Resonexus
Resonexus is the in-house research and technology brand of High Voltage Experimental, dedicated to resonance-aware high-voltage and high-frequency electronics. The brand focuses on standing-wave systems, ultra-fast switching, and precision HV AC sources, developed for researchers, experimentalists, and professionals who demand rigorous performance and reliability.
Learn more at www.resonexus.com.
High Voltage Schottky Diode (3.3kV - 11A - 10ns)
Introducing our High Voltage Schottky Diode Board, a robust and essential component for your high-vo..
Introducing our High Voltage Schottky Diode Board, a robust and essential component for your high-voltage projects. This board is designed to bring superior performance and high voltage handling to your experiments and applications: Exceptional Voltage Rating: At the heart of this board is a high-performance Schottky diode (GC05MPS33J), capable of hand..
- Reverse Recovery Time
- < 10 ns
- Repetitive Peak Reverse Voltage
- 3.3 kV
- Continuous Forward Current
- 11 A
- Non-Repetitive Peak Forward Surge Current
- 250 A
- Forward Voltage Drop
- 2.4 V
- Maximum Reverse Current
- 50 uA
Adjustable Spark Gap
Explore the realm of high-voltage experimentation with our Adjustable Spark Gap, a compact yet robus..
Explore the realm of high-voltage experimentation with our Adjustable Spark Gap, a compact yet robust tool designed for precision and durability. Here’s what makes our spark gap a must-have for experimenters and enthusiasts: Durable Tungsten Rods: The spark gap features adjustable tungsten rods, known for their high durability and resistance to wear. T..
- Dimensions (LxWxH)
- 60 x 125 x 55 mm (when mounted)
- Model
- SG_ADJ
- Weight
- 70 g
- Dimensions (L × W × H)
- 10 × 10 × 3 cm
Half-Bridge Amplifier (80V - 8A)
Introducing our robust Half-Bridge Amplifier, engineered for precision and safety in high-voltage an..
Introducing our robust Half-Bridge Amplifier, engineered for precision and safety in high-voltage and plasma experimentation. Pair it with one of our AC or DC flyback transformers to reach voltage levels up towards 30kV, all while maintaining unprecedented control over frequency and current. The latest revision now supports 3.3 V, 5 V, and 12 V logic-level i..
- Max frequency
- 500 kHz
- Minimum input pulse width
- 500 ns
- Input to output propagation delay
- Typ. 700 ns
- Shutdown propagation delay
- Typ. 300 ns
- Max output voltage
- ± Input Voltage / 2
- Max output power
- 640 W
Isolated Mosfet Driver
Our MOSFET Driver is a cutting-edge solution designed for seamless integration with your signal gene..
Our MOSFET Driver is a cutting-edge solution designed for seamless integration with your signal generator or control electronics, enhancing the functionality and range of your high-voltage experiments. The latest revision includes a much faster optocoupler, enabling significantly more precise signal timing compared to the previous generation, support for 3.3..
- Max frequency
- 8 MHz
- Rise time
- Typ. 13 ns
- Fall time
- Typ. 10 ns
- Minimum input pulse width
- 30 ns
- Input to output propagation delay
- 60 ns
- Max output current
- +/- 14 A (peak)
Mosfet Switch Board
Unlock next-generation versatility in your circuit designs with our redesigned MOSFET Switch Board. ..
Unlock next-generation versatility in your circuit designs with our redesigned MOSFET Switch Board. Engineered from the ground up, this new board minimizes gate-loop inductance, incorporates a brand-new ultra-fast gate driver, and adds multiple hardware enhancements for high-speed, high-voltage experimentation. The board is now available with a user-selectab..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 20 ns
- Fall time
- Typ. 20 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-247
Half-Bridge Amplifier (350V - 5A)
Our enhanced Half-Bridge Amplifier is a powerhouse in the realm of high-voltage experimentation, cap..
Our enhanced Half-Bridge Amplifier is a powerhouse in the realm of high-voltage experimentation, capable of handling input voltages up to 350V, both DC and AC, and sustaining a continuous current of 5 amperes. When paired with one of our AC or DC flyback transformers, it can achieve voltage levels up towards 30kV, offering unprecedented control over frequenc..
- Max frequency
- 500 kHz
- Minimum input pulse width
- 500 ns
- Input to output propagation delay
- Typ. 700 ns
- Shutdown propagation delay
- Typ. 300 ns
- Max output voltage
- ± Input Voltage / 2
- Max output power
- 1750 W
Mosfet Switch Board (TO-247-4)
Unlock next-generation versatility and extreme switching performance with our redesigned MOSFET Swit..
Unlock next-generation versatility and extreme switching performance with our redesigned MOSFET Switch Board. Engineered from the ground up, the new board minimizes gate inductance, incorporates a brand-new ultra-fast gate driver, and introduces several hardware enhancements for maximum efficiency, flexibility, and reliability. Here's how it elevates your ci..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 15 ns
- Fall time
- Typ. 15 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-247-4 / TO-247-4L
Flyback Transformer (25kV AC)
Elevate your high-voltage and high-frequency experiments with our next-generation flyback transforme..
