# BLM03HD102FN1D

**Murata Electronics** · Ferrite Beads · 0201

BLM03HD102FN1D 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 end electrode of the single-circuit ferrite bead (1000 ohm ±25% at 100MHz, 2300 ohm ±40% at 1GHz), rated 135 mA with 2.4 ohm max DC resistance. |
| 2 | 2 | passive | Other end electrode of the ferrite bead, interchangeable with the first terminal (no polarity shown), rated 135 mA at -55°C to +125°C operating temperature. |

## 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 |
|---|---|---|---|---|---|---|---|
| Impedance at 100MHz (nominal) |  |  | 1000 |  | Ω | Measured at 100MHz±1MHz (standard testing condition) | 1 |
| Impedance tolerance at 100MHz |  | -25 |  | 25 | % | Printed as 1000±25% | 1 |
| Impedance at 1GHz (nominal) |  |  | 2300 |  | Ω | Measured at 1GHz±1MHz (standard testing condition) | 1 |
| Impedance tolerance at 1GHz |  | -40 |  | 40 | % | Printed as 2300±40% | 1 |
| Rated current |  |  |  | 135 | mA |  | 1 |
| DC resistance (initial values) |  |  |  | 2.4 | Ω | Initial values, digital multimeter (max) | 1 |
| DC resistance (after testing) |  |  |  | 2.5 | Ω | After testing (max) | 1 |
| Impedance change (at 100MHz) |  | -30 |  | 30 | % | At 100MHz, after the test in section 7-2 (see review note) | 2 |
| Operating temperature |  | -55 |  | 125 | °C |  | 1 |
| Storage temperature |  | -55 |  | 125 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `BLM03HD102FN1D`
- 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/8590162901026697216) (7 pp, sha256 `8d873eb443466555`, 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/blm03hd102fn1d-datasheet.pdf)