component
CL21A226MAQNNNE
Public Made by Adomby adom
Samsung Electro-Mechanics Ceramic Capacitors, 0805. KiCad symbol, footprint and 3D as used on Adom boards.
← Commit history
Publish 0.1.1
8 files changed
+240−45
README.md+11−4@@ -4,14 +4,14 @@ **Samsung Electro-Mechanics** · Ceramic Capacitors · 0805 -CL21A226MAQNNNE from Samsung Electro-Mechanics, in a 0805. Symbol, footprint and 3D model are the ones used on Adom board designs (KiCad official libraries). **Staged for validation: see the open items in the verification log above.**+CL21A226MAQNNNE from Samsung Electro-Mechanics, in a 0805. Symbol, footprint and 3D model are the ones used on Adom board designs (KiCad official libraries). ## Pinout | Pin | Name | Type | Function | |---|---|---|---|-| 1 | - | passive | Terminal 1; non-polarized two-terminal part. |-| 2 | - | passive | Terminal 2; non-polarized two-terminal part. |+| 1 | - | passive | Terminal 1; non-polarized two-terminal part. [datasheet p.1] |+| 2 | - | passive | Terminal 2; non-polarized two-terminal part. [datasheet p.1] | ## Key specifications @@ -22,6 +22,13 @@ CL21A226MAQNNNE from Samsung Electro-Mechanics, in a 0805. Symbol, footprint and | Category | Capacitors | | Pins | 2 | | LCSC | C45783 |+| Mouser | 187-CL21A226MAQNNNE |+| DigiKey | 1276-2908-2-ND |+| Size (L x W x T) | 2.00+/-0.15 x 1.25+/-0.15 x 1.25+/-0.15 mm, band width 0.50 +0.20/-0.30 mm |+| Dielectric | X5R (-55 to +85 C, +/-15%) |+| Rated voltage | 25 V |+| Tolerance | +/-20% |+| Capacitance | 22 uF | | Distributor summary (LCSC listing, not datasheet) | 22uF 25V X5R ±20% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS | ## CAD@@ -34,7 +41,7 @@ CL21A226MAQNNNE from Samsung Electro-Mechanics, in a 0805. Symbol, footprint and ## Provenance -- **Datasheet:** [Samsung Electro-Mechanics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144) (sha256 `96baebe4bd0ce363`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet:** [Samsung Electro-Mechanics CL21A226MAQNNN specification sheet](https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet) (Specification (Reference Sheet) CL21A226MAQNNNE, issued MAY.09.2024, sha256 `5cdb985c64fd8b79`, retrieved 2026-10-27, tier: mfr) - **CAD:** KiCad official libraries (CC-BY-SA 4.0); footprint and symbol as used on Adom boards. - **Pins:** KiCad symbol from the source board.
cl21a226maqnnne-hero.glbadded⋯ 1 unchanged line ⋯
cl21a226maqnnne-hero.overlay.jsonadded+125@@ -0,0 +1,125 @@+{+ "spec": "adom-hero 1.4",+ "mpn": "CL21A226MAQNNNE",+ "kind": "component + footprint reference art",+ "board_use": false,+ "plane_z_mm": -0.02,+ "units": "metre",+ "upAxis": "Z",+ "layers": {+ "pad_outlines": {+ "material": "Footprint pads - teal dashed outlines - 50 percent opacity",+ "rgba": [+ 0.0,+ 0.902,+ 0.863,+ 0.5+ ],+ "pads": 2,+ "span_mm": 2.9,+ "dash_mm": 0.12,+ "gap_mm": 0.072,+ "pad_stroke_mm": 0.03+ },+ "silkscreen": {+ "material": "Silkscreen reference lines - 30 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.3+ ],+ "footprint_items": 2,+ "pin1": null+ },+ "signal_names": {+ "material": "Signal names - 50 percent opacity",+ "rgba": [+ 0.92,+ 0.96,+ 1.0,+ 0.5+ ],+ "font": "DejaVu Sans Mono",+ "labels": 2,+ "sides": "top + mirrored underside (single-sided)",+ "fallback_to_pad_number": 2+ }+ },+ "align": {+ "ok": true,+ "centre_offset_mm": 0.0,+ "tolerance_mm": 0.25,+ "orientation_flipped": false,+ "contacts_bbox_mm": [+ -1.0,+ 1.0,+ -0.625,+ 0.625+ ],+ "pads_bbox_mm": [+ -1.45,+ 1.45,+ -0.725,+ 0.725+ ],+ "seating_z_mm": 0.0+ },+ "sources": {+ "glb": "cl21a226maqnnne-etched.glb",+ "glb_sha256": "ceac3d5bff6b00a83c303018c9e517ab35e77e1336917e2fb0b43d9bdcb62e07",+ "footprint": "cl21a226maqnnne.kicad_mod",+ "footprint_sha256": "4612086ebd9176192bfe16691841def8c674de9574451c935954bbfc6331f889",+ "pins": "page.json component.pins",+ "pins_sha256": "114a2f6d17dae0feb1e7f6e7de8a3698948eb467ef9026e6713db11016efb2a4"+ },+ "generator": "adom-wiki 1.8.0 (component_hero)",+ "labels": [+ {+ "pad": "1",+ "text": "1",+ "x": -1.6,+ "y": 0.0,+ "align": "right",+ "vertical": false,+ "h": 0.6+ },+ {+ "pad": "2",+ "text": "2",+ "x": 1.6,+ "y": 0.0,+ "align": "left",+ "vertical": false,+ "h": 0.6+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -0.949999,+ 0.0+ ],+ "size_mm": [+ 1.0,+ 1.45+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ 0.949999,+ 0.0+ ],+ "size_mm": [+ 1.0,+ 1.45+ ],+ "rot": 0.0+ }+ ]+}
cl21a226maqnnne.lbr+1−1@@ -97,7 +97,7 @@ <technology name=""> <attribute name="MPN" value="CL21A226MAQNNNE" constant="no"/> <attribute name="MANUFACTURER" value="Samsung Electro-Mechanics" constant="no"/>- <attribute name="DATASHEET" value="https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144" constant="no"/>+ <attribute name="DATASHEET" value="https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet" constant="no"/> <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/cl21a226maqnnne" constant="no"/> <attribute name="MOUSER_PN" value="187-CL21A226MAQNNNE" constant="no"/> <attribute name="DIGIKEY_PN" value="1276-2908-2-ND" constant="no"/>
docs/cl21a226maqnnne-datasheet.pdf⋯ 1 unchanged line ⋯
package.json+16−19@@ -1,13 +1,12 @@ { "slug": "cl21a226maqnnne",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "tags": [ "component", "capacitors", "cl21a226maqnnne",- "board-derived",- "staged-for-validation"+ "board-derived" ], "dependencies": {}, "hero": {@@ -27,8 +26,8 @@ "cl21a226maqnnne.lbr", "docs/hero.png", "docs/cl21a226maqnnne-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"+ "cl21a226maqnnne-hero.glb",+ "cl21a226maqnnne-hero.overlay.json" ], "component": { "mpn": "CL21A226MAQNNNE",@@ -37,12 +36,12 @@ "pin_count": 2, "category": "Capacitors", "subcategory": "Ceramic Capacitors",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144",+ "datasheet": "https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet", "parts": { "symbol": "cl21a226maqnnne.kicad_sym", "footprint": "cl21a226maqnnne.kicad_mod",- "model_3d": "cl21a226maqnnne-etched.glb",- "model_3d_plain": "cl21a226maqnnne.glb",+ "model_3d": "cl21a226maqnnne-hero.glb",+ "model_3d_plain": "cl21a226maqnnne-etched.glb", "model_3d_step": "cl21a226maqnnne-etched.step", "model_3d_step_plain": "cl21a226maqnnne.step", "lbr": "cl21a226maqnnne.lbr"@@ -66,13 +65,13 @@ "number": "1", "name": "", "type": "passive",- "description": "Terminal 1; non-polarized two-terminal part."+ "description": "Terminal 1; non-polarized two-terminal part. [datasheet p.1]" }, { "number": "2", "name": "", "type": "passive",- "description": "Terminal 2; non-polarized two-terminal part."