Elevate your high-voltage and high-frequency experiments with our next-generation flyback transformer, now shipped with a pre-installed polyimide ferrite sleeve as standard. Designed as the perfect companion for our Half-Bridge Amplifiers, this transformer enables precise control of frequency and duty cycle—allowing you to fine-tune resonance conditions and ..
- Frequency range
- 10–195 kHz (560 t) / 5–110 kHz (1000 t) / 1–50 kHz (2400 t)
- Max output voltage
- 25 kV AC (50 kV pk-pk)
- Max output power
- 300 W
- Primary turns
- Variable (wind it yourself)
- Secondary turns
- 560 / 1000 / 2400 (select variant)
- Transformer core
- U-core (can be disassembled)
Mosfet Switch Board (3300V)
Our next-generation MOSFET Switch Board (3300V) is the fastest and most advanced switch we offer, pu..
Our next-generation MOSFET Switch Board (3300V) is the fastest and most advanced switch we offer, purpose-built from the ground up for extreme high-voltage and high-frequency experimentation. Designed specifically for TO-263-7 MOSFET packages, this revision focuses on ultra-low gate-loop inductance, a brand-new isolated high-speed gate driver, and a complete..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 15 ns
- Fall time
- Typ. 10 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-263-7
Replacement Coil for 25kV Flyback
This is a replacement secondary coil for the 25kV AC flyback transformer—ideal if the original has f..
This is a replacement secondary coil for the 25kV AC flyback transformer—ideal if the original has failed due to overvoltage, stress, or extended high-frequency operation. The coil is wound with 2400 or 1000 turns and fully encapsulated in epoxy for excellent electrical insulation and durability. Please note: This spare coil does not include the polyimide..
- Frequency range
- 1 - 50 kHz (2400 turns) / 5 - 110 kHz (1000 turns)
- Max output voltage
- 25 kV AC (50 kV pk-pk)
- Max output power
- 300 W
- Secondary turns
- 2400 / 1000
- Output cable length
- 35 cm
- Model
- FLYBACK_AC_V2_SEC
Bidirectional Mosfet Switch Board
Introducing our next-generation Bidirectional MOSFET Switch, completely redesigned from the ground u..
Introducing our next-generation Bidirectional MOSFET Switch, completely redesigned from the ground up for ultra-fast, high-frequency AC circuit experimentation. This new revision focuses on minimizing gate-loop inductance, incorporates a brand-new high-speed gate driver, and adds several practical features for demanding laboratory and research applications. ..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 25 ns
- Fall time
- Typ. 25 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-247
High Voltage Multiplier (10x – 100kV DC)
Achieve unprecedented high voltage DC outputs with our versatile High Voltage Multiplier, designed f..
Achieve unprecedented high voltage DC outputs with our versatile High Voltage Multiplier, designed for both reliability and efficiency. Leveraging the renowned Cockcroft-Walton design, a single module easily produces up to 100kV DC (positive or negative). For even greater potentials, simply chain multiple modules in series—three modules can reach 300kV, empo..
- Frequency range
- 20 - 300 kHz
- Max output voltage
- 100 kV DC (positive or negative)
- Multiplication stages
- 10 x
- Max input current
- 50 mA
- Internal capacitors
- 10x 1000 pF, 20 kV rated
- Output cable length
- 20 cm
Jacob’s Ladder Demo Kit
Transform any setting into a captivating and electrifying spectacle with this simple yet impressive ..
Transform any setting into a captivating and electrifying spectacle with this simple yet impressive high-voltage demonstration kit. It consists of two precisely bent stainless steel rods and a secure mounting base, designed for seamless integration with one of our half-bridge amplifiers (when paired with a flyback transformer) or any other high-voltage power..
- Dimensions (LxWxH)
- 100 x 100 x 340 mm (when mounted)
- Model
- JL_DK
- Weight
- 90 g
- Dimensions (L × W × H)
- 28 × 12 × 3 cm
Silicone Dielectric Grease
Formulated specifically for demanding electrical and high-voltage applications, this dielectric sili..
Formulated specifically for demanding electrical and high-voltage applications, this dielectric silicone grease provides reliable insulation, sealing, lubrication, waterproofing, and corrosion protection. Its dielectric strength of 500 V/mil, equivalent to approximately 20 kV/mm, makes it well suited for protecting electrical contacts, terminals, c..
- Model
- SDG_5G
- Weight
- 10 g
- Dimensions (L × W × H)
- 13 × 3 × 2 cm
AC Adapter for Half-Bridge Amplifier
Introducing our AC Adapter, specifically designed for seamless and safe integration of the 350V Half..
Introducing our AC Adapter, specifically designed for seamless and safe integration of the 350V Half-Bridge Amplifier with your standard wall outlet. This adapter is engineered to address the challenges of high-power amplification, ensuring reliable operation and enhanced safety: Direct Wall Outlet Connection: The adapter allows you to connect the 350V..
