Reference Specification
Type KX
Safety Standard Certified Lead Type Disc Ceramic Capacitors for General Purpose
Product specifications in this catalog are as of Dec. 2017, and are subject to change or
obsolescence without notice.
Please consult the approval sheet before ordering.Please read rating and Cautions first.
Reference only
CAUTION
1. OPERATING VOLTAGE
When DC-rated capacitors are to be used in AC or ripple current circuits, be sure to maintain the
Vp-p value of the applied voltage or the Vo-p which contains DC bias within the rated voltage range.
When the voltage is started to apply to the circuit or it is stopped applying, the irregular voltage may
be generated for a transit period because of resonance or switching. Be sure to use a capacitor
within rated voltage containing these irregular voltage.
Voltage
DC Voltage
DC+AC Voltage
AC Voltage
Pulse
Voltage(1)
Pulse
Voltage(2)
Positional
Vo-p
Measurement
Vo-p
Vp-p
Vp-p
Vp-p
2. OPERATING TEMPERATURE AND SELF-GENERATED HEAT
Keep the surface temperature of a capacitor below the upper limit of its rated operating temperature
range. Be sure to take into account the heat generated by the capacitor itself.
When the capacitor is used in a high-frequency current, pulse current or the like, it may have the self-
generated heat due to dielectric-loss. Applied voltage should be the load such as self-generated
heat is within 20
°C
on the condition of atmosphere temperature 25
°C.
When measuring, use a
thermocouple of small thermal capacity-K of
φ0.1mm
and be in the condition where capacitor is not
affected by radiant heat of other components and wind of surroundings. Excessive heat may lead to
deterioration of the capacitor’s characteristics and reliability.(Never attempt to perform measurement
with the cooling fan running. Otherwise, accurate measurement cannot be ensured.)
3. TEST CONDITION FOR WITHSTANDING VOLTAGE
(1) TEST EQUIPMENT
Test equipment for AC withstanding voltage should be used with the performance of the wave similar
to 50/60 Hz sine wave.
If the distorted sine wave or over load exceeding the specified voltage value is applied, the defective
may be caused.
(2) VOLTAGE APPLIED METHOD
When the withstanding voltage is applied, capacitor’s lead or terminal should be firmly connected
to the out-put of the withstanding voltage test equipment, and then the voltage should be raised
from near zero to the test voltage.
If the test voltage without the raise from near zero voltage would be applied directly to capacitor, test
voltage should be applied with the *zero cross. At the end of the test time, the test voltage should be
reduced to near zero, and then capacitor’s lead or terminal should be taken off the out-put of the
withstanding voltage test equipment.
If the test voltage without the raise from near zero voltage would
voltage sine wave
be applied directly to capacitor, the surge voltage may arise,
and therefore, the defective may be caused.
0V
*ZERO CROSS is the point where voltage sine wave pass 0V.
zero cross
- See the right figure -
4. FAIL-SAFE
When capacitor would be broken, failure may result in a short circuit. Be sure to provide an
appropriate fail-safe function like a fuse on your product if failure would follow an electric shock,
fire or fume.
5. VIBRATION AND IMPACT
Do not expose a capacitor or its leads to excessive shock or vibration during use.
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Reference only
6. SOLDERING
When soldering this product to a PCB/PWB, do not exceed the solder heat resistance specification of
the capacitor. Subjecting this product to excessive heating could melt the internal junction solder and
may result in thermal shocks that can crack the ceramic element.
When soldering capacitor with a soldering iron, it should be performed in following conditions.
Temperature of iron-tip : 400
°C
max.
Soldering iron wattage : 50W max.
Soldering time
: 3.5s max.
7. BONDING, RESIN MOLDING AND COATING
In case of bonding, molding or coating this product, verify that these processes do not affect the quality
of capacitor by testing the performance of the bonded, molded or coated product in the intended
equipment.
In case of the amount of applications, dryness / hardening conditions of adhesives and molding
resins containing organic solvents (ethyl acetate, methyl ethyl ketone, toluene, etc.) are unsuitable,
the outer coating resin of a capacitor is damaged by the organic solvents and it may result, worst
case, in a short circuit.
The variation in thickness of adhesive, molding resin or coating may cause a outer coating resin
cracking and/or ceramic element cracking of a capacitor in a temperature cycling.
8. TREATMENT AFTER BONDING, RESIN MOLDING AND COATING
When the outer coating is hot (over 100
℃)
after soldering, it becomes soft and fragile.
So please be careful not to give it mechanical stress.
Failure to follow the above cautions may result, worst case, in a short circuit and cause fuming or
partial dispersion when the product is used.
