component
JER2512F3R300
Public Made by Adomby adom
jieerrui Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownJER2512F3R300
jieerrui · Current Sense Resistors / Shunt Resistors · 2512
JER2512F3R300 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, 3R300 = 300mΩ, 3W rated power, 1% tolerance; non-polarized. |
| 2 | 2 | passive | Second terminal (electrode) of the 2512 alloy current-sense resistor, 300mΩ, 3W rated power, 1% tolerance; non-polarized and interchangeable with the first terminal. |
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 |
|---|---|---|---|---|---|---|---|
| Resistance (nominal value, code R300) | R | 300 | mΩ | Part-number code R300 = 300mΩ | 1 | ||
| Resistance tolerance (code F) | -1 | 1 | % | Tolerance code F = 1% | 1 | ||
| Temperature coefficient of resistance (TCR), 2mΩ~500mΩ range | TCR | -50 | 50 | ppm/℃ | IEC60115-1 4.8, room temp to +125℃ or +155℃; 2512 2mΩ~500mΩ row | 2 | |
| Rated power | P | 3 | W | 2512 size, 3W code; derate above 70℃ ambient per curve | 1 | ||
| Insulation resistance | 100 | MΩ | Printed as >100MΩ for 2512 range | 2 | |||
| Operating temperature range | -55 | 170 | ℃ | Operating Temperature Range | 3 | ||
| Short time overload ΔR | ΔR | -1 | 1 | % | IEC60115-1 4.13; 5.0x rated power, 5 s | 6 | |
| Temperature cycling ΔR | ΔR | -1 | 1 | % | JESD22 JA-104; -55℃/+125℃, 1000 cycles | 6 | |
| High temperature exposure ΔR | ΔR | -1 | 1 | % | MIL-STD-202 108; 125℃, 1000 h | 6 | |
| Low temperature operation ΔR | ΔR | -1 | 1 | % | IEC60115-1 4.23.4; -55℃, 45 min | 6 | |
| Biased humidity ΔR | ΔR | -1 | 1 | % | MIL-STD-202 103; 10% operating power, 85℃/85%RH, 1000 h | 6 | |
| Resistance to solder heat ΔR | ΔR | -1 | 1 | % | IEC60115-1 4.18; 260±5℃, 10±1 s | 7 | |
| Operational life ΔR | ΔR | -1 | 1 | % | MIL-STD-202 108; 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h | 7 | |
| Resistance to vibration ΔR | ΔR | -1 | 1 | % | MIL-STD-202 204; 5g, 10-2000 Hz, 12 cycles | 7 | |
| Mechanical shock ΔR | ΔR | -1 | 1 | % | MIL-STD-202 213; 100g, half sine, 6 ms | 7 | |
| Terminal bending ΔR | ΔR | -1 | 1 | % | AEC-Q200-005; 2 mm deflection, 60 s | 7 | |
| Terminal strength ΔR | ΔR | -1 | 1 | % | AEC-Q200-006; 17.7 N, 60±1 s | 7 | |
| Thermal shock ΔR | ΔR | -1 | 1 | % | MIL-STD-202 107; -55/+125℃, 300 cycles | 7 | |
| ESD ΔR | ΔR | -1 | 1 | % | AEC-Q200-002; 2 kV, 2 times | 7 |
CAD (KiCad official)
- Symbol:
JER2512F3R300 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
jer2512f3r300-etched.step/jer2512f3r300-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jer2512f3r300.step/jer2512f3r300.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: jieerrui datasheet (7 pp, sha256
6c0d359d39546b43, retrieved 2026-10-19, 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, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).