component
RT0402BRE071K37L
Public Made by Adomby adom
YAGEO Chip Resistor - Surface Mount, 0402. KiCad symbol, footprint and 3D as used on Adom boards.
← Commit history
Publish 0.1.1
8 files changed
+240−39
README.md+11−2@@ -4,7 +4,7 @@ **YAGEO** · Chip Resistor - Surface Mount · 0402 -RT0402BRE071K37L from YAGEO, in a 0402. 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.**+RT0402BRE071K37L from YAGEO, in a 0402. Symbol, footprint and 3D model are the ones used on Adom board designs (KiCad official libraries). ## Pinout @@ -22,6 +22,15 @@ RT0402BRE071K37L from YAGEO, in a 0402. Symbol, footprint and 3D model are the o | Category | Resistors | | Pins | 2 | | LCSC | C705644 |+| Resistance | 1.37 kΩ (code 1K37, datasheet p.2) |+| Tolerance | ±0.1% (B) |+| TCR | ±50 ppm/°C (E) |+| Power rating | 1/16 W at 70 °C |+| Max. working voltage | 50 V |+| Operating temperature | -55 °C to +155 °C |+| Ordering code | RT0402BRE071K37L (paper/PE tape, 7-inch reel, 10,000 pcs) |+| DigiKey | 13-RT0402BRE071K37LTR-ND |+| Mouser | 603-RT0402BRE071K37L | | Distributor summary (LCSC listing, not datasheet) | -55℃~+155℃ 1.37kΩ 50V 62.5mW Thin Film Resistor ±0.1% ±50ppm/℃ 0402 Chip Resistor - Surface Mount ROHS | ## CAD@@ -34,7 +43,7 @@ RT0402BRE071K37L from YAGEO, in a 0402. Symbol, footprint and 3D model are the o ## Provenance -- **Datasheet:** [YAGEO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840) (sha256 `0a729d144519a702`, retrieved 2026-10-08, tier: lcsc)+- **Datasheet:** [YAGEO RT series (Thin Film Chip Resistors) datasheet](https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L) (Product specification V.17, February 12, 2026, sha256 `00a9148c29581222`, 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.
docs/rt0402bre071k37l-datasheet.pdf⋯ 1 unchanged line ⋯
package.json+14−17@@ -1,13 +1,12 @@ { "slug": "rt0402bre071k37l",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "tags": [ "component", "resistors", "rt0402bre071k37l",- "board-derived",- "staged-for-validation"+ "board-derived" ], "dependencies": {}, "hero": {@@ -27,8 +26,8 @@ "rt0402bre071k37l.lbr", "docs/hero.png", "docs/rt0402bre071k37l-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"+ "rt0402bre071k37l-hero.glb",+ "rt0402bre071k37l-hero.overlay.json" ], "component": { "mpn": "RT0402BRE071K37L",@@ -37,12 +36,12 @@ "pin_count": 2, "category": "Resistors", "subcategory": "Chip Resistor - Surface Mount",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840",+ "datasheet": "https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L", "parts": { "symbol": "rt0402bre071k37l.kicad_sym", "footprint": "rt0402bre071k37l.kicad_mod",- "model_3d": "rt0402bre071k37l-etched.glb",- "model_3d_plain": "rt0402bre071k37l.glb",+ "model_3d": "rt0402bre071k37l-hero.glb",+ "model_3d_plain": "rt0402bre071k37l-etched.glb", "model_3d_step": "rt0402bre071k37l-etched.step", "model_3d_step_plain": "rt0402bre071k37l.step", "lbr": "rt0402bre071k37l.lbr"@@ -82,10 +81,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840",- "pages": null,- "sha256": "0a729d144519a7021c82a0ef242b064e467c70d44afcf9eabd6c7ffdc4b673a3",- "source_tier": "lcsc"+ "url": "https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L",+ "pages": 10,+ "sha256": "00a9148c2958122200e8a93292e389392a795adcfe40562d6ca4f690d1e5d7d1",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "Product specification V.17, February 12, 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": "rt0402bre071k37l.step",@@ -139,4 +136,4 @@ ] }, "description": "YAGEO Chip Resistor - Surface Mount, 0402. KiCad symbol, footprint and 3D as used on Adom boards."-}+}
