1 Rated Voltage Shown in Rated value. The rated voltage is defined as the maximum voltage which may
be applied continuously to the capacitor.
When AC voltage is superimposed on DC voltage, VP-P or VO-P,
whichever is larger, should be maintained within the rated voltage
range.
2 Appearance No defects or abnormalities. Visual inspection.
3 Dimension Within the specified dimensions. Using calipers.
4 Voltage proof No defects or abnormalities. Measurement Point : Between the terminations
Test Voltage : 250% of the rated voltage
(High dielectric constant type)
Applied Time : 1s to 5 s
Charge/discharge current : 50mA max.
5 Insulation Resistance(I.R.)
C≦ Measurement Point : Between the terminations
C＞ Measurement Voltage : DC Rated Voltage
C:Nominal Capacitance Charging Time : 2 min
(GRM188 B3/R6 1A105K, GRM21BB31A225K only : 5 min)
Charge/discharge current : 50mA max.
Measurement Temperature : Room Temperature
6 Capacitance Shown in Rated value. Measurement Temperature : Room Temperature
(2)High Dielectric Constant Type
7 Dissipation Factor (D.F.) W.V.:100Vdc : 0.05max.
W.V.:50/35/25/20/16Vdc : 0.035max.
W.V.:10Vdc : 0.05max.(C＜3.3µF)
Temperature No bias B1,B3 : Within +/-10% (-25°C to +85°C) The capacitance change should be measured after 5 min
Characteristics R1,R7 : Within +/-15% (-55°C to +125°C) at each specified temp. stage.
of Capacitance R6 : Within +/-15% (-55°C to +85°C) In case of applying voltage, the capacitance change should be
C7 : Within +/-22% (-55°C to +125°C) measured after 1 min with applying voltage in equilibration of
C8 : Within +/-22% (-55°C to +105°C) each temp. stage.
Capacitance value as a reference is the value in step 3.
50% of B1 : Within +10/-30% (1)High Dielectric Constant Type
the rated R1 : Within +15/-40%
voltage
· Initial measurement for high dielectric constant type
Perform a heat treatment at 150+0/-10°C for 1h and then
let sit for 24+/-2h at room temperature, then measure.
9 Adhesive Strength No removal of the terminations or other defect Solder the capacitor on the test substrate shown in Fig.3.
of Termination should occur.
Holding Time : 10+/-1s
Applied Direction : In parallel with the test substrate and vertical with
the capacitor side.
10 Vibration Appearance No defects or abnormalities. Solder the capacitor on the test substrate shown in Fig.3.
Capacitance Within the specified initial value. Kind of Vibration : A simple harmonic motion
D.F. Within the specified initial value. 10Hz to 55Hz to 10Hz (1min)
Total amplitude : 1.5mm
This motion should be applied for a period of 2h in each 3 mutually
perpendicular directions(total of 6h).
Test Method
(Ref. Standard:JIS C 5101, IEC60384）
■Specifications and Test Methods
Type Applied Force(N)
GRM03 2
GRM15/GRM18 5
GRM21/GRM31/GRM32 10
These Part Numbers are designed for use in the circuits where
continuous applied voltage to the capacitor is derated than rated
voltage, and guarantee Durability Test with 100% × rated voltage
as testing voltage at the maximumoperating temperature.
The voltage and temperature derating conditions on the left are
recommended for use to ensure the same reliability level as
50% of
the rated voltage
(For B1,R1)
