component
GRM155R71E473JA88D
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Murata Ceramic Capacitors, 0402. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.
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README.md+12−4@@ -4,14 +4,14 @@ **Murata** · Ceramic Capacitors · 0402 -GRM155R71E473JA88D from Murata, in a 0402. Symbol, footprint and 3D model are the ones used on Adom board designs (KiCad official libraries). Pin functions are extracted from the manufacturer datasheet with page references. **Staged for validation: see the open items in the verification log above.**+GRM155R71E473JA88D from Murata, in a 0402. Symbol, footprint and 3D model are the ones used on Adom board designs (KiCad official libraries). Pin functions are extracted from the manufacturer datasheet with page references. ## Pinout | Pin | Name | Type | Function | |---|---|---|---|-| 1 | - | passive | Terminal 1 of the MLCC. Non-polarized ceramic capacitor terminal; either end may serve as the high or low side. Connects to one plate of the multilayer electrode stack. [datasheet p.1] |-| 2 | - | passive | Terminal 2 of the MLCC. Non-polarized ceramic capacitor terminal; interchangeable with terminal 1. Connects to the opposite plate of the multilayer electrode stack. [datasheet p.1] |+| 1 | - | passive | Terminal 1; non-polarized two-terminal part. [datasheet p.2] |+| 2 | - | passive | Terminal 2; non-polarized two-terminal part. [datasheet p.2] | ## Key specifications @@ -22,6 +22,14 @@ GRM155R71E473JA88D from Murata, in a 0402. Symbol, footprint and 3D model are th | Category | Capacitors | | Pins | 2 | | LCSC | C437528 |+| Mouser | 81-GRM155R71E473JA8D |+| DigiKey | 490-7762-2-ND |+| Size (L x W x T) | 1.0+/-0.05 x 0.5+/-0.05 x 0.5+/-0.05 mm, e 0.15 to 0.35, g 0.3 min. |+| Package code | D (180 mm reel, paper tape W8P2, 10000 pcs) |+| Dielectric | X7R (+/-15%, -55 to +125 C) |+| Rated voltage | 25 V DC |+| Tolerance | +/-5% |+| Capacitance | 47000 pF (47 nF) | | Distributor summary (LCSC listing, not datasheet) | 25V 47nF X7R ±5% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS | ## CAD@@ -34,7 +42,7 @@ GRM155R71E473JA88D from Murata, in a 0402. Symbol, footprint and 3D model are th ## Provenance -- **Datasheet:** [Murata datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512) (sha256 `08e64efce63e225a`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet:** [Murata GRM155R71E473JA88 specification sheet](https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533) (GRM155R71E473JA88-01A reference sheet, specifications as of Jun.17,2026, sha256 `dcdf4a867c496f5b`, 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 + adom-ds2sf datasheet extraction (claude-opus-4-7).
docs/grm155r71e473ja88d-datasheet.pdf⋯ 1 unchanged line ⋯
grm155r71e473ja88d-hero.glbadded⋯ 1 unchanged line ⋯
grm155r71e473ja88d-hero.overlay.jsonadded+125@@ -0,0 +1,125 @@+{+ "spec": "adom-hero 1.4",+ "mpn": "GRM155R71E473JA88D",+ "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": 1.52,+ "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": [+ -0.5,+ 0.5,+ -0.25,+ 0.25+ ],+ "pads_bbox_mm": [+ -0.76,+ 0.76,+ -0.31,+ 0.31+ ],+ "seating_z_mm": -0.0+ },+ "sources": {+ "glb": "grm155r71e473ja88d-etched.glb",+ "glb_sha256": "1090963f21d4709998adbec94b1a20162ae801a05138412565d6b129ee177891",+ "footprint": "grm155r71e473ja88d.kicad_mod",+ "footprint_sha256": "447438e9e32e31fe752cb0ab011a858c1ca7c26417a4bd067f42a50d58467900",+ "pins": "page.json component.pins",+ "pins_sha256": "114a2f6d17dae0feb1e7f6e7de8a3698948eb467ef9026e6713db11016efb2a4"+ },+ "generator": "adom-wiki 1.8.0 (component_hero)",+ "labels": [+ {+ "pad": "1",+ "text": "1",+ "x": -0.86,+ "y": 0.0,+ "align": "right",+ "vertical": false,+ "h": 0.392+ },+ {+ "pad": "2",+ "text": "2",+ "x": 0.86,+ "y": 0.0,+ "align": "left",+ "vertical": false,+ "h": 0.392+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -0.48,+ 0.0+ ],+ "size_mm": [+ 0.56,+ 0.62+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ 0.48,+ 0.0+ ],+ "size_mm": [+ 0.56,+ 0.62+ ],+ "rot": 0.0+ }+ ]+}
