Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 3
Pentode
Other
Plate Voltage
250 V
ClassA
Screen Voltage
125 V
ClassA
Characteristic
Plate Current
10 mA
ClassA
Voltage Pentode or Tetrode (with diode) ·Diode-Diode-Pentode
5660
Reliable duplex-diode pentode related to the 12C8 family, designed for operation under severe vibration and intermittent service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 3
- Base
- -
- Socket code
- -
- Base pins
- 8
- Nominal heater
- 12.6 V / 150 mA
Description
The 5660 is a duplex-diode pentode similar to the 12C8 and designed for reliable performance under severe vibration and intermittent operation.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 8
- Nominal heater voltage
- 12.6 V
- Nominal heater current
- 150 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
Terminal pinout
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
Section ratings
3 physical sections, each with unique specifications.
Section 1
Diode
X-ray radiationInterelectrode capacitances
- Rectifier nominal output current
- 1 mA
Representative row for two identical diode sections; continuous current maximum is 1 mA per plate.
Section 2
Diode
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Second physical diode section added in approved section-structure reconciliation.
Section 3
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 600000 Ω
- Transconductance
- 0.001325 S
- Max plate voltage
- 300 V
- Max screen voltage
- 125 V
- Max plate dissipation
- 2.25 W
- Max screen dissipation
- 0.3 W
Pentode 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.