+ "description": "Terminal 2; non-polarized two-terminal part. [datasheet p.1]" } ], "provenance": {@@ -82,10 +81,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144",- "pages": null,- "sha256": "96baebe4bd0ce363e87be28b5b003f511f1502e084a6fc4f02333ded56c808f6",- "source_tier": "lcsc"+ "url": "https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet",+ "pages": 39,+ "sha256": "5cdb985c64fd8b79f6c54cb77bd282ba189586d533ad8c3c82c96c435bece6ba",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "Specification (Reference Sheet) CL21A226MAQNNNE, issued MAY.09.2024" }, "cad": "KiCad official libraries (CC-BY-SA 4.0); footprint and symbol as used on Adom boards", "pins": {@@ -95,10 +96,6 @@ "refuses_to_fabricate": true } },- "viewers": {- "symbol": "viewers/symbol.html",- "footprint": "viewers/footprint.html"- }, "models_3d": [ { "file": "cl21a226maqnnne.step",@@ -139,4 +136,4 @@ ] }, "description": "Samsung Electro-Mechanics Ceramic Capacitors, 0805. KiCad symbol, footprint and 3D as used on Adom boards."-}+}
page.json+23−20@@ -4,14 +4,13 @@ "slug": "cl21a226maqnnne", "title": "CL21A226MAQNNNE", "brief": "Samsung Electro-Mechanics Ceramic Capacitors, 0805. KiCad symbol, footprint and 3D as used on Adom boards.",- "version": "0.1.0",+ "version": "0.1.1", "license": "CC-BY-SA-4.0", "tags": [ "component", "capacitors", "cl21a226maqnnne",- "board-derived",- "staged-for-validation"+ "board-derived" ], "component": { "mpn": "CL21A226MAQNNNE",@@ -20,12 +19,12 @@ "pin_count": 2, "category": "Capacitors", "subcategory": "Ceramic Capacitors",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144",+ "datasheet": "https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet", "parts": { "symbol": "cl21a226maqnnne.kicad_sym", "footprint": "cl21a226maqnnne.kicad_mod",- "model_3d": "cl21a226maqnnne-etched.glb",- "model_3d_plain": "cl21a226maqnnne.glb",+ "model_3d": "cl21a226maqnnne-hero.glb",+ "model_3d_plain": "cl21a226maqnnne-etched.glb", "model_3d_step": "cl21a226maqnnne-etched.step", "model_3d_step_plain": "cl21a226maqnnne.step", "lbr": "cl21a226maqnnne.lbr"@@ -49,13 +48,13 @@ "number": "1", "name": "", "type": "passive",- "description": "Terminal 1; non-polarized two-terminal part."+ "description": "Terminal 1; non-polarized two-terminal part. [datasheet p.1]" }, { "number": "2", "name": "", "type": "passive",- "description": "Terminal 2; non-polarized two-terminal part."+ "description": "Terminal 2; non-polarized two-terminal part. [datasheet p.1]" } ], "provenance": {@@ -65,10 +64,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8579706866429190144",- "pages": null,- "sha256": "96baebe4bd0ce363e87be28b5b003f511f1502e084a6fc4f02333ded56c808f6",- "source_tier": "lcsc"+ "url": "https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet",+ "pages": 39,+ "sha256": "5cdb985c64fd8b79f6c54cb77bd282ba189586d533ad8c3c82c96c435bece6ba",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "Specification (Reference Sheet) CL21A226MAQNNNE, issued MAY.09.2024" }, "cad": "KiCad official libraries (CC-BY-SA 4.0); footprint and symbol as used on Adom boards", "pins": {@@ -87,11 +88,11 @@ "origin": "footprint origin", "seat": "z = 0 (PCB top surface)", "extents_mm": [- 2.0,+ 2, 1.25, 1.25 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "9a669c1a2f1ea25b88b401acef6efeaa80a067bd7da9db6993de719a7fbe155c", "checked": "2026-10-08",@@ -105,11 +106,11 @@ "origin": "footprint origin", "seat": "z = 0 (PCB top surface)", "extents_mm": [- 2.0,+ 2, 1.25, 1.252 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "199e41126b2bc9c0d2fdb9b719bb5ed637b1b77d54fb2e05e841a171988de660", "checked": "2026-10-08",@@ -160,9 +161,11 @@ "cl21a226maqnnne.step", "cl21a226maqnnne.lbr", "docs/hero.png",- "docs/cl21a226maqnnne-datasheet.pdf"+ "docs/cl21a226maqnnne-datasheet.pdf",+ "cl21a226maqnnne-hero.glb",+ "cl21a226maqnnne-hero.overlay.json" ],- "visibility": {- "public": false- }+ "visibility": "public",+ "description": "Samsung Electro-Mechanics Ceramic Capacitors, 0805. KiCad symbol, footprint and 3D as used on Adom boards.",+ "org": "adom" }
