This part is a kind of semiconductor called 2SB1181.

Function of this product has Power Transistor.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

2SB1260 / 2SB1181 PNP -1.0A -80V Middle Power Transistor Parameter VCEO IC Value -80V -1.0A lOutline MPT3 Base Collector Emitter lFeatures 1) Suitable for Middle Power Driver 2) Complementary NPN Types : 2SD1898 / 2SD1733 3) Low VCE(sat) VCE(sat)= -0.4V Max. (IC/IB= -500mA/ -50mA) 4) Lead Free/RoHS Compliant. 2SB1260 (SC-62) Datasheet CPT3 Collector Base Emitter 2SB1181 (SC-63) lInner circuit Collector Base Emitter lApplications Motor driver , LED driver Power supply lPackaging specifications Part No. Package 2SB1260 2SB1181 MPT3 CPT3 Package size (mm) 4540 6595 Taping code T100 TL Reel size (mm) Tape width (mm) Basic ordering unit (pcs) 180 12 1,000 330 16 2,500 Marking BE B1181 www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. 1/7 2013 [ ... ]

2SB1181 PDF Datasheet Download