Specifications: 1) MAR SMD low power, low noise, high frequency transistors 2) Replacement of Philips, NEC, Toshiba, Hitachi, and Infineon transistors 3) Replacement of 2SC3837K, 2SC3838, 2SC3356, BFS17, BFS17A, BFT25, BF579, MMBTH10, BFS17P, BF547, 2SC3130, 2SC4245, 2SC3120, 2SC3098 BF517 4) Frequency range: 0.25GHz - 3.5GHz 5) Package: a) JEDEC: SOT23, SOT323, SOT523 b) EIAJ: SC-59, SC-70, SC-75 6) Model numbers: MAR3837K, MAR3838, MAR17, MAR17A, MAR25, BF579 MAR10 Inner packing: 3,000pcs/reel Outer packing: 150,000pcs/ctn