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Composite-Coupled Inductors come in 4040 case size.

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Composite-Coupled Inductors come in 4040 case size.
Composite-Coupled Inductors come in 4040 case size.

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February 6, 2014 - Available in 8 inductance values from 2.2–47 H, IHCL devices integrate 2 inductors in 10.16 x 10.67 x 4.0 mm package with magnetic coupling >90%. Frequency range reaches up to 5.0 MHz, and operating range is -55 to +155C. Optimized for SEPIC DC/DC converter circuits in automotive LED lighting as well as for common mode applications, composite-coupled inductors are built on IHLP technology and are resistant to thermal and mechanical shock, moisture, and vibration.
Original Press Release

63 Lincoln Hwy., P.O. Box 4004
Malvern, PA, 19355

New Vishay Intertechnology Composite-Coupled Inductors Built on IHLP Technology for SEPIC DC/DC Converters and Common Mode Applications

Featuring Magnetic Coupling > 90 % in Compact 4040 Case Size, Devices Are Available With Eight Inductance Values From 2.2 H to 47 H

MALVERN, Pa. — Vishay Intertechnology, Inc. (NYSE: VSH) today introduced the first devices in a new series of composite-coupled inductors, built on the company's IHLP technology, for use in SEPIC DC/DC converters, and other applications. Offered in the compact 4040 case size, the Vishay Dale IHCL devices feature two inductors in the same package with magnetic coupling > 90 %, high-temperature performance to +155 C, and are available in eight inductance values ranging from 2.2 H to 47 H.

With a frequency range up to 5.0 MHz, the devices released today are optimized for SEPIC converter circuits in automotive LED lighting. By integrating two inductors in one compact 10.16 mm by 10.67 mm package with a low 4.0 mm profile, the IHCL devices allow engineers to design more compact, robust, and efficient SEPIC converter circuits while lowering overall costs. The IHCL series can also be used for common mode applications.

The new inductors handle high transient current spikes without hard saturation. Packaged in an RoHS-compliant, 100 % lead (Pb)-free shielded, composite construction that reduces buzz noise to ultra-low levels, the devices are specified for an operating temperature range of -55 C to +155 C, with high resistance to thermal shock, moisture, mechanical shock, and vibration.
Device Specification Table:
Part number Inductance @ 100 kHz, 0.25 V, 0 A DCR nom. @ 25 C DCR max. @ 25 C Heat rating current DC typ. Saturation current DC typ.
IHCL-4040DZ-5A 2.2 H 2.2 H 13.0 mΩ 15.0 mΩ 9.5 A 11.0 A
IHCL-4040DZ-5A 2.7 H 2.7 H 15.9 mΩ 17.0 mΩ 9.3 A 11.0 A
IHCL-4040DZ-5A 4.7 H 4.7 H 28.0 mΩ 30.0 mΩ 6.2 A 9.0 A
IHCL-4040DZ-5A 10 H 10 H 90.6 mΩ 97.0 mΩ 4.3 A 8.0 A
IHCL-4040DZ-5A 15 H 15 H 109.0 mΩ 116.6 mΩ 3.3 A 6.0 A
IHCL-4040DZ-5A 22 H 22 H 177.0 mΩ 189.6 mΩ 2.5 A 4.75 A
IHCL-4040DZ-5A 33 H 33 H 165.0 mΩ 176.2 mΩ 2.6 A 2.5 A
IHCL-4040DZ-5A 47 H 47 H 241.0 mΩ 257.5 mΩ 2.2 A 2.7 A

Samples and production quantities of the composite-coupled inductors are available now, with lead times of eight to 10 weeks for large orders. Pricing for U.S. delivery only in 10,000-piece quantities starts at $0.65 per piece.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at

IHLP is a registered trademark of Vishay Intertechnology.
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