| No. | Item | Charateristics | Testing Method (GB 2693-2001 GB／T9322-88) |
| 1 | Outlook and Size | No visible damage and in accordance with the size requirements, see Table 2 | Visual inspection and gage inspection |
| 2 | Marks | in accordance to No.7 | |
| 3 | Capacitance | Meet tolerance requirement | Testing temperature 25℃, Frequency 1±0.2KHz Voltage 1Vmax |
| 4 | Loss Tangent | Y5P(B)≤250×10-4 BN≤50×10 Y5V(F)≤350×10-4 | Testing method is the same to that for capacitance |
| 5 | Insulation Resistance | RI＞4000MΩ | 500VDC,charging time 60±5S |
| 6 | Withstand Voltage | Between terminal | Without failure | Add voltage 1.5UR+500V to between lead terminals for DC voltage 2S,no arcing and breakdown, leakage current ＜50mA |
| Coating | Without failure | The two leads are short circuited, the capacitance is placed in a steel ball with a diameter of 1mm, and the root is exposed for 2mm. Add 1500V DC voltage between the lead and the steel ball for 5S. |
| 7 | Temperature characteristics | Without adding voltage | Y5P(B),BN:±10％ | Step | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Adding voltage | Y5P(B),BN:＋10％／－15％ | Temp. ℃ | 20±2 | -25±3 | 20±2 | 85±2 | 85±2 | 20±2 | -25±2 |
| UR | / | / | / | / | Rated | Rated | Rated |
| 8 | Lead strength | No damage | Fix the capacitor and apply force. Apply force of 10N when the lead diameter is more than 0.5mm and 5N when the lead diameter is less than 0.5mm. Keep it for 10 ± 1s, and the lead out end bears secondary bending |
| 9 | Resistance to welding heat | Outlook | No damage | Soldering temperature 245±5℃, time 5±0.5S, The insertion depth is 2.5mm away from the porcelain body, and the insertion speed is 1s. Measure 24 ± 2h after the test |
| ΔC/C | Y5P(B),BN≤±10％ Y5V(F)≤±20％ |
| 10 | Vibration | Outlook | No damage | Frequency 10～500Hz, amplitude 0.75mm, time 6h, 2h in each direction, three directions. |
| Capacitance | Meet tolerance requirement |
| 11 | Steady Damp Heat | Outlook | No damage, clear remark | Time 500＋２４ｈ－０ｈ, temperature 40±2℃, Humidity 90～95%,after testing,resume to room temperature a to Test after 24 hrs. |
| ΔC/C | Y5P(B),BN≤±10％ Y5V(F)≤±30％ |
| Loss tangent | Y5P(B) ≤400×10-4 BN≤150×10-4 Y5V(F)≤700×10-4 |
| Insulation Resistance | ≥1000MΩor RI*CR≥25s which smaller |
| 12 | Durability | Outlook | No damage, clear remark | The temperature is 85 ± 2 ℃, the duration is 1000h, the test is completed with 1.5 times of rated voltage (DC), and the room temperature is restored to 24h ± 2H for measurement. |
| ΔC/C | Y5P(B),BN, Y5V(F)≤30% |
| Loss Tangent | Y5P(B)≤400×10-4 BN≤150×10-4 Y5V(F)≤700×10-4 |
| Insulation Resistance | ≥2000MΩ or Ri*CR≥25s which smaller |
| 13 | Lead solderability | Wet the solder at the lead out end and flow freely to show that the tin coating is good | After the capacitor lead is immersed in 25% alcohol rosin solution, it is immersed in soldering tin with melting temperature of 260 ± 5 ℃ for 2 ± 0.5s, and the immersion depth is 2 ~ 2.5mm away from the porcelain body |
