Printer Friendly


Vishay Intertechnology, Inc. (NYSE:VSH), Malvern, Pa., has released a new SMD tantalum capacitor with capacitance values up to 2200 microfarads; an inductor with DCR values down to 0.50 milliohms at 0.19 microhenries; and new zero crossing 1.5-kV/microsecond dV/dt phototriacs.

The new Vishay Sprague SMD capacitor with capacitance values up to 2200 microfarads features a conductive polymer cathode technology that delivers low equivalent series resistance (ESR) values across a capacitance range from 47 microfarads to 2200 microfarads with a standard capacitance tolerance of plus/minus 20%. The 552D capacitor is intended for use in 3G PCMCIA wireless cards, embedded modems, PDAs, and laptop computers. Maximum ESR ratings at 100 kHz range from 25 milliohms to 90 milliohms, and voltage ratings range from 4 WVDC to 6.3 WVDC. Available in six low-profile EIA standard case sizes -. B, M, T, U, V, and X -. the capacitor offers a wide variety of sizes and ratings that simplify design of compact electronic systems.

The new Vishay Dale IHLP-4040DZ-15 inductor features DCR values down to 0.50 milliohms at 0.19 microhenries. This is the lowest DCR per microhenry available in a 0.402-in. by 0.402-in. [10.2-mm by 10.2-mm] package with a 0.157-in. [4.0-mm] height profile. Saturation current and typical DCR values for the inductor range up to 44 A and from 0.50 milliohms to 5.20 milliohms, respectively, over an inductance range of 0.19 microhenries to 2 microhenries. Inductance tolerance for the new device is plus/minus 20%. The inductor is intended for dc-to-dc converter applications in end products including next- generation mobile devices; notebooks, desktop computers, servers, and graphics cards; and power supplies and point of load (POL) converters. It will also be used in distributed power systems and to regulate power for field programmable gate arrays (FPGAs). It features a 100% lead (Pb)-free, shielded, composite construction that reduces buzz noise.

The new Vishay Semiconductors VO3062 and VO3063 zero crossing 1.5-kV/microsecond dV/dt phototriacs are designed to isolate low-voltage logic from ac voltages up to 380 V. The phototriacs consist of a GaAs infrared LED that is optically coupled to a monolithic photosensitive zero crossing triac detector chip. A low-input trigger current facilitates an easy interface with microcontrollers and digital logic. The VO3062 and VO3063 are designed for control of resistive, inductive, or capacitive loads including motors, solenoids, high-current thyristors, and relays. Optimized for noisy environments, typical applications for the new devices will include refrigerators, air conditioners (HVAC), dishwashers, vending machines, industrial controls, ac motor drives, switches, switching power supplies, and solenoid/valve controls. The devices are available in 6-pin DIP, 400-mil DIP, and SMD packages.

Vishay Intertechnology, Inc., a Fortune 1,000 company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, rectifiers, transistors, and optoelectronics) and selected ICs, and passive electronic components (resistors, capacitors, inductors, and transducers). Vishay'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 25,000 people.

For more information, visit or call 610/251-5287.
COPYRIGHT 2005 Worldwide Videotex
No portion of this article can be reproduced without the express written permission from the copyright holder.
Copyright 2005 Gale, Cengage Learning. All rights reserved.

Article Details
Printer friendly Cite/link Email Feedback
Publication:Electro Manufacturing
Geographic Code:1USA
Date:Dec 1, 2005

Related Articles
Voltage regulators.
Are embedded passives ready for prime time? Key players and innovations shape the future of embedded components.
Kemet alleges AVX infringement, CEO quits.

Terms of use | Privacy policy | Copyright © 2019 Farlex, Inc. | Feedback | For webmasters