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FMF25FPKR020-LH

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PSA Prosperity Dielectrics Current Sense Resistors / Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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FMF25FPKR020-LH

PSA Prosperity Dielectrics · Current Sense Resistors / Shunt Resistors · 2512

FMF25FPKR020-LH from PSA Prosperity Dielectrics, 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 PSA Prosperity Dielectrics
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 (FMF25 2512, code R020) 20 mΩ Part-number value R020 = 20 mΩ, Standard 3W row of Table B 5
Resistance tolerance (F = ±1%) -1 1 % Tolerance code F in MPN 5
Temperature coefficient of resistance (Standard, 20 mΩ) TCR -50 50 ppm/℃ TCR Hot, +25 to +155℃ (Table B Standard 3W row for 20 mΩ) 5
Rated power at 70℃ P 3 W Rating 70℃; surface temperature must not exceed 105℃ at full rated power; solder pad and trace >300 mm² 5
Max working current (Standard 3W row) 24.5 A Standard 3W row, printed as 24.5A (812mV) 5
Max working voltage (Standard 3W row) 812 mV Standard 3W row, printed as 24.5A (812mV) 5
Max overload current (Standard 3W row) 54.8 A Standard 3W row, printed as 54.8A (1817mV) 5
Max overload voltage (Standard 3W row) 1817 mV Standard 3W row, printed as 54.8A (1817mV) 5
Operating temperature range -55 170 ℃ Operating Temperature Range 3
Insulation resistance (termination to coating) 1000 MΩ Test voltage 100±15V, IEC 60115-1 4.6 9
High temperature exposure ΔR (F variant) ΔR -1 1 % 1000 h @170℃ unpowered; measured 24±2 h after test 7
Temperature cycling ΔR (F variant), plus ±1 mΩ absolute term ΔR -0.5 0.5 % 1000 cycles -55℃ to +125℃ 7
Moisture resistance ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -0.5 0.5 % 65℃/80-100%RH, 10 cycles 7
Biased humidity ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -1 1 % 1000 h, 85℃/85%RH, 10% of operating power 7
Operational life ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -1 1 % 1000 h @ TA=125℃ at specified rated power 7
Resistance to solder heat ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -0.5 0.5 % Solder dipping 270℃±5℃ for 10 s ±1 s 8
Thermal shock ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -0.5 0.5 % -55 to 155℃, dwell 15 min, 300 cycles 8
ESD ΔR, plus ±0.5 mΩ absolute term ΔR -1 1 % Test contact min. 1 kV, AEC-Q200-002 8
Board flex ΔR (F variant), plus ±1 mΩ absolute term ΔR -0.5 0.5 % Bending 2 mm, 2512 board 8
Short time overload ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -1 1 % 5 × rated power for 5 s 9
Load life humidity ΔR (F variant), plus ±0.5 mΩ absolute term ΔR -1 1 % 40±2℃, 90-95% RH, DC rated voltage, 1.5 h ON / 30 min OFF, 1000 h 9
Load life ΔR (F variant, 70℃ cycle), plus ±0.5 mΩ absolute term ΔR -1 1 % Rated voltage 1.5 h on, 0.5 h pause at 70±2℃, 1000 h 9

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper Item Protective Molding Resistive Element Internal Terminal External Terminal Material Resin Alloy Metal Copper Solder 3

CAD (KiCad official)

  • Symbol: FMF25FPKR020-LH
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: fmf25fpkr020-lh-etched.step / fmf25fpkr020-lh-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fmf25fpkr020-lh.step / fmf25fpkr020-lh.glb are the bare package body.

Provenance

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

  • Datasheet: PSA Prosperity Dielectrics datasheet (11 pp, sha256 30a8b45add085187, retrieved 2026-10-17, tier: lcsc)
  • 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