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C02E.pdf
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Safety Standard Certified Type GC/GD/GF/GB Specifications and Test Methods
GA3 Series Specifications and Test Methods
No.
1
Item
Operating
Specifications
Test Method
Y55 to W125D
Y
Temperature Range
2
3
Appearance
No defects or abnormalities
Visual inspection
Dimensions
Within the specified dimensions
Using calipers and micrometers
No failure should be observed when voltage in the table is
applied between the terminations for 60T1 sec., provided the
charge/discharge current is less than 50mA.
4
5
Dielectric Strength No defects or abnormalities
Test Voltage
DC1075V
AC1500V (r.m.s.)
AC2000V (r.m.s.)
Type GB
Type GC/GD
Type GF
10 impulses of alternating polarity are subjected.
(5 impulses for each polarity)
The interval between impulses is 60 sec.
Applied Pulse: 1.2/50µs
Pulse Voltage
(Application: Type
GD/GF)
No self healing breakdowns or flash-overs have taken place in
the capacitor.
Applied Voltage: 2.5kVo-p
Insulation Resistance
(I.R.)
The insulation resistance should be measured with DC500T50V
and within 60T5 sec. of charging.
6
7
More than 6,000MΩ
Capacitance
Within the specified tolerance
The capacitance/Q/D.F. should be measured at a frequency of
1T0.2kHz (SL char.: 1T0.2MHz) and a voltage of
AC1T0.2V (r.m.s.)
Char.
X7R
Specification
D.F.V0.025
Dissipation
Factor (D.F.)
Q
8
QU400W20C*2 (CF30pF)
SL
QU1000
(CU30pF)
The capacitance measurement should be made at each step
specified in the Table.
Step
Temperature (D)
1
2
3
4
5
25T2 (20T2 for SL char.)
Min. Operating Temp.T3
25T2 (20T2 for SL char.)
Max. Operating Temp.T2
25T2 (20T2 for SL char.)
Char.
X7R
Capacitance Change
Within T15%
Capacitance
Temperature
Characteristics
Temperature characteristic guarantee is Y55 to W125D
9
Char.
SL
Temperature Coefficient
W350 to Y1000ppm/D
SL char. :
Temperature characteristic guarantee is W20 to W85D
The capacitance should be measured at even 85D between step
3 and step 4.
#Pretreatment for X7R char.
W 0
ꢀ
Perform a heat treatment at 150Y10D for 60T5 min. and then
let sit for 24T2 hrs. at room condition.*1
Appearance
No defects or abnormalities
As in Fig., discharge is made 50 times at 5 sec. intervals from
the capacitor (Cd) charged at DC voltage of specified.
I.R.
More than 1,000MΩ
R3
R1
Discharge
Test
10
R2
Ct
(Application:
Dielectric
Type GC)
10kV
V
Cd
In accordance with item No.4
Strength
Ct: Capacitor under test Cd: 0.001µF
R1: 1,000Ω R2: 100MΩ R3: Surge resistance
Solder the capacitor to the testing jig (glass epoxy board) shown
in Fig. 1.
Then apply 10N force in the direction of the arrow. The soldering
should be done using the reflow method and should be
conducted with care so that the soldering is uniform and free of
defects such as heat shock.
Adhesive Strength
of Termination
11
No removal of the terminations or other defect should occur.
10N, 10T1s
Glass Epoxy Board
Fig. 1
*1 "Room condition" Temperature: 15 to 35D, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa
*2 "C" expresses nominal capacitance value (pF).
Continued on the following page.
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