component
FPM253WFR003TML
Public Made by Adomby 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFPM253WFR003TML
FOJAN · Current Sense Resistors / Shunt Resistors · 2512
FPM253WFR003TML 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-L) | 0.5 | 4 | mΩ | 2512-L type; this MPN (R003 = 3 mΩ) falls inside the range | 4 | ||
| Resistance tolerance (code F) | -1 | 1 | % | Tolerance code F = ±1% per part-numbering table | 2 | ||
| Temperature coefficient of resistance (TCR) | -50 | 50 | ppm/°C | 4 | |||
| Operating temperature range | -55 | 170 | °C | 2512-L type | 4 | ||
| Max overload current | 122 | A | 2512-L type | 4 | |||
| High temperature exposure (storage) resistance change | ΔR | -1 | 1 | % | T=170℃, 1000 hrs, measurement at 24 hrs after test | 5 | |
| Low temperature exposure (storage) resistance change | ΔR | -0.5 | 0.5 | % | T=-55ºC, 1000 hours, measurement at 24 hrs after test | 5 | |
| Temperature cycling resistance change | ΔR | -0.5 | 0.5 | % | 1000 cycles (-55℃ to 125℃), measurement at 24 hrs after test | 5 | |
| Short time overload resistance change | ΔR | -0.5 | 0.5 | % | 5 X rated power for 5 s | 5 | |
| Moisture resistance resistance change | ΔR | -1 | 1 | % | 24 hours/cycle, 10 cycles; steps 7a & 7b | 5 | |
| Biased humidity resistance change | ΔR | -0.5 | 0.5 | % | 10% rated power at 85℃, RH 85%, 1000 Hrs, measurement at 24 hrs after test | 6 | |
| Load life resistance change | ΔR | -1 | 1 | % | 1000 h at +70 °C, 1.5 h ON, 0.5 h OFF | 6 | |
| Resistance to soldering heat resistance change | ΔR | -0.5 | 0.5 | % | T=260±5℃ solder, 10±1 sec dwell | 6 | |
| Mechanical shock resistance change | ΔR | -0.5 | 0.5 | % | 100 g's, normal duration 6 ms, half sine shock pulse | 6 | |
| Vibration resistance change | ΔR | -0.5 | 0.5 | % | 5 g's for 20 min, 12 cycles, 10-2000 Hz | 6 | |
| Board flex resistance change | ΔR | -0.5 | 0.5 | % | Min 2 mm deflection, 60 sec | 6 | |
| Thermal shock resistance change | ΔR | -1 | 1 | % | -55°C/+155°C, 1000 cycles | 6 | |
| ESD resistance change | ΔR | -1 | 1 | % | Direct contact ±6 kV; air discharge +12 kV, +16 kV, +25 kV | 6 | |
| Nominal resistance | 3 | mΩ | Decoded from marking code R003 per part-numbering table (R001=1mΩ, R050=50mΩ pattern) | 2 | |||
| Power rating | 3 | W | Power rating at P70 (70 °C), 2512-L type | 4 | |||
| Rated current | 54 | A | 2512-L type; single printed value, no min/max stated | 4 |
CAD (KiCad official)
- Symbol:
FPM253WFR003TML - Footprint:
Resistor_SMD:R_2512_6332Metric - 3D model: 2512 (KiCad packages3D, STEP)
- 3D model files:
fpm253wfr003tml-etched.step/fpm253wfr003tml-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);fpm253wfr003tml.step/fpm253wfr003tml.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FOJAN datasheet (11 pp, sha256
20558dfb235c52df, 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, primarytwo-terminal convention(convention), consensusoff(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).