February, 2013
www.us-tech.com
Page 127
New ATS Instrument Measures Cold Plate Performance
Norwood, MA — The iFLOW-200 system from Advanced Thermal Solutions assesses the thermal and hydraulic characteristics of cold plates in elec- tronics cooling. It measures the coolant’s tempera- ture at inlet and outlet, fluid flow rate and pres- sure drop, and surface temperature. The instrument can be used to simulate a
wide range of conditions to optimize a cold plate’s performance before it is commercialized or prior to its use in an actual application. It measures coolant temperature from 0 to +70°C with an accu- racy stated at ±1°C. Differential pressure of the coolant in the cold plate is measured up to 103,000 Pa (15 psi). Distilled water is the reference coolant. For test comparisons, the system’s coolingVIEW software can also calculate thermal resistance and pressure drop as a function of flow
Supplies Vaudreuil-Dorion, Canada — Aimtec has launched three new series of DC/DC converters using multilayer ceramic capacitors (MLCCs) which provide many technological advan- tages over traditional tantalum capacitors. The new AMxQ-Z con- verters provide an exceptionally low profile of only 7mm — including stand-offs — for applications in which component height is critical. According to the company,
MLCCs used in the converters with- stand high temperatures, higher voltage conditions, and reduced leak- age current better than traditional tantalum capacitors. Ceramic capac- itors can also withstand the higher reflow temperatures associated with the lead-free soldering.
Aimtec Intros Low Profile DC/DC Power
rate for selected liquids. The instrument system in cludes a pair of K-
type thermocouples for measuring temperature changes on the cold plate surface. Temperatures are monitored on the coolingVIEW interface. Easy setup and operation to save time when
evaluating different cold plate models. Designed for accuracy and convenience, the iFLOW-200 sim- ply requires setting the starting and ending coolant flow rates, and choosing the dwell time, pumping power and other parameters. These are easily done on any PC using the system’s user-
friendly application program. Contact: Advanced Thermal Solutions, Inc.,
Instrument measures heat and hydraulic performance of cold plates.
89-27 Access Road, Norwood, MA 02062 % 781- 769-2800 fax 781-769-9979 Web:
www.qats.com
Very low profile DC/DC power supplies.
In addition to being non-polar-
ized, the use of MLCCs in Aimtec’s AMxQ-Z power supplies provides sup- pressed power line noise, reduced har- monics from ripple currents, and lower resistance and inductance, which help to prevent the device and the circuit from overheating. Available in 2, 3, and 6-watt power ranges, the power supplies have wide (2:1) input ranges of 4.5-9, 9-18, 18-36 and 36-75VDC, stepping down to tightly regulated (±1 percent) single- and dual-outputs of ±12 and ±15VDC at efficiency ratings as high as 88 percent. Operating tem- perature range is –40 to +85°C (+60°C with derating), the AM2Q-Z (2 watt), AM3Q-Z (3 watt) and AM6Q-Z (6 watt) provide I/O isolation of 500VAC, con- tinuous short-circuit protection, over- voltage protection and are designed to meet IEC/EN 60950-1 for IT based
applications. Contact: Aimtec Inc., 205 rue Joseph Carrier, Vaudreuil-Dorion,
Quebec J7V 5V5, Canada % 888-924-6832 or 514-620-2722 E-mail:
info@aimtec.com Web:
www.aimtec.com
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