Coils, inductors, chokes, Tesla Coils and transformers for voltage conversion, filters, magnetism and high voltage experiments. We also offer a bespoke coil winding service. If you need precision coils or something not available in the store, please send us your requirements using this form.
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/ferrite-powder-uk1-180x135.jpg)
Ferrite Powder
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top3-180x135.jpg)
Induction Heater Coil
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/ferrite-powder-uk1-180x135.jpg)
Ferrite Powder
SKU: FP-NIZMNZNFerrite powder and nanoparticles for magnetic experiments, magnetic shielding, and making magnetic composite materials. Particle sizes from 250nm to 150um.
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/HVsparkcoilshop1-180x135.jpg)
HV Spark Coil
SKU: HV-SC20KHigh Voltage coil with 12V input and >20kV output. Perfect for driving with our Power Pulse Modulators for a simple adjustable frequency HV PSU
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top3-180x135.jpg)
Induction Heater Coil
SKU: CT-400These induction heater coils are a combined capacitor coil combination wound with copper pipe for simple water cooling. Ideal for induction heating of small parts. Various sizes available. We also offer custom coil design services.
![20kV Transformer](https://www.rmcybernetics.com/wp-content/uploads/2016/10/20kv-transformer-12v-180x135.jpg)
High Voltage Transformer 20kV
SKU: TRF20kVHigh Voltage, high frequency transformer rated for 12V, 5V pulsed DC input with 20kV output at around 3mA.
Ideal partner to our PWM-OCXi for making high voltage projects
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/ferrite-powder-uk1-180x135.jpg)
Ferrite Powder
Ferrite powder and nanoparticles for magnetic experiments, magnetic shielding, and making magnetic composite materials. Particle sizes from 250nm to 150um.
38 in stock
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/chokes-100uH-15A1-180x135.jpg)
Choke Inductor 100uH 15A
SKU: CHK-15a![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/HVsparkcoilshop1-180x135.jpg)
HV Spark Coil
High Voltage coil with 12V input and >20kV output. Perfect for driving with our Power Pulse Modulators for a simple adjustable frequency HV PSU
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top3-180x135.jpg)
Induction Heater Coil
These induction heater coils are a combined capacitor coil combination wound with copper pipe for simple water cooling. Ideal for induction heating of small parts. Various sizes available. We also offer custom coil design services.
1 in stock (can be backordered)
![20kV Transformer](https://www.rmcybernetics.com/wp-content/uploads/2016/10/20kv-transformer-12v-180x135.jpg)
High Voltage Transformer 20kV
High Voltage, high frequency transformer rated for 12V, 5V pulsed DC input with 20kV output at around 3mA.
Ideal partner to our PWM-OCXi for making high voltage projects
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/transformer-15kv1-180x135.jpg)
15kV Transformer
SKU: TRF15kV![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top4-180x135.jpg)
Induction Heater Coil KIT
SKU: CT-400-KIT![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/copper-coil1-180x135.jpg)
4mm Copper Tubing
SKU: CU4MM1M![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/choke-30A1-180x135.jpg)
Choke Inductor 68uH 30A
SKU: CHK-30A![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/choke-1mh-16a1-180x135.jpg)
Choke Inductor 1mH 16A
SKU: CHK-1m-16a![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/chokes-220uH-5A1-180x135.jpg)
Choke Inductor 220uH 5A
SKU: CHK-5a![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/transformer-15kV-EE1-180x135.jpg)
15kV Transformer-EE
SKU: TRF15kVEE![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/ferrite-powder-uk1-180x135.jpg)
Ferrite Powder
Ferrite powder and nanoparticles for magnetic experiments, magnetic shielding, and making magnetic composite materials. Particle sizes from 250nm to 150um.
38 in stock
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/HVsparkcoilshop1-180x135.jpg)
HV Spark Coil
High Voltage coil with 12V input and >20kV output. Perfect for driving with our Power Pulse Modulators for a simple adjustable frequency HV PSU
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top3-180x135.jpg)
Induction Heater Coil
These induction heater coils are a combined capacitor coil combination wound with copper pipe for simple water cooling. Ideal for induction heating of small parts. Various sizes available. We also offer custom coil design services.
1 in stock (can be backordered)
![20kV Transformer](https://www.rmcybernetics.com/wp-content/uploads/2016/10/20kv-transformer-12v-180x135.jpg)
High Voltage Transformer 20kV
High Voltage, high frequency transformer rated for 12V, 5V pulsed DC input with 20kV output at around 3mA.
Ideal partner to our PWM-OCXi for making high voltage projects
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/ferrite-powder-uk1-180x135.jpg)
Ferrite Powder
Ferrite powder and nanoparticles for magnetic experiments, magnetic shielding, and making magnetic composite materials. Particle sizes from 250nm to 150um.
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/HVsparkcoilshop1-180x135.jpg)
HV Spark Coil
High Voltage coil with 12V input and >20kV output. Perfect for driving with our Power Pulse Modulators for a simple adjustable frequency HV PSU
![](https://www.rmcybernetics.com/wp-content/uploads/cm/catalog/induction-heater-coil-CT400-top3-180x135.jpg)
Induction Heater Coil
These induction heater coils are a combined capacitor coil combination wound with copper pipe for simple water cooling. Ideal for induction heating of small parts. Various sizes available. We also offer custom coil design services.
![20kV Transformer](https://www.rmcybernetics.com/wp-content/uploads/2016/10/20kv-transformer-12v-180x135.jpg)
High Voltage Transformer 20kV
High Voltage, high frequency transformer rated for 12V, 5V pulsed DC input with 20kV output at around 3mA.
Ideal partner to our PWM-OCXi for making high voltage projects