The MMSTA42-7-F from Diodes Incorporated is a NPN Small Signal Transistor that is designed for low power amplification and switching applications. It has a collector-emitter breakdown voltage of over 300 V, a base-emitter breakdown voltage of up to 6 V, and a collector-emitter saturation voltage of less than 0.5 V. This transistor has a collector current of 200 mA and a power dissipation of 200 mW. It is encapsulated in a molded plastic package with a UL 94V-0 flammability rating for high durability. This RoHS-compliant Epitaxial Planar transistor is available in a surface-mount package that measures 2.2 x 2.2 x 1.0 mm and weighs 6 mg.