9. OPERATING AND STORAGE ENVIRONMENT
The insulating coating of capacitors does not form a perfect seal; therefore, do not use or store
capacitors in a corrosive atmosphere, especially where chloride gas, sulfide gas, acid, alkali, salt or
the like are present. And avoid exposure to moisture. Before cleaning, bonding, or molding
this product, verify that these processes do not affect product quality by testing the performance of a
cleaned, bonded or molded product in the intended equipment. Store the capacitors where the
temperature and relative humidity do not exceed -10 to 40
°C
and 15 to 85%.
Use capacitors within 6 months after delivered. Check the solderability after 6 months or more.
10. LIMITATION OF APPLICATIONS
Please contact us before using our products for the applications listed below which require especially
high reliability for the prevention of defects which might directly cause damage to the third party’s life,
body or property.
1. Aircraft equipment
2. Aerospace equipment
3. Undersea equipment
4. Power plant control equipment
5. Medical equipment
6. Transportation equipment (vehicles, trains, ships, etc.)
7. Traffic signal equipment
8. Disaster prevention / crime prevention equipment
9. Data-processing equipment exerting influence on public
10. Application of similar complexity and/or reliability requirements to the applications listed
in the above.
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Reference only
NOTICE
1. CLEANING (ULTRASONIC CLEANING)
To perform ultrasonic cleaning, observe the following conditions.
Rinse bath capacity : Output of 20 watts per liter or less.
Rinsing time : 5 min maximum.
Do not vibrate the PCB/PWB directly.
Excessive ultrasonic cleaning may lead to fatigue destruction of the lead wires.
2. CAPACITANCE CHANGE OF CAPACITORS
⋅
Class 1 capacitors
Capacitance might change a little depending on a surrounding temperature or an applied voltage.
Please contact us if you use for the strict time constant circuit.
⋅
Class 2 and 3 capacitors
Class 2 and 3 capacitors like temperature characteristic B, E and F have an aging characteristic,
whereby the capacitor continually decreases its capacitance slightly if the capacitor leaves for a long
time. Moreover, capacitance might change greatly depending on a surrounding temperature or an
applied voltage. So, it is not likely to be able to use for the time constant circuit.
Please contact us if you need a detail information.
3. PERFORMANCE CHECK BY EQUIPMENT
Before using a capacitor, check that there is no problem in the equipment's performance and the
specifications.
Generally speaking, CLASS 2 ceramic capacitors have voltage dependence characteristics and
temperature dependence characteristics in capacitance. So, the capacitance value may change
depending on the operating condition in a equipment. Therefore, be sure to confirm the apparatus
performance of receiving influence in a capacitance value change of a capacitor, such as leakage
current and noise suppression characteristic.
Moreover, check the surge-proof ability of a capacitor in the equipment, if needed, because the surge
voltage may exceed specific value by the inductance of the circuit.
NOTE
1.Please make sure that your product has been evaluated in view of your specifications with our
product being mounted to your product.
2.You are requested not to use our product deviating from this specification.
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Reference only
1. Application
This specification is applied to Safety Standard Certified Lead Type Disc Ceramic Capacitors Type KX
used for General Electric equipment.
Type KX is Safety Standard Certified capacitors of Class X1,Y1.
Do not use these products in any automotive power train or safety equipment including battery chargers
for electric vehicles and plug-in hybrids.
Approval standard and certified number
Standard number
UL
CSA
VDE
BSI
SEMKO
DEMKO
FIMKO
NEMKO
ESTI
IMQ
EN60384-14
IEC60384-14,
EN60384-14
UL60384-14
CSA E60384-14
IEC60384-14, EN60384-14
EN60065 (8.8,14.2),
IEC60384-14,
EN60384-14
*Certified number
E37921
1343810
40002831
KM 37901
1612604
D-05321
FI 29602
P16221232
15.0075
V4069
X1:440
Y1:300
AC Rated volt.
V(r.m.s.)
CQC
IEC60384-14
CQC12001079941
*Above Certified number may be changed on account of the revision of standards and
the renewal of certification.
2. Rating
2-1. Operating temperature range
-40
+125C
(-25
+125C is certified in safety certificates except UL and VDE.)
2-2. Part number configuration
ex.)
DE1
E3
Product Temperature
code
characteristic
KX
Type
name
472
Capacitance
M
Capacitance
tolerance
A4
Lead
code
B
P01F
Packing
Individual
style code specification
.
Product code
DE1 denotes X1,Y1 class .
Temperature characteristic
Code
Temperature characteristic
B3
B
E3
E
Please confirm detailed specification on
Specification and test methods
.
Type name
This denotes safety certified type name Type KX.
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