For: 5. Through hole mounting Read: 5. Hand solderable by an old man who drinks too much coffee. Also, for 6: Reasonable cost: In 100's total cost of circuit, including switcher, inductor, cap(s), diode under $2.00 if possible Read: 6: Reasonable cost: In 100's total cost of circuit, including switcher, inductor, cap(s), diode under $4.00 if possible Does that help open up the possibilities?? -- Bob Ammerman -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist