Mechanical Dimensions & Land Pattern (SOT-223-3)
Extracted from Datasheet & IPC-7351B NormalizedRecommended Companion BOM & Drop-In Equivalents
Passive external components per reference schematic and 1:1 pin-compatible alternatives| Designator / Replacement MPN | Value / Package | Function & PCB Layout Rule |
|---|---|---|
| N/A BOM | Per application circuit SOT-223-3 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — MCP1825S-1202E/DB (SOT-223-3)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of MCP1825S-1202E/DB (SOT-223-3)?
Manufactured by MICROCHIP, the MCP1825S-1202E/DB is housed in a SOT-223-3 package with 4 pins and a 2.30 mm lead pitch, supporting a VCC supply range of 2.1V to 6.0V. Key pins include: 1 (V IN: Multiplexed I/O & Peripheral Pin V IN (General)), 2 (GND: Ground Reference Pin (GND)), 3 (V OUT: Multiplexed I/O & Peripheral Pin V OUT (General)), 4 (TAB: Multiplexed I/O & Peripheral Pin TAB (General)).
What are the IPC-7351B PCB Footprint dimensions for MCP1825S-1202E/DB?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), MCP1825S-1202E/DB (SOT-223-3) has a nominal body envelope of 3.50 × 6.50 mm, pitch e = 2.30 mm, and 4 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for MCP1825S-1202E/DB?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for MCP1825S-1202E/DB (MICROCHIP, SOT-223-3) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.
Static Reference Appendix: Pinout Table (4 pins) & MCP1825 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | V IN | Digital_IO | Signal terminal V IN (I/O, 2.1V to 6.0V domain). Multiplexed alternate functions: V IN. Supported peripheral buses: General. |
| 2 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 3 | V OUT | Digital_IO | Signal terminal V OUT (I/O, 2.1V to 6.0V domain). Multiplexed alternate functions: V OUT. Supported peripheral buses: General. |
| 4 | TAB | Digital_IO | Signal terminal TAB (I/O, 2.1V to 6.0V domain). Multiplexed alternate functions: TAB. Supported peripheral buses: General. |







![MCP1825S-1202E/DB (SOT-223-3) — 3-Lead Plastic Small Outline Transistor (DB) [SOT-223] - Note: For the most current package drawings, please see the Microchip Packaging Specification located at - http:/www.microchip.com/packaging | © 2008 Microchip Technology Inc. DS22056](/api/v1/assets/C153262/extracted/figures/p27_fig01.png)




