Data set 01
195X Raytheon Special Purpose Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
150 V
EachUnit
Control-grid voltage
-3 V
EachUnit
Plate current
9 mA
EachUnit
Voltage - Dual Triode (similar) ·Triode-Triode
CK5873
Subminiature double triode designed for voltage-amplifier service, providing two compact triode sections for miniature electronic equipment.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 8K
- Socket code
- SUBMINIATURE8
- Base pins
- 8
- Nominal heater
- 6.3 V / 300 mA
Description
CK5873 is a DualTriode tube listed by Raytheon for voltage amplifier service. Subminiature double triode for voltage-amplifier service; published values are per section.
Socket description
Subminiature 8-lead base
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 8K
- Socket code
- SUBMINIATURE8
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
8K - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1IC | — | IC EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN2H | — | H — Heater EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN31P | A | P — Plate (Anode) EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN41G2 | A | G2 — Screen GridGroup 8K4 EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN41G4 | A | G4 — Fourth GridGroup 8K4 EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN51G1 | A | G1 — Control GridGroup 8K5 EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN52G1 | B | G1 — Control GridGroup 8K5 EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN62P | B | P — Plate (Anode) EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN7H | — | H — Heater EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| PIN8K | A | K — Cathode EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
| CAP11G3 | A | G3 — Suppressor Grid EIA transcription; independent manufacturer confirmation pending | Unverified EIA Base Connections, printed page 129, 8K |
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0029 S
- Amplification factor
- 22
Subminiature double triode for voltage-amplifier service; published values are per section.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Transconductance
- 0.0029 S
- Amplification factor
- 22
Second physical triode section; electrically identical twin section.
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.