Temperature
Compensating Type
High Dielectric Type
21 Capacitance
Capacitance
Within the specified tolerance.
R7 : Within
±
15%
The capacitance change should be measured after 5 min. at
Temperature
Change
(Table A)
(-55
℃
to +125
℃
)
each specified temperature stage.
Characteristics
L8 : Within
±
15%
(1)Temperature Compensating Type
(-55
℃
to +125
℃
)
The temperature coefficient is determind using the capacitance
15/-40%
measured in step 3 as a reference. When cycling the temperature
(+125
℃
to +150
℃
)
sequentially from step1 through 5 (
Δ C: +25
℃
to +125
℃
,
R9 : Within
±
15%
5G:+25
℃
to +150
℃
other temp. coeffs.:+25
℃
to +85
℃
) the
(-55
℃
to +150
℃
)
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
betweeen the maximum and minimum measured values in the step
Temperature
Within the specified tolerance.
1,3 and 5 by the cap value in step 3.
Coefficent
(Table A)
Capacitance
Within
±
0.2% or
±
0.05 pF
Drift
(Whichever is larger.)
(2) High Dielectric Constant Type
The ranges of capacitance change compared with the above 25
℃
value over the temperature ranges shown in the table should be
within the specified ranges.
Initial measurement for high dielectric constant type.
Perform a heat treatment at 150+0/-10
℃
for one hour
and then set for 24
±
2 hours at room temperature.
Perform the initial measurement.
■
AEC-Q200 Murata Standard Specification and Test Methods
No
AEC-Q200 Test Item
AEC-Q200 Test Method
Specification.
Step
Temperature.(
C)
1
25±2
2
-
55±3(for ΔC to R7)
3
25±2
4
125±3
(
for ΔC/R7
)
, 150±3
(
for 5G/R9/L8
)
,85±3
(
for other TC
)
5
25±2
Table A
Char.
Nominal Values
(ppm/
C)
Capacitance Change from 25
C (%)
-55
-30
-10
Max.
Min.
Max.
Min.
Max.
Min.
5C/5G
0
±
30
0.58
-0.24
0.40
-0.17
0.25
-0.11
Note 1: Nominal values denote the temperature coefficient within a range of 25
C to 125
C(for
C)/ 150
C(for 5G)/85
C(for other TC).
JEMCGS-0363S
6