Mechanical Dimensions & Land Pattern (SOT-23-5)
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-23-5 | Size power & signal trace widths for rated load current following IPC-2221 clearance rules. |
Technical Frequently Asked Questions (FAQ) — MCP9800A5T-M/OT (SOT-23-5)
Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formatsWhat is the Pinout and operating voltage specification of MCP9800A5T-M/OT (SOT-23-5)?
Manufactured by MICROCHIP, the MCP9800A5T-M/OT is housed in a SOT-23-5 package with 5 pins and a 0.95 mm lead pitch, supporting a VCC supply range of 2.7V to 5.5V. Key pins include: 1 (VDD: Power Supply Input (VDD — 2.7V to 5.5V)), 2 (GND: Ground Reference Pin (GND)), 3 (ALERT: Multiplexed I/O & Peripheral Pin ALERT (General)), 4 (SCLK: Multiplexed I/O & Peripheral Pin SCLK (SPI, I2C)), 5 (SDA: Multiplexed I/O & Peripheral Pin SDA (I2C)).
What are the IPC-7351B PCB Footprint dimensions for MCP9800A5T-M/OT?
Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), MCP9800A5T-M/OT (SOT-23-5) has a nominal body envelope of 1.60 × 2.90 mm, pitch e = 0.95 mm, and 5 copper pads.
Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for MCP9800A5T-M/OT?
You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for MCP9800A5T-M/OT (MICROCHIP, SOT-23-5) 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 (5 pins) & MCP9800 Family VariantsExpand static table
| Pin # | Signal Name | Electrical Type | Functional Description & Design Notes |
|---|---|---|---|
| 1 | VDD | Power_In | Primary positive power supply input (VDD) operating in the 2.7V to 5.5V domain (Max rating: 5.5V). |
| 2 | GND | GND | 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks. |
| 3 | ALERT | Digital_IO | Signal terminal ALERT (I/O, 2.7V to 5.5V domain). Multiplexed alternate functions: ALERT. Supported peripheral buses: General. |
| 4 | SCLK | Digital_IO | Signal terminal SCLK (I/O, 2.7V to 5.5V domain). Multiplexed alternate functions: SCLK. Supported peripheral buses: SPI, I2C. |
| 5 | SDA | Digital_IO | Signal terminal SDA (I/O, 2.7V to 5.5V domain). Multiplexed alternate functions: SDA. Supported peripheral buses: I2C. |










