B4251CK5-3.9 Datasheet and B4251CK5-3.9 manual

Manufacturer : Bay Linear 

Packing : SOT-25 

Pins : 5 

Temperature : Min -40 °C | Max 125 °C

Size : 189 KB

Application : 3.9V 250mA low dropout regulator 

B4251CK5-3.9 PDF Download