorizontalDamper
Plate dissipation maximum
6 W
HorizontalDamper
Heater voltage
6.3 V
Section1
Application
Horizontal-frequency damper service in television receivers
Section1
High-voltage pulse capability
Plate and heater-cathode pulses at line frequency
DirectDrive
Data set 03
Published operating points and test conditions from this source.
HeaterOrFilamentVoltageNominal
6.3 V
HeaterOrFilamentCurrentNominal
1.2 A
Maximum Plate Dissipation
6 W
Maximum Peak Inverse Voltage
4500 V
NominalDCOutputCurrent
185 mA
PeakForwardCurrent
750 mA
Maximum Heater Cathode Voltage
4500 V
Steady State Peak Plate Current
750 mA
DamperService
Forward Voltage Drop
30 V
TypicalDCPlateCurrentForVoltageDrop
340 mA
ForwardVoltageDrop=30V