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Pulse Offers the Industry's Thinnest Fixed Inductance Power Inductors; Surface-Mount, Drum-Core Devices for DC-DC Choke and DC-AC Inverter Module Applications are Shielded for Low EMI.


Business Editors/High Tech Writers

SAN DIEGO--(BUSINESS WIRE)--Aug. 21, 2000

Pulse Monday announced nine new series of drum-core shielded power inductors featuring a maximum height as low as 2.79mm, the industry's lowest available profile on such a device.

With 195 catalog part numbers, the new devices offer power supply makers a wide range of inductor inductor, electric device consisting of one or more turns of wire and typically having two terminals. An inductor is usually connected into a circuit in order to raise the inductance to a desired value.  solutions for digital handheld devices, digital telephones, pagers, EL (electroluminous) backlighting back·light  
n.
A type of spotlight, used in photography, that illuminates a subject from behind.

tr.v. back·light·ed or back·lit , back·light·ing, back·lights
 and other applications.

In addition to low profiles, the new devices also offer compact overall package dimensions, the ability to handle DC current ratings up to 13 Amps and low DC resistance. They are magnetically shielded for reduced electromagnetic interference See EMI.  (EMI (ElectroMagnetic Interference) An electrical disturbance in a system due to natural phenomena, low-frequency waves from electromechanical devices or high-frequency waves (RFI) from chips and other electronic devices. Allowable limits are governed by the FCC. ). The flat-top design makes them suitable for pick-and-place component assembly.

Pulse distributors and application engineers are available to assist OEMs in selecting the appropriate configuration to optimize the customers' circuit design. In addition, custom power inductors can be configured for OEM (Original Equipment Manufacturer) The rebranding of equipment and selling it. The term initially referred to the company that made the products (the "original" manufacturer), but eventually became widely used to refer to the organization that buys the products and  production requirements.

Technical Information

The base winding of the inductor is constructed on a ferrite fer·rite  
n.
1. Any of a group of nonmetallic, ceramiclike, usually ferromagnetic compounds of ferric oxide with other oxides, especially such a compound characterized by extremely high electrical resistivity and used in computer memory
 drum-core enclosed by a shield core. The nickel/zinc-based ferrite material has an initial permeability of 250u, which gradually increases before reaching the Curie temperature at around 300 degrees C. The material is especially suited for operation at frequencies between 50 kHz and 3 MHz (MegaHertZ) One million cycles per second. It is used to measure the transmission speed of electronic devices, including channels, buses and the computer's internal clock. A one-megahertz clock (1 MHz) means some number of bits (16, 32, 64, etc. . Saturated flux density is as high as 4300 Gauss.

Packages in the P1166, P1167, P1168, P1169, P1170, P1171, P1172 and P1173 series are available in 2.7 to 1000 uH inductance values with DC bias current ranges from 0.2 to 13 Amperes. Two footprints are available: 7.3mm/7.3mm and 12mm/12mm. Physical height ranges from 3.5mm to 8.0mm maximum. For height-constrained applications, the P1174 series offers an overall height of just 2.79mm maximum, the highest efficiency, smallest size device available. The P1174 series also offers a wide inductance range from 1 uH to 5000 uH.

Pricing and Availability

These power inductors are available in trays or tape-and-reel packaging. Prices are competitive and are available on request. Various volume discounts are offered. Details on all products are available on data sheets P541 through P549 at http://www.pulseeng.com/Products/literature/pdf.htm#Power.

About Pulse

With headquarters in San Diego, Pulse, a Technitrol (NYSE NYSE

See: New York Stock Exchange
: TNL TNL The Next Level (church; gaming clan)
TnL Transform and Lighting (video games)
TNL Technical Newsletter
TNL target nomination list (US DoD) 
) company, has been an international leader in magnetic components for more than 40 years. The company is one of the largest manufacturers of magnetic components in the world with a global reputation for technical excellence coupled with outstanding quality.

Pulse produces a complete line of passive magnetic components and modules for use in Internet/broadband access, power, telecommunications and datacom applications. Meeting the highest quality standards, the company has ISO (1) See ISO speed.

(2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI.
 9000 registered manufacturing facilities located in the Far East, United States, and Europe. Pulse's products are available through direct sales as well as authorized distributors and representatives.

In North America, contact Pulse's worldwide headquarters in the United States at 858/674-8100. The Pulse European headquarters can be reached in the United Kingdom at +44-1483-401700, and its Asian headquarters can be reached in Singapore at +65-287-8998.

For more information, visit the Pulse Web site at http://www.pulseeng.com.

(c)2000 Pulse Engineering Inc. All brand names and trademarks are properties of their respective holders.

Cautionary Note: This message contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act The Private Securities Litigation Reform Act of 1995 (PSLRA) implemented several significant substantive changes affecting certain cases brought under the federal securities laws, including changes related to pleading, discovery, liability, class representation and awards fees and  of 1995. Actual results may differ materially. This release should be read in conjunction with the factors set forth in Technitrol's quarterly report on Form 10-Q for the quarter ended June 30, 2000 in Item 2 under the caption "Factors that May Affect Our Future Results (Cautionary Statements for Purposes of the 'Safe Harbor' Provisions of the Private Securities Litigation Reform Act of 1995)."
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Publication:Business Wire
Geographic Code:1USA
Date:Aug 21, 2000
Words:617
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