Ohmite Electronic Components

Ohmite Manufacturing Company has been a leading provider of resistors for high current, high voltage and high energy applications for over 80 years. Products includes wirewound, wire element, thick film, and ceramic composition resistors, in addition to variable voltage controls.

Ohmite Electronic components Power resistors

The products include Power resistors, Surface mount resistors, Rheostats etc..They also have chokes, shunts and heatsinks too. Variable Resistors or Potentiometers, Solid State power controls and SMD resistors are also avialable.

Ohmite Electronic Components

History

Ohmite Manufacturing Company started operations in a small shop on the west side of Chicago in 1925. Founded by David T. Siegel, the company’s focus was to manufacture carbon and wire wound ‘lug’ resistors for Chicago’s growing radio manufacturing industry. As the electronics industry grew and continued to develop

Ohmite Mfg. Co.
27501 Bella Vista Parkway, Warrenville IL, 60555, USA.

250 watt AC-DC power supply – Artesyn Emerson

A 250 watt, open frame, single output AC/DC power supply in an industry standard 4 x 7 format. This chassis mount power supply has a 85-264 AC volt Wide-range input AC input with power factor correction.

NLP250N-99S12J Artesyn/Emerson

It is medical rated with an operating temperature range of 0 – 70 °C and up to 86% efficiency. The NLP250N-99S12J is Rohs 6/6 compliant.

250 watt AC-DC power supply - Artesyn Emerson

Some Specs

  • AC Input – Wide-range Inputs:    85 – 264 AC
  • Outputs:   – 12 Volts, 21 Amps, 250 Watts.
  • Efficiency:  –  86%
  • Dimensions (L x W x H) –    7 x 4 x 1.5 in

Sager Power Systems

Sager Power Systems is a specialized group within Sager Electronics focused solely on power supplies. They offer over 15,000 world-class AC/DC and DC/DC standard solutions from leading power supply manufacturers, and is able to evaluate and specify standard and value added solutions.

High-Voltage High-Power IGBT

IGBT module from  Hitachi. The new IGBT module makes high energy efficiency and silent operation of inverters possible. It has High thermal fatigue durability. It is a High speed and low loss IGBT module.

High-Voltage High-Power IGBT

Low noise due to soft and fast recovery diode. The driving power is less as the MOS gate input capacitance is very low. The modules are very reliable and durable. The heatsink has a Isolation between terminals and base.

High-Voltage High-Power IGBT

From 1700V to 6500V,  High Power Density, Low Inductance, Scalable, Easy Paralleling, Standard and High Isolation Package.

The Hitachi Power Semiconductor Devices mark a new era of Power electronics by High-Power IGBT modules, High-Voltage ICs and Power diodes.

Isolated AC-DC Converters with PFC – Vicor

The PFM is the lowest profile AC-DC solution in the market. Vicor’s VIA package enables designers to efficiently package power into their system’s thermal management solution.

Isolated AC-DC Converters with PFC – Vicor

For use in: Datacom/Telecom Equipment, LED Lighting, Bench-top Equipment and Industrial AC-DC Power Systems.

Isolated AC-DC Converters with PFC - Vicor

Integrated filtering, transient protection, inrush protection: Simplifies conducted emissions and surge protection design, reduces design risk, faster time to market

High efficiency of up to 92%: Excellent efficiency for such a small and low profile device

Active Power Factor Correction (PFC) exceeding .95 at most line/load conditions (filter dependent):
Meets all agency standards

Voltage, current, and temperature protections: Protects the PFM unit and system

Vicor DC-DC Converters and Power Supplies

Power Supply, AC-DC Converters, Vicor Corporation designs, manufactures and markets modular power components and complete power systems used in the communications, data processing, industrial controls, test equipment, medical and defense electronic markets.

Powerex – Power Devices Manufacturer

A leading supplier of discrete devices, modules and integrated high power semiconductor solutions. They are also a sales partner to Mitsubishi Electric and other power electronic firms.

Powerex – Power Devices Manufacturer

They manufactures a wide range of rectifier and thyristor products at its Youngwood, PA factory. The product line includes IGBTs (Insulated Gate Bipolar Transistors), HVIGBTs, IPMs (Intelligent Power Modules), rectifiers, thyristors, custom power modules and assemblies.

Powerex - IGBT HVIGBT

IGBT / HVIGBT

The Powerex IGBT/HVIGBT line-up includes both Mitsubishi devices as well as Powerex self-manufactured devices. Mitsubishi IGBTs employ their CSTBT (Carrier Stored Trench-Gate Bipolar Transistor) technology, supporting the reduced power loss and miniaturization required for industrial applications

J1-Series Power Modules Enhance Automotive Efficiency & Reliability.Powerex HVIGBTs and HV diodes, feature highly insulating housings that offer enhanced protection by means of greater creepage and strike clearance distance for many demanding applications like medium voltage drives and auxiliary traction applications.

Powerex, Inc.
200 Hillis Street, Youngwood, Pennsylvania 15697, USA.

GE Embedded Power – Power Conversion Solutions

Energy-efficient AC/DC and DC/DC embedded power, indoor/ outdoor energy systems. – Critical Power – GE Industrial Solutions – 2012

GE Embedded Power – Power Conversion Solutions

The CLP power supply offers a great solution for OEMs requiring design flexibility of power supplies used in their applications. The module offers greater than 90% peak efficiency enabling economical and long life performance. – 90 – 264Vac input; 12Vdc output; 200W Output Power

CLP0212 Open Frame Power Supply

In a small 2 x 4 inch footprint, the 12Vdc single-output CLP0212 open frame power supply delivers 80 PLUS Gold energy efficiency. With its small size, the CLP series is specifically designed to handle power challenges associated with tight space and low airflow. The CLP series utilizes a unique design approach at this power level, leveraging zero voltage switching techniques in conjunction with quasi-resonant power factor correction (PFC) circuits. Protection features include overcurrent (OCP), overvoltage (OVP), and overtemperature (OTP).

CLP0212 Open Frame Power Supply

History – ;

I first noticed quasi-resonant SMPS in a Tek Logic Analyzer when i worked there. It was Cherokee, This post was made when i came online with Cherokee and Lineage and now it is GE.

2012 – Noticed today that Lineage Power is part of GE from the time this post was last edited. (See first post below.)

Cherokee International

AC/DC Power Supplies, DC/DC Power Supplies, and Custom Power Supplies.
Cherokee International designs, manufactures and markets high reliability custom, standard, and modified standard switch mode power supplies for datacom, telecom, medical, and industrial applications.

Cherokee SMPS becomes Lineage Power and now it is GE Embedded Power

TDK Lambda – SMPS UPS Power Supply Specialist

Switching power supplies are power supplies switched by high-speed semiconductor switches. They are the most common type of compact, lightweight, high-efficiency power supply.

TDK Lambda – SMPS UPS Power Supply Specialist

Uninterruptible power systems (UPS) are backup power supplies that use a built-in battery to stably supply continuous clean power to connected devices when the regular supply power shuts down due to a power failure or other power problem. TDK-Lambda offers both these types of power supplies”.

CME150-24 TDK Lambda

CME150-24 – Single output AC-DC converter 150 – TDK Lambda

Output voltage of 24V at Max output current of 6.3A and Efficiency of 82%

Features Include

  • Leakage current 0.3mA or less (at 265VAC)
  • Medical safety standard (IEC60601-1) approved.
  • Max output power 151.2W
  • Input voltage range AC 85 – 265 V
  • Input voltage range DC 120 – 370 V
  • Input frequency 47 – 63 Hz