| Appearance | No defects or abnormalities. | Visual (Microscope) inspection of the product. |
| Dimension | Conforms to specifications. | Check the physical dimensions of the equipment using a micrometer. |
| Voltage Proof | Withstand test voltage, no defects or abnormalities. | Material: X7R/X5R. Rated Voltage (RV) 50V: Test Voltage 250% RV. Test Time: 1 to 5 seconds. Max Charging/Discharging Current: 50mA. |
| Insulation Resistance (I.R.) | 100M | Test Temperature: 25. Test Points: Between terminals. Test Voltage: 500V: Rated Voltage; >500V: 500V. Charging Time: 1 minute. Max Charging/Discharging Current: 50mA. |
| Capacitance | Within specified tolerance. | Measurement Temperature: 25. Material: X5R. Capacitance: 4.7F. Frequency: 120Hz24Hz. Voltage: 0.5V0.1Vrms. |
| Q Factor / Dissipation Factor (D.F.) | C > 10F: 5.0% | Measurement Temperature: 25. Frequency: 120Hz24Hz. Voltage: 0.5V0.1Vrms. |
| Temperature Characteristics of Capacitance | X5R: 15% | Steps: 1. Reference Temp: 252; 2. Lowest Operating Temp: 3; 3. Reference Temp: 252; 4. Highest Operating Temp: 2; 5. Reference Temp: 252. Measurement should be taken after 5 minutes at each specified temperature stage. |
| Adhesive Strength of Termination | No termination peeling, ceramic breakage, etc. | Mounting Method: Solder capacitor onto test substrate. Force: 5 N (0402: 2.5 N / 0201: 1 N). Application Direction: Gradually apply thrust in the horizontal direction of the P.C. board at the center of the specimen. Time: 101 seconds. |
| Substrate Bending Test | Appearance: No defects or abnormalities. C/C X7R/X5R: 10% | Mounting Method: Reflow solder capacitor on P.C. board, then bend by 1 mm. |
| Solderability | 95% of terminals should be uniformly and continuously soldered. | Solder: Sn-3.0Ag-0.5Cu (Lead-free solder). Flux: Isopropyl alcohol Rosin 25% solid solution. Soldering Temperature: 2455C. Dwell Time: 20.5s. Soldering Position: Until both ends are completely wetted. |
| Resistance to Soldering Heat | Appearance: No cracks. Capacitance Change: X7R/X5R 7.5%. Q/DF: Same as initial value. Insulation Resistance: Same as initial value. Voltage Proof: No defects or abnormalities. | Pre-treatment: Heat treatment at 150+0/-10C for 1 hour, then stand at room temperature for 242 hours. Solder bath method. Solder Type: Sn-3.0Ag-0.5Cu. Test Temperature: 2605C. Test Time: 101s. Preheating Temp: 110 to 140. Preheating Time: 1 minute. Post-treatment: Stand at room temperature for 242 hours. |
| Temperature Cycle | Appearance: No defects or abnormalities. Capacitance Change: X7R/X5R 7.5%. Q/DF: Same as initial value. Insulation Resistance: Same as initial value. | Mounting Method: Solder capacitor onto test substrate. Pre-treatment: Heat treatment at 150+0/-10C for 1 hour, then stand at room temperature for 242 hours. Temperature Cycle: 5 cycles. Steps: 1. Min Temp 3 (303 min); 2. Room Temp (2~5 min); 3. Max Temp 3 (303 min); 4. Room Temp (2~5 min). Post-treatment: Stand at room temperature for 242 hours. |
| High Temperature High Humidity (Load) | Appearance: No defects or abnormalities. Capacitance Change: X5R/X7R 12.5%. Q/DF: 16V: 7% or 2x initial value; 25V: 5% or 2x initial value (whichever is greater). Insulation Resistance: 500M or R.C5s (whichever is smaller). | Mounting Method: Reflow solder capacitor on P.C. board. Pre-treatment: Heat treatment at 150+0/-10C for 1 hour, then stand at room temperature for 242 hours. Test Temperature: 402. Test Humidity: 90%RH to 95%RH. Test Time: 50024 hours. Test Voltage: Rated voltage (not exceeding 630V). Voltage Conditioning: Apply voltage for 1 hour at test temp/voltage, then condition at ambient for 242 hours before measurement. |
| Life Test | Appearance: No defects or abnormalities. Capacitance Change: X5R/X7R 12.5%. Q/DF: 16V: 7% or 2x initial value; 25V: 5% or 2x initial value (whichever is greater). Insulation Resistance: X5R/X7R: 1G or R.C50s (whichever is smaller). | Mounting Method: Solder capacitor onto test substrate. Pre-treatment: Heat treatment at 150+0/-10C for 1 hour, then stand at room temperature for 242 hours. Test Temperature: Max operating temp 3. Test Time: 100012 hours. Test Voltage (Life): 100% R.V. Voltage Conditioning: Apply voltage for 1 hour at test temp/voltage, then condition at ambient for 242 hours before measurement. |