# JER2512F3R035

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

JER2512F3R035 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 | Terminal 1 of an unpolarised resistor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised resistor; either orientation. |

## 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 |
|---|---|---|---|---|---|---|---|
| Tolerance (part code F) |  | -1 |  | 1 | % | Part code letter F = 1% | 1 |
| Temperature coefficient of resistance (TCR) | TCR | -50 |  | 50 | ppm/℃ | 2512, 3W, 2mΩ~500mΩ range; R0 at room temp vs R at +125℃ or +155℃ | 2 |
| Nominal resistance (part code R035) | R |  | 35 |  | mΩ | Code R035 = 35mΩ per marking table | 2 |
| Rated power | P |  |  | 3 | W | 2512 3W rating; above 70℃ ambient, reduce max load power per curve | 2 |
| Operating temperature range |  | -55 |  | 170 | ℃ | Operating temperature range | 3 |
| Insulation resistance |  | 100 |  |  | MΩ |  | 2 |
| Resistance range (2512) | R | 0.5 |  | 500 | mΩ | 2512 range; 0.5mΩ applies to large-electrode type | 2 |
| Short time overload ΔR/R | ΔR/R | -1 |  | 1 | % | 5x rated power for 5 s (IEC60115-1 4.13) | 6 |
| Temperature cycling ΔR/R | ΔR/R | -1 |  | 1 | % | -55℃/+125℃, 1000 cycles, measured 24±4 h after | 6 |
| High temperature exposure ΔR/R | ΔR/R | -1 |  | 1 | % | 125℃, 1000 h, measured 24±4 h after | 6 |
| Low temperature operation ΔR/R | ΔR/R | -1 |  | 1 | % | -55℃, 45 min | 6 |
| Biased humidity ΔR/R | ΔR/R | -1 |  | 1 | % | 85℃/85%RH, 1000 h, 10% of operating power | 6 |
| Solderability terminal coverage |  | 95 |  |  | % | Solder bath 245±5℃, 2~3 s; new solder coverage | 6 |
| Resistance to solder heat ΔR/R | ΔR/R | -1 |  | 1 | % | Solder bath 260±5℃, 10±1 s | 7 |
| Terminal bending ΔR/R | ΔR/R | -1 |  | 1 | % | 2 mm deflection, 60 s | 7 |
| Mechanical shock ΔR/R | ΔR/R | -1 |  | 1 | % | 100g, 6 ms half sine | 7 |
| Terminal strength ΔR/R | ΔR/R | -1 |  | 1 | % | 17.7N applied for 60±1 s | 7 |
| Thermal shock ΔR/R | ΔR/R | -1 |  | 1 | % | -55/+125℃, 300 cycles, 15 min dwell | 7 |
| Operational life ΔR/R | ΔR/R | -1 |  | 1 | % | 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h | 7 |
| Resistance to vibration ΔR/R | ΔR/R | -1 |  | 1 | % | 5g, 20 min, 12 cycles, 10-2000 Hz | 7 |
| ESD ΔR/R | ΔR/R | -1 |  | 1 | % | AEC-Q200-002, 2 kV, 2 times at 1 s interval | 7 |

## CAD (KiCad official)

- Symbol: `JER2512F3R035`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `jer2512f3r035-etched.step` / `jer2512f3r035-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jer2512f3r035.step` / `jer2512f3r035.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [jieerrui datasheet](docs/jer2512f3r035-datasheet.pdf) (7 pp, sha256 `6c0d359d39546b43`, 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/jer2512f3r035-datasheet.pdf)