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C85E.pdf
Apr.7,2014
Type KY/KH/KX Speci?cations and Test Methods
Operating Temperature Range: -40 to +125°C (Except for UL/VDE, -25 to +125°C)
No.
1
2
3
Item
Appearance and Dimensions
Marking
Capacitance
Specifications
No visible defect, and dimensions are within
specified range.
To be easily legible
Within specified tolerance
Test Method
The capacitor should be visually inspected for evidence of
defect.
Dimensions should be measured with slide calipers.
The capacitor should be visually inspected.
4
Dissipation Factor (D.F.)
Q
Char.
B, E
F
SL
Specifications
D.F. V 2.5%
D.F. V 5.0%
Q U 400+20C* 1 (C F 30pF)
Q U 1000 (C U 30pF)
The capacitance, dissipation factor and Q should be measured
at 20?C with 1±0.1kHz (char. SL: 1±0.1MHz) and AC5V(r.m.s.)
max.
The insulation resistance should be measured with
5
Insulation Resistance (I.R.)
10000M Ω min.
DC500±50V within 60±5 sec. of charging.
The voltage should be applied to the capacitor through a
resistor of 1M Ω .
The capacitor should not be damaged when the test voltages
from Table 1 are applied between the lead wires for 60 sec.
<Table 1>
Between Lead
Wires
No failure
Type
KY
KH
KX
Test Voltage
For lead spacing F=5mm AC2000V(r.m.s.)
For lead spacing F=7.5mm AC2600V(r.m.s.)
AC2600V(r.m.s.)
AC4000V(r.m.s.)
First, the terminals of the capacitor
should be connected together. Then,
as shown in the figure at right, a metal
6
Dielectric
Strength
foil should be closely wrapped around
the body of the capacitor to the
distance of about 3 to 6mm from
Metal
Foil
about
3 to 6mm
each terminal.
Body
Insulation
No failure
Then, the capacitor should be inserted
into a container filled with metal balls
of about 1mm diameter. Finally, AC
Metal
Balls
voltage from Table 2 is applied for 60 sec. between the
capacitor lead wires and metal balls.
<Table 2>
Type
KY
KH
KX
Test Voltage
AC2600V(r.m.s.)
AC2600V(r.m.s.)
AC4000V(r.m.s.)
The capacitance measurement should be made at each step
Char. Capacitance Change
specified in Table 3.
7
Temperature Characteristics
B Within ±10%
–55
–80
E Within +20 %
F Within +30 %
(Temp. range: -25 to +85°C)
Step
1
<Table 3>
Temperature (oC)
20±2
2
-25±2
Char. Temperature Coefficient
3
20±2
SL
+350 to -1000ppm/°C
4
85±2
(Temp. range: +20 to +85°C)
5
20±2
The lead wire of a capacitor should be dipped into molten
8
Solderability of Leads
Lead wire should be soldered with uniform coating
on the axial direction over 3/4 of the circumferential
direction.
solder for 2±0.5 sec.
The depth of immersion is up to about 1.5 to 2.0mm from the
root of lead wires.
Temp. of solder: Lead Free Solder (Sn-3Ag-0.5Cu) 245±5°C
H63 Eutectic Solder 235±5°C
* 1 "C" expresses nominal capacitance value (pF).
Continued on the following page.
15
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