This part is a kind of semiconductor called ABM10.

Function of this product has CERAMIC SMD ULTRA MINIATURE QUARTZ CRYSTAL.

Manufacturers : Abracon Corporation

Image and pinout :

Some of the text within the PDF file :

CERAMIC SMD ULTRA MINIATURE QUARTZ CRYSTAL ABM10 FEATURES: Pb RoHS Compliant APPLICATIONS: • Blue-tooth, Wireless applications • Computers, Modems, Microprocessors • Communication, Test equipment • High density applications • PCMCIA • Portable radios and MP3 players 2.5 x 2.0 x 0.55 mm | | | | | | | | | | | | | | | • RoHS compliant • Suitable for reflow • Tight stability available • Ceramic package seam welded sealing assures high precision and reliability STANDARD SPECIFICATIONS: PARAMETERS ABRACON P/N Frequency Range Operation Mode Operating Temperature Storage Temperature Frequency Tolerance Frequency Stability Equivalent Series Resistance Shunt Capacitance C0 Load Capacitance CL Drive Level Aging at 25°C ± 3°C Per Year Insulation Resistan [ ... ]

ABM10 PDF Datasheet Download