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Contents

README

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JER2512F2R020

jieerrui · Current Sense Resistors / Shunt Resistors · 2512

JER2512F2R020 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%) -1 1 % MPN letter F = ±1% 1
Temperature coefficient (TCR) -50 50 ppm/℃ 2512, 2mΩ~500mΩ resistance range (includes 20mΩ) 2
Resistance range (2512) 0.5 500 mΩ 2512 row of resistance range table 2
Insulation resistance 100 MΩ 2
Rated power (2512, 2W option) 2 W Derate per power curve when ambient above 70℃ 2
Operating temperature range -55 170 ℃ Operating ambient; power derated above 70℃ 3
Short time overload resistance change ΔR% -1 1 % 5.0× rated power, 5 s 6
Temperature cycling resistance change ΔR% -1 1 % -55℃/+125℃, 1000 cycles, measured 24±4 h after 6
High temperature exposure resistance change ΔR% -1 1 % 125℃, 1000 h 6
Low temperature operation resistance change ΔR% -1 1 % -55℃, 45 min 6
Biased humidity resistance change ΔR% -1 1 % 10% operating power, 85℃/85%RH, 1000 h 6
Operational life resistance change ΔR% -1 1 % 70±2℃, rated current, 1000 +48/-0 h 7
Vibration resistance change ΔR% -1 1 % 5g, 10-2000 Hz, 12 cycles 7
Resistance to solder heat resistance change ΔR% -1 1 % 260±5℃, 10±1 s 7
Terminal bending resistance change ΔR% -1 1 % 2 mm deflection, 60 s 7
Mechanical shock resistance change ΔR% -1 1 % 100g, 6 ms half sine 7
Terminal strength resistance change ΔR% -1 1 % 17.7 N, 60±1 s 7
Thermal shock resistance change ΔR% -1 1 % -55/+125℃, 300 cycles 7
ESD resistance change ΔR% -1 1 % 2 kV, 2 times 7
Nominal resistance R 20 mΩ Part code R020 = 20 mΩ 1

CAD (KiCad official)

  • Symbol: JER2512F2R020
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: jer2512f2r020-etched.step / jer2512f2r020-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jer2512f2r020.step / jer2512f2r020.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 2026-10-17, 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, primary two-terminal convention (convention), consensus off (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