component
JER2512F3R250
Public Made by Adomby adom
jieerrui Current Sense Resistors / Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
JER2512F3R250
jieerrui · Current Sense Resistors / Shunt Resistors · 2512
JER2512F3R250 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 (F = 1%, decoded from part number) | -1 | 1 | % | 1 | |||
| Temperature coefficient of resistance (2mΩ~500mΩ range, 2512) | TCR | -50 | 50 | ppm/℃ | IEC60115-1 4.8; R0 at room temperature, R at +125℃ or +155℃ | 2 | |
| Nominal resistance (R250 = 250mΩ) | R | 250 | mΩ | Decoded from part-number code R250 per marking table | 2 | ||
| Rated power (2512, 3W) | P | 3 | W | 2512 row, rated power 3W (part-number code 3) | 2 | ||
| Resistance range (2512 3W row) | R | 0.5 | 500 | mΩ | Range 0.5mΩ~500mΩ for 2512 | 2 | |
| Insulation resistance | 100 | MΩ | Printed as >100MΩ for 2512 | 2 | |||
| Operating temperature range | T | -55 | 170 | ℃ | Above 70℃ ambient, max load power must be derated per curve | 3 | |
| Short time overload resistance change | ΔR% | -1 | 1 | % | IEC60115-1 4.13; 5.0x rated power for 5 s | 6 | |
| Temperature cycling resistance change | ΔR% | -1 | 1 | % | JESD22 JA-104; -55℃/+125℃, 1000 cycles | 6 | |
| High temperature exposure resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 108; 1000 h at 125℃ | 6 | |
| Low temperature storage resistance change | ΔR% | -1 | 1 | % | IEC60115-1 4.23.4; 45 min at -55℃ | 6 | |
| Biased humidity resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 103; 10% operating power, 85℃/85%RH, 1000 h | 6 | |
| Resistance to solder heat resistance change | ΔR% | -1 | 1 | % | IEC60115-1 4.18; 260±5℃, 10±1 s | 7 | |
| Terminal bending resistance change | ΔR% | -1 | 1 | % | AEC-Q200-005; 2 mm deflection, 60 s | 7 | |
| Operational life resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 108; 70±2℃, rated current cycled 1.5 h on / 0.5 h off, 1000 +48/-0 h | 7 | |
| Vibration resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 204; 5g, 10-2000 Hz, 12 cycles | 7 | |
| Mechanical shock resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 213; 100g, 6 ms half sine | 7 | |
| Terminal strength resistance change | ΔR% | -1 | 1 | % | AEC-Q200-006; 17.7N for 60±1 s | 7 | |
| Thermal shock resistance change | ΔR% | -1 | 1 | % | MIL-STD-202 107; -55/+125℃, 300 cycles | 7 | |
| ESD resistance change | ΔR% | -1 | 1 | % | AEC-Q200-002; 2 kV, 2 times/1 s | 7 |
CAD (KiCad official)
- Symbol:
JER2512F3R250 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
jer2512f3r250-etched.step/jer2512f3r250-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jer2512f3r250.step/jer2512f3r250.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: jieerrui datasheet (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, primarytwo-terminal convention(convention), consensusoff(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).