Two Electrode Spark Gaps
High Energy Devices, LLC is dedicated to offering protection products to reduce the damaging effects of transients to critical circuits by applying innovative solutions to mitigate the destructive hazards of transient pulses. The versatility of the characteristics of electrical discharge in gases allows HED spark gaps to be utilized in a wide variety of real world high voltage circuit protection and energy transfer applications.
Our Two Electrode Spark Gap products are designed for a wide variety of applications requiring the efficient transfer of high voltage and high energy pulses. Each product series offers unique protection characteristics that make them ideal components when matched with your application requirements. Whether you require nano-second response or millions of operations, one of these products may be the best solution for your needs.
BX SERIES
The BX Series of miniature two-electrode spark gaps (2.0-20.0kV) has been designed for applications that have severe environment and high reliability requirements. These gaps are made with high alumina (Al2O3)ceramic cylinders and metal electrodes that are hermetically sealed at high braze temperatures to withstand extreme levels of temperature and rugged environmental conditions. The small size of the BX gaps allows alternative mounting methods, including circuit board mounting, as well as external clamping of the ceramic envelope by using low dielectric materials.
- Tight DC breakdown voltage during millions of discharges
- Operation at –65oC to +125oC with minimal change of DC breakdown
- Rugged Kovar and borosilicate glass construction
- Mil-Std shock and vibration certified
- Hermetically sealed design provides maximum integrity under extreme environmental conditions
- Ignition systems for aircraft starting cycle for capacitor discharge type exciters
- Gas fired igniters for commercial and industrial furnaces
- Pulse generators for single pulse and cycle timed applications
- Capacitor discharge ignition systems for jet engines
- Energy transfer for LASER applications
AN-SG-10 How to Test Spark Gaps
This application note describes how to design and build instruments for performing several of the more common types of spark gap tests.
AN-SG-30 Spark Gaps for Energy Transfer Applications
This application note describes how and when to use spark gaps for energy transfer applications.
PMT/UMT(275) Series
High Energy Devices’ PMT(275) and UMT(275) Series surge protectors (350-500V and 550-2500V respectively) provide a high level of protection from high-speed, high-current transient surges. These devices are constructed using a proprietary semiconductor junction process which results in nanosecond response times combined with peak current ratings in excess of 20kA.
- Fast impulse breakdown at 5kV/µs
- Tight DC breakdown voltage tolerance (±10%)
- Low capacitance
- Small size
- Hermetically sealed design provides maximum integrity under extreme environmental conditions
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- Test Equipment
- Video Displays
- Medical Electronics
- Instrumentation Circuits
AN-PG-10 PMT/UMT(275) Power Gap Description & Use
This application note provides complete detailed information on the PMT/UMT(275) Series of rugged two-electrode spark gaps. Their small size (0.750 inches X 0.315 inches diameter) and fast response to high voltage transients make them ideal for avionic and military applications. An aircraft lightning protector application, utilizing the UMT(275)900 or UFT(266)900 is highlighted in this document
PMT SERIES(301)
High Energy Devices’ PMT(301) Series surge protectors (350 – 3500V) provide a high level of
protection from high-speed, high-current transient surges. These devices are constructed using a proprietary semiconductor junction process, which results in nanosecond response times combined with peak current ratings in excess of 20kA
- Fast impulse breakdown
- Tight DC breakdown voltage tolerance (±10%)
- Rugged ceramic-metal construction
- Low capacitance
- Test Equipment
- TWT Drive Circuitry
- Medical Electronics
- Instrumentation Circuits
- Avionics
- Test Equipment
- TWT Drive Circuitry
- Medical Electronics
- Instrumentation Circuits
- Avionics
SB/SG SERIES
High Energy Devices’ Spark gap line of two-electrode spark gaps excel in applications that require the efficient transfer of high voltage, high energy pulses and DC overvoltage protection for magnetrons, diodes, capacitors, etc. The SB series (.4-5.0kV) can reliably switch pulses having peak currents of several kiloamperes with energy contents as high as 50 joules. The larger SG series (2.0-40.0kV) can reliably switch pulses having peak currents of several kiloamperes and energy contents as high as 100 joules.
