GCM21BR72A104KA37L Datasheet, PDF (42/44 Pages) Murata Manufacturing Co., Ltd. – Chip Monolithic Ceramic Capacitors for Automotive

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Medium Voltage for Automotive GCM Series Low DisspationSFpacetocrifSicpaectifoicnastioannsdanTdeTsetsMt Meetthhoddss
Continued from the preceding page.
No.
AEC-Q200
Test Item
Specifications
Appearance No defects or abnormalities
Capacitance
Change
Within the specified tolerance
Q
QU1000
Electrical
17 Characteri- _I.R.
zation
25°C
More than 100,000MΩ or 1,000MΩ · µF
(Whichever is smaller)
Max. Operating Temperature···125°C
More than 10,000MΩ or 100MΩ · µF
(Whichever is smaller)
Dielectric
Strength
No failure
Appearance No marking defects
Capacitance Within ±5.0% or ±0.5pF
Change (Whichever is larger)
18
Board
Flex
Appearance No marking defects
Capacitance
Change
Within the specified tolerance
Q
QU1000
b
C
a
100
t: 1.6mm
Fig. 1
19
Terminal
Strength
I.R.
More than 10,000MΩ or 500MΩ · µF
(Whichever is smaller)
AEC-Q200 Test Method
Visual inspection.
The capacitance/Q should be measured at 25°C at the frequency
and voltage shown in the table.
2
Capacitance Frequency
Voltage
CF1000pF 1±0.2MHz
AC0.5 to 5V(r.m.s.)
CU1000pF 1±0.2kHz
AC1±0.2V(r.m.s.)
The insulation resistance should be measured with a DC voltage
not exceeding the rated voltage at 25°C and 125°C and within 2
minutes of charging.
No failure should be observed when voltage in Table is applied
between the terminations for 1 to 5 seconds, provided the
charge/discharge current is less than 50mA.
Rated Voltage
DC250V
DC630V
Test Voltage
200% of the rated voltage
150% of the rated voltage
Solder the capacitor on the test jig (glass epoxy board) shown in
Fig. 1 using a eutectic solder. Then apply a force in the direction
shown in Fig. 2 for 5±1 seconds. The soldering should be done
by the reflow method and should be conducted with care so that
the soldering is uniform and free of defects such as heat shock.
Type
a
b
c
GCM21
0.8
3.0
1.3
GCM31
2.0
4.4
1.7
GCM32
2.0
4.4
2.6
(in mm)
20 ⁵⁰
R4
Pressunzing
speed: 1.0mm/s
Pressurize
Capacitance meter
45
45
Flexure: V3
Fig. 2
Solder the capacitor to the test jig (glass epoxy board) shown in
Fig. 3 using a eutectic solder. Then apply 18N force in parallel
with the test jig for 60 seconds.
The soldering should be done by the reflow method and should
be conducted with care so that the soldering is uniform and free
of defects such as heat shock.
Type
a
GCM21
1.2
GCM31
2.2
GCM32
2.2
b
c
4.0
1.65
5.0
2.0
5.0
2.9
(in mm)
c
Fig. 3
t: 1.6mm
Solder resist
Baked electrode or
copper foil
Continued on the following page.
43