DRG362

Neon-helium gas-filled telephone-line surge protector. Gas breakdown diverts damaging overvoltage transients away from communications equipment without requiring a heater.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Neon/helium-filled telephone-line surge protector.

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.

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 01

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

SurgeProtector

Other

Minimum striking voltage
130 V
Maximum current per line
7.5 A

Characteristic

Glow-to-arc transition voltage
250 V

Construction

Filling
Neon/helium

Data set 02

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

SurgeProtector

Other

MinimumStrikingVoltage
130 V rms
MaximumCurrentPerLine
75 A
MaximumChargeBothLines
150 C

Characteristics

GlowToArcTransitionVoltage
250 V rms
LineResistance60Ohm
GlowToArcTransitionCurrent
1 A
PerLine
BreakdownDelayAt3000V
5 us
StatisticalMaximum