A series of useful pages on the characteristics of many common & some = proprietary surface mount and through hole package types. A page or so of data on each type including dimensions, thermal = characteristics, tyoical power, current and voltage ratings for = package type, materials used and typical applications. Some data will = be specific to this manufacturer (PSI technologies but much is = relatively generic). eg SOT89 http://www.psitechnologies.com/products/sot89.php More than you would fit on a cross reference table but less than a = full data sheet. Superb quick reference for package type comparisons. = List of types covered at end of this message. Alternative indexing method at http://www.psitechnologies.com/products/productchart.php Also other device / package lists at http://www.psitechnologies.com/products/applications/rectifiers.php SOT 23 SC 70 SOT 223 SOT 89 SOT 82 TO 92 / DO 92 TO 251 / TO 252 Powerflex=99 TO 126/SOT 32 TO 220 / DO 220 TO 263 TO 220 Fullpack TO 218 / SOT 93 TO 247 TO 264 SOT 227 PowerQFN Powermite=99 LFPAK=99 Power Modules = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist