# BLM31PG601SZ1L

**Murata Electronics** · Ferrite Beads · 1206

BLM31PG601SZ1L from Murata Electronics, in a 1206. 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 | Terminal 1 of an unpolarised inductor or ferrite bead; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised inductor or ferrite bead; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 1206 |
| 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 | % | at 100MHz, printed as 600±25% | 1 |
| Impedance change after AEC-Q200 stress tests |  | -30 |  | 30 | % | at 100MHz, after stress tests (Table A/B); BLM31SN is ±50%, not this part | 2 |
| DC resistance (initial) | R_DC |  |  | 0.08 | Ω | Initial value, max | 1 |
| DC resistance (after testing) | R_DC |  |  | 0.16 | Ω | After testing, max | 1 |
| Rated current |  |  |  | 1500 | mA | at 85°C operating temperature; derated above 85°C | 1 |
| Rated current |  |  |  | 1000 | mA | at 125°C operating temperature | 1 |
| Operating temperature range |  | -55 |  | 125 | °C |  | 1 |
| Storage temperature range |  | -55 |  | 125 | °C |  | 1 |
| Impedance at 100MHz (nominal) | Z |  | 600 |  | Ω | at 100MHz±1MHz | 1 |

## CAD (KiCad official)

- Symbol: `BLM31PG601SZ1L`
- Footprint: `Inductor_SMD:L_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `blm31pg601sz1l-etched.step` / `blm31pg601sz1l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `blm31pg601sz1l.step` / `blm31pg601sz1l.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/8588906537150517248) (9 pp, sha256 `f9ad41849d320f7e`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal convention` (convention), consensus `off` (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/blm31pg601sz1l-datasheet.pdf)