page.json+21−18@@ -4,14 +4,13 @@ "slug": "rt0402bre071k37l", "title": "RT0402BRE071K37L", "brief": "YAGEO Chip Resistor - Surface Mount, 0402. 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", "resistors", "rt0402bre071k37l",- "board-derived",- "staged-for-validation"+ "board-derived" ], "component": { "mpn": "RT0402BRE071K37L",@@ -20,12 +19,12 @@ "pin_count": 2, "category": "Resistors", "subcategory": "Chip Resistor - Surface Mount",- "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840",+ "datasheet": "https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L", "parts": { "symbol": "rt0402bre071k37l.kicad_sym", "footprint": "rt0402bre071k37l.kicad_mod",- "model_3d": "rt0402bre071k37l-etched.glb",- "model_3d_plain": "rt0402bre071k37l.glb",+ "model_3d": "rt0402bre071k37l-hero.glb",+ "model_3d_plain": "rt0402bre071k37l-etched.glb", "model_3d_step": "rt0402bre071k37l-etched.step", "model_3d_step_plain": "rt0402bre071k37l.step", "lbr": "rt0402bre071k37l.lbr"@@ -65,10 +64,12 @@ "at": "2026-10-08" }, "datasheet": {- "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840",- "pages": null,- "sha256": "0a729d144519a7021c82a0ef242b064e467c70d44afcf9eabd6c7ffdc4b673a3",- "source_tier": "lcsc"+ "url": "https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L",+ "pages": 10,+ "sha256": "00a9148c2958122200e8a93292e389392a795adcfe40562d6ca4f690d1e5d7d1",+ "source_tier": "mfr",+ "retrieved": "2026-10-27",+ "edition": "Product specification V.17, February 12, 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, 0.35 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb", "checked": "2026-10-08",@@ -105,11 +106,11 @@ "origin": "footprint origin", "seat": "z = 0 (PCB top surface)", "extents_mm": [- 1.0,+ 1, 0.5, 0.352 ],- "zmin_mm": -0.0,+ "zmin_mm": 0, "footprint_binding": "identity", "sha256": "c66ec317ef6153da0e94ad34b97100c161b585a3743c005a9d77ec68dbfcce4a", "checked": "2026-10-08",@@ -160,9 +161,11 @@ "rt0402bre071k37l.step", "rt0402bre071k37l.lbr", "docs/hero.png",- "docs/rt0402bre071k37l-datasheet.pdf"+ "docs/rt0402bre071k37l-datasheet.pdf",+ "rt0402bre071k37l-hero.glb",+ "rt0402bre071k37l-hero.overlay.json" ],- "visibility": {- "public": false- }+ "visibility": "public",+ "description": "YAGEO Chip Resistor - Surface Mount, 0402. KiCad symbol, footprint and 3D as used on Adom boards.",+ "org": "adom" }
rt0402bre071k37l-hero.glbadded⋯ 1 unchanged line ⋯
rt0402bre071k37l-hero.overlay.jsonadded+125@@ -0,0 +1,125 @@+{+ "spec": "adom-hero 1.4",+ "mpn": "RT0402BRE071K37L",+ "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": 1.56,+ "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": [+ -0.78,+ 0.78,+ -0.32,+ 0.32+ ],+ "seating_z_mm": -0.0+ },+ "sources": {+ "glb": "rt0402bre071k37l-etched.glb",+ "glb_sha256": "0556bc2217ff8fcb0cda4db99b0c470f37a3a461309866adcfaae106c9a58df6",+ "footprint": "rt0402bre071k37l.kicad_mod",+ "footprint_sha256": "692bdb1b34ac59f34f8807fc2e1f98c1fafe214045235a0fd17d249d8923dd12",+ "pins": "page.json component.pins",+ "pins_sha256": "114a2f6d17dae0feb1e7f6e7de8a3698948eb467ef9026e6713db11016efb2a4"+ },+ "generator": "adom-wiki 1.8.0 (component_hero)",+ "labels": [+ {+ "pad": "1",+ "text": "1",+ "x": -0.88,+ "y": 0.0,+ "align": "right",+ "vertical": false,+ "h": 0.378+ },+ {+ "pad": "2",+ "text": "2",+ "x": 0.88,+ "y": 0.0,+ "align": "left",+ "vertical": false,+ "h": 0.378+ }+ ],+ "pads": [+ {+ "number": "1",+ "shape": "roundrect",+ "center_mm": [+ -0.509999,+ 0.0+ ],+ "size_mm": [+ 0.54,+ 0.64+ ],+ "rot": 0.0+ },+ {+ "number": "2",+ "shape": "roundrect",+ "center_mm": [+ 0.509999,+ 0.0+ ],+ "size_mm": [+ 0.54,+ 0.64+ ],+ "rot": 0.0+ }+ ]+}
rt0402bre071k37l.lbr+1−1@@ -93,7 +93,7 @@ <technology name=""> <attribute name="MPN" value="RT0402BRE071K37L" constant="no"/> <attribute name="MANUFACTURER" value="YAGEO" constant="no"/>- <attribute name="DATASHEET" value="https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755630266029219840" constant="no"/>+ <attribute name="DATASHEET" value="https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L" constant="no"/> <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/rt0402bre071k37l" constant="no"/> <attribute name="MOUSER_PN" value="603-RT0402BRE071K37L" constant="no"/> <attribute name="DIGIKEY_PN" value="13-RT0402BRE071K37LTR-ND" constant="no"/>
