Here a few outlines of electronics components. Also a list with abbriviations:

C = Capacitor DIL = Dual In Line IGBT = Insulated Gate Bipolar Transistor TO = Transistor Outline
R = Resistor OPAMP = Operational Amplifier FET = Field Effect Transistor MOS = Metal Oxide Semiconductor
IC = Integrated Circuit CPU = Central Processing Unit DP = Display Point LED = Light Emitting Diode
TO-3 TO-3 (fet) TO-3P TO-3P (fet) TO-5 TO-18 TO-39 TO-48
TO-66 TO-71 TO-72 TO-78 TO-92 (straight) TO-92 (preformed) TO-126 TO-202
TO-202-2 TO-202 (topless) TO-220(isolated) TO-220 TO-220-5 TO-220-5 SMD TO-220-7 TO-237
TO-247 TO-252 TO-262 TO-263 TO-264 E-line TO-92 SOT-263 Penta- Heptawatt
2 lead TO-18 2 lead To-92 D2-pak Isowatt-220ac TOP-3 TOP-31 SOT-93 SOT-181
SOT-37 SOT-103 8 lead STO-223 SO-8 DSO-20 DO-220 SOD-93 DOP-31
SOT-172D SOT-120 SOT-121 SOT-122A SOT-123 SOT-132B SOT-171 SOT-288D
SOT-321 SOT-23 SOT-89 SOT-223 SOT-323 SOT-143 SOD-110 SOD-123
DO-214 SOD-6 SOD-15 SOD-106 bridge-miniature Bridge-DIL 4 shortleads DIL 4 Powertap