# FMF25FPKR005-LH

**PSA Prosperity Dielectrics** · Current Sense Resistors / Shunt Resistors · 2512

FMF25FPKR005-LH from PSA Prosperity Dielectrics, 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 | PSA Prosperity Dielectrics |
| 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 |
|---|---|---|---|---|---|---|---|
| Insulation resistance (termination to coating) |  | 1000 |  |  | MΩ | Test voltage 100±15 V (IEC 60115-1 Cl.4.6) | 10 |
| Resistance tolerance |  | -1 |  | 1 | % | Suffix F = ±1% (MPN 'F' position) | 6 |
| Temperature coefficient of resistance | TCR | -70 |  | 70 | ppm/℃ | Standard alloy, 2512 3W, 5 mΩ; TCR Hot (+25~+155℃), IEC 60115-1 Cl.4.8 | 5 |
| Operating temperature range |  | -55 |  | 170 | ℃ | Operating temperature range | 3 |
| Maximum surface temperature during operation |  |  |  | 105 | ℃ | Keep surface temperature not to exceed 105℃ when operating | 5 |
| Maximum working current |  |  |  | 24.5 | A | 2512 3W, 5 mΩ, Standard (Table B; Annex 1 gives 24.5 A for 5 mΩ) | 5 |
| Maximum overload current |  |  |  | 54.8 | A | 2512 3W, 5 mΩ, Standard (Table B; Annex 1 gives 54.8 A for 5 mΩ) | 5 |
| Rated power | P |  | 3 |  | W | Rating at 70℃, 2512 3W | 5 |
| Nominal resistance | R |  | 5 |  | mΩ | Marking R005 = 5 mΩ, 2512; from part-number value field 005 | 6 |

## 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 |  | Item Protective Molding Resistive Element Internal Terminal External Terminal Material Resin Alloy Metal Copper Solder | 3 |

## CAD (KiCad official)

- Symbol: `FMF25FPKR005-LH`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `fmf25fpkr005-lh-etched.step` / `fmf25fpkr005-lh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fmf25fpkr005-lh.step` / `fmf25fpkr005-lh.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PSA Prosperity Dielectrics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603095690436493312) (14 pp, sha256 `c9492c76b42ec930`, retrieved 2026-10-27, 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/fmf25fpkr005-lh-datasheet.pdf)