grm155r71e473ja88d.lbr+1−1@@ -97,7 +97,7 @@ <technology name=""> <attribute name="MPN" value="GRM155R71E473JA88D" constant="no"/> <attribute name="MANUFACTURER" value="Murata" constant="no"/>- <attribute name="DATASHEET" value="https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512" constant="no"/>+ <attribute name="DATASHEET" value="https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533" constant="no"/> <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/grm155r71e473ja88d" constant="no"/> <attribute name="MOUSER_PN" value="81-GRM155R71E473JA8D" constant="no"/> <attribute name="DIGIKEY_PN" value="490-7762-2-ND" constant="no"/>
package.json+16−19@@ -1,13 +1,12 @@ { "slug": "grm155r71e473ja88d",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "tags": [ "component", "capacitors", "grm155r71e473ja88d",- "board-derived",- "staged-for-validation"+ "board-derived" ], "dependencies": {}, "hero": {@@ -27,8 +26,8 @@ "grm155r71e473ja88d.lbr", "docs/hero.png", "docs/grm155r71e473ja88d-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"+ "grm155r71e473ja88d-hero.glb",+ "grm155r71e473ja88d-hero.overlay.json" ], "component": { "mpn": "GRM155R71E473JA88D",@@ -37,12 +36,12 @@ "pin_count": 2, "category": "Capacitors", "subcategory": "Ceramic Capacitors",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512",+ "datasheet": "https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533", "parts": { "symbol": "grm155r71e473ja88d.kicad_sym", "footprint": "grm155r71e473ja88d.kicad_mod",- "model_3d": "grm155r71e473ja88d-etched.glb",- "model_3d_plain": "grm155r71e473ja88d.glb",+ "model_3d": "grm155r71e473ja88d-hero.glb",+ "model_3d_plain": "grm155r71e473ja88d-etched.glb", "model_3d_step": "grm155r71e473ja88d-etched.step", "model_3d_step_plain": "grm155r71e473ja88d.step", "lbr": "grm155r71e473ja88d.lbr"@@ -66,13 +65,13 @@ "number": "1", "name": "", "type": "passive",- "description": "Terminal 1 of the MLCC. Non-polarized ceramic capacitor terminal; either end may serve as the high or low side. Connects to one plate of the multilayer electrode stack. [datasheet p.1]"+ "description": "Terminal 1; non-polarized two-terminal part. [datasheet p.2]" }, { "number": "2", "name": "", "type": "passive",- "description": "Terminal 2 of the MLCC. Non-polarized ceramic capacitor terminal; interchangeable with terminal 1. Connects to the opposite plate of the multilayer electrode stack. [datasheet p.1]"+ "description": "Terminal 2; non-polarized two-terminal part. [datasheet p.2]" } ], "provenance": {@@ -82,10 +81,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512",- "pages": 96,- "sha256": "08e64efce63e225a492d830bd9c345980cca8d6fd458d3f0e57fe1d2e017a201",- "source_tier": "lcsc"+ "url": "https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533",+ "pages": 33,+ "sha256": "dcdf4a867c496f5bc881fac9cb5e758f400cdb4beab3a9b80d1dbaacab393919",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "GRM155R71E473JA88-01A reference sheet, specifications as of Jun.17,2026" }, "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": "grm155r71e473ja88d.step",@@ -139,4 +136,4 @@ ] }, "description": "Murata Ceramic Capacitors, 0402. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet."-}+}
page.json+23−20@@ -4,14 +4,13 @@ "slug": "grm155r71e473ja88d", "title": "GRM155R71E473JA88D", "brief": "Murata Ceramic Capacitors, 0402. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.",- "version": "0.1.0",+ "version": "0.1.1", "license": "CC-BY-SA-4.0", "tags": [ "component", "capacitors", "grm155r71e473ja88d",- "board-derived",- "staged-for-validation"+ "board-derived" ], "component": { "mpn": "GRM155R71E473JA88D",@@ -20,12 +19,12 @@ "pin_count": 2, "category": "Capacitors", "subcategory": "Ceramic Capacitors",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512",+ "datasheet": "https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533", "parts": { "symbol": "grm155r71e473ja88d.kicad_sym", "footprint": "grm155r71e473ja88d.kicad_mod",- "model_3d": "grm155r71e473ja88d-etched.glb",- "model_3d_plain": "grm155r71e473ja88d.glb",+ "model_3d": "grm155r71e473ja88d-hero.glb",+ "model_3d_plain": "grm155r71e473ja88d-etched.glb", "model_3d_step": "grm155r71e473ja88d-etched.step", "model_3d_step_plain": "grm155r71e473ja88d.step", "lbr": "grm155r71e473ja88d.lbr"@@ -49,13 +48,13 @@ "number": "1", "name": "", "type": "passive",- "description": "Terminal 1 of the MLCC. Non-polarized ceramic capacitor terminal; either end may serve as the high or low side. Connects to one plate of the multilayer electrode