# FMF25FPKR002XBH

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

FMF25FPKR002XBH 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (code F) |  | -1 |  | 1 | % | Part-number tolerance code F = ±1% | 6 |
| Temperature coefficient of resistance (Low EMF) | TCR | -70 |  | 70 | ppm/℃ | Low EMF, 2512 3W, 1-10 mΩ; TCR hot +25 to +155℃ | 5 |
| Max. working voltage |  |  |  | 245 | mV | 2512 Low EMF 3W row; E = P×R or max working voltage, whichever is lower | 5 |
| Max. working current |  |  |  | 54.8 | A | 2512 Low EMF 3W row | 5 |
| Max. overload voltage |  |  |  | 548 | mV | 2512 Low EMF 3W row | 5 |
| Max. overload current |  |  |  | 122.5 | A | 2512 Low EMF 3W row | 5 |
| Rated power | P |  |  | 3 | W | Rating at 70℃ ambient, 2512 Low EMF 3W | 5 |
| Surface temperature at full rated power |  |  |  | 105 | ℃ | Full rated power applied; solder pad and trace >300 mm² | 4 |
| Operating temperature range |  | -55 |  | 170 | ℃ | Operating temperature range | 3 |
| Insulation resistance |  | 1000 |  |  | MΩ | Between termination and coating; test voltage 100±15 V; IEC 60115-1 4.6 | 9 |
| ΔR high temperature exposure (storage) | ΔR | -1 |  | 1 | % | F (±1%); 1000 h at 170℃, unpowered | 7 |
| ΔR temperature cycling | ΔR | -0.5 |  | 0.5 | % | F (±1%); 1000 cycles −55℃ to +125℃ | 7 |
| ΔR temperature cycling (adder) | ΔR | -1 |  | 1 | mΩ | F (±1%); 1000 cycles −55℃ to +125℃ | 7 |
| ΔR moisture resistance | ΔR | -0.5 |  | 0.5 | % | F (±1%); 65℃/80-100%RH, 10 cycles | 7 |
| ΔR moisture resistance (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); 65℃/80-100%RH, 10 cycles | 7 |
| ΔR biased humidity | ΔR | -1 |  | 1 | % | F (±1%); 1000 h 85℃/85%RH, 10% of operating power | 7 |
| ΔR biased humidity (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); 1000 h 85℃/85%RH, 10% of operating power | 7 |
| ΔR operational life | ΔR | -1 |  | 1 | % | F (±1%); 1000 h at TA=125℃, specified rated power | 7 |
| ΔR operational life (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); 1000 h at TA=125℃, specified rated power | 7 |
| ΔR resistance to solder heat | ΔR | -0.5 |  | 0.5 | % | F (±1%); solder dip 270℃±5℃, 10 s | 8 |
| ΔR resistance to solder heat (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); solder dip 270℃±5℃, 10 s | 8 |
| ΔR thermal shock | ΔR | -0.5 |  | 0.5 | % | F (±1%); −55 to 155℃, 300 cycles | 8 |
| ΔR thermal shock (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); −55 to 155℃, 300 cycles | 8 |
| ΔR board flex | ΔR | -0.5 |  | 0.5 | % | F (±1%); bending 2 mm, 2512 | 8 |
| ΔR board flex (adder) | ΔR | -1 |  | 1 | mΩ | F (±1%); bending 2 mm, 2512 | 8 |
| ΔR short time overload | ΔR | -1 |  | 1 | % | F (±1%); 5 × rated power for 5 s | 9 |
| ΔR short time overload (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); 5 × rated power for 5 s | 9 |
| ΔR load life in humidity | ΔR | -1 |  | 1 | % | F (±1%); 40℃, 90-95% RH, 1000 h, 1.5 h on / 0.5 h off | 9 |
| ΔR load life in humidity (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); 40℃, 90-95% RH, 1000 h, 1.5 h on / 0.5 h off | 9 |
| ΔR load life | ΔR | -1 |  | 1 | % | F (±1%); rated voltage 1.5 h on / 0.5 h off at 70±2℃, 1000 h | 9 |
| ΔR load life (adder) | ΔR | -0.5 |  | 0.5 | mΩ | F (±1%); rated voltage 1.5 h on / 0.5 h off at 70±2℃, 1000 h | 9 |
| Resistance (nominal) | R |  | 2 |  | mΩ | Decoded from part code R002 (2512, 2 mΩ) | 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: `FMF25FPKR002XBH`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `fmf25fpkr002xbh-etched.step` / `fmf25fpkr002xbh-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fmf25fpkr002xbh.step` / `fmf25fpkr002xbh.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/8602955319014678528) (11 pp, sha256 `dfbda11e8df429c2`, 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/fmf25fpkr002xbh-datasheet.pdf)