Hofstra Group Triggered Spark Gaps are used by pulsed power scientists who need to control GigaWatts of electricity. Like a field-effect transistor (FET), the Triggered Spark Gap is voltage-controlled, and, like a silicon-controlled rectifier (SCR), it is a bistable device that can be turned on, but not off. Our Triggered Spark Gaps operate by using voltage to ignite a plasma between two terminals, which enables conduction. Once the current in the circuit drops, the plasma extinguishes, and the Triggered Spark Gap recovers to its original high-impedance state.

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PRICE

$1678.00

$1924.00

MAX CURRENT

100 kA

100 kA

inductance

18 nH

20 nH

OPERATING VOLTAGE

5-50 KV

10-65 KV

 

Spark GAP

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How do I adjust the operating voltage?

By changing the pressure inside the Triggered Spark Gap. Because voltage and pressure have opposing effects on the system, if you want to raise your operating voltage, you have to raise the pressure as well.

I want to operate at voltage X kV. Will your Triggered Spark Gap do that?

If your desired voltage falls between 5 and 150 kV, we've got a Triggered Spark Gap to support your operating voltage.

How much charge can this Triggered Spark Gap transfer?

Depends on the individual transfers. In general, the Triggered Spark Gap can take about 1,500 Coulombs of cumulative transfer between maintenance, but it can be less if your individual charge transfers are very large.

Can I get a custom Triggered Spark Gap?

Absolutely! We can design a Triggered Spark Gap that fits your specialized setup. Email info@hofstragroup.com or call 505-913-9916.

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The Triggered Spark Gap is a fundamental component employed by scientists and engineers in fields ranging from electroporation to Z-pinch.

 

With a tool as versatile as the Triggered Spark Gap, you'll see it integrated in a variety of circuits. If you are looking for inspiration on how to hook up your spark gap, head over to our blog to find some sample circuits with diagrams.

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