component
BLM18AG221SN1D
Public Made by Adomby adom
Murata Electronics Ferrite Beads, 0603. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+32@@ -0,0 +1,32 @@+# BLM18AG221SN1D: 220 Ohm 0603 Ferrite Bead++General-purpose Murata ferrite bead for supply-rail noise filtering. 220 ohm impedance at 100 MHz with a 2 A current rating and 50 mohm DC resistance, in the 0603 (1608 metric) size.++## Key specs++| Parameter | Value |+|---|---|+| Impedance | 220 ohm at 100 MHz (+/-25 percent) |+| Rated current | 2 A |+| DC resistance | 50 mohm max |+| Size | 0603 (1608 metric) |++## Where it is used++Six of these filter the analog supply pins on the [Large Automotive Eth Switch Molecule](https://wiki.adom.inc/adom/large-automotive-eth-switch-molecule): the LAN9374 and KSZ9131 AVDD rails and the STM32H563 VDDA rail each get a bead plus local decoupling.++## Ordering++| Vendor | Part number |+|---|---|+| Murata | BLM18AG221SN1D |++## Files++| File | What |+|---|---|+| `blm18ag221sn1d.kicad_sym` | KiCad symbol (2 pins) |+| `L_0603_1608Metric.kicad_mod` | KiCad footprint |+| `blm18ag221sn1d.step` / `blm18ag221sn1d.glb` | 3D model |+| `blm18ag221sn1d.lbr` | Fusion 360 / EAGLE library |+| `blm18ag221sn1d.adom-lbr.json` | adom-lbr canonical JSON |
page.jsonadded+49@@ -0,0 +1,49 @@+{+ "slug": "blm18ag221sn1d",+ "title": "BLM18AG221SN1D: 220 Ohm 0603 Ferrite Bead",+ "type": "component",+ "version": "1.0.0",+ "description": "Murata BLM18AG221SN1D ferrite bead, 220 ohm impedance at 100 MHz, 2 A rated current, 50 mohm DC resistance, 0603 (1608 metric) size.",+ "tags": [+ "ferrite",+ "bead",+ "murata",+ "0603",+ "emi",+ "filtering"+ ],+ "component": {+ "mpn": "BLM18AG221SN1D",+ "manufacturer": "Murata",+ "package": "0603",+ "pin_count": 2,+ "category": "passive",+ "symbol": "blm18ag221sn1d.kicad_sym",+ "footprint": "L_0603_1608Metric.kicad_mod",+ "model3d": "blm18ag221sn1d.glb",+ "step": "blm18ag221sn1d.step",+ "datasheet_path": "https://www.murata.com/en-us/products/productdetail?partno=BLM18AG221SN1%23"+ },+ "hero": {+ "type": "billboard",+ "headline": "BLM18AG221SN1D Ferrite Bead",+ "subhead": "220 ohm at 100 MHz, 2 A, 0603. Analog supply filtering for Ethernet PHY rails.",+ "screenshot": "docs/hero.png"+ },+ "files": [+ "blm18ag221sn1d.kicad_sym",+ "L_0603_1608Metric.kicad_mod",+ "blm18ag221sn1d.glb",+ "blm18ag221sn1d.step",+ "blm18ag221sn1d.adom-lbr.json",+ "blm18ag221sn1d.lbr",+ "docs/hero.png",+ "docs/symbol.svg"+ ],+ "dependencies": {},+ "org": "adom",+ "author": {+ "name": "noah",+ "email": "[email protected]"+ }+}