Hello. Welcome to Futurlec. The electronic components Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help. POWER TRANSISTORS - 2N SERIES 2N Series 2N Series of high power transistors for switching and amplifier applications. Includes the 2N3055, 2N3771 and 2N3772. Quantity discounts are available for 25 or more parts, click on the price link for more information. POWER TRANSISTORS - BD SERIES BD Series BD and BU Series of high power transistors for switching and amplifier applications. Includes the BD139, BD140 and BU406, plus many more. Quantity discounts are available for 25 or more parts, click on the price link for more information. POWER TRANSISTORS - MJE SERIES MJE Series MJ and MJE Series of high power transistors for switching and amplifier applications. Includes the MJE2955, MJE3055 and MJE13005, including MJ types. Quantity discounts are available for 25 or more parts, click on the price link for more information. POWER TRANSISTORS - TIP SERIES TIP Series TIP Series of high power transistors for switching and amplifier applications. Includes the TIP41, TIP42 and TIP29. Quantity discounts are available for 25 or more parts, click on the price link for more information.