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Mini crystals target TPMS

Posted: 31 Aug 2005 ?? ?Print Version ?Bookmark and Share

Keywords:nihon dempa kogyo? ndk? crystal resonator? nx5032sd? nx8045gb?

Nihon Dempa Kogyo Co. Ltd (NDK) offers two crystal resonator options to provide frequency control for transmitters or receivers in tire pressure monitor systems (TPMS).

The new NX5032SD crystal measures 5-by-3.2mm with a height of 1mm, while the larger NX8045GB device measures 8-by-4.5mm with a height of 1.8mm. Both crystals are hermetically sealed in ceramic surface-mount packages that exceed the tough shock, vibration, drop and acceleration requirements for TPMS applications.

These crystals are said to deliver excellent stabilized startup characteristics over the wide operating temperature range of -40C to 125C. The NX5032SD is available in the frequency range of 9.84MHz to 40MHz and the NX8045GB offers a frequency range of 5MHz to 40MHz with excellent frequency stability of 50ppm at 25C.

The NX5032SD is designed to reduce electromagnetic interference (EMI), which is critical for in-hub applications, said the company. Both of these crystals are RoHS compliant and are designed to withstand the requirements of reflow soldering using lead-free solder. NDK is also TS 16949 certified.

The NX5032SD and NX8045GB devices (packaged on tape and reel) are priced at approximately 55 cents and 43 cents each, respectively, in quantities of 10,000. Delivery is 12 weeks.

- Gina Roos


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