PCB Flexure Comparison Testing NMC Standard NMCP Soft

PCB Flexure Comparison Testing NMC Standard & NMC-P Soft Terminal Ceramic Chip Capacitor MLCCs Ceramic Capacitors www. niccomp. com/ceramic Specification: NMC-P series www. niccomp. com/catalog/nmcp. pdf FREE Samples: www. niccomp. com/samples Technical Support: tpmg@niccomp. com

NMC vs. NMC-P in PCB Flexure Testing PCB Flexure Comparison Testing NMC standard & NMC-P Soft Terminal Ceramic Chip Capacitor MLCCs Test PCB Deflection: 1. 0 mm, 1. 5 mm, 2. 0 mm, 3. 0 mm, 4. 0 mm, 5. 0 mm, 6. 0 mm, 7. 0 mm, 8. 0 mm, 9. 0 mm, 10. 0 mm Test Samples: n= 10 pieces • Monitor 1 KHz Capacitance Value / Failure Criteria = ∆C of ≥± 12. 5% Case Size (Cap / Voltage) 0805 (0. 1 u. F / 100 V) PCB Deflection 1. 0 mm 1. 5 mm 2. 0 mm 3. 0 mm 4. 0 mm 5. 0 mm 6. 0 mm 7. 0 mm 8. 0 mm 9. 0 mm 10. 0 mm Percentage Failures NMC Series NMC-P Series (Standard Terminal) (Polymer Soft Terminal) PN: NMC 0805 X 7 R 104 K 100 PN: NMC-P 0805 X 7 R 104 K 100 0 / 10 (No Failures) 0 / 10 (No Failures) 10% 0 / 10 (No Failures) 30% 0 / 10 (No Failures) 80% 0 / 10 (No Failures) 90% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) 10 out of 10 failures by 7. 0 mm deflection No failures to 10 mm deflection Page 2

NMC vs. NMC-P in PCB Flexure Testing PCB Flexure Comparison Testing NMC standard & NMC-P Soft Terminal MLCCs Case Size (Cap / Voltage) 1206 (0. 01 u. F / 500 V) 1210 (1. 0 u. F /100 V) PCB Deflection 1. 0 mm 1. 5 mm 2. 0 mm 3. 0 mm 4. 0 mm 5. 0 mm 6. 0 mm 7. 0 mm 8. 0 mm 9. 0 mm 10. 0 mm Percentage Failures NMC Series NMC-P Series (Standard Terminal) (Polymer Soft Terminal) PN: NMC 0805 X 7 R 104 K 100 PN: NMC-P 0805 X 7 R 104 K 100 PN: NMC 1206 X 7 R 103 K 500 PN: NMC-P 1206 X 7 R 103 K 500 0 / 10 (No Failures) 20% 0 / 10 (No Failures) 80% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) PN: NMC 1210 X 7 R 105 K 100 PN: NMC-P 1210 X 7 R 105 K 100 0 / 10 (No Failures) 0 / 10 (No Failures) 0 / 10 (No Failures) 0 / 10 (No Failures) 10% 0 / 10 (No Failures) 50% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) 10 out of 10 failures by 4. 0 mm (1206) & 9. 0 mm (1210) deflection No failures to 10 mm deflection Page 3

NMC vs. NMC-P in PCB Flexure Testing PCB Flexure Comparison Testing NMC standard & NMC-P Soft Terminal MLCCs Case Size (Cap / Voltage) 2220 (2. 2 u. F / 25 V) PCB Deflection 1. 0 mm 1. 5 mm 2. 0 mm 3. 0 mm 4. 0 mm 5. 0 mm 6. 0 mm 7. 0 mm 8. 0 mm 9. 0 mm 10. 0 mm Percentage Failures NMC Series NMC-P Series (Standard Terminal) (Polymer Soft Terminal) PN: NMC 2220 X 7 R 225 K 25 PN: NMC-P 1206 X 7 R 225 K 25 0 / 10 (No Failures) 20% 0 / 10 (No Failures) 60% 0 / 10 (No Failures) 90% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) 100% 0 / 10 (No Failures) 10 out of 10 failures by 5. 0 mm deflection No failures to 10 mm deflection Page 4

NMC vs. NMC-P in PCB Flexure Testing PCB Flexure Comparison Testing NMC standard & NMC-P Soft Terminal MLCCs Cross-Sectional Analysis Comparison After de-mounting from test PCB, performed cross-sectional comparison to allow inspection of internal structure NMC Series NMC-P Series PCB flexure MLCC cracking Low IR, Short failure mode Summary: § All standard terminal (NMC series) samples exhibited failure under PCB flexure testing § Failure mode defined as capacitance decrease ≥ 12. 5% and low insulation resistance (IR) § Cracking in ceramic microstructure (as shown in above image, left) is cause of the failure § None of the NMC-P series (polymer soft terminal) exhibited failure § No cracking was observed in NMC-P series (polymer soft terminal) Page 5

NMC vs. NMC-P in PCB Flexure Testing Polymer Layer – Open Circuit Function Example of polymer layer terminal separation (open circuit) for NMC-P Series (Polymer Soft Terminal) under 10 mm PCB deflection PCB Deflection: 1. 0 mm, 1. 5 mm, 2. 0 mm, 3. 0 mm, 4. 0 mm, 5. 0 mm, 6. 0 mm, 7. 0 mm, 8. 0 mm, 9. 0 mm, 10. 0 mm Test Samples: n= 10 pieces Monitor 1 KHz Capacitance Value / Failure Criteria = ∆C of ≥± 12. 5% Case Size (Cap / Voltage) 1812 (0. 47 u. F / 250 V) PCB Deflection 1. 0 mm 1. 5 mm 2. 0 mm 3. 0 mm 4. 0 mm 5. 0 mm 6. 0 mm 7. 0 mm 8. 0 mm 9. 0 mm 10. 0 mm Percentage Failures NMC Series NMC-P Series (Standard Terminal) (Polymer Soft Terminal) PN: NMC 1812 X 7 R 474 K 250 P 1812 X 7 R 474 K 250 0 / 10 (No Failures) 0 / 10 (No Failures) 10% 0 / 10 (No Failures) 40% 0 / 10 (No Failures) 70% 0 / 10 (No Failures) 80% 0 / 10 (No Failures) 90% 0 / 10 (No Failures) 100% 2 / 10 (Open Circuit) 10 out of 10 failures by 8. 0 mm deflection DPA of Failed Sample No failures to 9 mm deflection 2 out of 10 failures at 10 mm deflection Page 6

NMC vs. NMC-P in PCB Flexure Testing Polymer Layer – Open Circuit Function Example of polymer layer terminal separation (open mode) for NMC-P Series (Polymer Soft Terminal) under 10 mm PCB deflection Cross-Sectional Analysis Magnified view Polymer layer opened under 10 mm PCB deflection Component is undamaged PCB flexure Open failure mode Page 7

Resources Specification: NMC-P series www. niccomp. com/catalog/nmcp. pdf Quick Builder, component selection made easy: www. niccomp. com/QB-ceramic FREE Samples: www. niccomp. com/samples NIC Contacts: Sales support: ___________ Technical support: tpmg@niccomp. com Page 8