SOT-723 Component Package

A 3D render of the SOT-723 component package.

SOT-723 (Small Transistor Outline 723) is a 3-lead SMD component package. SOT-723 is used for things such as MOSFETs, digital transistors (BRTs), small-signal switching diodes, low power rectifiers and ESD diodes.

Synonyms

• VMT3: Rohm Semiconductor’s name¹.
• Case 631AA: onsemi’s name².
• SC-105AA: Rohm Semiconductor’s name¹.
• SOT-723
• SOT-723-3

Dimensions

Here are the dimensions and a recommended footprint for the SOT-723 component package.

Dimensions and a recommended footprint for the SOT-723 component package. Image from http://www.onsemi.com/pub_link/Collateral/ESD7C3.3D-D.PDF.

The major dimensions from the above diagram are as follows:

Dimension Name	Dimension Letter	Value
Body length	$D$	1.20mm
Body width	$E$	0.80mm
Body width incl. leads	$H_e$	1.20mm
Pitch	$e$	0.80mm

Recommended Land Pattern

The recommended land pattern for the SOT-723 component package from onsemi².

PCB Land Area (package only) = $1.44mm^2$
PCB Land Area (incl. recommended footprint) = $1.88mm^2$

Similar To

• SOT-23
• SOT-523F

Footnotes

1. Rohm Semiconductor (2016). RSM002N06 - Nch 60V 250mA Small Signal MOSFET [datasheet]. Retrieved 2024-04-19, from https://fscdn.rohm.com/en/products/databook/datasheet/discrete/transistor/mosfet/rsm002n06-e.pdf. ↩ ↩²

2. onsemi. ESD Protection Diode - Micro−Packaged Diodes for ESD Protection - ESD7C, SZESD7C SERIES [datasheet]. Retrieved 2024-04-19, from https://www.onsemi.com/pdf/datasheet/esd7c3.3d-d.pdf. ↩ ↩²