Data set 01
1971 English Electric Valve
Published operating points and test conditions from this source.
SECTION 1
Voltage Regulator
Characteristic
Operating Voltage
90 V
At 20 mA
Other
InverseVoltage
80 V
Voltage Regulator ·VoltageRegulator
QS1215
Single-gap cold-cathode stabilizer maintaining approximately 90 V over an unusually broad 1–40 mA operating range.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater
- -
Description
Single-gap cold-cathode gas-filled 90 V voltage stabilizer designed to maintain a substantially constant output over 1 to 40 mA.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- 7
- Nominal heater voltage
- -
- Nominal heater current
- -
- 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
1 physical section, each with unique specifications.
Section 1
Voltage Regulator
X-ray radiationInterelectrode capacitances
- Regulator voltage
- 90 V
- Regulator minimum current
- 1 mA
- Regulator maximum current
- 40 mA
- Regulator starting voltage
- 115 V
- Regulator maintaining voltage
- 90 V
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.