Multilayer Ceramic Capacitors
Approval Sheet
No.
Item
Test Condition
Requirements
* Conduct the five cycles according to the temperatures and
time.
12. Temperature
Cycle
* No remarkable damage.
* Cap change:within ±2.5% or ±0.25pF whichever is larger.
Step
Temp. (°C)
Min. operating temp. +0/-3
Room temp.
Time (min.)
30±3
* Q/D.F., I.R. and dielectric strength: To meet initial requirements.
1
2
3
4
2~3
Max. operating temp. +3/-0
Room temp.
30±3
2~3
* Cap. / DF(Q) / I.R. Measurement to be made after de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
13. Humidity
(Damp Heat)
Steady State
* Test temp.: 40±2°C
* No remarkable damage.
* Humidity: 90~95% RH
* Cap change: within ±5.0% or ±0.5pF whichever is larger.
* Q/D.F. value:
* Test time: 500+24/-0hrs.
* Cap. / DF(Q) / I.R. Measurement to be made after de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
NP0: Cap≥30pF, Q≥350; 10pF≤Cap<30pF, Q≥275+2.5C
Cap<10pF; Q≥200+10C
* I.R.: ≥1GΩor RxC≥50Ω-F whichever is smaller.
* No remarkable damage.
14. Humidity
(Damp Heat)
Load
* Test temp.: 40±2°C
* Humidity: 90~95%RH
* Cap change: within ±7.5% or ±0.75pF whichever is larger.
* Q/D.F. value:
* Test time: 500+24/-0 hrs.
* To apply voltage:rated voltage (Max. 500V)
NP0: Cap≥30pF, Q≥200; Cap<30pF, Q≥100+10/3C
* Cap. / DF(Q) / I.R. Measurement to be made after de-aging * I.R.: ≥500MΩ or RxC≥25Ω-F whichever is smaller.
at 150°C for 1hr then set for 24±2 hrs at room temp .
15. High
Temperature
Load
* Test temp.:
* No remarkable damage.
NP0: 125±3°C
* Cap change: within ±3.0% or ±0.3pF whichever is larger.
* Q/D.F. value:
* To apply voltage:
(Endurance)
(1) <500V: 200% of rated voltage.
(2) 500V: 150% of rated voltage.
(3) ≥630V: 120% of rated voltage.
* Test time: 1000+24/-0 hrs.
NP0: Cap≥30pF, Q≥350
10pF≤Cap<30pF, Q≥275+2.5C
Cap<10pF, Q≥200+10C
* I.R.: ≥1GΩ or RxC≥50Ω-F whichever is smaller.
* Cap. / DF(Q) / I.R. Measurement to be made after de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
* "Room condition" Temperature: 15 to 35°C, Relativ e humidity: 25 to 75%, Atmospheric pressure: 86 to 106kPa.
Page 8 of 11
ASC_ HQ_Low ESR_HH
Nov. 2023