Data set 01
1957 Philips Receiving and Amplifying Tubes
Published operating points and test conditions from this source.
SECTION 1
SurgeProtector
Characteristic
DeviceFunction
SurgeArrester
GasDischarge
Specialized - Switching Tube ·SurgeProtector
4370
Gas-discharge surge arrester designed to protect lines and electronic apparatus against transient overvoltage by conducting when the applied voltage exceeds its protective threshold.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- -
- Base pins
- -
- Nominal heater
- -
Description
Gas-discharge surge arrester for protection of lines and apparatus against transient overvoltage.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- -
- Base pins
- -
- 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
SurgeProtector
X-ray radiationInterelectrode capacitances
No fixed ratings are recorded for this section.
Published ratings and characteristics promoted from the supplied Philips source where explicitly available.
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.
Data set 02
1999 Philips 0-D
Published operating points and test conditions from this source.
SECTION 1
SurgeProtector
Other
Starting voltage
80 to 120 V
Maximum continuous current
50 mA
Characteristics
Minimum extinguishing voltage
60 V