component
JER2512F3R400
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.
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JER2512F3R400
jieerrui · Current Sense Resistors / Shunt Resistors · 2512
JER2512F3R400 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 400mΩ (R400) 1% 3W alloy current-sense resistor, with a 0.90±0.20mm small-electrode width on the 6.40x3.20mm 2512 body; the part is non-polarized. |
| 2 | 2 | passive | Second terminal electrode of the 400mΩ (R400) 1% 3W alloy current-sense resistor, with a 0.90±0.20mm small-electrode width on the 6.40x3.20mm 2512 body; the part 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (F = 1%) | -1 | 1 | % | Tolerance letter F decoded from part number | 1 | ||
| Nominal resistance | R | 400 | mΩ | Marking code R400 = 400mΩ | 2 | ||
| Temperature coefficient of resistance | TCR | -50 | 50 | ppm/℃ | 2512 type, resistance 2mΩ~500mΩ | 2 | |
| Rated power | P | 3 | W | 2512 type, 3W rating; derate above 70℃ ambient | 2 | ||
| Resistance range | R | 0.5 | 500 | mΩ | 2512 type; 0.5mΩ-4mΩ large-electrode variants listed separately | 2 | |
| Insulation resistance | 100 | MΩ | 2 | ||||
| Operating temperature range | -55 | 170 | ℃ | Load power must be derated above 70℃ ambient | 3 | ||
| Short time overload resistance change | ΔR/R | -1 | 1 | % | 5x rated power for 5 s, IEC60115-1 4.13 | 6 | |
| Temperature cycling resistance change | ΔR/R | -1 | 1 | % | -55℃/+125℃, 1000 cycles, JESD22 JA-104 | 6 | |
| High temperature exposure resistance change | ΔR/R | -1 | 1 | % | 125℃, 1000 h, MIL-STD-202 Method 108 | 6 | |
| Low temperature operation resistance change | ΔR/R | -1 | 1 | % | -55℃, 45 min, IEC60115-1 4.23.4 | 6 | |
| Biased humidity resistance change | ΔR/R | -1 | 1 | % | 10% of rated power, 85℃/85%RH, 1000 h | 6 | |
| Solder electrode coverage | 95 | % | J-STD-002B test B, 245±5℃, 2~3 s | 6 | |||
| Operational life resistance change | ΔR/R | -1 | 1 | % | 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h | 7 | |
| Vibration resistance change | ΔR/R | -1 | 1 | % | 5g, 10-2000 Hz, 12 cycles, MIL-STD-202 Method 204 | 7 | |
| Resistance to solder heat resistance change | ΔR/R | -1 | 1 | % | 260±5℃, 10±1 s, IEC60115-1 4.18 | 7 | |
| Terminal bending resistance change | ΔR/R | -1 | 1 | % | 2 mm deflection, 60 s, AEC-Q200-005 | 7 | |
| Mechanical shock resistance change | ΔR/R | -1 | 1 | % | 100g, 6 ms half sine, MIL-STD-202 Method 213 | 7 | |
| Terminal strength resistance change | ΔR/R | -1 | 1 | % | 17.7 N for 60±1 s, AEC-Q200-006 | 7 | |
| Thermal shock resistance change | ΔR/R | -1 | 1 | % | -55/+125℃, 300 cycles, MIL-STD-202 Method 107 | 7 | |
| ESD resistance change | ΔR/R | -1 | 1 | % | 2 kV, 2 times at 1 s interval, AEC-Q200-002 | 7 |
CAD (KiCad official)
- Symbol:
JER2512F3R400 - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
jer2512f3r400-etched.step/jer2512f3r400-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jer2512f3r400.step/jer2512f3r400.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).
# JER2512F3R400
**jieerrui** · Current Sense Resistors / Shunt Resistors · 2512
JER2512F3R400 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 400mΩ (R400) 1% 3W alloy current-sense resistor, with a 0.90±0.20mm small-electrode width on the 6.40x3.20mm 2512 body; the part is non-polarized. |
| 2 | 2 | passive | Second terminal electrode of the 400mΩ (R400) 1% 3W alloy current-sense resistor, with a 0.90±0.20mm small-electrode width on the 6.40x3.20mm 2512 body; the part 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 |
|---|---|---|---|---|---|---|---|
| Resistance tolerance (F = 1%) | | -1 | | 1 | % | Tolerance letter F decoded from part number | 1 |
| Nominal resistance | R | | 400 | | mΩ | Marking code R400 = 400mΩ | 2 |
| Temperature coefficient of resistance | TCR | -50 | | 50 | ppm/℃ | 2512 type, resistance 2mΩ~500mΩ | 2 |
| Rated power | P | | 3 | | W | 2512 type, 3W rating; derate above 70℃ ambient | 2 |
| Resistance range | R | 0.5 | | 500 | mΩ | 2512 type; 0.5mΩ-4mΩ large-electrode variants listed separately | 2 |
| Insulation resistance | | 100 | | | MΩ | | 2 |
| Operating temperature range | | -55 | | 170 | ℃ | Load power must be derated above 70℃ ambient | 3 |
| Short time overload resistance change | ΔR/R | -1 | | 1 | % | 5x rated power for 5 s, IEC60115-1 4.13 | 6 |
| Temperature cycling resistance change | ΔR/R | -1 | | 1 | % | -55℃/+125℃, 1000 cycles, JESD22 JA-104 | 6 |
| High temperature exposure resistance change | ΔR/R | -1 | | 1 | % | 125℃, 1000 h, MIL-STD-202 Method 108 | 6 |
| Low temperature operation resistance change | ΔR/R | -1 | | 1 | % | -55℃, 45 min, IEC60115-1 4.23.4 | 6 |
| Biased humidity resistance change | ΔR/R | -1 | | 1 | % | 10% of rated power, 85℃/85%RH, 1000 h | 6 |
| Solder electrode coverage | | 95 | | | % | J-STD-002B test B, 245±5℃, 2~3 s | 6 |
| Operational life resistance change | ΔR/R | -1 | | 1 | % | 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h | 7 |
| Vibration resistance change | ΔR/R | -1 | | 1 | % | 5g, 10-2000 Hz, 12 cycles, MIL-STD-202 Method 204 | 7 |
| Resistance to solder heat resistance change | ΔR/R | -1 | | 1 | % | 260±5℃, 10±1 s, IEC60115-1 4.18 | 7 |
| Terminal bending resistance change | ΔR/R | -1 | | 1 | % | 2 mm deflection, 60 s, AEC-Q200-005 | 7 |
| Mechanical shock resistance change | ΔR/R | -1 | | 1 | % | 100g, 6 ms half sine, MIL-STD-202 Method 213 | 7 |
| Terminal strength resistance change | ΔR/R | -1 | | 1 | % | 17.7 N for 60±1 s, AEC-Q200-006 | 7 |
| Thermal shock resistance change | ΔR/R | -1 | | 1 | % | -55/+125℃, 300 cycles, MIL-STD-202 Method 107 | 7 |
| ESD resistance change | ΔR/R | -1 | | 1 | % | 2 kV, 2 times at 1 s interval, AEC-Q200-002 | 7 |
## CAD (KiCad official)
- Symbol: `JER2512F3R400`
- Footprint: `Resistor_SMD:R_2512_6332Metric`
- 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files: `jer2512f3r400-etched.step` / `jer2512f3r400-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jer2512f3r400.step` / `jer2512f3r400.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [jieerrui datasheet](docs/jer2512f3r400-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/jer2512f3r400-datasheet.pdf)