Description of High Energy Ignition Spark Gap Tubes: 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. Applications of High Energy Ignition Spark Gap Tubes: • Single-shot pulse generators • Turbine engine ignition circuits • Medical lithotripsy • High energy switches Physical Characteristics of High Energy Ignition Spark Gap Tubes: 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. Charge transfer, single discharge (8/20 ms waveshape): 0.5C max Cumulative charge transfer: 6000C at 0.81 mC per discharge at 1 Hz Operating temperature: -55 to +125 C. Mechanical shock, half-sine (to B.S. 2011 Es): 40g for 4ms Mounting: screw mounted Radioactivity: tritium (3H), 5.44 MBq (147 mCi) max per device.
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