Data set 01
195X Raytheon Special Purpose Tubes
Published operating points and test conditions from this source.
SECTION 1
Triode
Other
Plate voltage
250 V
EachUnit
Control-grid voltage
-3 V
EachUnit
Plate current
1 mA
EachUnit
Voltage - Dual Triode (similar) ·Triode-Triode
CK5751
Reliable miniature dual triode listed by Raytheon for voltage-amplifier service, with published characteristics specified independently for each section.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 2
- Base
- 9W
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 12.6 V / 175 mA
Description
CK5751 is a DualTriode tube listed by Raytheon for voltage amplifier service. Reliable miniature dual triode; published characteristics are per section.
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
- 9W
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 175 mA
- Parallel heater voltage
- 6.3 V
- Parallel heater current
- 350 mA
- Series capable
- Yes
9W - Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
2 physical sections, each with unique specifications.
Section 1
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 58000 Ω
- Transconductance
- 0.0012 S
- Amplification factor
- 70
Reliable miniature dual triode; published characteristics are per section.
Section 2
Triode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 58000 Ω
- Transconductance
- 0.0012 S
- Amplification factor
- 70
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.