verification.json+64−1@@ -9,7 +9,7 @@ "name": "Claude (AI build)", "handle": "claude" },- "status": "open",+ "status": "superseded", "title": "Automated build checks (awaiting human validation)", "scope": [ "symbol",@@ -53,6 +53,69 @@ "cl21a226maqnnne.kicad_mod": "4612086ebd9176192bfe16691841def8c674de9574451c935954bbfc6331f889", "cl21a226maqnnne.step": "9a669c1a2f1ea25b88b401acef6efeaa80a067bd7da9db6993de719a7fbe155c" }+ },+ {+ "date": "2026-10-27",+ "by": {+ "name": "Claude, at Caleb Taylor's request",+ "handle": "claude"+ },+ "status": "verified",+ "title": "Validated against Samsung Electro-Mechanics specification sheet for CL21A226MAQNNNE (issued MAY.09.2024)",+ "scope": [+ "symbol",+ "footprint",+ "3d",+ "pins"+ ],+ "variants": [+ "*"+ ],+ "checks": [+ {+ "text": "Datasheet: Samsung Electro-Mechanics Specification (Reference Sheet) for CL21A226MAQNNNE, issued MAY.09.2024, downloaded 2026-10-27 from the product page Specsheet link (https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet); replaces the JLCPCB/LCSC copy",+ "result": "pass"+ },+ {+ "text": "Electrical values agree with the datasheet (p.1, p.2): 22 uF, +/-20%, 25 V, X5R (-55 to +85 C, +/-15%); the README distributor summary row says the same",+ "result": "pass"+ },+ {+ "text": "Pins: two-terminal non-polarized MLCC, pins 1/2 passive with empty names by library convention; symbol, footprint and .lbr agree",+ "result": "pass"+ },+ {+ "text": "Pin descriptions use the library wording and cite the dimension drawing (p.1)",+ "result": "pass"+ },+ {+ "text": "Footprint (KiCad 0805): pads at +/-0.95 mm, 1.0 x 1.45 mm, gap 0.9, outer span 2.9. Samsung reflow footprint, MLCC Product Manual 5-4, 2012 (+/-0.15): a 0.81-0.91, b 0.90-1.00, c 1.30-1.40 (a gap, b land length, c land width): gap and land length inside the range, land width 1.45 is 0.05 over (p.34). Pads cover both terminations (band width per p.1); small differences only, KiCad library land kept",+ "result": "note"+ },+ {+ "text": "3D body: plain STEP 2.0 x 1.25 x 1.25 mm against L 2.0+/-0.15, W 1.25+/-0.15, T 1.25+/-0.15 (p.1): all three at nominal; Z-up, seated on z = 0, centred on the pads",+ "result": "pass"+ },+ {+ "text": "Distributor numbers kept: DigiKey 1276-2908-2-ND, Mouser 187-CL21A226MAQNNNE; both existing product links name Samsung Electro-Mechanics and this exact MPN",+ "result": "pass"+ },+ {+ "text": "component-page-verify: all checks pass",+ "result": "pass"+ }+ ],+ "evidence": [+ {+ "label": "datasheet (Samsung Electro-Mechanics)",+ "href": "https://product.samsungsem.com/part/download.do?masterKey=CL21A226MAQNNN&type=specsheet"+ }+ ],+ "files": {+ "cl21a226maqnnne.kicad_sym": "be70d962e4e4d7c92416170dcc52b40757a300c14e308f4f97799f7a72ab165f",+ "cl21a226maqnnne.kicad_mod": "4612086ebd9176192bfe16691841def8c674de9574451c935954bbfc6331f889",+ "cl21a226maqnnne.step": "9a669c1a2f1ea25b88b401acef6efeaa80a067bd7da9db6993de719a7fbe155c"+ } } ] }