GXH45 4500v Glass Gas Discharge Tube Symbol Spark Gaps for High Energy Switch Turbine Engine Ignition Circuit

The GXH Series of 2-electrode spark gaps are gas discharge tubes, hermetically sealed in a glass/metal envelope. Tubes with a DC breakdown voltage in the range 0.50KV to 12 kV are available. This is signified by a numeral or numerals following the type letters and is expressed in hundreds of volts.

GXH series glass discharge tube parameters:

Model: GXH50

DC flashover voltage: 7500V

Maximum pulse discharge current (8/20μs): 30KA

Maximum energy level: 60J

Minimum insulation resistance: 100Ω

Maximum capacity: 5pF

Ultimate power: 60W

Application of GXH series glass discharge tube:

1. Single-shot pulse generator

2. Turbine engine ignition circuit

3. Medical lithotripsy

4. High energy switch
5. Rocket ignition/missile ignition/boiler ignition

6. Waste incineration site fire

7. Electric equipment

GXH series glass discharge tube electrical and physical characteristics:

charge transfer, single discharge (8/20ms waveform): maximum 0.5C

Cumulative charge transfer: 6000C at 0.81mC per discharge at 1 Hz

Working temperature: -55℃~ +125℃

Mechanical shock, half sine (to B.S. 2011 test Ea): 40g, 4ms

installation: screw installation

Radioactivity: Tritium (3H), maximum 5.44 MBq (147mCi) per device

Electrical And Physical Characteristics:

All ratings given in this data sheet a reab solute, nonsimultaneous ratings. It is the equipment designer’s responsibility to
ensure that they are not exceeded. The spark gap life depends on circuit conditions such as peak discharge current and
duration, charge transfer per discharge and the repetition rate.

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