Google found a 27M4B1 SGS 93 2250 at electrospec.com. Sadly, electrospec has no specs, just an RFQ form. Bill Hawkins -----Original Message----- geraldm at iprimus.com.au asked, So to the question, has any one ever come across a device marking of 27M4Bl or possibly a bad i(I) not an L(l)??