No
Item
Test Method
1 Operating
2C,5C : -55
℃
to 125
℃
Temperature Range
2 Rated Voltage
See the previous pages.
The rated voltage is defined as the maximum voltage which may be
applied continuously to the capacitor.
When AC voltage is superimposed on DC voltage, V
P-P
or V
O-P
,
whichever is larger, should be maintained within the rated
voltage range.
3 Appearance
No defects or abnormalities.
Visual inspection.
4 Dimension
Within the specified dimensions.
Using calipers.
5 Dielectric Strength
No defects or abnormalities.
No failure should be observed when 250% of the rated
voltage is applied between the terminations for 1 to 5
seconds, provided the charge/discharge current is less
than 50mA.
6 Insulation
More than 10,000M
Ω
The insulation resistance should be measured with a DC
Resistance
voltage not exceeding the rated voltage at 20
℃
/25
℃
and 75%RH max. and within 2 minutes of charging.
7 Capacitance
Within the specified tolerance.
The capacitance/Q should be measured at 20
℃
/25
℃
at the frequency and voltage shown in the table.
8 Q
30pFmin. : Q
≧
1400
30pFmax.: Q
≧
800+20C
C:NominalCapacitance (pF)
9
Capacitance
Capacitance Within the specified tolerance.(Table A-1)
The temperature coefficient is determind using the
Temperature
Change
capacitance measured in step 3 as a reference.
Characteristics
When cycling the temperature sequentially from step 1
through 5 the capacitance should be within the specified
tolerance for the temperature coefficient and capacitance
Temperature Within the specified tolerance.(Table A-1)
change as Table A-1.
Coefficent
The capacitance drift is caluculated by dividing the
differences betweeen the maximum and minimum measured
values in the step 1,3 and 5 by the cap. value in step 3.
Capacitance Within
±
0.2% or
±
0.05pF
Drift
(Whichever is larger.)
10 Adhesive Strength of
No removal of the terminations or other defect should occur.
Solder the capacitor on the test jig (glass epoxy
Termination
board)shown in Fig.3 using an eutectic solder. Then apply
10N* force in parallel with the test jig for 10+/-1sec.
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.
*5N
（
GQM18)
11 Vibration
Appearance No defects or abnormalities.
Solder the capacitor on the test jig (glass epoxy board) in the
Resistance
same manner and under the same conditions as (10).
Capacitance Within the specified tolerance.
The capacitor should be subjected to a simple harmonic
motion having a total amplitude of 1.5mm, the frequency
Q
30pFmin. : Q
≧
1400
being varied uniformly between the approximate limits of 10
30pFmax.: Q
≧
800+20C
and 55Hz. The frequency range, from 10 to 55Hz and return
to 10Hz, should be traversed in approximately 1 minute. This
C:NominalCapacitance (pF)
motion should be applied for a period of 2 hours in each 3
mutually perpendicular directions(total of 6 hours).
12 Deflection
Appearance No marking defects.
Solder the capacitor on the test jig (glass epoxy board)
shown in Fig.1 using an eutectic solder. Then apply a force
Capacitance Within
±
5
％
or
±
0.5pF
in the direction shown in Fig 2. The soldering
Change
(Whichever is larger)
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.
13 Solderability
75% of the terminations is to be soldered evenly
Immerse the capacitor in a solution of ethanol (JIS-K-8101)
of Termination
and continuously.
and rosin (JIS-K-5902) (25% rosin in weight propotion) .
Preheat at 80 to 120
℃
for 10 to 30 seconds.
After preheating, immerse in an eutectic solder solution for
2+/-0.5 seconds at 230+/-5
℃
or Sn-3.0Ag-0.5Cu solder
solution for 2+/-0.5 seconds at 245+/-5
℃
■
SPECIFICATIONS AND TEST METHODS
Specification
Char.
Item
Δ
C
(1000pF and below)
Frequency
1
0.1MHz
Voltage
0.5 to 5Vrms
Step
Temperature(
C)
1
20
2 / 25
2
2
-55
3
3
20
2 / 25
2
4
125
3
5
20
2 / 25
2
JEMCNS-0022C
2
