| Capacitance |
Should be within the specified tolerance |
NPO: (Class I)
Cap≤ 1000pF 1.0±0.2Vrms, 1MHz±10% Cap>1000pF 1.0±0.2Vrms, 1KHz±10% X7R, X5R, Y5V: (Class II)
Cap≤ 10uF 1.0±0.2Vrms, 1KHz±10%
Cap>10uF 0.5±0.1Vrms, 120Hz±10% |
(DF, tanδ) Dissipation
Factor |
NPO
(ClassⅠ) |
DF |
Capacitance |
Measuring Frequency |
Measuring Voltage |
| ≤0.56% |
Cr＜5 pF |
1MHZ±10% |
1.0±0.2Vrms |
| 1.5[(150/Cr)+7]×10-4 |
5pF≤Cr<50 pF |
| ≤0.15% |
50pF≤Cr≤1000 pF |
| ≤0.15% |
＞1000 pF |
1KHZ±10% |
X7R, X5R,Y5V:
(Class II) |
X7R
X5R (≥0402) |
≥50V |
25V |
16V |
10V |
6.3V |
Cap≤ 10uF 1.0±0.2Vrms, 1KHz±10% Cap>10uF 0.5±0.1Vrms, 120Hz±10% |
| ≤2.5% |
≤3.5%(C<0.47uF)
≤10.0%(C≥0.47uF) |
≤5%(C<0.15uF)
≤10.0%(C≥0.15uF) |
X7R
X5R (<0402) |
≤3.5% |
≤5.0% |
≤5.0%(C<0.047uF)
≤10.0%(C≥0.047uF) |
≤7.5%(C<0.047uF)
≤10.0%(C≥0.047uF) |
| Y5V |
≥25V |
16V |
10V |
6.3V |
≤7.0%(C<1.0uF)
≤9.0%(C≥1.0uF) |
≤15% |
≤15% |
≤15% |
| Insulation Resistance |
NPO
(ClassⅠ) |
C≤10 nF, Ri≥50000MΩ
C＞10 nF, Ri• CR≥500S |
Measuring Voltage: Rated Voltage（Max 500V）
Duration: 60±5s
Test Humidity: ≤75%
Test Temperature: 25℃±5℃
Test Current: ≤50mA |
X7R, X5R:
(Class II) |
C≤25 nF, Ri≥10000MΩ C＞25 nF, Ri• CR＞100S |
Y5V
(Class II) |
C≤25 nF, Ri≥4000MΩ
C＞25 nF, Ri• CR＞100S |
| Dielectric Withstanding Voltage |
No breakdown or damage |
Measuring Voltage: ClassⅠ:300% Rated voltage ClassⅡ:250% Rated voltage
Duration: 1～5s
Charge/ Discharge Current: 50mA max. (This method excludes high-voltage MLCC) |
| Solderability |
At least 95% of the terminal electrode is covered by new solder.
Visual Appearance: No visible damage. |
Preheating conditions:80 to 120℃; 10~30s. |
Solder Temperature: 235±5℃(Sn/Pb:63/37)
Duration: 2±0.5s |
Solder Temperature: 245±5℃(Lead-free)
Duration: 2±0.5s |
| Resistance to Soldering Heat |
Item |
NPO to SL |
X7R / X5R |
Y5V |
Preheating conditions: 100 to 200℃; 10±2min. Solder Temperature: 265±5℃
Duration: 10±1s
Clean the capacitor with solvent and examine it with a 10X(min.) microscope.
Recovery Time: 24±2h
Recovery condition: Room temperature |
| ΔC/C |
≤±0.5% or ±0.5PF
whichever is larger |
-5~+10% |
-10~+20% |
| DF |
Same to initial value |
| IR |
Same to initial value |
| Appearance：No visible damage. At least 95% of the terminal electrode is covered by new solder. |
| Resistance to Flexure of Substrate (Bending Strength) |
Appearance: No visible damage ΔC/C: ≤±10% |
Test Board: Al2O3 or PCB Warp: 1mm
Speed: 0.5mm/sec. Unit: mm
The measurement should be made with the board in the bending position. |
Termination
Adhesion |
No visible damage |
Applied Force: 5N
Duration: 10±1S |
| Temperature Cycle |
NPO: ΔC/C:≤±1% or ±1pF, whichever is larger. X7R/X5R: ΔC/C: ≤±10%
Y5V: ΔC/C: ≤±20% |
Preheating conditions: up-category temperature, 1h
Recovery time: 24±1h Initial Measurement
Cycling Times: 5 times, 1 cycle, 4 steps: |
| Step |
Temp.(℃) |
Time(min |
| 1 |
Low- category temp NPO/X7R/X5R : -55
Y5V: -25 |
30±3 |
| 2 |
Normal temp. (+20) |
2-3 |
| 3 |
Up- category temp NPO/X7R/ : -125
X5R /Y5V: -85 |
30±3 |
| 4 |
Normal temp. (+20) |
2-3 |
| Recovery time after test: 24±2h |
| Moisture Resistance |
NPO:
ΔC/C :≤±2% or ±1pF, whichever is larger. X7R/X5R:
ΔC/C: ≤±10% Y5V:
ΔC/C: ≤±30%
DF: Not more than twice of initial value. IR: |
Temperature：40±2℃ Humidity：90~95%RH Duration：500h
Recovery conditions：Room temperature |
|
NPO: Ri≥2500MΩ或 Ri• CR≥ 25S whichever is smaller |
Recovery Time：24h (Class1) or 48h (Class2) |
|
X7R/X5R/Y5V: Ri≥1000MΩ或 Ri• CR≥25S whichever is smaller. |
|
Appearance: No visible damage |
| Life Test |
NPO:
ΔC/C :≤±2% or ±1pF,whichever is larger. X7R/X5R
ΔC/C ≤±20% Y5V:
ΔC/C ≤±30%
DF: Not more than twice of initial value. IR:
NPO: Ri≥4000MΩ或 Ri• CR≥40S whichever is smaller
X7R/X5R/Y5V: Ri≥2000MΩ或 Ri• CR≥50S whichever is smaller. |
Low-Voltage（≤100V）
Applied Voltage: 1.5 × Rated Voltage Duration: 1000h
Temperature：125℃（NPO、X7R） 85℃（X5R、 Y5V）
Charge/ Discharge Current: 50mA max.
Recovery Conditions: Room Temperature Recovery Time: 24h (Class 1), or 48h (Class2) |
|
Appearance: No visible damage |
| Middle &high voltage Life Test |
NPO:
ΔC/C :≤±2% or ±1pF,whichever is larger. X7R/X5R
ΔC/C ≤±20% Y5V:
ΔC/C ≤±30%
DF: Not more than twice of initial value. IR:
NPO: Ri≥4000MΩ或 Ri• CR≥40S whichever is smaller
X7R/X5R/Y5V: Ri≥2000MΩ或 Ri• CR≥50S whichever is smaller. Appearance: No visible damage |
Applied Voltage:
100 V≤Rated Voltage＜500 V：2 Multiple
500 V≤Rated Voltage≤1000V：1.5 Multiple
＞1000 V Rated Voltage：1.2 Multiple Duration: 1000h
Charge/ Discharge Current: 50mA max.
Temperature：125℃（NPO X7R）；85℃（X5R、 Y5V）
Recovery Conditions: Room Temperature
Recovery Time: 24h (Class 1), or 48h (Class2) |
