Part Verification Report
Worked for 11 mins 59 sec
Created a project doc
Part Verification Report — Adafruit 2187
Date: 2026-07-21 Reviewed available part information for project silicon-yard/2187: metadata, schematic symbol terminals, PCB footprint, 3D/...
Reviewed the Adafruit 2187 part information and created the full findings in Part Verification Report — Adafruit 2187. The Datasheet URL was already set, so I did not change it.
Open items:
- MPN is currently Adafruit SKU
2187; the drawing/spec identifier appears to beCS25582-40G-M36-0A. - Symbol has 40 pins but no pin descriptions or Raspberry Pi HAT function labels.
- Footprint looks broadly correct, but pad row spacing / pad length should be manually confirmed from the official drawing before production.
Suggested next steps:
- Add/clean metadata for the underlying connector MPN.
- Add Raspberry Pi 40-pin header pin descriptions.
- Confirm the SMT land pattern visually against the Adafruit spec sheet before manufacturing.
Fix metadata and pins
Add Pi pin labels
Clean part metadata
Verify footprint dimensions
Run ERC DRC
Refine this doc
Ask about this doc
Part Verification Report — Adafruit 2187
Date: 2026-07-21
Scope
Reviewed available part information for project
silicon-yard/2187: metadata, schematic symbol terminals, PCB footprint, 3D/footprint assets, and the official Adafruit product documentation.Sources reviewed
- Flux project: /silicon-yard/2187
- Official Adafruit product page: https://www.adafruit.com/product/2187
- Official Adafruit spec sheet / diagram: https://cdn-shop.adafruit.com/product-files/2187/CS25582-40G-M36-0A%20%281%29.jpg
Image
- Existing project Datasheet URL property:
https://cdn-shop.adafruit.com/product-files/2187/CS25582-40G-M36-0A+(1).jpg
Existing metadata found
Table
| Field | Current value / finding | Check |
|---|---|---|
| Manufacturer Part Number | 2187 | Matches Adafruit product ID / SKU, but not necessarily the underlying connector manufacturer's drawing number. |
| Manufacturer Name | Adafruit | Matches product-page seller/brand. |
| Part Type | Connectors | Reasonable for this part. |
| Mount | Surface Mount | Matches official description: SMT GPIO header. |
| Designator Prefix | J | Appropriate for connector. |
| Datasheet URL | Already set | No update needed per request condition. |
| Machine Datasheet URL | Not found | Optional, but not populated. |
| Package / Case | Not found as root metadata | Could be improved with a connector package description. |
| Terminal count | 40 terminals in schematic; 40 electrical SMD pads in footprint | Matches 2×20 header. |
| Project description | “Adafruit Accessories SMT GPIO Header for Raspberry Pi HAT - 2x20 Short Female Header” | Matches product-page title. |
Key datasheet / product specs
Table
| Spec | Value |
|---|---|
| Product | SMT GPIO Header for Raspberry Pi HAT - 2x20 Short Female Header |
| Adafruit product ID | 2187 |
| Drawing / spec identifier | CS25582-40G-M36-0A / CS25582 family |
| Connector style | 2.54 mm pitch PCB socket header, SMT type |
| Positions | 2×20, 40 total |
| Current rating | 3.0 A |
| Voltage rating | 250 V AC/DC |
| Operating temperature | -40 °C to +105 °C |
| Contact resistance | 20 mΩ max |
| Insulation resistance | 1000 MΩ min |
| Withstanding voltage | 500 V AC/minute |
| Insulator | Nylon 6T, UL94V-0, black |
| Contact material | Phosphor bronze |
| Pitch | 2.54 mm |
| Contact-row/body drawing dimensions visible in OCR | 5.08 mm, 7.6 ±0.4 mm, 3.8 ±0.30 mm, 3.55 mm |
| Recommended layout values visible in OCR | 2.54 ±0.05 mm pitch, 1.02 mm, Ø1.20 mm, 0.8 mm, 1.2 mm |
Schematic symbol cross-check
Table
| Item | Current project | Datasheet / expected | Result |
|---|---|---|---|
| Pin count | Terminals numbered 1–40 | 2×20 = 40 positions | Pass |
| Numbering coverage | Continuous 1 through 40 | 40-position connector | Pass |
| Electrical function labels | None; terminal pin shown as undefined, Pin Type = Unspecified | Datasheet is generic connector drawing and does not assign Raspberry Pi GPIO functions | Acceptable for generic connector; weak for Raspberry Pi HAT usability |
