This part is a kind of semiconductor called 5W4VC-IXXXX.

Function of this product has LED.

Manufacturers : Jiangmen Xinqiao Optoelectronic

Image and pinout :

Some of the text within the PDF file :

品名：5W4VC-iXXXX φ4.8 单位：mm 7.9 0.6 27 0.5 25 2.54 Parameter Luminous lntensity Viewing Angle Peak Emission Wavelength Spectral Line Half-Width Forward Voltage Reverse Current Symbol IV 2θ1/2 λP △λ VF IR Min. 5801 10 Typ. Max. 7000 60 UNIT mcd Deg nm nm Test Condition IF=20mA B/Y 30 3.0 3.8 10 IF=20mA IF=20mA IF=20mA VR=5V V μA ■ ABSOLUTE MAXIMUM RATINGS: (Ta = 25℃) ■ OPERATING TEMPERATURE: －40℃ TO ＋80℃ ■ LEAD SOLDERING: 260℃ FOR 5 SECONDS [ ... ]

5W4VC-IXXXX PDF Datasheet Download