This part is a kind of semiconductor called SMA41056.
Function of this product has Single Digit Numeric Displays.
Manufacturers : ETC
Image and pinout :

Some of the text within the PDF file :
0.56" Single Digit Numeric Displays Technical Data Sheet Model No.: SMA41056/42056 Spec No: W5611A/B Approved: JoJo Rev No: V.2 Checked: Wu Date: Sep/03/2009 Drawn: Sun Page: 1 OF 6 Features: ◇ 0.56″(inch) digit height. ◇ Excellent segment uniformity. ◇ Sold state reliability. ◇ Industrial standard size. ◇ Low power consumption. Descriptions: ◇ The SMA561XXX series is a lager 14.20mm(0.56 ″) high seven segments display designed for viewing distances up to 7 meters. ◇ These displays provide excellent reliability in bright ambient light. ◇ These devices are made with white segments and black surface. Applications: ◇ Audio equipment. ◇ Instrument panels. ◇ Digital read out display. Device Selection Guide: Model No. SMA41056 SMA42056 Chip Material GaAlAs Sou [ ... ]
SMA41056 PDF Datasheet Download
