■ Specifications and Test Methods
Test Method
(Ref. Standard:JIS C 5101, IEC60384)
No
1
Item
Rated Voltage
Specification
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
3
4
Appearance
Dimension
No defects or abnormalities.
Visual inspection.
Within the specified dimensions.
No defects or abnormalities.
Using calipers. (GRM02 size is based on Microscope)
Voltage proof
Measurement Point
Test Voltage
:
Between the terminations
300% of the rated voltage
(Temperature compensating type)
250% of the rated voltage
(High dielectric constant type)
: 1s to 5 s
:
Applied Time
Charge/discharge current : 50mA max.
5
Insulation Resistance(I.R.)
C≦0.047µF:More than 10000MΩ
C>0.047µF:More than 500Ω·F
C:Nominal Capacitance
Measurement Point ꢀꢀ : Between the terminations
Measurement Voltage : DC Rated Voltage
Charging Time
: 2 min
Charge/discharge current : 50mA max.
Measurement Temperature : Room Temperature
6
7
Capacitance
Q
Shown in Rated value.
Measurement Temperature : Room Temperature
Capacitance
C≦1000pF
C>1000pF
Frequency
1.0+/-0.1MHz 0.5 to 5.0Vrms
1.0+/-0.1kHz 1.0+/-0.2Vrms
Voltage
30pF and over:Q≧1000
30pF and below:Q≧400+20C
C:Nominal Capacitance(pF)
8
Temperature
No bias
Nominal values of the temperature coefficient is shown in Rated value. The capacitance change should be measured after 5 min
at each specified temp. stage.
Characteristics
of Capacitance
But,the Capacitance Change under 25℃ is shown in Table A.
In case of applying voltage, the capacitance change should be
measured after 1 min with applying voltage in equilibration of
each temp. stage.
Capacitance Drift
Within +/-0.2% or +/-0.05pF
(Whichever is larger.)
Capacitance value as a reference is the value in step 3.
The capacitance drift is calculated by dividing the differences
between the maximum and minimum measured values in the
step 1,3 and 5 by the cap. value in step 3.
Step
Temperature(C)
Reference Temp.+/-2
Min. Operating Temp.+/-3
Reference Temp.+/-2
Max. Operating Temp.+/-3
Reference Temp.+/-2
1
2
3
4
5
9
Adhesive Strength
of Termination
No removal of the terminations or other defect
should occur.
Solder the capacitor on the test substrate shown in Fig.3.
Type
Applied Force(N)
GRM02
1
2
GRM03
GRM15/GRM18
5
GRM21/GRM31/GRM32
10
Holding Time
:
10+/-1s
Applied Direction : In parallel with the test substrate and vertical with
the capacitor side.
JEMCGS-0015S
2