Test Reference Conditions of test Performance requirements
Climatic
sequence
IEC 60384-14 Dry heat T
B
/ 16 h.
Damp heat cyclic, 1st cycle
+ 55 °C / 24h / 95% ... 100% RH
Cold T
A
/ 2h
Damp heat cyclic, 5 cycles
+ 55 °C / 24h / 95% ... 100% rh
No visible damage
|C/C
0
| 5%
|tan δ| 0.008 for C 1 µF
|tan δ| 0.005 for C > 1 µF
Voltage proof
R
INS
50% of initial limit
Impulse test
endurance
IEC 60384-14 3 impulses
T
B
/ 1.25 V
R
/ 1000 hours,
1000 V
RMS
for 0.1 s every hour
No visible damage
|C/C
0
| 10%
|tan δ| 0.008 for C 1 µF
|tan δ| 0.005 for C > 1 µF
Voltage proof
R
INS
50% of initial limit
Passive
flammability
IEC 60384-14 Flame applied for a period of time
depending on capacitor volume
B
Active
flammability
IEC 60384-14 20 discharges at 2.5 kV + V
R
The cheesecloth shall not
burn with a flame
Mounting guidelines
1 Soldering
1.1 Solderability of leads
The solderability of terminal leads is tested to IEC 60068-2-20, test Ta, method 1.
Before a solderability test is carried out, terminals are subjected to accelerated ageing (to
IEC 60068-2-2, test Ba: 4 h exposure to dry heat at 155 °C). Since the ageing temperature is far
higher than the upper category temperature of the capacitors, the terminal wires should be cut off
from the capacitor before the ageing procedure to prevent the solderability being impaired by the
products of any capacitor decomposition that might occur.
Solder bath temperature 235 ±5 °C
Soldering time 2.0 ±0.5 s
Immersion depth 2.0 +0/0.5 mm from capacitor body or seating plane
Evaluation criteria:
Visual inspection Wetting of wire surface by new solder 90%, free-flowing solder
B32924*4 ... B32926*4
X2 / 350 V AC
Page 10 of 21Please read Cautions and warnings and
Important notes at the end of this document.
1.2 Resistance to soldering heat
Resistance to soldering heat is tested to IEC 60068-2-20, test Tb, method 1A.
Conditions:
Series Solder bath temperature Soldering time
MKT boxed (except 2.5 × 6.5 × 7.2 mm)
coated
uncoated (lead spacing > 10 mm)
260 ±5 °C 10 ±1 s
MFP
MKP (lead spacing > 7.5 mm)
MKT boxed (case 2.5 × 6.5 × 7.2 mm)
5 ±1 s
MKP
MKT
(lead spacing 7.5 mm)
uncoated (lead spacing 10 mm)
insulated (B32559)
< 4 s
recommended soldering
profile for MKT uncoated
(lead spacing 10 mm) and
insulated (B32559)
Immersion depth 2.0 +0/0.5 mm from capacitor body or seating plane
Shield Heat-absorbing board, (1.5 ±0.5) mm thick, between capacitor
body and liquid solder
Evaluation criteria:
Visual inspection No visible damage
C/C
0
2% for MKT/MKP/MFP
5% for EMI suppression capacitors
tan δ As specified in sectional specification
B32924*4 ... B32926*4
X2 / 350 V AC
Page 11 of 21Please read Cautions and warnings and
Important notes at the end of this document.
1.3 General notes on soldering
Permissible heat exposure loads on film capacitors are primarily characterized by the upper cate-
gory temperature T
max
. Long exposure to temperatures above this type-related temperature limit
can lead to changes in the plastic dielectric and thus change irreversibly a capacitor's electrical
characteristics. For short exposures (as in practical soldering processes) the heat load (and thus
the possible effects on a capacitor) will also depend on other factors like:
Pre-heating temperature and time
Forced cooling immediately after soldering
Terminal characteristics:
diameter, length, thermal resistance, special configurations (e.g. crimping)
Height of capacitor above solder bath
Shadowing by neighboring components
Additional heating due to heat dissipation by neighboring components
Use of solder-resist coatings
The overheating associated with some of these factors can usually be reduced by suitable coun-
termeasures. For example, if a pre-heating step cannot be avoided, an additional or reinforced
cooling process may possibly have to be included.
EPCOS recommendations
As a reference, the recommended wave soldering profile for our film capacitors is as follows:
B32924*4 ... B32926*4
X2 / 350 V AC
Page 12 of 21Please read Cautions and warnings and
Important notes at the end of this document.

B32926A4275M000

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
Safety Capacitors FILM CAP X2 High Humidity(85/85/330) MKP 2.7 F 20% 350Vac LS 37.5mm
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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