This part is a kind of semiconductor called D30NF06L.
Function of this product has STD30NF06L.
Manufacturers : ST Microelectronics
Image and pinout :

Some of the text within the PDF file :
N-CHANNEL 60V - 0.022Ω - 35A DPAK/IPAK STripFET™ POWER MOSFET TYPE STD30NF06L s s s s STD30NF06L VDSS 60 V RDS(on) <0.028Ω ID 35 A s s TYPICAL RDS(on) = 0.022Ω EXCEPTIONAL dv/dt CAPABILITY LOGIC LEVEL GATE DRIVE ADD SUFFIX “T4” FOR ORDERING IN TAPE & REEL ADD SUFFIX “-1” FOR ORDERING IN IPAK CHARACTERIZATION ORIENTED FOR AUTOMOTIVE APPLICATIONS 3 2 1 3 1 IPAK DPAK DESCRIPTION This Power Mosfet is the latest development of STMicroelectronics unique “Single Feature Size™” strip-based process. The resulting transistor shows extremely high packing density for low on-resistance, rugged avalance characteristics and less critical alignment steps therefore a remarkable manufacturing reproducibility. INTERNAL SCHEMATIC DIAGRAM APPLICATIONS s H [ ... ]
D30NF06L PDF Datasheet Download
