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NEW LOW-PROFILE, HIGH-CURRENT INDUCTORS ENHANCE SPACE AND POWER SAVINGS IN DC/DC CONVERTER APPLICATIONS
05 October 2001 - Vishay Electronic

Two new series of high-current inductors that combine low losses at frequencies up to 5 MHz, low DCR values, and a height profile that is 30% lower than in conventional solutions were announced today by Vishay Intertechnology, Inc. Designed for dc-to-dc converter and energy storage applications, the new Vishay Dale devices will be used to replace taller, larger, and/or lower-performing inductors, thus enabling lighter, thinner mobile and desktop computers, servers, cell phones, digital cameras, global positioning systems, and other handheld electronic products.

Two new series of high-current inductors that combine low losses at frequencies up to 5 MHz, low DCR values, and a height profile that is 30% lower than in conventional solutions were announced today by Vishay Intertechnology, Inc.

Designed for dc-to-dc converter and energy storage applications, the new Vishay Dale devices will be used to replace taller, larger, and/or lower-performing inductors, thus enabling lighter, thinner mobile and desktop computers, servers, cell phones, digital cameras, global positioning systems, and other handheld electronic products.

New Vishay Dale IHLP-2525CZ-01 inductors measure 0.25 in. (6.47 mm) by 0.27 in. (6.68 mm), with a height profile of just 0.118 in. (3.0 mm). Dimensions for new IHLP-5050CE-01 devices are 0.508 in. (12.9 mm) by 0.520 in. (13.2 mm), with a height profile of 0.138 in. (3.5 mm).

Standard inductance values in the IHLP-2525CZ-01 series range from 0.10 μH to 4.7 μH, and maximum DCR ranges from 1.7 milliohms to 40 milliohms at 100 kHz, depending on inductance. Maximum current handling ranges from 3.9 A to 22 A. The IHLP-5050CE-01 features a standard inductance range of 0.47 μH to 5.6 μH, maximum DCR values from 2 milliohms to 18 milliohms at 100 kHz, and current ratings from 6.5 A to 18 A. Alternative designs in the IHLP family have inductance ranges from 0.025 μH to 15μH with current ratings up to 48 A.

Inductance tolerance for both devices is ±20%. At full rated current, each device has an inductance drop of less than 10%. Both inductor series are now available using an entirely lead-free construction.

Samples and production quantities are available now. Lead time for production quantities is six to eight weeks.

http://www.vishay.com

About: Vishay Electronic
Vishay Transducers is a division of Vishay Measurements Group. Vishay Measurements Group develops, manufactures, and markets a broad range of sensors for a wide variety of test and measurement applications. These include electrical resistance strain gages for both stress analysis testing and transducer manufacturing applications, load cells for approved weighing applications, force transducers, instrumentation, hybrid strain gage assemblies and bonding services.

Vishay, a Fortune 1,000 Company listed on the NYSE, is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, transistors, optoelectronics, and selected ICs) and passive electronic components (resistors, capacitors, inductors, and transducers). The Company's components can be found in products manufactured in a very broad range of industries worldwide. Vishay is headquartered in Malvern, Pennsylvania, and has operations in 17 countries employing over 26,000 people.


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