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FRM252WFR010TN

FOJAN · Current Sense Resistors / Shunt Resistors · 2512

FRM252WFR010TN 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 % 2
Temperature coefficient of resistance (T.C.R.) -50 50 PPM/℃ Measuring points 25°C and +125°C, reference point +25°C 5
Resistance range (2512, standard, non-L) 1 680 mΩ Type 2512 (not 2512-L) 5
Operating temperature range -55 170 ℃ 5
Max overload current 141 A Type 2512 5
Change in resistance after high temperature exposure (storage) △R -1 1 % T=170℃, 1000hrs, measurement at 24hrs after test conclusion 6
Change in resistance after low temperature exposure (storage) △R -0.5 0.5 % T=-55ºC, 1000 hours, measurement at 24hrs after test conclusion 6
Change in resistance after temperature cycling △R -0.5 0.5 % 1000 cycle (-55℃ to 125℃), measurement at 24hrs after test conclusion 6
Change in resistance after short time overload △R -0.5 0.5 % 5 X rated power for 5s 6
Change in resistance after moisture resistance △R -1 1 % T=24 hours / Cycle, 10 Cycles 6
Change in resistance after biased humidity △R -0.5 0.5 % 10% rated power at 85℃, RH 85%, 1000Hrs, measurement at 24hrs after test conclusion 6
Change in resistance after load life △R -1 1 % 1000 h at +70 °C, 1.5 h ON, 0.5 h OFF, measurement at 24hrs after test conclusion 7
Change in resistance after resistance to soldering heat △R -0.5 0.5 % T=260±5℃ solder, 10±1 sec dwell 7
Change in resistance after mechanical shock △R -0.5 0.5 % 100g's, normal duration 6ms, half sine shock pulse 7
Change in resistance after vibration △R -0.5 0.5 % 5g's for 20min, 12 cycles, 10-2000Hz 7
Change in resistance after board flex △R -0.5 0.5 % Min 2mm deflection, 60sec 7
Change in resistance after thermal shock △R -1 1 % -55°C/+155°C, 1000 cycles, max transfer time 20 seconds, dwell time 15 minutes 7
Change in resistance after ESD △R -1 1 % Direct Contact ±6kV; Air Discharge +12kV, +16kV, +25kV 7
Power rating 2 W at P70, Type 2512 5
Rated current 63 A Type 2512 5

CAD (KiCad official)

  • Symbol: FRM252WFR010TN
  • Footprint: Resistor_SMD:R_2512_6332Metric
  • 3D model: 2512 (KiCad packages3D, STEP)
  • 3D model files: frm252wfr010tn-etched.step / frm252wfr010tn-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); frm252wfr010tn.step / frm252wfr010tn.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