Murata Power Solutions, Inc.
Mansfield, MA 02048
Nov 13, 2009 Offering carefully controlled turns ratios to ensure consistent performance, 782482 series offers compatibility with Analog Devices' ADM2482/7 transceiver chipsets to accelerate implementation of isolated RS-485 and RS-422 interfaces. Toroidal construction helps minimize EMI, and dual-in-line package, which measures 0.385 x 0.360 x 0.25 in., uses UL94 V-0 materials. Available with 3.3 and 5.0 V nominal input voltages, series offers 3.3 V nominal output and 4.0 kVDC isolation.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
Nov 10, 2009 Designed for switchmode power supply applications, Sfernice PLAC 100 handles up to 220 W and is user-configurable with software, allowing designers to set power supply type and desired level of input voltage, output voltage, power, and frequency. Once variables are entered, software automatically determines appropriate configuration and which outputs should be connected to obtain best performance. Transformer operates from -55 to +125°C and comes in SMD and through-hole versions.

AEMC Instruments
Foxborough, MA 02035
Nov 02, 2009 Composed of flexible sensor and electronic module, MiniFlex(TM) MF 300-6-2-10 and MF 3000-10-2-1 have mV output proportional to current measured for direct readings on DMMs, data loggers, oscilloscopes, and power or harmonic meters. Units are insensitive to DC currents and only AC component of signal is measured. Available in 6 and 10 in. lengths, sensors are insulated for 1,000 V CAT III; 600 V CAT IV. Electronic module provides Off-Low Range-High Range selections with measurements from 0.5-3,000 A.

Ensign Corporation
Bellevue, IA 52031
Oct 23, 2009 Made of UL 94V0 materials, Ener-G-Star(TM) Transformers feature single or dual primary inputs and single, dual, or center-tapped outputs available in 1 V increments from 10-240 V. Split bobbin design eliminates need for electrostatic shielding. Supporting PCB mount, solder/quick connect terminals, and lead wires, RoHS-compliant transformers are 100% hipot tested at 4,000 V and are suited for medical, isolation, thermostat, and various types of controls.

Wabash Transformer Inc
Clarence, IA 52216
Sep 07, 2009 Wabash Class 2 transformers are designed for energy efficient household and commercial appliances as well as HVACR. They are available with multiple primary and secondary windings, inherently or noninherently limited, for PCB mount, solder/quick connect terminals, and lead wires. Incorporating high safety isolation, units are available up to 100 VA and are offered in UL-, cUL-, and VDE-approved models. Optional touch safe lead connections are available.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Aug 25, 2009 Available for differential and ground fault current monitoring, space flight Series S 767 and military grade Series 913 B provide isolated analog output directly proportional to input magnetically. Featuring ½ in. aperture, Series S 767 operates on 22-36 Vdc power with response time of 50 ms. Series 913 B, designed with ¾ in. aperture, operates from 24-32 Vdc power with response time of 1 ms. Both chassis-mount series feature 0 to +5 V output and accuracy of 1% FS.

GE Digital Energy
Markham L6E 1B3  Canada
Aug 06, 2009 Constructed of epoxy and polyurethane resins, ITI Indoor Medium Voltage Instrument Transformers are available in 7.2, 12, 17.5, 24, and 36 kV classes. Units have been designed, manufactured, and tested in accordance with IEC standards. Available in custom designs, transformers are suited for operating meters, instruments, relays, and control devices.

Vicor Corp.
Andover, MA 01810 5424
Aug 03, 2009 Utilizing Sine Amplitude Converter (SAC)(TM) technology, VTM(TM) VIV0005TFJ operates with upstream PRM(TM) regulator to drive low voltage, high current processor, and memory arrays. It attains current density of 117 A/in.² in 32.5 x 22.0 x 6.7 mm VoI Chip package and enables thermal management through low thermal resistance. Compatible with standard pick-and-place and surface-mount assembly processes, device has impedance of less than 1 mW from DC to 1 MHz and K factor of 1/40.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Jul 16, 2009 Designed to compare AC input to fixed or adjustable current threshold, Series 870 and ACS-3 provide isolated switch or relay output that is activated as required. Housed in metal case and operating from -20 to +71°C, Series 870 features SPDT relay output with 10 A contacts, frequency from 47-63 Hz, and ¾ in. dia aperture. Series ACS-3, operating from -50 to +65°C, is housed in plastic case with solid state switch output, frequency from 6-100 Hz, and response time of 200 msec.

Hammond Power Solutions, Inc.
Baraboo, WI 53912
Jul 06, 2009 HPS Fortress(TM) Series is supplied in NEMA 3R enclosure potted/encapsulated with electrical-grade silica sand and resin compounds that completely enclose core and coil to seal out moisture and airborne contaminants. While key hole mounting slots facilitate installation, rear and side entry conduit knockouts promote wiring compartment access. Series includes 9 standard single-phase groups from 50 VA to 37.5 kVA (50 and 60 Hz) and 8 standard 3-phase groups from 2-75 kVA (60 Hz).

