A singleshot molded-plastic package includes a samarium-cobalt magnet, a pole piece, and a Hall-effect IC. Units can be used in conjunction with a wide variety of gear shapes and sizes. Sensors are ideal for obtaining speed, direction, and diagnostic information using gear-tooth-based targets found in ABS and transmission applications.

Allegro Microsystems,
115 Northeast Cutoff, Box 15036, Worcester, MA 01615,
(508) 853-5000, www.allegromicro.com