# WSLF2512L3000FEA

**Vishay Intertech** · Current Sense Resistors / Shunt Resistors · 2512

WSLF2512L3000FEA from Vishay Intertech, 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 | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | 2512 |
| Category | Resistors |
| 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance |  | -1 |  | 1 | % | Tolerance code F = ±1.0 % (MPN WSLF2512L3000FEA) | 1 |
| Component temperature coefficient (including terminal) |  | -70 |  | 70 | ppm/°C | 3 mΩ value; TCR measured from -55 °C to 150 °C | 2 |
| Element TCR |  |  |  | 20 | ppm/°C | Resistor element alloy only (printed as < 20); not component TCR | 2 |
| Operating temperature range |  | -65 |  | 170 | °C |  | 2 |
| Rated power P70 °C |  |  |  | 4 | W | Ambient temperature P70 °C, 3 mΩ row (see Fig. 1 derating) | 1 |
| Rated power P100 °C |  |  |  | 3 | W | Terminal temperature P100 °C, 3 mΩ row (see Fig. 2 derating) | 1 |
| Thermal shock |  | -0.5 |  | 0.5 | % | -55 °C to +150 °C, 2000 cycles, 15 min at each extreme | 3 |
| Short time overload |  | -0.5 |  | 0.5 | % | 5 x rated power for 5 s | 3 |
| Low temperature storage |  | -0.1 |  | 0.1 | % | -65 °C for 24 h | 3 |
| High temperature exposure |  | -1 |  | 1 | % | 2000 h at +170 °C | 3 |
| Bias humidity |  | -0.5 |  | 0.5 | % | +85 °C, 85 % RH, 10 % bias, 1000 h | 3 |
| Mechanical shock |  | -0.2 |  | 0.2 | % | 100 g's for 6 ms, 5 pulses | 3 |
| Vibration |  | -0.2 |  | 0.2 | % | Frequency varied 10 Hz to 2000 Hz in 1 min, 3 directions, 12 h | 3 |
| Load life |  | -1 |  | 1 | % | 2000 h at +70 °C, 1.5 h ON, 0.5 h OFF | 3 |
| Resistance to solder heat |  | -0.5 |  | 0.5 | % | +260 °C solder, 10 s to 12 s dwell, 25 mm/s emergence | 3 |
| Moisture resistance |  | -0.1 |  | 0.1 | % | MIL-STD-202, method 106, 0 % power, 7a and 7b not required | 3 |
| Resistance value | R |  | 3 |  | mΩ | WSLF2512 standard value 3m (decoded from L3000 in MPN) | 1 |
| Thermal resistance |  |  | 18.2 |  | °C/W | Junction to terminal, 3.0 mΩ row | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper |  | (1) Component TCR - total TCR that includes the TCR effects of the resistor element and the copper terminal | 2 |

## CAD (KiCad official)

- Symbol: `WSLF2512L3000FEA`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `wslf2512l3000fea-etched.step` / `wslf2512l3000fea-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `wslf2512l3000fea.step` / `wslf2512l3000fea.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589914023207731200) (4 pp, sha256 `785be1913dbddf8c`, 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/wslf2512l3000fea-datasheet.pdf)