| Pin descriptions | Missing | Could use generic “Position n” or Raspberry Pi 40-pin header functions if intended as HAT connector | Improvement recommended |
| Pin types | Unspecified | Passive connector pins | Improvement recommended: mark as passive/connector-style if supported |
| Symbol organization | Odd pins on one side, even pins on the other, ordered 1–40 | Consistent with 2-row header convention | Pass |
Footprint cross-check
Table
| Item | Current footprint | Datasheet / expected | Result |
|---|---|---|---|
| Electrical SMD pad count | 40 pads numbered 1–40 | 40 connector positions | Pass |
| Pad X pitch | 2.54 mm | 2.54 mm | Pass |
| Row count | 2 rows | 2 rows | Pass |
| X span, pad 1 to pad 39 / pad 2 to pad 40 | ±24.13 mm, total 48.26 mm | 2.54 × (20 − 1) = 48.26 mm | Pass |
| SMD pad size | 1.020 × 2.100 mm | OCR confirms 1.02 mm; full pad length not fully proven by OCR | Likely pass; verify against drawing image if manufacturing-critical |
| Pad row Y locations | ±3.10 mm, total 6.20 mm row-to-row | OCR includes 5.08, 7.6 ±0.4, 3.8 ±0.30; row land spacing not unambiguously extracted | Needs manual drawing confirmation |
| Mounting holes / pegs | Pads 41/42 as NPTH circular holes at x = ±22.86 mm, y = 0, Ø1.2 mm | OCR shows Ø1.20 mm and formula related to 2.54 × (contacts/2 − 2) = 45.72 mm span, i.e. ±22.86 mm | Pass if these remain true NPTH/mechanical holes |
| Fab outline | 50.8 × 5.08 mm | Matches 2.54 × 20 body-length convention and visible 5.08 mm drawing value | Plausible/pass |
| Courtyard | 52.8 × 10.3 mm | Not directly verified from datasheet | Reasonable, not datasheet-proven |
| 3D model | 2187.stp present | Product has physical part; no dimensional readback performed | Present, alignment not fully verified |
Mismatches / risks flagged
- MPN metadata may be a SKU rather than the underlying connector MPN. The project uses
2187, which is Adafruit’s product ID. The official spec sheet/drawing is labeledCS25582-40G-M36-0A/ CS25582 family. If BOM procurement expects the actual connector manufacturer's part number, add it as an alternate or substitute MPN while keeping Adafruit 2187 as the vendor SKU. - Datasheet URL was already set. No mutation was required by the user’s condition. The URL in the project uses
+encoding for spaces; the canonical Adafruit link uses%20%281%29. Datasheet extraction worked, so the current URL appears usable. - Symbol lacks helpful pin descriptions. This is electrically acceptable for a generic passive connector, but because the product is for Raspberry Pi HATs, users would benefit from Raspberry Pi 40-pin header function labels.
- Pin Type is
Unspecifiedfor all terminals. For ERC quality, a passive/connector pin type would be preferable if Flux supports it for terminals. - Footprint row spacing / pad length should be manually confirmed from the image drawing before production. The 2.54 mm X pitch, 40 pads, and Ø1.2 mm NPTH holes look correct; however, OCR did not unambiguously prove the ±3.10 mm pad-row offset or 2.10 mm pad length.
- Mechanical holes are represented as pads 41/42. They appear to be NPTH/mechanical features in the KiCad footprint. Ensure they do not become electrical terminals/nets in downstream export.
Conclusion
The part is broadly consistent with the official Adafruit 2187 / CS25582-40G-M36-0A documentation: 40 SMT connector pads, 2.54 mm pitch, correct 48.26 mm row span, and Ø1.2 mm mechanical holes are present. No critical electrical pin-count mismatch was found. The main recommended improvements are metadata cleanup, pin-description enhancement for Raspberry Pi HAT use, and manual confirmation of the SMT land-pattern row spacing/pad length from the drawing image before manufacturing release.
Scope
Sources reviewed
Existing metadata found
Key datasheet / product specs
Schematic symbol cross-check
Footprint cross-check
Mismatches / risks flagged
Conclusion
