DO-204

"DO-29" redirects here. For the 1950s German tiltrotor aircraft, see Dornier Do 29. For the proposed German heavy fighter, see Dornier Do 29 (1934).
1N4148 axial diodes, in the glass DO-35 package (also known as DO-204-AH or SOD27)

DO-204 is a family of diode semiconductor packages defined by JEDEC. This family comprises lead-mounted axial devices with round leads. Generally a diode will have a line painted near the cathode end.