The capacitor should be fully immersed, unagitated, in
reagent at 20 to 25°C for 30±5 sec. and then removed
gently. Marking on the surface of the capacitor should
immediately be visually examined.
Reagent:
• Isopropyl alcohol
17 Solvent
Resistance
Appearance
No defects or abnormalities
Marking Legible
Char. Nominal Values
(ppm/°C) *1
0±30C0G Max.
0.58 Min.
–0.24 Max.
0.40 Min.
–0.17 Max.
–55°C
Capacitance Change from 25°C (%)
–30°C –10°C
0.25 Min.
–0.11
*1: Nominal values denote the temperature coefficient within a range of
25 to 125°C
Table A Char.
X7R
X7S
Y5V
F
–55 to +125°C
–30 to + 85°C
–25 to + 85°C
25°C
20°C
Temp. Range Reference Temp. Cap. Change Rate
Within ±15%
Within ±22%
Within
+22
–82
%
Within
+30
–80
%
Table B
Apply voltage in Table for 1000
+48
– 0
hrs. at the
maximum operating temperature±3°C.
Remove and set for 24±2 hrs. at room temperature,
then measure. (Charge/Discharge current V50mA)
• Pretreatment (for high dielectric constant type)
Appy test voltage for 1 hr., at test temperature.
Remove and set for 24±2 hrs. at room temperature.
16 High
Temperature
Load
Appearance
No defects or abnormalities
Q/D.F.
30pF min.: QU350
10pF to 30pF: QU275+5C/2
10pF max.: QU200+10C
C: Nominal capacitance (pF)
Char. X7R: 0.05 max.
Char. F, Y5V: 0.075 max.
Char. X7S: 0.2 max.
Capacitance
Change Within ±3% or ±0.3pF
(whichever is larger) Char. X7R, X7S: Within ±15%
Char. F, Y5V: Within ±30%
Insulation
Resistance
Rated Voltage: DC25V, DC50V, DC100V
1,000MΩ, 50MΩ • µF min. (whichever is smaller)
Rated Voltage: DC250V, DC630V
1,000MΩ, 10MΩ • µF min. (whichever is smaller)
Apply the rated voltage for 500
+24
– 0
hrs. at 40±2°C and
in 90 to 95% humidity.
Remove and set for 24±2 hrs. at room temperature,
then measure.
(Charge/Discharge current V50mA)
• Pretreatment (for high dielectric constant type)
Perform a heat treatment at 150+0/-10°C for 1 hr., and
then let sit at room temperature for 24±2 hrs.
15 Humidity
Load
Appearance
No defects or abnormalities
Q/D.F. 30pF min.: QU200
30pF max.: QU100+10C/3
C: Nominal capacitance (pF)
Char. X7R: 0.05 max.
Char. F, Y5V: 0.075 max.
Char. X7S: 0.2 max.
Capacitance
Change Within ±7.5% or ±0.75pF
(whichever is larger) Char. X7R, X7S: Within ±15%
Char. F, Y5V: Within ±30%
Insulation
Resistance
Rated Voltage: DC25V, DC50V, DC100V
500MΩ or 25MΩ • µF min. (whichever is smaller)
Rated Voltage: DC250V, DC630V
1,000MΩ or 10MΩ • µF min. (whichever is smaller)
Set the capacitor at 40±2°C and relative humidity of
90 to 95% for 500
+24
– 0
hrs.
Remove and set for 24±2 hrs. at room temperature,
then measure.
• Pretreatment (for high dielectric constant type)
Perform a heat treatment at 150+0/-10°C for 1 hr., and
then let sit at room temperature for 24±2 hrs.
14 Humidity
(Steady
State)
Appearance
No defects or abnormalities
Q/D.F.
30pF min.: QU350
10pF to 30pF: QU275+5C/2
10pF max.: QU200+10C
C: Nominal capacitance (pF)
Char. X7R: 0.05 max.
Char. F, Y5V: 0.075 max.
Char. X7S: 0.2 max.
Capacitance
Change Within ±5% or ±0.5pF
(whichever is larger) Char. X7R, X7S: Within ±15%
Char. F, Y5V: Within ±30%
Insulation
Resistance
Rated Voltage: DC25V, DC50V, DC100V
1,000MΩ, 50MΩ • µF min. (whichever is smaller)
Rated Voltage: DC250V, DC630V
1,000MΩ, 10MΩ • µF min. (whichever is smaller)
The capacitor should be subjected to 5 temperature
cycles.
Remove and set for 24±2 hrs. at room temperature,
then measure.
• Pretreatment (for high dielectric constant type)
Perform a heat treatment at 150+0/-10°C for 1 hr., and
then let sit at room temperature for 24±2 hrs.
13 Temperature
Cycle
Appearance
No defects or abnormalities
Insulation
Resistance
Rated Voltage: DC25V, DC50V, DC100V
1,000MΩ, 50MΩ • µF min. (whichever is smaller)
Rated Voltage: DC250V, DC630V
1,000MΩ, 10MΩ • µF min. (whichever is smaller)
Q/D.F.
30pF min.: QU350
10pF to 30pF: QU275+5C/2
10pF max.: QU200+10C
C: Nominal capacitance (pF)
Char. X7R: 0.05 max.
Char. F, Y5V: 0.075 max.
Char. X7S: 0.2 max.
Capacitance
Change Within ±5% or ±0.5pF
(whichever is larger)
Char. X7R, X7S: Within ±12.5%
Char. F, Y5V: Within ±30%
Dielectric
Strength
(Between
Terminals)
No defects or abnormalities
Continued from the preceding page.
RDE Series (Only for Commercial) Specifications and Test Methods
No. Test Method
Specifications
Temperature Compensating Type
High Dielectric Constant Type
Item
Test Voltage
150% of the rated voltage
120% of the rated voltage
Rated Voltage
DC25V, DC50V
DC100V, DC250V
DC630V
Step Temperature (˚C) Time (min)
Min. Operating Temp. ±3
Room Temp.
Max. Operating Temp. ±3
Room Temp.
30±3
3 max.
30±3
3 max.
1
2
3
4