The DS1669 Dallas™ is a single digital rheostat or potentiometer with access to all three potentiometer terminals. The potentiometer has 64 wiper positions with equal or linear resistive step sizes.
The IRF9640 is a 200V 11A Fifth Generation P-Channel HEXFETs from International Rectifier utilize advanced processing techniques to achieve extremely low on-resistance per silicon area. This benefit, combined with the fast switching speed and ruggedized.
The 2SK2850, 2SK-2850, K2850, 2850 Is a 6A 900V 125W N-Channel MOSFET Or Field Effect Transistor TO-3P Package 3 Pin Leads, Product Manufactured by Company Fuji Electric Corp.
These epitaxial planar transistors are mounted in the TO-126 plastic package. The PNP types are the BD136 and BD140, and the complementary NPN types are the BD135 and BD139.