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High Energy

A variety of unusually enthusiastic devices.
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  • The big daddy. NL-5553B ignitron. $2400 (for me, $40.) The National NL5553B is a stainless-steel jacketed, water cooled, mercury pool ignitron. Can be used as a 1200A contactor (continuous) or 6000A peak AC control, with capacitor discharge ratings in excess of 30kA.

    The big daddy. NL-5553B ignitron. $2400 (for me, $40.) The National NL5553B is a stainless-steel jacketed, water cooled, mercury pool ignitron. Can be used as a 1200A contactor (continuous) or 6000A peak AC control, with capacitor discharge ratings in excess of 30kA.

  • A variety of high-current, high-voltage SCR's.

    A variety of high-current, high-voltage SCR's.

  • A small selection of capacitors. From L to R: ICAR Bioenergy, Italy. 6uF, 2kV, polypropylene. 12 joules. Ultra low ESR & ESL. Aerovox Energy Discharge. Defib. 224uF, 1.5kV. Castor Oil. 252 joules (!) EPCOS polypropylene, 1.7kV, 10uF. Even lower ESR. Used for motor drive snubbing, etc. 14 joules. RIFA PEH200YX460BQ aluminum electrolytic. 6mF. 450vdc. 7 milliohms ESR. 607.5 joules. (For scale, a joule is the energy it takes to lift an apple 1 meter. A pair of these EPCOS capacitors could take a similar 100g object and lift it to a height of over a kilometer rather quickly if coupling was good.)

    A small selection of capacitors. From L to R: ICAR Bioenergy, Italy. 6uF, 2kV, polypropylene. 12 joules. Ultra low ESR & ESL. Aerovox Energy Discharge. Defib. 224uF, 1.5kV. Castor Oil. 252 joules (!) EPCOS polypropylene, 1.7kV, 10uF. Even lower ESR. Used for motor drive snubbing, etc. 14 joules. RIFA PEH200YX460BQ aluminum electrolytic. 6mF. 450vdc. 7 milliohms ESR. 607.5 joules. (For scale, a joule is the energy it takes to lift an apple 1 meter. A pair of these EPCOS capacitors could take a similar 100g object and lift it to a height of over a kilometer rather quickly if coupling was good.)

  • E2V cx2708 hydrogen thyratron. http://www.cordi.com/pdf/2100.pdf 40kV crowbar used in radar & broadcast transmitters.

    E2V cx2708 hydrogen thyratron. http://www.cordi.com/pdf/2100.pdf 40kV crowbar used in radar & broadcast transmitters.

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  • Eupec double IGBT (now Infineon). 1700v, 1200A. 5.95kW.

    Eupec double IGBT (now Infineon). 1700v, 1200A. 5.95kW.

  • Eupec double IGBT (now Infineon). 1700v, 1200A. 5.95kW.

    Eupec double IGBT (now Infineon). 1700v, 1200A. 5.95kW.

  • 1.14kJ bank. 250v, 36.75 millifarads. In progress (random busbar is being stored on terminals temporarily.)

    1.14kJ bank. 250v, 36.75 millifarads. In progress (random busbar is being stored on terminals temporarily.)

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  • 25kV diode above 1kV diode.

    25kV diode above 1kV diode.

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    Eupec double IGBT (now Infineon). 1700v, 1200A. 5.95kW.