-Epitaxial planar die construction. -Complementary NPN type available (MMBT5551-G). -Ideal for medium power amplification and switching. Diagram: Collector 3 1 Base Marking: 2L 2 Emitter 0.056(1.40) 0.047(1.20) 0.041(1.05) 0.035(0.90) SOT-23 0.119(3.00) 0.110(2.80) 3 12 0.079(2.00) 0.071(1.80.