SMT Power Inductors feature DCR of 0.89-5.9 mOhms.
July 21, 2008 -
Used to store energy and serve as filters in voltage regulator modules, flat-coil PG0702NL Series offers inductance values from 0.40-3.0 µH with peak saturation of 15-45 A. Operating frequency is 100 kHz to 1 MHz at operating temperature of -40 to 130°C with no thermal derating. Measuring 10.8 x 9.5 x 8 mm, RoHS-compliant inductors feature ferrite core material, 3-pin design for mechanical stability, and self-leaded, round wire coil.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Pulse Introduces New Low Loss, High Saturation SMT Power Inductor
Provides low cost inductor solution for better efficiency, tight DCR tolerance, and no thermal aging
April 17, 2008 - Pulse, a Technitrol Company (NYSE: TNL), a worldwide leader in electronic component and subassembly design and manufacturing, introduces the new PG0702NL series of flat-coil surface mount (SMT) power inductors. These inductors have a low DCR of 0.89 to 5.9 milliOhms and a tight tolerance of plus or minus six percent for higher efficiency. Inductance values range from 0.40 to 3.0 microhenries with a peak saturation of 15 to 45 amperes (A). Operating frequency is 100 kilohertz (kHz) to 1 megahertz (MHz) at an operating temperature of minus 40 to 130 degrees Celsius with no thermal derating. These inductors are used to store energy and serve as filters in voltage regulator modules (VRMs) used in notebooks, desktop computers, workstations, and servers as well as dc/dc applications, point-of-load (POL) converters, and other high-density, high-power, high-ambient temperature applications.
Pulse's PG0702NL series uses a ferrite core material which has one tenth the core loss of iron powder or iron alloy core materials. The lower core loss of the ferrite material is optimized at frequencies above 500 kHz. The decrease in core loss significantly increases system efficiency five to ten percent. Because the ferrite material is immune to thermal aging, these inductors are reliable at higher operating temperatures.
The PG0702NL series has a self-leaded, round, wire coil which lowers the overall cost of the finished product, providing a lower tolerance of the direct current resistance (DCR) to plus or minus six percent. The tight DCR tolerance improves current sensing control and the power supply's regulation and transient response.
Pulse's PG0702NL inductors have an industry standard 4040 footprint of 10.8 x 9.5 x 8 millimeters and incorporate a three-pin design for improved mechanical stability. An unconnected third pin at the back of the inductor distributes the part's weight and balance between the three terminals during the mechanical vibration.
Pulse's PG0702NL Series is RoHS compliant and meets standard EIA481 requirements. Lead time is four to six weeks. Contact Pulse directly for volume pricing and samples. Detailed specifications are available on datasheet P667.
About Pulse:
Pulse, a Technitrol (NYSE: TNL) Company, is a worldwide leader in electronic component and subassembly design and manufacturing. Pulse's wide array of power and signal products are used in computing, networking and communications, power conversion, defense, aerospace, automotive, and consumer electronics. With state-of-the-art custom designs and catalog products, Pulse is a complete source for electronic OEMs, contract manufacturers, and ODMs. Pulse is a participating member of IEEE, ATIS, ETSI, HDMI, the DSL Forum, CommNexus, and MoCA.
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