DENT Instruments
Bend, OR 97701-2906
May 21, 2009 Facilitating installation with features such as window size, weight, and mechanical flexibility for mounting in tight quarters, RoCoil mV(TM) Series permits measurements on conductors where conventional rigid CTs would be difficult to use. These flexible Rogowski Coil Current Transformers (CTs) provide non-intrusive measurement of ac current and produce millivolt output for use with metering instruments. Lengths and current rages are available up to 72 in. and 6,000 A, respectively.

W.A.C. Lighting Company
Garden City, NY 11530
May 14, 2009 Featuring silent operation and full-scale dimming on loads as low as 25%, Electronic SMART Transformers(TM) are compliant with UL 2108 safety standard for abnormal short circuit protection. They can communicate and differentiate abnormal versus normal short circuit, and design ensures 8 hr minimum safe operation under duress of short circuit. Each Class 2 enclosed electronic transformer, available from 60-300 W, is intrinsically safe and permits no greater than 5 A current to be drawn.

MPS Industries, Inc.
Torrance, CA 90505
Apr 24, 2009 Constructed with strip wound carbon steel lamination or silicon steel lamination, Toroidal Power Transformers can be configured with single or double input voltage and frequency, single or multiple output voltage and power, step up or step down, and as auto-transformers or isolated transformers with up to 4 KVrms isolation. Units are suited for audio/video, professional audio, multimedia center, entertainment center, and industrial control applications.

American Aerospace Controls, Inc. (AAC)
Farmingdale, NY 11735
Apr 01, 2009 With supply voltage of +22 to +32 Vdc, military-grade, bi-directional Series S651 provides output of 0 to ±5 V with accuracy of 1% full scale. Current ranges are 0 to ±100 A to 0 to ±200 A. Operating from -40 to +65°C, devices feature frequency range of DC-3.5 kHz and 100 µsec response time. Industrial grade, bi-directional Series S764 offers current ranges from 0 to ±20 A to 0 to ±100 A.

AutomationDirect.com
Cumming, GA 30040-9905
Mar 30, 2009 Available in 0.50-5 kVA versions, single-phase HPS Fortress series of commercial potted transformers are encapsulated with electrical grade silica sand and resin compounds to protect core and coils from moisture/airborne contaminants/corrosion. NEMA 3R enclosure meets/exceeds NEMA and ANSI standards for indoor and outdoor applications. Also, HPS Imperator line includes 600 V MGJ and MLI series step-down control transformers ranging from 50 A up to 500 VA.

Grupo Premo
Barcelona   Spain
Mar 03, 2009 With footprint of 35 x 25 mm and profile under 10 mm, planar transformer component designed for battery input voltage (24-48 Vdc) handles power up to 200 W with natural cooling and 240 W with heatsink. It has switching frequency range of 100-300 kHz, efficiency of up to 99%, and leakage inductance of less than 300 nH. PCB layout design allows different input and output possibilities as well as topologies, consisting in parallel or series connection of output windings.

Bicron Electronics Co.
Canaan, CT 06018
Mar 02, 2009 Operating from 500-3,000 V and up to 350 VA and 500 kHz, IGBT power control transformers may be used where high power and harsh electrical environments coincide. Products are custom-designed using circuit simulation and magnetic modeling techniques to control parasitics such as dc winding resistance, winding capacitance, and leakage inductance. Corona values are less than 10 pC @ 3.3 kV, HIPOT at 8 kVrms @ 60 Hz for 60 sec with under 2 mA leakage current, and BIL rating is 14 kV.

BI Technologies Corp.
Fullerton, CA 92835-1051
Feb 25, 2009 Housed in miniature SMT packages ranging from 3-7.8 mm, HM42 Series operates from 50 kHz to 1 MHz with 1,500 Vrms insulation between primary and secondary windings. DCRs range from 0.6-2.0 W for primary winding and 0.3-2.0 W for secondary winding. Operating from -40 to +125°C, RoHS-compliant devices are suited for power circuits in switchmode power supplies as well as any power electronics circuit where power MOSFET is required.

CR Magnetics
St. Louis, MO 63122
Nov 14, 2008 New Technology Current Transformers are available in CR2 Series with 50:5-300:5 current ratio, CR5 with 50:5-1,200:5, CR5A with 50:5-1,200:5, and CR6A with 100:5-1,500:5 ratios. Designed for 5 and 1 A secondary output current and power monitoring applications, ANSI Metering Class devices are suited for energy management, ammeters, watt/var/watt-hour transducers, and current sensing relays. Mounting options include RL, SFT, and SFL for common breaker and panel-mounted styles.

Roman Manufacturing, Inc.
Grand Rapids, MI 49509
Oct 13, 2008 Available as water or air-cooled versions in single and 3 phase from 1-5,000 kVA, Special AC Transformers are optimized for rugged conditions associated with glass/fiberglass manufacturing, resistance heading, and furnace processes. Units feature fully sealed external shell that is resistant to rust, corrosion, moisture, dust, debris, and vibration. Solid-state full epoxy encapsulated construction, inside unit, provides complete moisture resistance and stability at high temperatures.