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FRM252WJR004TN

Public Made by Adom

by adom

FOJAN 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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FRM252WJR004TN

FOJAN · Current Sense Resistors / Shunt Resistors · 2512

FRM252WJR004TN from FOJAN, 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 FOJAN
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 range (2512 standard) R 1 680 mΩ 5
Resistance tolerance (code J) -5 5 % 2
Temperature coefficient of resistance TCR -50 50 PPM/℃ 5
Rated power 2 W at P70 5
Rated current 63 A 5
Max overload current 141 A 5
Operating temperature range T -55 170 °C 5
Dielectric withstanding voltage 500 V DC 2
Resistance change after high temperature exposure (storage) ΔR -1 1 % T=170℃, 1000 hrs, measured 24 hrs after test 6
Resistance change after low temperature exposure (storage) ΔR -0.5 0.5 % T=-55ºC, 1000 hours, measured 24 hrs after test 6
Resistance change after temperature cycling ΔR -0.5 0.5 % 1000 cycles (-55℃ to 125℃), measured 24 hrs after test 6
Resistance change after short time overload ΔR -0.5 0.5 % 5 X rated power for 5 s 6
Resistance change after moisture resistance ΔR -1 1 % T=24 hours/cycle, 10 cycles 6
Resistance change after biased humidity ΔR -0.5 0.5 % 10% rated power at 85℃, RH 85%, 1000 hrs 6
Resistance change after load life ΔR -1 1 % 1000 h at +70 °C, 1.5 h ON, 0.5 h OFF 7
Resistance change after resistance to soldering heat ΔR -0.5 0.5 % 260±5℃ solder, 10±1 s dwell 7
Resistance change after mechanical shock ΔR -0.5 0.5 % 100g's, 6 ms half sine 7
Resistance change after vibration ΔR -0.5 0.5 % 5g's, 10-2000Hz, 20 min, 12 cycles per axis 7
Resistance change after board flex ΔR -0.5 0.5 % Min 2 mm deflection, 60 s 7
Resistance change after thermal shock ΔR -1 1 % -55°C/+155°C, 1000 cycles 7
Resistance change after ESD ΔR -1 1 % Direct contact ±6kV; air discharge +12kV, +16k, +25kV 7
Nominal resistance (code R004) R 4 mΩ 6

CAD (KiCad official)

  • Symbol: FRM252WJR004TN
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: frm252wjr004tn-etched.step / frm252wjr004tn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); frm252wjr004tn.step / frm252wjr004tn.glb are the bare package body.

Provenance

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

  • Datasheet: FOJAN datasheet (12 pp, sha256 13a1c74e6b23cc10, 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