GRJ43DR72J104KWJ1L Datasheet, PDF (153/221 Pages) Murata Manufacturing Co., Ltd. – Chip Monolithic Ceramic Capacitors

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Reference Data
1. Solderability
(1) Test Method
Subject the chip capacitor to the following conditions.
Then apply flux (an ethanol solution of 25% rosin) to the
chip and dip it in 230D eutectic solder for 2 seconds.
Conditions:
Expose prepared at room temperature (for 6 months and
12 months, respectively)
Prepared at high temperature (for 100 hours at 85D)
Prepared left at high humidity (for 100 hours under
90%RH to 95%RH at 40D)
(2) Test Samples
GRM21 : Products for flow/reflow soldering.
(3) Acceptance Criteria
With a 60-power optical microscope, measure the surface
area of the outer electrode that is covered with solder.
(4) Results
Refer to Table 1.
Table 1
Sample
GRM21 for flow/reflow soldering
Initial State
95 to 100%
Prepared at Room Temperature
6 months 12 months
95 to 100%
95%
Prepared at High
Temperature for
100 Hours at 85D
90 to 95%
Prepared at High Humidity
for 100 Hours at 90 to
95% RH and 40D
95%
2. Board Bending Strength for Solder Fillet Height
(1) Test Method
Solder the chip capacitor to the test PCB with the amount
of solder paste necessary to achieve the fillet heights.
Then bend the PCB using the method illustrated and
measure capacitance.
Capacitor
20 ^{50 Pressurizing}
Speed: 1.0mm/sec.
Supporting
45
45
Base
1.2
ST,
QRUVWYZ YZ,QUV4.0
100
Material : Glass Epoxy
: Copper Foil (0.35mm thick)
STWX YZ^_XSTVW`<sup>:SolderResist</sup>
R230
Pressurize
Note : The material of pressure application jig and
support is the quenched metal.
(hardness HB 183-255 or superhardness
Flexure
HRA90 or more)
Capacitance Meter
Solder Amount
1.6
Larger Fillet.
Fillet up to Chip
Thickness
(in mm)
`VYZ^ ` ^{(2)TestSamples}
GRM21: 5C/R7/F5 Characteristics T=0.6mm
(3) Acceptance Criteria
Products should be determined to be defective if the
change in capacitance has exceeded the values specified
in Table 2.
Table 2
1 ^{Characteristics}
5C
R7
F5
Change in Capacitance
Within T5% or T0.5pF, whichever is greater
Within T12.5%
Within T20%
Continued on the following page.
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