TO: Transistor Outline[]

Metal TO packages called Metal Header Package or Metal Can. Plastic TO packages referred to as 'Plastic Header Package', are generally a black plastic package with a back metal heat sink and one side with two of more pins

Abbrv	Full Name	JEDEC/JEITA
TO-3	Metal Can	[1]
TO3-B	Metal Can	[2]
TO-3P	Plastic	[3]
TO-3PF	Plastic	[4]
ITO-3P
TO-PN		[5]
TO-5	Metal can	[6]
TO-8	Metal Header Package	[7]
TO-18	Metal Can
TO-18 (plastic) 2L	Metal can with, optical, clear plastic top	[8]
TO-18 (Convex Lens) 3L	Metal can with, optical, convex lens top	[9]
TO-18 (Flat Lens) 3L	Metal can with, optical, flat lens top	[10]
TO-39	Metal Can	[11]
TO-46	Metal Can	[12]
TO-46 (plastic)	Metal can with, optical, clear plastic top	[13]
TO-46 (Convex Lens)	Metal can with, optical, convex lens top	[14]
TO-46 (Flat Lens)	Metal can with, optical, flat lens top	[15]
TO-51	Metal Can	[16]
TO-52	Metal Can	[17] [18]
TO-71	Metal Can
TO-72	Metal Can
TO-78	Metal Can	[19]
TO-92	Plastic Header Package with flat index	[20]
TO-92; TO-18 Lead Form STD	plastic Header Package with flat index	[21]
TO-92; TO-18rev Reverse Lead Form		[22]
TO-92; TO-5 Standard Lead Form		[23]
TO-92L		[24]
TO-92R	REGULATOR
TO-92S		[25]
TO-93	Metal Can
TO-99	Metal Header Package	[26]
TO-100	Metal Header Package	[27]
TO-126
TO-218-1L		[28]
TO-218AC		[29]
TO-220		[30]
TO-220AB, SC-46		[31]
TO-220AC		[32]
TO-220F		[33]
TO-220FM	TO-220 Full Mold	[34]
Isolated TO-220		[35]
FTO-220
ITO-220
TO-226AE		[36]
TO-237	plastic
TO-243, SC-62	plastic
TO-247F		[37]
TO-247		[38]
TO-247AD, TO-3P		[39]
TO-247 Single Gauge		[40]
TO-251, IPAK	plastic	[41]
TO-252, SC-63, DPAK	plastic	[42]
TO-262, I2PAK	plastic	[43]
TO-263 thin	plastic
TO-263, D2PAK	plastic	[44]
TO-264	Plastic	[45]
TO-268, D3PAK	plastic	[46]