# BLM03AG241SN1D12

**Murata Electronics** · Ferrite Beads · 0201

BLM03AG241SN1D12 from Murata Electronics, in a 0201. 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 (200mA rated current at 85°C and 125°C, 0.8Ω max DC resistance, 240Ω ±25% impedance at 100MHz); the part is not polarized and needs no ground connection. |
| 2 | 2 | passive | Other electrode of the chip ferrite bead (200mA rated current at 85°C and 125°C, 0.8Ω max DC resistance, 240Ω ±25% impedance at 100MHz); the part is not polarized and needs no ground connection. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 0201 |
| Category | Filters |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Direct current resistance (max) |  |  |  | 0.8 | Ω |  | 2 |
| Rated current |  |  | 200 |  | mA | at 85℃ | 2 |
| Impedance |  |  | 240 |  | Ω | at 100MHz | 2 |
| Impedance tolerance |  | -25 |  | 25 | % | at 100MHz | 2 |
| Operating temperature range |  | -55 |  | 125 | ℃ |  | 2 |
| Length dimensional tolerance (nominal 0.6 mm) |  | -0.03 |  | 0.03 | mm |  | 2 |
| Width dimensional tolerance (nominal 0.3 mm) |  | -0.03 |  | 0.03 | mm |  | 2 |
| Thickness dimensional tolerance (nominal 0.3 mm) |  | -0.03 |  | 0.03 | mm |  | 2 |

## CAD (KiCad official)

- Symbol: `BLM03AG241SN1D12`
- Footprint: `Inductor_SMD:L_0201_0603Metric`
- 3D model: 0201 (KiCad packages3D, STEP)

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Murata Electronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603035309055619072) (3 pp, sha256 `b28dc96820fd4060`, retrieved 2026-10-25, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/blm03ag241sn1d12-datasheet.pdf)