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VOLUME -24 NUMBER 7
Publication Date: 07/1/2009
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Electronic Mfg. Services
Electronic Mfg. Products
Special Features: Assembly and Packaging
Product Preview: Semicon West
July 2009 Issue
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Heat-Resistant Mini SMD Crystals from NDK
Heat-tolerant xtal oscillators.
Belvidere, IL — NDK (Nihon Dempa Kogyo Co., Ltd.) has introduced the NX3225GB series of quartz crystals that are designed to have a high resistance to solder cracking even when applied with lead-free solder. They are able to withstand 2500 cycles of going from -30 to +120°C without cracking, making them suitable for the CPU clock in engine controls.
This series exhibits stable start-up characteristics even under severe environmental conditions, as their operating temperature range is -40 to +150°C. The crystal is also resistant to shock and vibration. It has a very low profile of 0.75mm and a footprint of 3.2 x 2.5mm reduces board space by over 25 percent — when compared to the 8.2 x 4.5mm solder crack-resistant predecessor. The crystals operate in a fundamental frequency range of 9.84375 to 50MHz and frequency tolerance at 25°C is ±50ppm. The maximum ESR (equivalent series resistance) is 300Ω in the frequency range of 9.84375 to 12MHz, 120Ω in the frequency range of 12 to 20MHz and 100Ω in the 20 to 50MHz frequency range. The standard load capacitance is 8pF, however other values can be made available. They conform to AEC-Q200 and are RoHS-compliant.
Contact: NDK America, Inc., 701 Crystal Parkway, Belvidere, IL 61008
815-544-7900 fax: 815-544-7901 Web:
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