This part is a kind of semiconductor called VS838.
Function of this product has Infrared Receiver Module.
Manufacturers : ETC
Image and pinout :
Some of the text within the PDF file :
Infrared Receiver Module : VS838 1. ● ● ● ● ● ● ; IC; ; ; ; ; 2. ■ ■ ■ : ( ( , , ; , , , ) ) 3. : 4. : Free Datasheet http://www.Datasheet4U.com Infrared Receiver Module : VS838 (T=25℃ Vcc=5v f0=38KHZ) Min Vcc L f0 01/2 BMP FBW Icc VOL VOH TPWL TPWH ※ , Vin=0V Vcc=5V Vcc=5V Vin=500μVp-p※ Vin=50mVp-p※ 600/900μs , 4.5 500 500 5CM 1/2 -3Db andwidth 2 ---L5IR=300MA ( ) 2.7 15 38K Typ Mnx 5.5 V M HZ 18 +/-45 3.3 0.4 0.2 600 600 , 5 1.5 0.4 700 700 50 Deg kHz mA V V μs μs 5. : 6. : Vcc Topr Tstg Tsol 6.0 -20-85 -40-125 240 v ℃ ℃ ℃ Free Datasheet http://www.Datasheet4U.com Infrared Receiver Module : VS838 7. : 8. : Min Vcc FM Topr -20 2. 2 Typ ----33 25 80 Mnx 6. 0 V kHz ℃ 9. 1. 2. 3. 4. 5. , , ( �� [ ... ]