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FRM252WFR004TN

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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FRM252WFR004TN

FOJAN · Current Sense Resistors / Shunt Resistors · 2512

FRM252WFR004TN 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 tolerance (code F) -1 1 % Part-number tolerance code F = ±1% 2
Temperature coefficient of resistance TCR -50 50 PPM/°C 5
Resistance change after high temperature exposure (storage) ΔR -1 1 % 170°C, 1000 h, measured 24 h after test 6
Resistance change after low temperature exposure (storage) ΔR -0.5 0.5 % -55°C, 1000 h, measured 24 h after test 6
Resistance change after temperature cycling ΔR -0.5 0.5 % 1000 cycles, -55°C to 125°C 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 % 24 h per cycle, 10 cycles, zero power 6
Resistance change after biased humidity ΔR -0.5 0.5 % 10% rated power, 85°C, RH 85%, 1000 h 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°C solder, 10±1 s dwell 7
Resistance change after mechanical shock ΔR -0.5 0.5 % 100 g, 6 ms half sine 7
Resistance change after vibration ΔR -0.5 0.5 % 5 g, 10-2000 Hz, 20 min, 12 cycles 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 test ΔR -1 1 % Direct contact ±6 kV; air discharge +12 kV, +16 kV, +25 kV 7
Operating temperature range -55 170 °C Printed operating temperature range for 2512 and 2512-L 5
Dielectric withstanding voltage 500 V DC Insulation withstanding voltage as printed in features 2
Nominal resistance (2512 range 1680 mΩ, 2512-L range 0.54 mΩ; 4 mΩ within both) R 4 mΩ Kelvin four-terminal sensing at bottom test points 5
Power rating 2 W Power rating at P70 5
Rated current 63 A Rated current for 2512 and 2512-L 5
Max overload current 141 A Max overload current for 2512 and 2512-L 5

CAD (KiCad official)

  • Symbol: FRM252WFR004TN
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: frm252wfr004tn-etched.step / frm252wfr004tn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); frm252wfr004tn.step / frm252wfr004tn.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