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6. Motor Current Shunt Resistor Selection

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WSL2512R1000FEA
Component
DigiKey Part NoWSLG-.10TR-ND
Mfr Part NoWSL2512R1000FEA
ManufacturerVishay Dale

RES 0.1 OHM 1% 1W 2512

100 mOhms ±1% 1W Chip Resistor 2512 (6332 Metric) Anti-Sulfur, Automotive AEC-Q200, Current Sense, Moisture Resistant, Pulse Withstanding Metal Element

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EW

Response By EW AI

✅ Resistance: 100 mOhms = 0.1Ω, matches the required value.
✅ Tolerance: ±1%, meets the requirement of ±1% or tighter.
✅ Power rating: 1W, meets the minimum ≥1W requirement. For a 2A motor current through 0.1Ω, shunt dissipation is 0.4W, so the rating is adequate.
✅ Type: Listed with Current Sense feature, matches requirement.
✅ Package: 2512 (6332 Metric), matches required 2512 size.
✅ Mounting type: The product is a chip resistor in the Chip Resistor - Surface Mount category, satisfying the Surface Mount requirement.
✅ Temperature coefficient: ±75ppm/°C, better than the required ±100ppm/°C maximum.
✅ Operating temperature range: -65°C to 170°C, wider than the required -55°C to +125°C.
✅ RoHS compliance: ROHS3 Compliant, satisfies requirement.
All required specifications are satisfied. This component is approved for the motor current shunt resistor application.
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