This part is a kind of semiconductor called ABM2.

Function of this product has CERAMIC SURFACE MOUNT MINIATURE.

Manufacturers : Abracon Corporation

Image and pinout :

Some of the text within the PDF file :

CERAMIC SURFACE MOUNT MINIATURE MICROPROCESSOR CRYSTALS ABM 2 8.0 x 4.5 x 2.0 mm FEATURES: • • • • • APPLICATIONS: Low profile 2.0 mm; suitable for thin equipment. Ceramic package assures high reliability. Tight tolerance and stability available. Suitable for solder reflow. Fundamental frequency up to 50MHz. • Microprocessor crystals. • Modems, Communication, Test equipment. STANDARD SPECIFICATIONS Frequency Range 6.000 MHz - 100 MHz Frequency Range 3.5 MHz 25T MHz STAN DARD SPEC IF IC-~ A IONS Operating Mode 6.000MHz 50MHz Operation Mode Fundamental, AT (Fundamental) 30MHz ~ 60° 100MHz (3rd overtone) Operating Temperature -10°C to + C (See Options) Operating Temperature -10°C to +60°C (See Options) Storage Temperature -55°C to + 125° C Stor [ ... ]

ABM2 PDF Datasheet Download