Multilayer Ceramic Capacitors
Approval Sheet
10. RELIABILITY TEST CONDITIONS AND REQUIREMENTS
No.
Item
Test Condition
Requirements
1. Visual and
Mechanical
---
* No remarkable defect.
* Dimensions to conform to individual specification sheet.
* Shall not exceed the limits given in the detailed spec.
* Test temp.: Room Temperature.
Class I: (NP0)
2. Capacitance
3. Q/ D.F.
(Dissipation
Factor)
NP0: Cap≥30pF, Q≥1000; Cap<30pF, Q≥400+20C
X7R: ≤2.5%
Cap≤1000pF, 1.0±0.2Vrms, 1MHz±10%
Cap>1000pF, 1.0±0.2Vrms, 1KHz±10%
Class II: (X7R)
1.0±0.2Vrms, 1kHz±10%
*Before initial measurement (Class II only): To apply de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
* To apply voltage:
* No evidence of damage or flash over during test.
4. Dielectric
Strength
200V~300V
400V~450V
≥2 times VDC
≥1.2 times VDC
≥1.5 times VDC
≥1.2 times VDC
≥1.1 times VDC
500V~999V
1000V~3000V
4000V
* Duration: 1 to 5 sec.
* Charge & discharge current less than 50mA.
* Test temp.: Room Temperature.
Rated voltage: 200~630V
To apply rated voltage
(500V max.) for 60 sec.
To apply 500V for 60 sec.
≥10GΩ or RxC≥100Ω-F whichever is smaller
5. Insulation
Resistance
* Test temp.: Room Temperature.
Rated voltage: ≥630V
With no electrical load.
6. Temperature
Coefficient
T.C.
NP0
X7R
Operating Temp
-55~125°C at 25°C
-55~125°C at 25°C
T.C.
NP0
X7R
Capacitance Change
Within ±30ppm/°C
Within ±15%
*Before initial measurement (Class II only): To apply de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
* Pressurizing force：
* No remarkable damage or removal of the terminations.
7. Adhesive
Strength of
Termination
8. Vibration
Resistance
5N (≤0603) and 10N (>0603)
* Test time: 10±1 sec.
* Vibration frequency: 10~55 Hz/min.
* No remarkable damage.
* Total amplitude: 1.5mm
* Cap change and Q/D.F.: To meet initial spec.
* Test time: 6 hrs. (Two hrs each in three mutually
perpendicular directions.)
*Before initial measurement (Class II only): To apply de-aging
at 150°C for 1hr then set for 24±2 hrs at room temp .
*Cap./DF(Q) Measurement to be made after de-aging at 150°C
for 1hr then set for 24±2 hrs at room temp.
* Solder temperature: 235±5°C
95% min. coverage of all metalized area.
9. Solderability
10. Bending Test
* Dipping time: 2±0.5 sec.
* The middle part of substrate shall be pressurized by means * No remarkable damage.
of the pressurizing rod at a rate of about 1 mm per second until * Cap change：
the deflection becomes 1 mm and then the pressure shall be
maintained for 5±1 sec.
NP0: within ±5.0% or ±0.5pF whichever is larger.
X7R: within ±12.5%
*Before initial measurement (Class II only): To apply de-aging (This capacitance change means the change of capacitance under
at 150°C for 1hr then set for 24±2 hrs at room temp .
* Measurement to be made after keeping at room temp. for
24±2 hrs.
specified flexure of substrate from the capacitance measured before
the test.)
* Solder temperature: 260±5°C
* No remarkable damage.
* Cap change:
11. Resistance to
Soldering Heat
* Dipping time: 10±1 sec
* Preheating: 120 to 150°C for 1 minute before imme rse the
capacitor in a eutectic solder.
NP0: within ±2.5% or ±0.25pF whichever is larger.
X7R: within ±7.5%
*Before initial measurement (Class II only): To apply de-aging * Q/D.F., I.R. and dielectric strength: To meet initial requirements.
at 150°C for 1hr then set for 24±2 hrs at room temp .
*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.
* 25% max. leaching on each edge.
* "Room condition" Temperature: 15 to 35°C, Relativ e humidity: 25 to 75%, Atmospheric pressure: 86 to 106kPa.
Page 8 of 12
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