- Tight DC breakdown voltage during millions of discharges
- Operation at –65oC to +125oC with minimal change of DC breakdown
- Rugged Kovar and borosilicate glass construction
- Mil-Std shock and vibration certified
- Hermetically sealed design provides maximum integrity under extreme environmental conditions
- Ignition systems for aircraft starting cycle for capacitor discharge type exciters
- Gas fired igniters for commercial and industrial furnaces
- Pulse generators for single pulse and cycle timed applications
- Capacitor discharge ignition systems for jet engines
- Energy transfer for LASER applications
AN-SG-10 How to Test Spark Gaps
This application note describes how to design and build instruments for performing several of the more common types of spark gap tests.
AN-SG-30 Spark Gaps for Energy Transfer Applications
This application note describes how and when to use spark gaps for energy transfer applications.
SIG SERIES
The Spark Igniter Gap (SIG) Series of hermetically sealed gas discharge tubes are made for extended life applications where high reliability of constant breakdown voltage is needed. Special materials have been used for enhanced electron emission to provide millions of discharges with DC breakdown remaining within tight rated limits. Spark gaps with DC breakdown voltage in the range of 2.0 – 4.0kV are standard. All devices are bipolar and mounting in either direction is optional.
- Tight DC breakdown voltage during millions of discharges
- Operation at –65oC to +125oC with minimal change of DC breakdown
- Rugged Kovar and borosilicate glass construction
- Mil-Std shock and vibration certified
- Hermetically sealed design provides maximum integrity under extreme environmental conditions
- Ignition systems for aircraft starting cycle for capacitor discharge type exciters
- Gas fired igniters for commercial and industrial furnaces
- Pulse generators for single pulse and cycle timed applications
- Capacitor discharge ignition systems for jet engines
- Energy transfer for LASER applications
AN-SG-10 How to Test Spark Gaps
This application note describes how to design and build instruments for performing several of the more common types of spark gap tests.
AN-SG-30 Spark Gaps for Energy Transfer Applications
This application note describes how and when to use spark gaps for energy transfer applications.
TG TWO-ELECTRODE LEGACY SERIES
High Energy Devices’ TG Legacy Series of two-electrode spark gaps excel in applications that require the efficient transfer of high voltage, high energy pulses and DC overvoltage protection for magnetrons, diodes, capacitors, etc.
- Tight DC breakdown voltage during millions of discharges
- Operation at –65oC to +125oC with minimal change of DC breakdown
- Rugged Kovar and borosilicate glass construction
- Mil-Std shock and vibration certified
- Hermetically sealed design provides maximum integrity under extreme environmental conditions
- Ignition systems for aircraft starting cycle for capacitor discharge type exciters
- Gas fired igniters for commercial and industrial furnaces
- Pulse generators for single pulse and cycle timed applications
- Capacitor discharge ignition systems for jet engines
- Energy transfer for LASER applications
AN-SG-10 How to Test Spark Gaps
This application note describes how to design and build instruments for performing several of the more common types of spark gap tests.
AN-SG-30 Spark Gaps for Energy Transfer Applications
This application note describes how and when to use spark gaps for energy transfer applications.
UBT/UBD/UGT SERIES
High Energy Devices’ Uni-Imps high-speed transient surge protectors (0.55-20kV) provide the ultimate protection from high-energy, fast-rising transients such as Nuclear EMP. These devices are constructed using a proprietary semiconductor junction process that results in nanosecond response times combined with peak current ratings in the 5-10kA range. A unique benefit of this technology is that the breakdown voltage is virtually independent of the rise time of the transient. In addition, the low capacitance of these devices allows for direct placement on high-frequency lines and antenna feeds without excessive loading.
- Fast impulse breakdown (≤120% of typical DC breakdown to 200kV/µs)
- Tight DC breakdown voltage tolerance (±10%)
- Non-Radioactive
- Low capacitance
- Antenna Feedlines
- Test Equipment
- Video Displays
- Medical Electronics
- Instrumentation Circuits
AN-UI-10 Uni-Imp Transient Protectors
This application note provides detailed information on the Uni-Imp Series of ultra-fast glass-metal spark gaps. They are constructed using a proprietary semiconductor junction which results in nanosecond response combined with peak current ratings in the 5-10kA range.