JER2512F3R300

@@ -0,0 +1,65 @@+# JER2512F3R300++**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.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jer2512f3r300.step` / `jer2512f3r300.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [jieerrui datasheet](docs/jer2512f3r300-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/jer2512f3r300-datasheet.pdf)

@@ -0,0 +1,27 @@+{+  "schema_version": 1,+  "type": "component",+  "slug": "jer2512f3r300",+  "title": "jer2512f3r300",+  "brief": "jieerrui Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "version": "0.1.0",+  "author": {+    "handle": "ray",+    "name": "Ray"+  },+  "visibility": {+    "public": true+  },+  "component": {+    "mpn": "JER2512F3R300",+    "manufacturer": "jieerrui",+    "package": "2512",+    "pin_count": 2,+    "category": "Resistors",+    "subcategory": "Current Sense",+    "parts": {},+    "distributor_links": {+      "lcsc": "C49164927"+    }+  }+}\ No newline at end of file