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Fairchild Semiconductor has introduced two families of 200 mW digital transistors that integrate an external resistor bias network into what is said to be the smallest form factor package on the market. Well suited for use in switching, inverter, interface and driver circuits, the FJY30xx (NPN) and FJY40xx (PNP) series eliminates the need for external resistors. This integration reduces parts count, which in turn helps designers save board space, lower design costs, and simplify circuit design. Board space is further optimized by using surface-mount technology (SMT).

Available in an ultrasmall, ultrathin, 1.7 mm x 0.98 mm x 0.78 mm, SOT523F package, these transistors feature what is said to be the industry's lowest package height compared to similar devices in SOT523 packaging while consuming only 2.8 square millimeters of board real estate.

These digital transistors meet the MSL 1 qualification for moisture-sensitivity levels. Offered in a lead (Pb)-free package, they also meet or exceed the requirements of the joint IPC/JEDEC standard J-STD-020C and are compliant with European Union regulations now in effect.

Unit prices in 1000 piece quantities is $.037; delivery is 6 to 8 weeks after receipt of order.