LR122WF500MT4E

@@ -0,0 +1,49 @@+# LR122WF500MT4E++**UNI ROYAL Uniroyal Elec** · Current Sense Resistors / Shunt Resistors · 2512++LR122WF500MT4E from UNI ROYAL Uniroyal Elec, in a 2512. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | 1 | passive | Resistor terminal 1 (end electrode A/B, L=6.35±0.254 mm body); non-polarized and interchangeable with terminal 2, 2W rating at 70℃ with max rating current 44.72A and max overload current 100.00A for the 16~450 mΩ, ≤±50 ppm/℃ version. |+| 2 | 2 | passive | Resistor terminal 2 (opposite end electrode); non-polarized and interchangeable with terminal 1, operating temperature -55~+170℃. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | UNI ROYAL Uniroyal Elec |+| Package | 2512 |+| Category | Resistors |+| Pins | 2 |++## Electrical characteristics++Limits from the LCSC catalog entry for this part (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Resistance |  |  | 50 |  | mΩ | nominal, catalog attribute (LCSC C2941069) | catalog |+| Tolerance |  | -1 |  | 1 | % | catalog attribute (LCSC C2941069) | catalog |+| Rated power |  |  |  | 2 | W | catalog attribute (LCSC C2941069) | catalog |+| Temperature coefficient | TCR | -50 |  | 50 | ppm/°C | catalog description (LCSC C2941069) | catalog |++## CAD (KiCad official)++- Symbol: `LR122WF500MT4E`+- Footprint: `Resistor_SMD:R_2512_6332Metric`+- 3D model: 2512 (KiCad packages3D, STEP)+- 3D model files: `lr122wf500mt4e-etched.step` / `lr122wf500mt4e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lr122wf500mt4e.step` / `lr122wf500mt4e.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [UNI ROYAL Uniroyal Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590235441804324864) (8 pp, sha256 `9cafe18fe2eb29b6`, retrieved 2026-10-19, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lr122wf500mt4e-datasheet.pdf)

@@ -0,0 +1,27 @@+{+  "schema_version": 1,+  "type": "component",+  "slug": "lr122wf500mt4e",+  "title": "lr122wf500mt4e",+  "brief": "UNI ROYAL Uniroyal Elec Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "version": "0.1.0",+  "author": {+    "handle": "ray",+    "name": "Ray"+  },+  "visibility": {+    "public": true+  },+  "component": {+    "mpn": "LR122WF500MT4E",+    "manufacturer": "UNI ROYAL Uniroyal Elec",+    "package": "2512",+    "pin_count": 2,+    "category": "Resistors",+    "subcategory": "Current Sense",+    "parts": {},+    "distributor_links": {+      "lcsc": "C2941069"+    }+  }+}\ No newline at end of file