ZR7512

Cold-cathode triggered vacuum spark gap for high-voltage, high-current switching and crowbar service. Triggered breakdown rapidly diverts stored electrical energy.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

The ZR-7512 is a cold-cathode triggered vacuum gap capable of switching 15,000 joules at high voltage. It combines wide operating-voltage range, easy triggering, high-current pulse capability, rapid recovery, stability and reliability for crowbar and stored-energy switching applications.

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

SparkGapPulseSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Triggered vacuum gap. Published main-gap and trigger-gap ratings are device-specific and are preserved densely in TUBE_SECTION_PARAMETER; ordinary plate/grid promoted fields are not applicable.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

SparkGapPulseSwitch

Other

Interelectrode Leakage Resistance
10000 Mohm
Main Gap Operating Voltage
300 to 45000 V
MainGap
Main Gap Hold-Off Voltage Indefinite Minimum
55000 V
MainGap
Main Gap Peak Current Unidirectional Pulse Maximum
50000 A
MainGap
Charge Conducted Through Gap Per Operation Maximum
0.7 C
MainGap
Discharge Rate Maximum
2 per_min
MainGap
Delay Time Maximum
0.1 us
MainGap;AppliedVoltage=45kV
Jitter Maximum
0.1 us
MainGap;AppliedVoltage=45kV
Trigger Peak Voltage Typical
5000 V
TriggerGap
Trigger Short-Circuit Current Typical
40 A
TriggerGap

Characteristic

Typical Trigger Firing Voltage Range
1000 to 3000 V
TriggerGap

ApplicationLimit

Permitted Trigger Short-Circuit Current
100 A
TriggerGap
Preferred Trigger Pulse Width Maximum
2 us
TriggerGap