MIC29300-3.3BTIC REG LDO 3.3V 3A TO220-3|MICREL INC|Lead All|RoHS Mixed MIC29300-3.3WT MIC29300-3.3BUIC REG LDO 3.3V 3A TO263|MICREL INC|Lead All|RoHS Mixed MIC29300-3.3WU