This part is a kind of semiconductor called MCR01.

Function of this product has Thick film rectangular.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

MCR01 Resistors Thick film rectangular MCR01 (1005 size : 1 / 16W) zFeatures 1) Extremely small light Area ratio is 60% smaller than that of chip 1608, while weight ratio has been cut 75%. 2) Highly reliable chip resistor Ruthenium oxide dielectric offers superior resistance to the elements. 3) Electrodes not corroded by soldering Thick film makes the electrodes very strong. 4) Flat surface further facilitates mounting Mounting can also be automated. 5) ROHM resistors have approved ISO–9001 certification. Design and specifications are subject to change without notice. Carefully check the specification sheet supplied with the product before using or ordering it. zRatings Item Rated power Conditions Power must be derated according to the power derating curve in Figure 1 when ambient temp [ ... ]

MCR01 PDF Datasheet Download