This part is a kind of semiconductor called STU9916L.

Function of this product has N-Channel Enhancement Mode Field Effect Transistor.

Manufacturers : SamHop Microelectronics

Image and pinout :

Some of the text within the PDF file :

STU/D9916L SamHop Microelectronics Corp. Preliminary Mar.25 2004 N-Channel Enhancement Mode Field Effect Transistor PRODUCT SUMMARY VDSS 30V FEATURES ( m £[ ) Max ID 25A RDS(ON) Super high dense cell design for low RDS(ON). 30@ VGS = 10V 40@ VGS = 4.5V Rugged and reliable. TO-252 and TO-251 Package. D D G S G D S G SDU SERIES TO-252AA(D-PAK) SDD SERIES TO-251(l-PAK) S ABSOLUTE MAXIMUM RATINGS (TA=25 C unless otherwise noted) Parameter Drain-Source Voltage Gate-Source Voltage Drain Current-Continuous a @TA= 25 C b -Pulsed Drain-Source Diode Forward Current a Maximum Power Dissipation a Operating Junction and Storage Temperature Range Symbol VDS VGS ID IDM IS PD TJ, TSTG Limit 30 20 25 63 20 50 -55 to 175 Unit V V A A A W C THERMAL CHARACTERISTICS Thermal Re [ ... ]

STU9916L PDF Datasheet Download