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6. Motor Current Shunt Resistor Selection

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SMS-R100-1.0
Component
DigiKey Part No4423-SMS-R100-1.0TR-ND
Mfr Part NoSMS-R100-1.0
ManufacturerIsabellenhuette USA

RESISTOR - ISA-PLAN SHUNT, 0.1,

100 mOhms ±1% 5W Chip Resistor 2512 (6332 Metric) Automotive AEC-Q200, Current Sense, Moisture Resistant, Pulse Withstanding

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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: 5W, exceeds the minimum required ≥1W and provides strong dissipation margin for a 2A motor current shunt.
✅ Type: Listed with Current Sense feature, matching the application requirement.
✅ Package: 2512 (6332 Metric), matches the required package.
✅ Mounting type: The product is a chip resistor in the Chip Resistor - Surface Mount category, satisfying the surface mount requirement.
✅ Temperature coefficient: ±50ppm/°C, better than the required ±100ppm/°C or better.
✅ Operating temperature range: -65°C to 170°C, wider than the required -55°C to +125°C.
✅ RoHS compliance: ROHS3 Compliant, satisfies the RoHS requirement.
All required specifications are satisfied, so this component is approved for the motor current sensing application.
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