# FRM252WFR001TML

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

FRM252WFR001TML from FOJAN, 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 | FOJAN |
| 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 |
|---|---|---|---|---|---|---|---|
| Operating temperature range |  | -55 |  | 170 | °C | Operating Temperature range, 2512-L variant | 5 |
| Resistance range (2512-L) | R | 0.5 |  | 4 | mΩ | Resistance range for type 2512-L | 5 |
| Resistance tolerance |  | -1 |  | 1 | % | Tolerance code F (±1%) | 2 |
| Temperature coefficient of resistance | TCR | -50 |  | 50 | ppm/°C | Measured at 25°C and +125°C, reference point +25°C | 5 |
| Power rating | P70 |  |  | 2 | W | Power rating at P70 (70°C), 2512-L | 5 |
| Rated current |  |  |  | 63 | A | Rated current, 2512-L | 5 |
| Max overload current |  |  |  | 141 | A | Max overload current, 2512-L | 5 |
| Dielectric withstanding voltage |  |  |  | 500 | V DC | Stated in Features list as Dielectric Withstanding Voltage 500V DC | 2 |
| Nominal resistance | R |  | 1 |  | mΩ | Marking R001 = 1mΩ in part number | 2 |

## CAD (KiCad official)

- Symbol: `FRM252WFR001TML`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `frm252wfr001tml-etched.step` / `frm252wfr001tml-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `frm252wfr001tml.step` / `frm252wfr001tml.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [FOJAN datasheet](docs/frm252wfr001tml-datasheet.pdf) (12 pp, sha256 `13a1c74e6b23cc10`, retrieved 2026-10-17, 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`, 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/frm252wfr001tml-datasheet.pdf)