Mechanical Dimensions & Land Pattern (SOT-23-3)
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-23-3 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — MCP1810T-33I/TT (SOT-23-3)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of MCP1810T-33I/TT (SOT-23-3)?
Manufactured by MICROCHIP, the MCP1810T-33I/TT is housed in a SOT-23-3 package with 3 pins and a 1.90 mm lead pitch, supporting a VCC supply range of 2.5V to 5.5V. Key pins include: 1 (V OUT: Multiplexed I/O & Peripheral Pin V OUT (General)), 2 (V IN: Multiplexed I/O & Peripheral Pin V IN (General)), 3 (GND: Ground Reference Pin (GND)).
What are the IPC-7351B PCB Footprint dimensions for MCP1810T-33I/TT?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), MCP1810T-33I/TT (SOT-23-3) has a nominal body envelope of 1.30 × 2.90 mm, pitch e = 1.90 mm, and 3 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for MCP1810T-33I/TT?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for MCP1810T-33I/TT (MICROCHIP, SOT-23-3) 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 (3 pins) & MCP1810 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | V OUT | Digital_IO | Signal terminal V OUT (I/O, 2.5V to 5.5V domain). Multiplexed alternate functions: V OUT. Supported peripheral buses: General. |
| 2 | V IN | Digital_IO | Signal terminal V IN (I/O, 2.5V to 5.5V domain). Multiplexed alternate functions: V IN. Supported peripheral buses: General. |
| 3 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |





![MCP1810T-33I/TT (SOT-23-3) — 2016-2018 Microchip Technology Inc. DS20005623B-page 31 | RECOMMENDED LAND PATTERN | 5-Lead Plastic Small Outline Transistor (OT) [SOT23] | For the most current package drawings, please see the Microchip Packaging Specification located at](/api/v1/assets/C510886/extracted/recommended_footprint.png)






