SMT Surface Mount Transistors
SOT package is rectangular Surface Mount Transistor diode with three or more gull-wing leads. The leads are on the two length sides of the package. SOT packages are JEDEC compliant. Popular sizes are the SOT23, SOT143, SOT223 and SOT89. SOT components are available on plastic tape and reel.
| Drawing | Part Number | Number of Pins |
Body Size “W” |
Body Leads “L” |
SC Device |
Tape Width |
Tape Pitch |
Quantity 7" Reel |
Quantity 13" Reel |
| Drawing | SC90-TR (Supermini) | 3 | 1.6mm | 1.6mm | SC-75A | 8mm | 4mm | 3,000 | |
| Drawing | SOT323-TR | 3 | 2.0mm | 2.1mm | SC-70 | 8mm | 4mm | 3,000 | |
| Drawing | SOT325-TR | 5 | 2.0mm | 2.1mm | SC-88A | 8mm | 4mm | 3,000 | |
| Drawing | SOT326-TR | 6 | 2.0mm | 2.1mm | SC-88 | 8mm | 4mm | 3,000 | |
| Drawing | SOT23-TR | 3 | 2.9mm | 2.4mm | TO-236AB | 8mm | 4mm | 3,000 | |
| Drawing | SOT25-TR | 5 | 2.9mm | 2.8mm | SC-74A | 8mm | 4mm | 3,000 | |
| Drawing | SOT26-TR | 6 | 2.9mm | 2.8mm | SC-74 | 8mm | 4mm | 3,000 | |
| Drawing | SOT143-TR | 4 | 2.9mm | 2.5mm | TO-253AA | 8mm | 4mm | 3,000 | |
| Drawing | SOT89-TR | 3 | 4.5mm | 4.0mm | SC-62 TO-243AA |
12mm | 8mm | 1,000 | |
| Drawing | SOT223-TR | 3 | 6.5mm | 7.0mm | SC-73 TO-261AA |
12mm | 8mm | 1,000 | |
| Drawing | DPAK-TR | 6.5mm | 9.5mm | SC-63 TO-252AA |
16mm | 8mm | — | 2,500 | |
| Drawing | D2PAK-TR | 10.0mm | 15.2mm | TO-263AB | 24mm | 12mm | — | 800/1,000 |
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