# JER2512F3R000

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

JER2512F3R000 from jieerrui, 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 terminal electrode of the 2512 alloy current-sense resistor (JER2512F3R000, 3W, 1%, 3mΩ); 2512 electrode width is 2.20±0.20 mm (large electrode) or 0.90±0.20 mm (small electrode), and the resistor is non-polarized. |
| 2 | 2 | passive | Second terminal electrode of the 2512 alloy current-sense resistor (JER2512F3R000, 3W, 1%, 3mΩ); rated up to 3W with derating above 70°C and an operating range of -55°C to +170°C, and the resistor is non-polarized. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | jieerrui |
| 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 |  | 100 |  |  | MΩ | 2512 row, printed as >100MΩ | 2 |
| Resistance tolerance (F = 1%) |  | -1 |  | 1 | % | Tolerance letter F decoded from part number per part-numbering table | 1 |
| Rated power |  |  |  | 3 | W | 2512 size, 3 W rated-power code; derate above 70 °C ambient per curve on page 3 | 2 |
| Operating temperature range |  | -55 |  | 170 | °C | Operating Temperature Range | 3 |
| Short time overload resistance change | ΔR/R | -1 |  | 1 | % | 5.0 times rated power for 5 s, IEC60115-1 4.13 | 6 |
| Temperature cycling resistance change | ΔR/R | -1 |  | 1 | % | -55 °C/+125 °C, 1000 cycles, measured 24±4 h after test | 6 |
| High temperature exposure resistance change | ΔR/R | -1 |  | 1 | % | 125 °C, 1000 h, measured 24±4 h after test | 6 |
| Low temperature storage resistance change | ΔR/R | -1 |  | 1 | % | -55 °C, 45 min | 6 |
| Biased humidity resistance change | ΔR/R | -1 |  | 1 | % | 10% of operating power, 85 °C/85%RH, 1000 h, measured 24±4 h after test | 6 |
| Resistance to solder heat resistance change | ΔR/R | -1 |  | 1 | % | Soldering bath 260±5 °C, 10±1 s, IEC60115-1 4.18 | 6 |
| Terminal bending resistance change | ΔR/R | -1 |  | 1 | % | 2 mm deflection, 60 s, AEC-Q200-005 | 7 |
| Operational life resistance change | ΔR/R | -1 |  | 1 | % | 70±2 °C, rated current 1.5 h on / 0.5 h off, 1000 +48/-0 h | 7 |
| Vibration resistance change | ΔR/R | -1 |  | 1 | % | 5 g, 10-2000 Hz, 12 cycles, MIL-STD-202 204 | 7 |
| Mechanical shock resistance change | ΔR/R | -1 |  | 1 | % | 100 g, 6 ms half sine shock pulse | 7 |
| Terminal strength resistance change | ΔR/R | -1 |  | 1 | % | 17.7 N applied for 60±1 s, AEC-Q200-006 | 7 |
| Thermal shock resistance change | ΔR/R | -1 |  | 1 | % | -55/+125 °C, 300 cycles, devices mounted | 7 |
| ESD resistance change | ΔR/R | -1 |  | 1 | % | 2 kV, 2 times, AEC-Q200-002 | 7 |

## CAD (KiCad official)

- Symbol: `JER2512F3R000`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `jer2512f3r000-etched.step` / `jer2512f3r000-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jer2512f3r000.step` / `jer2512f3r000.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [jieerrui datasheet](docs/jer2512f3r000-datasheet.pdf) (7 pp, sha256 `6c0d359d39546b43`, 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/jer2512f3r000-datasheet.pdf)