Here you can download our free SMD code book that shows SMD marking codes for almost every surface-mount device available on the market. To identify a particular device, first identify the package ...

Sometimes, the parts list says it all. 777 transistors, 1223 resistors, 136 LEDs, 455 crimp connectors, 41 protoboards and 500 grams of solder. That’s what went into this transistor logic clock build.