stack. [datasheet p.1]"+ "description": "Terminal 1; non-polarized two-terminal part. [datasheet p.2]" }, { "number": "2", "name": "", "type": "passive",- "description": "Terminal 2 of the MLCC. Non-polarized ceramic capacitor terminal; interchangeable with terminal 1. Connects to the opposite plate of the multilayer electrode stack. [datasheet p.1]"+ "description": "Terminal 2; non-polarized two-terminal part. [datasheet p.2]" } ], "provenance": {@@ -65,10 +64,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588935553521344512",- "pages": 96,- "sha256": "08e64efce63e225a492d830bd9c345980cca8d6fd458d3f0e57fe1d2e017a201",- "source_tier": "lcsc"+ "url": "https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533",+ "pages": 33,+ "sha256": "dcdf4a867c496f5bc881fac9cb5e758f400cdb4beab3a9b80d1dbaacab393919",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "GRM155R71E473JA88-01A reference sheet, specifications as of Jun.17,2026" }, "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": [- 1.0,+ 1, 0.5, 0.5 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2", "checked": "2026-10-08",@@ -105,11 +106,11 @@ "origin": "footprint origin", "seat": "z = 0 (PCB top surface)", "extents_mm": [- 1.0,+ 1, 0.5, 0.502 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "39102a40b78d56e7f7809e7eef17cc6544ab26930680e744bf056e79aa7c021e", "checked": "2026-10-08",@@ -160,9 +161,11 @@ "grm155r71e473ja88d.step", "grm155r71e473ja88d.lbr", "docs/hero.png",- "docs/grm155r71e473ja88d-datasheet.pdf"+ "docs/grm155r71e473ja88d-datasheet.pdf",+ "grm155r71e473ja88d-hero.glb",+ "grm155r71e473ja88d-hero.overlay.json" ],- "visibility": {- "public": false- }+ "visibility": "public",+ "description": "Murata Ceramic Capacitors, 0402. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.",+ "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 @@ "grm155r71e473ja88d.kicad_mod": "447438e9e32e31fe752cb0ab011a858c1ca7c26417a4bd067f42a50d58467900", "grm155r71e473ja88d.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2" }+ },+ {+ "date": "2026-10-27",+ "by": {+ "name": "Claude, at Caleb Taylor's request",+ "handle": "claude"+ },+ "status": "verified",+ "title": "Validated against Murata GRM155R71E473JA88-01A spec sheet (as of Jun.17,2026)",+ "scope": [+ "symbol",+ "footprint",+ "3d",+ "pins"+ ],+ "variants": [+ "*"+ ],+ "checks": [+ {+ "text": "Datasheet: Murata GRM155R71E473JA88-01A reference sheet, specifications as of Jun.17,2026, downloaded 2026-10-27 from the part's spec-sheet link in Murata's product database (pim.murata.com, production status \"available\"): https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533; replaces the JLCPCB/LCSC copy",+ "result": "pass"+ },+ {+ "text": "Electrical values agree with the datasheet (p.2): 47000 pF (47 nF), +/-5%, 25 V DC, X7R (+/-15%, -55 to +125 C); 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.2)",+ "result": "pass"+ },+ {+ "text": "Footprint (KiCad 0402): pads at +/-0.48 mm, 0.56 x 0.62 mm, gap 0.4, outer span 1.52. Murata reflow land, Table 2, GRM15 1.0x0.5 (within +/-0.10): a 0.3-0.5, b 0.35-0.45, c 0.4-0.6 (a gap, b land length, c land width): gap inside the range, land 0.56 long (0.11 over) and 0.62 wide (0.02 over) (p.27). Pads cover both terminations (e per p.2); small differences only, KiCad library land kept",+ "result": "note"+ },+ {+ "text": "3D body: plain STEP 1.0 x 0.5 x 0.5 mm against L 1.0+/-0.05, W 0.5+/-0.05, T 0.5+/-0.05 (p.2): all three at nominal; Z-up, seated on z = 0, centred on the pads",+ "result": "pass"+ },+ {+ "text": "Distributor numbers kept: DigiKey 490-7762-2-ND, Mouser 81-GRM155R71E473JA8D; both existing product links name Murata and this exact MPN",+ "result": "pass"+ },+ {+ "text": "component-page-verify: all checks pass",+ "result": "pass"+ }+ ],+ "evidence": [+ {+ "label": "datasheet (Murata)",+ "href": "https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM155R71E473JA88-01A-EN_PDF_CERAMICCAPACITORSMD?lastModifiedDatetime=20260730155533"+ }+ ],+ "files": {+ "grm155r71e473ja88d.kicad_sym": "7735849e423fba6373fbb6ac420203e6714105413049be65ac253f0167ad8f6d",+ "grm155r71e473ja88d.kicad_mod": "447438e9e32e31fe752cb0ab011a858c1ca7c26417a4bd067f42a50d58467900",+ "grm155r71e473ja88d.step": "03e44c4b2b727b8d4b6b1fd598cbd12dd5e614f1dfeefa96a92a07e3a3b312a2"+ } } ] }