BLM18AG331SN1D

@@ -0,0 +1,48 @@+# BLM18AG331SN1D++**Murata Electronics** · Ferrite Beads · 0603++BLM18AG331SN1D from Murata Electronics, in a 0603. 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 | One electrode of the chip ferrite bead (330 ohm +/-25% at 100MHz, rated 600mA, 0.30 ohm max DC resistance); the bead is non-polarized so the terminals are interchangeable. |+| 2 | 2 | passive | Other electrode of the chip ferrite bead (330 ohm +/-25% at 100MHz, rated 600mA, 0.30 ohm max DC resistance); the bead is non-polarized so the terminals are interchangeable. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Murata Electronics |+| Package | 0603 |+| Category | Filters |+| 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 |+|---|---|---|---|---|---|---|---|+| Impedance | Z |  | 330 |  | Ω | at 100 MHz, catalog attribute (LCSC C113010) | catalog |+| Tolerance |  | -25 |  | 25 | % | catalog attribute (LCSC C113010) | catalog |+| Rated current |  |  |  | 600 | mA | catalog attribute (LCSC C113010) | catalog |++## CAD (KiCad official)++- Symbol: `BLM18AG331SN1D`+- Footprint: `Inductor_SMD:L_0603_1608Metric`+- 3D model: 0603 (KiCad packages3D, STEP)+- 3D model files: `blm18ag331sn1d-etched.step` / `blm18ag331sn1d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `blm18ag331sn1d.step` / `blm18ag331sn1d.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Murata Electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588898921268072449) (12 pp, sha256 `662fddeae58fa04f`, 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/blm18ag331sn1d-datasheet.pdf)

@@ -0,0 +1,27 @@+{+  "schema_version": 1,+  "type": "component",+  "slug": "blm18ag331sn1d",+  "title": "blm18ag331sn1d",+  "brief": "Murata Electronics Ferrite Beads, 0603. 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": "BLM18AG331SN1D",+    "manufacturer": "Murata Electronics",+    "package": "0603",+    "pin_count": 2,+    "category": "Inductors",+    "subcategory": "Ferrite Beads",+    "parts": {},+    "distributor_links": {+      "lcsc": "C113010"+    }+  }+}\ No newline at end of file