COMPONENT PACKAGES

SOP Component Package

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Overview

The SOP is the SMD equivalent of the DIP component package.

SOP-4

The SOP-4 is an easy to solder, medium sized, 4-pin SMD package. Commonly used for small solid-state relays (Vishay makes quite a few of them). Related to SOP-4L, which is the same width, but longer.

Photos And 3D Models

A photo of the SOP-4 component package.

A photo of the SOP-4 component package.

A 3D model of the SOP-4 component package. Image from www.digikey.com.

A 3D model of the SOP-4 component package. Image from www.digikey.com.

Dimensions And Land Pattern

The dimensions and recommended land pattern for the SOP-4 component package. Image from http://www.everlight.com/datasheets/EL452-G.pdf.

The dimensions and recommended land pattern for the SOP-4 component package. Image from http://www.everlight.com/datasheets/EL452-G.pdf.

SOP-8

The package dimensions for the SOP-8 component package. Image from https://www.ti.com/lit/ds/symlink/iso1050.pdf.

The package dimensions for the SOP-8 component package. Image from https://www.ti.com/lit/ds/symlink/iso1050.pdf.

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Name Small-outline Package
Synonyms DUB (TI SOP-8)
Variants n/a
Similar To SOP-4L (which is longer)
Mounting SMD
Pin Count 4
Pitch 2.54mm (width), 6.35mm (length)
Solderability Easy to solder by hand.
Thermal Resistance n/a
Power Dissipation 170mW (no heatsink)
Land Area 28.7mm2 (7x4.1mm)
Height 2.0mm (max)
3D Models SOP-4
Common Uses
  • Solid-state relays
  • Optocouplers.
  • Optically-isolated transceivers