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JER2512F2R003L

Public Made by Adom

by 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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JER2512F2R003L

jieerrui · Current Sense Resistors / Shunt Resistors · 2512

JER2512F2R003L 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 of the 3 mΩ (R003) 2512 large-electrode alloy current-sense resistor, 2 W rated, 1% tolerance, electrode width 2.20±0.20 mm, operating range -55°C to +170°C.
2 2 passive Second terminal of the 3 mΩ (R003) 2512 large-electrode alloy current-sense resistor, interchangeable with the first; power derates linearly above 70°C ambient.

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
Nominal resistance R 3 mΩ Part code R003 (page 1 marking table: R003 = 3mΩ) 1
Resistance tolerance -1 1 % Tolerance code F = 1% 1
Rated power 2 W Code 2 = 2W (2512 rated power 2W/3W column) 2
Temperature coefficient of resistance TCR -50 50 ppm/℃ 2512, 2W/3W, resistance range 2mΩ~500mΩ (IEC 60115-1 4.8) 2
Resistance range R 0.5 500 mΩ 2512, 2W/3W column 2
Insulation resistance 100 MΩ 2
Operating temperature range -55 170 ℃ 3
Short time overload resistance change ΔR% -1 1 % 5.0× rated power for 5 s; ΔR%=(R2-R1)/R1×100% 6
Temperature cycling resistance change ΔR% -1 1 % -55℃/+125℃, 1000 cycles; measured 24±4 h after test 6
High temperature exposure resistance change ΔR% -1 1 % 125℃, 1000 h; measured 24±4 h after test 6
Low temperature operation resistance change ΔR% -1 1 % -55℃, 45 min 6
Biased humidity resistance change ΔR% -1 1 % 10% of operating power, 85℃/85%RH, 1000 h; measured 24±4 h after test 6
Resistance to solder heat resistance change ΔR% -1 1 % 260±5℃ solder bath, 10±1 s 6
Operational life resistance change ΔR% -1 1 % 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 +48/-0 h 7
Vibration resistance change ΔR% -1 1 % 5g, 10-2000 Hz, 12 cycles, 20 min 7
Mechanical shock resistance change ΔR% -1 1 % 100g, 6 ms half sine 7
Thermal shock resistance change ΔR% -1 1 % -55/+125℃, 300 cycles, devices mounted 7
ESD resistance change ΔR% -1 1 % 2 kV, 2 times, 1 s interval 7

CAD (KiCad official)

  • Symbol: JER2512F2R003L
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: jer2512f2r003l-etched.step / jer2512f2r003l-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jer2512f2r003l.step / jer2512f2r003l.glb are the bare package body.

Provenance

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

  • Datasheet: jieerrui datasheet (7 pp, sha256 6c0d359d39546b43, retrieved 2026-10-26, 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