SOD-523 COMPONENT PACKAGE

SOD-523 Component Package

Article by:

Date Published:	November 9, 2014
Last Modified:	March 23, 2022

1. Overview

Name

SOD-523 (Small Outline Diode 523) (JEDEC)

Image

sc 79 sod 523 component package 3d render

Synonyms

CASE 502 (onsemi, STYLE 1 has diode polarity mark, STYLE 2 does not[1])
SC-79 (EIAJ[2])
SSMini2-F5-B (Panasonic[3])

Similar To

SOD-123 (largest)
SOD-323 (larger)
SOD-723 (smaller)
SOD-923 (smallest)

Variants

None

Mounting

SMD

Pin Count

Pitch

1.40mm

Solderability

Reflow is most suitable. Possible to hand solder/reflow as long as experienced.

Thermal Resistance

Package Dimensions

Length: 1.65mm[1]
Width: 0.80mm[1]
Height: 0.60mm[1]

Typical PCB Land Area

\(2.58mm^2\) (2.15x1.20mm)[2]

3D Models

Common Uses

ESD protection diodes.
Schottky diodes.

2. Comments

The SOD-523 package size (excluding height) of 1.65x0.80mm (length x width) is very similar to the 0603 chip package size of (1.55x0.85mm). SOD-523 is smaller than the SOD-323 package, but larger than the SOD-723 package.

Figure 1. Package dimensions for the SOD-523 package[2].

Figure 2. Recommended land pattern for the SOD-523 package[2].

References

[1] ON Semiconductor (now onsemi). RB751S40: Schottky Barrier Diode (datasheet). Retrieved 2022-03-24, from https://www.onsemi.cn/pdf/datasheet/rb751s40t1-d.pdf.
[2] NXP (2022). SOD523 plastic surface-mounted package; 2 leads (package information). Retrieved 2022-03-24, from https://www.nxp.com/docs/en/package-information/SOD523.pdf.
[3] Panasonic (2013, Apr). DB2S308 (datasheet). Retrieved 2022-03-24, from https://docs.rs-online.com/4e91/0900766b814af80d.pdf.
[4] Nexperia. SC-79 (SOD523) plastic, surface-mounted package; 2 leads; 1.2 mm x 0.8 mm x 0.6 mm body. Retrieved 2022-03-24, from https://www.nexperia.com/packages/SOD523.html.