# BLM18AG102BH1D

**Murata Electronics** · Ferrite Beads · 0603

BLM18AG102BH1D 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 | First electrode of the two-terminal ferrite bead (1000Ω ±25% at 100MHz, rated current 450mA, DC resistance 0.50Ω max. initial), interchangeable with the other terminal. |
| 2 | 2 | passive | Second electrode of the two-terminal ferrite bead (1000Ω ±25% at 100MHz, rated current 450mA, DC resistance 0.50Ω max. initial), interchangeable with the first terminal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 0603 |
| 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 tolerance (at 100MHz) |  | -25 |  | 25 | % | Impedance at 100MHz, printed as ±25%; tolerance letter for this part from printed 1000±25% | 1 |
| Rated current |  |  | 450 | 450 | mA | Printed as 450*1; *1: rated current is derated per temperature figure (page 2) | 1 |
| DC resistance (first printed value) |  |  |  | 0.5 | Ω | Ω max. column; test condition not clearly printed for this column | 1 |
| DC resistance (second printed value) |  |  |  | 0.6 | Ω | Ω max. column; test condition not clearly printed for this column | 1 |
| Impedance nominal value (at 100MHz) |  |  | 1000 |  | Ω | Measured at 100MHz±1MHz | 1 |
| ESD rank |  |  | 2 |  | kV | ESD Rank 2: 2kV | 1 |
| Operating temperature |  | -55 |  | 150 | °C | Operating Temperature range; do not use beyond this range and rated current | 1 |
| Storage temperature |  | -55 |  | 150 | °C | Storage Temperature | 1 |
| Impedance change after biased humidity |  | -30 |  | 30 | % | 1000 hours at 85°C, 85%RH, max rated current applied; Table B, BLM18_ (not KG) value | 3 |

## CAD (KiCad official)

- Symbol: `BLM18AG102BH1D`
- Footprint: `Inductor_SMD:L_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `blm18ag102bh1d-etched.step` / `blm18ag102bh1d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `blm18ag102bh1d.step` / `blm18ag102bh1d.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/8588949477494939648) (9 pp, sha256 `71958eadd63257cf`, retrieved 2026-10-30, 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/blm18ag102bh1d-datasheet.pdf)