Low profile crystal suits smartcard applications

Epson’s FC-12D kHz crystal has a low profile of only 0.35mm (maximum) enabling height critical applications such as smartcards to meet the ISO 7810 size standard.

Epson’s photolithographic processing technology enables a sub-miniature size of 2.05 x 1.25 x 0.35mm3 and delivers what is claimed to be best-in-class equivalent series resistance (ESR) of 75kOhm maximum, which is vital for fast start up and low power.

Smartcards operate from a small battery and the FC-12D is designed to achieve low sensitivity to load changes. Additionally, smartcards are subject to bending and ESD stress. To address this, the FC-12D features a ceramic package and a patented three-point crystal mount. For ESD shielding, FC-12D uses a four-pin layout with a GND pin connected to a Faraday shield.

FC-12D is available at 32.768 kHz with frequency tolerance from ±10 to ±20 parts per million at 25 degree C and load capacitance from six to 15pF.

Epson Europe Electronics is a marketing, engineering and sales company and the European headquarters for electronic devices of the Seiko Epson Corporation, Japan. It has been headquartered in Munich, Germany since 1989, with 50 employees. Epson Europe Electronics has several European sales representatives and has a European-wide network of distributors. Epson Europe Electronics provides value added services for semiconductors, sensors, sensing systems and timing devices targeted to industrial, automotive, medical and communication markets.   

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http://www.epson-electronics.de