verification.json+68−1@@ -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 +53,73 @@ "rt0402bre071k37l.kicad_mod": "692bdb1b34ac59f34f8807fc2e1f98c1fafe214045235a0fd17d249d8923dd12", "rt0402bre071k37l.step": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb" }+ },+ {+ "date": "2026-10-27",+ "by": {+ "name": "Claude, at Caleb Taylor's request",+ "handle": "claude"+ },+ "status": "verified",+ "title": "Validated against YAGEO's RT series datasheet (Product specification V.17, February 12, 2026)",+ "scope": [+ "symbol",+ "footprint",+ "3d",+ "pins"+ ],+ "variants": [+ "*"+ ],+ "checks": [+ {+ "text": "Datasheet: replaced the LCSC/JLCPCB copy of YAGEO RT V.16 (May 06, 2025) with YAGEO's current edition, Product specification V.17, February 12, 2026, downloaded 2026-10-27 from yageogroup.com (https://yageogroup.com/component-documentation/download/datasheet/RT0402BRE071K37L?lang=en, the part page's DataSheet link, which serves https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L). DigiKey's listing for this part links the same YAGEO URL",+ "result": "pass"+ },+ {+ "text": "Part number decoded with 'Ordering information - global part number' (p.2): RT series; 0402 size; B = ±0.1%; R = paper/PE taping reel; E = 50 ppm/°C; 07 = 7-inch reel; 1K37 = 1.37 kΩ (resistance rule table, p.2); L = default code. The YAGEO part-search API returns the same base part with datasheet group PYU-RT_1-TO-0-01_ROHS_L",+ "result": "pass"+ },+ {+ "text": "Ratings for RT0402 (Table 2, p.5): 1/16 W at 70 °C, max. working voltage 50 V, max. overload voltage 100 V, operating temperature -55 to +155 °C; the ±50 ppm/°C, ±0.1% range is 4.7 Ω to 500 kΩ, which covers 1.37 kΩ. Packing (Table 3, p.6): 10,000 pcs per 7-inch paper/PE reel",+ "result": "pass"+ },+ {+ "text": "Pins: unpolarized two-terminal part; pins 1 and 2 keep empty names, type passive and the library descriptions (the datasheet has no pin table; both terminations are identical, Fig. 5 p.4)",+ "result": "pass"+ },+ {+ "text": "Footprint vs Table 1 / Fig. 5 (p.4) for RT0402 (L 1.00±0.10, W 0.50±0.05, bottom termination I2 0.25±0.10, top I1 0.20±0.10 mm): pads 0.54 x 0.64 mm at x = ±0.51 mm (inner edges ±0.24, outer ±0.78 mm) cover both terminations; pad width 0.64 mm exceeds the maximum body width 0.55 mm; pins 1/2 on the long axis",+ "result": "pass"+ },+ {+ "text": "Land pattern: the RT datasheet gives none and refers to YAGEO's separate 'Chip resistors mounting' data sheet (p.6), which was not located on yageogroup.com; footprint kept as the KiCad R_0402_1005Metric land built on Adom boards",+ "result": "note"+ },+ {+ "text": "3D body 1.00 x 0.50 x 0.35 mm against RT0402 L 1.00±0.10, W 0.50±0.05, H 0.30±0.05 mm (Table 1, p.4): within tolerance, but the 0.35 mm height sits exactly on the upper limit (the KiCad R_0402 model is drawn at the thick-film 0.35 mm height); Z-up, seated on z = 0, centred on the pads",+ "result": "note"+ },+ {+ "text": "Distributors: DigiKey 13-RT0402BRE071K37LTR-ND and Mouser 603-RT0402BRE071K37L kept; both looked up by part number on 2026-10-27 and return YAGEO RT0402BRE071K37L (1.37 kΩ, ±0.1%, ±50 ppm/°C)",+ "result": "pass"+ },+ {+ "text": "component-page-verify: all checks pass",+ "result": "pass"+ }+ ],+ "evidence": [+ {+ "label": "datasheet (YAGEO)",+ "href": "https://yageogroup.com/content/datasheet/asset/file/PYU-RT_1-TO-0-01_ROHS_L"+ }+ ],+ "files": {+ "rt0402bre071k37l.kicad_sym": "2095ee8c0a92bbc9faac3a93956812b7ce778db4b40d78067390e1a87bfb10c1",+ "rt0402bre071k37l.kicad_mod": "692bdb1b34ac59f34f8807fc2e1f98c1fafe214045235a0fd17d249d8923dd12",+ "rt0402bre071k37l.step": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb"+ } } ] }