- Model
- AC_ADAPTER
- Weight
- 350 g
- Dimensions (L × W × H)
- 12 × 12 × 11 cm
Bidirectional Mosfet Switch Board (TO-247-4)
Introducing our next-generation Bidirectional MOSFET Switch, completely redesigned from the ground u..
Introducing our next-generation Bidirectional MOSFET Switch, completely redesigned from the ground up for ultra-fast, high-frequency AC circuit experimentation. This advanced board minimizes gate-loop inductance, features a brand-new high-speed gate driver, and incorporates two TO-247-4 MOSFET sockets for effortless device swapping. Here's why this upgraded ..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 20 ns
- Fall time
- Typ. 20 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-247-4 / TO-247-4L
Ferrite core insulation sleeve for Flyback Transformer
High-quality polyimide insulation sleeve designed for ferrite flyback transformer cores, providing a..
High-quality polyimide insulation sleeve designed for ferrite flyback transformer cores, providing a robust dielectric barrier between the ferrite core and high-voltage windings. Polyimide offers excellent dielectric strength, high temperature resistance, and outstanding long-term reliability, making it ideal for demanding high-voltage and high-frequency app..
- Model
- FLYBACK_AC_V2_FS
- Weight
- 2 g
- Dimensions (L × W × H)
- 20 × 20 × 40 mm
Bidirectional Mosfet Switch Board (3300V)
Our next-generation Bidirectional MOSFET Switch (3300V) is the most advanced high-voltage AC switch ..
Our next-generation Bidirectional MOSFET Switch (3300V) is the most advanced high-voltage AC switch in this class, completely redesigned from the ground up for extreme speed, stability, and thermal performance. Built around TO-263-7 MOSFET packages, this revision minimizes gate-loop inductance, integrates a brand-new isolated high-speed gate driver, and intr..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 15 ns
- Fall time
- Typ. 10 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- 40 ns
- Supported device package
- TO-263-7
High Voltage Junction Box (40kV DC)
Introducing our 40kV DC 5-Way High Voltage Quick Connect Junction Box, designed for easy and safe hi..
Introducing our 40kV DC 5-Way High Voltage Quick Connect Junction Box, designed for easy and safe high-voltage connections in experimental setups. This innovative connector system offers the ultimate combination of convenience, safety, and versatility, making it perfect for quickly swapping cables in high-voltage applications. Key Features: 5-Way Qu..
- Dimensions (LxWxH)
- 68 x 53 x 42 mm
- Model
- HVJB_5W
- Weight
- 55 g
- Dimensions (L × W × H)
- 68 × 53 × 42 mm
High Voltage Test Lead with Crocodile Clip (50kV DC)
Achieve reliable high voltage connections with our premium 50kV HV silicone test leads, built from t..
Achieve reliable high voltage connections with our premium 50kV HV silicone test leads, built from the same robust cable we supply individually and now equipped with durable brass crocodile (alligator) clips for effortless hookup in demanding electrical experiments. These leads combine outstanding insulation, superior flexibility, and consistent high perform..
- Clip material
- Solid Brass
- Conductor diameter
- 0.64 mm
- Conductor material
- Tinned Copper Strands
- Conductor size
- 22 AWG
- Insulation material
- Flexible Soft Silicone Rubber
- Outer diameter
- 5.76 mm
Stackable Mosfet Switch Board (Optical Input)
Take high-voltage switching beyond the limits of a single MOSFET with our Stackable MOSFET Switch Bo..
Take high-voltage switching beyond the limits of a single MOSFET with our Stackable MOSFET Switch Board with Optical Input. Designed specifically for series-connected high-voltage MOSFET stacks, each board operates as an independent switching stage with its own isolated gate driver, isolated power domain, fibre-optic signal input, and provisions for DC volta..
- Max frequency
- > 1 MHz
- Rise time
- Typ. 15 ns (single stage)
- Fall time
- Typ. 15 ns (single stage)
- Minimum input pulse width
- 27 ns (single stage) / 50 ns (stacked)
- Input to output propagation delay
- 85 ns
- Supported device package
- TO-247-4 / TO-247-4L
Signal to Optical Bridge
Convert a standard low-voltage control signal into multiple synchronized fibre-optic trigger signals..
Convert a standard low-voltage control signal into multiple synchronized fibre-optic trigger signals with our Signal to Optical Bridge. Designed for use with our Stackable High Voltage MOSFET Switch system, the bridge accepts a conventional electrical input through BNC and distributes the signal to up to five optical outputs, allowing multiple high-voltage s..
- Max frequency
- > 10 MHz
- Rise time
- Typ. 5 ns
- Fall time
- Typ. 5 ns
- Minimum input pulse width
- 27 ns
- Input to output propagation delay
- Typ. 85 ns (from bridge to Mosfet gate)
- Input signal
- 0 - 5 V Square Wave