# BLE32SN120SN1L

**Murata Electronics** · Ferrite Beads · 1210

BLE32SN120SN1L from Murata Electronics, in a 1210. 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 | 1210 |
| 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 (printed ±5 Ω at 100 MHz) |  | -5 |  | 5 | Ω | Impedance at 100 MHz, nominal 12 Ω | 1 |
| DC resistance, initial value | R_DC |  |  | 0.6 | mΩ | Initial value; digital multimeter, excluding substrate and wire resistance | 1 |
| DC resistance, value after testing | R_DC |  |  | 0.78 | mΩ | Value after testing | 1 |
| Impedance change rate after resistance to soldering heat |  | -30 |  | 30 | % | Resistance to soldering heat (8.4) | 2 |
| Impedance change rate after heat life |  | -30 |  | 30 | % | Heat life, 125°C, rated current, 1000 h (9.1) | 3 |
| Impedance change rate after cold resistance |  | -30 |  | 30 | % | Cold resistance, -55°C, 1000 h (9.2) | 3 |
| Impedance change rate after humidity |  | -30 |  | 30 | % | Humidity, 40°C, 90% to 95% RH, 1000 h (9.3) | 3 |
| Impedance change rate after temperature cycle |  | -30 |  | 30 | % | Temperature cycle, 100 cycles (9.4) | 3 |
| Rated current | I_R |  |  | 20 | A | Rated current for BLE32SN120SN1L; avoid exceeding (11.2) | 1 |
| Operating temperature range | T_op | -55 |  | 125 | °C | Operating temperature range | 1 |
| Storage temperature range | T_stg | -55 |  | 125 | °C | Storage temperature range | 1 |
| Impedance (nominal) |  |  | 12 |  | Ω | at 100 MHz; measured with Keysight 4291A and 16192A fixture | 1 |

## CAD (KiCad official)

- Symbol: `BLE32SN120SN1L`
- Footprint: `Inductor_SMD:L_1210_3225Metric`
- 3D model: 1210 (KiCad packages3D, STEP)
- 3D model files: `ble32sn120sn1l-etched.step` / `ble32sn120sn1l-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ble32sn120sn1l.step` / `ble32sn120sn1l.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/8600697218969833472) (9 pp, sha256 `7f7fe5be3ddb019d`, retrieved 2026-10-17, 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/ble32sn120sn1l-datasheet.pdf)