# BLM03EB500SN1D

**Murata Electronics** · Ferrite Beads · 0201

BLM03EB500SN1D 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 two-terminal chip ferrite bead (0.6x0.3x0.3 mm), 50 ohm +/-25% at 100MHz and 255 ohm +/-40% at 1GHz, rated 400mA at 85C and 300mA at 125C, 0.58 ohm max DC resistance. |
| 2 | 2 | passive | Other electrode of the two-terminal chip ferrite bead, connected in series through the inductive/resistive element, with the bead non-polarized and interchangeable with pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 0201 |
| 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 |  | 50 |  | Ω | at 100 MHz, catalog attribute (LCSC C88957) | catalog |
| Tolerance |  | -25 |  | 25 | % | catalog attribute (LCSC C88957) | catalog |
| Rated current |  |  |  | 400 | mA | catalog attribute (LCSC C88957) | catalog |

## CAD (KiCad official)

- Symbol: `BLM03EB500SN1D`
- 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/8590911319753105408) (7 pp, sha256 `dbfc8cd04d403b16`, 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/blm03eb500sn1d-datasheet.pdf)