DE2B3KY331KA3BM02 Datasheet, PDF (16/72 Pages) Murata Manufacturing Co., Ltd. – Safety Certified Ceramic Capacitors/ High Voltage Ceramic Capacitors

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TSyppeeciKfiYca/KtiHon/KsXaSndpeTceifsitcaMteiothnosdasnd Test Methods
Continued from the preceding page.
No.
Item
Specifications
Appearance No marked defect
Capacitance
Change
Within ±20%
I.R.
3000MΩ min.
4
14 Life
Dielectric
Strength
Per Item 6
Test Method
Impulse Voltage
Each individual capacitor should be subjected to a 5kV (Type
KX: 8kV) impulses for three times. After the capacitors are
applied to life test.
100 (%)
90
50
Front time (T1) =1.2µs=1.67T
Time to half-value (T2) =50µs
30
0
t
T
T1
T2
Apply a voltage of Table 4 for 1000 hrs. at 125+2/-0°C, and
relative humidity of 50% max.
<Table 4>
Applied Voltage
AC425V(r.m.s.), except that once each hour the voltage
is increased to AC1000V(r.m.s.) for 0.1 sec.
Post-treatment:
Capacitor should be stored for 1 to 2 hrs. at room condition*².
The capacitor should be subjected to applied flame for 15 sec.
and then removed for 15 sec. until 5 cycles are completed.
15 Flame Test
Robustness
16 of
Terminations
Tensile
Bending
The capacitor flame discontinues as follows.
Cycle
1 to 4
5
Time (sec.)
30 max.
60 max.
Lead wire should not be cut off. Capacitor should
not be broken.
76
Capacitor
Flame
127
38
Gas Burner: Inside Dia. 9.5
(in mm)
As shown in the figure at right, fix the body
of the capacitor and apply a tensile weight
gradually to each lead wire in the radial
direction of the capacitor up to 10N and keep
W
it for 10±1 sec.
Each lead wire should be subjected to 5N weight and then a
90° bend, at the point of egress, in one direction, return to
original position, and then apply a 90° bend in the opposite
direction at the rate of one bend in 2 to 3 sec.
The capacitor should be individually wrapped in at least one but
not more than two complete layers of cheesecloth. The
capacitor should be subjected to 20 discharges. The interval
between successive discharges should be 5 sec. The UAC
should be maintained for 2 min. after the last discharge.
S1
F L1
L2
R
C1 C2
C3 Cx
Ct
Ut
Tr ^{S2 UAC L3}
L4
17 Active Flammability
The cheese-cloth should not be on fire.
Oscilloscope
C1,2 : 1µF±10%
C3 : 0.033µF±5% 10kV
L1 to 4 : 1.5mH±20% 16A Rod core choke
Ct : 3µF±5% 10kV
R
: 100Ω±2%
Cx : Capacitor under test UAC : UR±5%
F : Fuse, Rated 10A
UR : Rated Voltage
Ut
: Voltage applied to Ct
Ux
5kV
*² "room condition" Temperature: 15 to 35°C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa
14
time
Continued on the following page.