4. Replace Through-Hole with SMD Resistor

Technical Evaluation of Selected SMD Resistor (KOA Speer RK73B2BRTTD103J):

• Resistance: 10kΩ ✅
• Tolerance: ±5% ✅
• Power Rating: 0.25W (1/4W) ✅
• Type: Thick Film ✅
• Package: 1206 ✅
• Mounting Type: Surface Mount ✅
• Operating Temperature Range: −55°C to +125°C ✅
• RoHS Compliance: Yes (ROHS3 Compliant) ✅

All required specifications are matched. The selected SMD resistor is a technically suitable replacement for the specified through-hole resistor. All requirements are satisfied, and the component is approved for use in your retrofit application.