# PEWF2512F2L00Q9

**RESI** · Current Sense Resistors / Shunt Resistors · 2512

PEWF2512F2L00Q9 from RESI, in a 2512. 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 copper electrode of the 2 mΩ ±1% current-sense resistor (2512, L 6.3±0.3 mm, W 3.0±0.3 mm), soldered to a recommended pad of a=3.9, b=3.4, c=1.8 mm. |
| 2 | 2 | passive | Second copper electrode of the 2 mΩ ±1% current-sense resistor, on the opposite end from terminal 1 and soldered to a recommended pad of a=3.9, b=3.4, c=1.8 mm. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RESI |
| Package | 2512 |
| Category | Resistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance |  |  | 2 |  | mΩ | nominal, catalog attribute (LCSC C5350674) | catalog |
| Tolerance |  | -1 |  | 1 | % | catalog attribute (LCSC C5350674) | catalog |
| Rated power |  |  |  | 5 | W | catalog attribute (LCSC C5350674) | catalog |

## CAD (KiCad official)

- Symbol: `PEWF2512F2L00Q9`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `pewf2512f2l00q9-etched.step` / `pewf2512f2l00q9-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pewf2512f2l00q9.step` / `pewf2512f2l00q9.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [RESI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758105377810862080) (11 pp, sha256 `d68b2d24558e0368`, retrieved 2026-10-19, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/pewf2512f2l00q9-datasheet.pdf)