Diode (NOT rectifier) ·Diode-Diode
High-perveance double diode for detector applications in low-current series-string equipment, using an unusual 26.5 V, 75 mA heater.
High-perveance double diode with separate cathodes and a 26.5-volt heater for detector applications.
Subminiature 8-lead base
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN12P | B | P — Plate (Anode) Original EIA label 2P; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN22K | B | K — Cathode Original EIA label 2K; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN3H | — | H — Heater Original EIA label H; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN4SH | A | SH — Internal Shield Original EIA label SH; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN51P | A | P — Plate (Anode) Original EIA label 1P; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN6H | — | H — Heater Original EIA label H; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
| PIN71K | A | K — Cathode Original EIA label 1K; manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8DJ |
2 physical sections, each with unique specifications.
Section 1
Two electrically identical diode sections; one representative section emitted under identical-section compression.
Section 2
No fixed ratings are recorded for this section.
Second physical diode section added in approved section-structure reconciliation.
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
460 V
Each diode
Steady state peak plate current
60 mA
Each diode
Transient peak plate current
350 mA
Each diode
Data set 02
Published operating points and test conditions from this source.
Maximum DC Output Current Per Plate
10 mA
FullWave
Maximum Peak Inverse Voltage
460 V
FullWave
RMS Supply Voltage Per Plate
150 V
FullWave
Maximum Peak Current Per Plate
60 mA
FullWave
Forward Voltage Drop
4.5 V
FullWave
Forward Voltage Drop Test Current
18 mA
FullWave