> >Any idea for a source or cross ref for Q552 - transistor - # 151-0426 01? ================================= A 151-0426-01 is a selected 151-0426-00 which is a D44H11. Plug D44H11 into this and you'll find they're readily available from the big three. <http://www.findchips.com/avail> K7DFW ..._._