Avatar Instruments - Broomall, PA
Manufacturer, Custom Manufacturer
Manufacturer of thyristors including phase control thyristors, & power control unit thyristors. Types of controls include single & 3 phase, phase angle SCR power controls, transformer drivers, zero voltage switched power controls, low cost single phase manual potentiometers, 1 & 3 phase SSR controls, multizone SCR power controls, high limit controls, & relay replacement power controllers. Transformer drivers come with fuses, current limit, & soft start controls. SCR's available with MOV, DV/DT protection, & rectifier fuses. SSR controls available with MOV protection, lug standards, & fuses.
www.avatarinstruments.com/prod.asp

Solid State, Inc. - Bloomfield, NJ
Distributor
Distributor of phase control unit thyristors. Value added services include testing, XRF analysis, reeling, re-tinning, tin whiskering, up-screening and product programming. Stock items available. 24 hour shipment. JIT delivery.
Brand Names: Littelfuse, NTE, Teccor
solidstateinc.rtrk.com/?scid=2925195&rl_alt...

ISE, Inc. - Cleveland, OH
Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Manufacturer & distributor of power control unit thyristors including SCR power controls. Types include zero fired & phase angle SCR power Control. Features include in single & three phases, bolt on & DIN Rail Mount configurations, power ratings of 120 Vac to 600 Vac handling loads from 1 A to 1200 A. Applications include resistive heating applications such as temperature control solutions for ovens, furnaces, extruders, environmental chambers, HVAC commercial heating, boilers & band heaters.
Brand Names: Halmar Robicon
instrumentation-central.com/pages/scr_power...

Vishay - Malvern, PA
Manufacturer
Manufacturer of thyristors in different packages, from plastic discrete to high-power discrete & modules, featuring voltage ratings from 100 V to 2600 V. Solid-state semiconductor devices (silicon-controlled rectifiers) with four layers of alternating p-type & n-type material creating three p-n junctions. They are used in electronic systems for AC/DC & AC/AC conversion in industrial applications, & for crowbar protection & soft start function.
www.vishay.com/thyristors/

Applied Power Systems, Inc. - Hicksville, NY
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of standard and custom phase and power control unit thyristors. Active rectifiers, IGBT, SCR, power and diode rectifier converters, rectifier bridge and AC and phase controllers are also available.
appliedps.com/converters

Silicon Power - Malvern, PA
Manufacturer, Custom Manufacturer
Manufacturer of power semiconductor devices for pulse power & power applications.

Payne Controls Company - Scott Depot, WV
Manufacturer
Manufacturer of motor controllers.

ICT Power Co., Inc. - Burlington, ON
Distributor, Service Company
Distributor of power control unit thyristors. Types of thyristors include discrete & gate turn-off (GTO) thyristors. Discrete thyristors such as inverter grade discrete thyristors & phase control discrete thyristors are available. Discrete thyristors are available in disc/hockey puk SCR & stud SCR styles. GTO thyristors are available in voltage ratings of 2,500 V & 4,500 V, current ratings from 570 A to 1,300 A & package sizes from 47 mm to 75 mm.
Brand Names: Infineon, International Rectifier

Converter Consultants, LLC - Naugatuck, CT
Manufacturer, Custom Manufacturer
Manufacturer of power semiconductor cooling applications to the OEM market. Specializing in liquid cooled heat sinks. Extensive line of patented standard & custom designed one piece pure copper liquid cooled heat sinks. Heat transfer & lower pressure drop, due to patented interior cooling chamber design.

Temp, Inc. - Fairmont, WV
Manufacturer, Custom Manufacturer
Manufacturer Of SCR Power Controllers: Temperature Controllers, Motor Controls & Electrical Power Monitoring Instrumentation

Enerpro, Inc. - Goleta, CA
Manufacturer, Custom Manufacturer
Thyristor Firing Circuits, Regulator Boards, IGBT Drivers, Power Supplies, Rectifiers & Motor Controls

AEG Power Supply Systems - a Saft Power Systems Co. - Plano, TX
Manufacturer
ISO 9001 certified custom manufacturer of controllers including SCR power controllers, process controllers, temperature controllers, & power control unit thyristors. Thyristor switch power controllers are available in single phase up to 1,700 kVA, 3-phase up to 2,800 kVA, voltage ranging from 230 V-690 V, & current output ranging from 16 A-2,900 A. Applications include automobile, oven, glass, chemical industries, steel production, furnace building, conveyor lines, & cooling equipment.

Bore Transistor - Roslyn, NY
Manufacturer, Custom Manufacturer
Manufacturer of thyristors in TO5, TO48, TO64, TO3, TO66 packages & complete range of diodes, zeners, suppressors, Schottky, transistors, unijunctions, SUS, SBS, duals, MOSFET, ICs, customs, hybrids, mil STD 19500.