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參數資料
| 型號： | GRM21 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Dielectric Constant Type 6.3/16/25/50V |
| 中文描述： | 高介電常數型6.3/16/25/50V |
| 文件頁數： | 5/13頁 |
| 文件大小： | 188K |
| 代理商： | GRM21 |
No removal of the terminations or other defect should occur
Fig. 1a
Adhesive Strength
of Termination
10
Solder the capacitor to the test jig (glass epoxy board) shown in
Fig. 1a using an eutectic solder. Then apply 10N
*
force in
parallel with the test jig for 10
T
1 sec.
The soldering should be done either with an iron or using the
reflow method and should be conducted with care so that the
soldering is uniform and free of defects such as heat shock.
*
2N (GR
p
03), 5N (GR
p
15, GRM18)
a
b
c
Baked electrode or
copper foil
Solder resist
(in mm)
c
0.3
0.5
1.2
1.65
2.0
2.9
3.7
5.6
Type
a
b
GR
p
03
GR
p
15
GRM18
GRM21
GRM31
GRM32
GRM43
GRM55
0.3
0.4
1.0
1.2
2.2
2.2
3.5
4.5
0.9
1.5
3.0
4.0
5.0
5.0
7.0
8.0
Continued on the following page.
Within the specified tolerance
(Table A-1)
Capacitance
Temperature
Characteristics
9
(2) High Dielectric Constant Type
The ranges of capacitance change compared with the 20
D
value over the temperature ranges shown in the table should
be within the specified ranges.
*
In case of applying voltage, the capacitance change should be
measured after 1 more min. with applying voltage in
equilibration of each temp. stage.
Step
Temperature (°C)
1
Reference Tempereture
T
2
–55
T
3 (for R1, R7, R6)
–25
T
3 (for B1, B3, F1)
–30
T
3 (for F5)/10
T
3 (for E4)
The capacitance change should be measured after 5min. at
each specified temp. stage.
(1)Temperature Compensating Type
The temperature coefficient is determind using the capacitance
measured in step 3 as a reference.
When cycling the temperature sequentially from step 1 through
5 (5C :
W
25
D
to
W
125
D
/
C :
W
20
D
to
W
125
D
: other temp.
coeffs. :
W
25
D
to
W
85
D
/
W
20
D
to
W
85
D
) the capacitance
should be within the specified tolerance for the temperature
coefficient and capacitance change as Table A-1.
The capacitance drift is caluculated 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.
B1, B3 : Within
T
10%
(
Y
25
D
to
W
85
D
)
R1, R7 : Within±15%
(
Y
55
D
to
W
125
D
)
R6 : Within
T
15%
(
Y
55
D
to
W
85
D
)
E4 : Within
W
22/
Y
56%
(
W
10
D
to
W
85
D
)
F1 : Within
W
30/
Y
80%
(
Y
25
D
to
W
85
D
)
F5 : Within
W
22/
Y
82%
(
Y
30
D
to
W
85
D
)
No bias
50% of
the Rated
Voltage
Step
1
2
3
4
5
Reference Temperature
T
2
Y
55
T
3 (for
C)/
Y
25
T
3 (for other TC)
Reference Temperature
T
2
125
T
3 (for
C)/85
T
3 (for other TC)
Reference Temperature
T
2
Temperature (
D
)
Capacitance
Drift
Within
T
0.2% or
T
0.05pF
(Whichever is larger.)
*
Not apply to 1X/25V
B1 : Within
W
10/–30%
R1 : Within
W
15/–40%
F1 : Within
W
30/–95%
*
Initial measurement for high
dielectric constant type
Perform a heat treatment at
150
W
0/–10°C for one hour
and then set for 48
T
4 hours
at room temperature.
Perform the initial
measurement.
Applying Voltage (V)
3
5
6
7
4
8
2
Reference Tempereture
T
2
125
T
3 (for R1, R7)/
85
T
3 (for B1, B3, R6
F1, F5, E4)
Reference Tempereture
T
2
–55
T
3 (for R1)/
–25
T
3 (for B1, F1)
Reference Tempereture
T
2
125
T
3 (for R1)/
85
T
3 (for B1, F1)
No bias
50% of the rated
voltage
!
Note
This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specification or transact the approval sheet for product specification
before ordering. Especially, please read rating and
!
CAUTION (for storage and operating, rating, soldering and mounting, handling) in them to prevent smoking and/or burning, etc.
You are able to read a detailed specification in the website (http://search.murata.co.jp/) before to require our product specification or to transact the approval sheet for product specification.
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