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Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
Series/Type:  
Ordering code:  
ModCap MF  
B25645A*  
Date:  
Version:  
August 2023  
3.0  
Content of header bars 1 and 2 of data sheet will be automatically entered in headers and footers! Please fill in the table and then  
change the color to "white". This ensures that the table disappears (invisible) for the customer PDF.  
Don't change formatting when entering or pasting text in the table and don't add any cell or line in and to it!  
Identification/Classification 1  
(header 1 + top left bar):  
ication/Classification 2  
(header 2 + bottom left header bar):  
Ordering code: (top right header bar)  
Series/Type: (bottom right header bar)  
Preliminary data (optional):  
Department:  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Date:  
Version:  
August 2023  
3.0  
TDK Electronics AG 2023. Reproduction, publication and dissemination of this publication, enclosures hereto and the  
information contained therein without TDK Electronics' prior express consent is prohibited.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Rated Capacitance: 350 … 3900 µF  
Rated DC Voltage: 900 … 2300 V DC  
Construction  
Dielectric: 100% Bio-based Polypropylene film*  
Filling material: Non PCB, PU Resin (UL 94 V-0, Fire & smoke  
EN 45545-2 HL2 R22-HL3R23)  
Plastic case and cover (UL 94 V-0, Fire & smoke  
EN 45545-2HL2 R22-HL3R23)  
Features  
Modular design  
Self-healing technology  
Over-voltage capability  
Low ESL  
RoHS Compliant  
Typical applications  
DC link for renewable energy converters (solar, wind).  
DC link for traction applications (train, tramway,  
Construction A and B  
metro, light train inverters)  
DC link for industrial motor drive  
Reference Standards  
IEC 61071:2017, International Standard Capacitors for power electronics  
IEC 61881-1:2010, International Standard Railway Applications-Rolling  
stock equipment-Capacitors for power electronics  
EN 45545-2 HL3 R23, Fire safety standard  
Terminals  
Optimized low inductance flat female terminals M6  
Certifications  
UL Recognized  
ISCC certification with 100% Bio-based PP film *  
Packing  
Construction A: 4 capacitors per box  
Construction B: 3 capacitors per box  
* (Mass balance approach)  
August 2023  
Please read Cautions and warnings and  
Page 2 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Technical data and specifications  
Characteristics  
Rated capacitance CN  
Tolerance  
Up to 3900 µF (see table)  
K (±10%)  
Rated voltage UN  
900 to 2300 V DC (see table)  
Up to 424 Vpeak-peak  
Ripple voltage Ur  
Operation bandwidth 1)  
Nominal current IN (1 kHz)  
Inductance ESL (1 MHz)  
Up to 50 kHz  
(see table)  
14 nH  
2)  
Thermal Resistance, Rth  
Construction A: 1.4 K/W  
Construction B: 1 K/W  
1) RMS current value that corresponds to components above 50 kHz limited to 10% of total RMS. Maximum continuous losses defined for  
rated current at 1 kHz should not be exceed. ESR vs frequency graphs available in page 5 for losses calculation according to a specific  
current spectrum. For more accurate thermal calculation, please ask for FEA simulation according to your specific operation conditions.  
2) Calculated from T  
to T considering natural convection and no transfer of heat through the terminals. For more accurate thermal  
HS  
amb  
calculation, please ask for FEA simulation according to your specific operation conditions.  
Maximum ratings  
Maximum permissible voltage (Umax  
)
UN +10% (30 % of on-load daily duration)  
UN +15% (up to 30 min daily)  
UN +20% (up to 5 min daily)  
UN +30% (up to 1 min daily)  
Maximum permissible peak voltage  
UN +50% for 30 ms is permitted 1000 times during the lifetime of  
the capacitors  
UTC (Isolation)  
UTC (Extinction)  
5 kV  
3 kV (<10 pC)  
The average applied voltage shall not be higher than the specified voltage.  
It should be recognised that any significant period of operation at voltages above the rated one would reduce lifetime.  
Test data  
1.5 UN, DC, 10 s (room temperature)  
Voltage Test between terminals (UTT )  
Design data  
Weight approx.  
Fixing  
3.7 kg (construction A), 6.1 kg (construction B)  
4 x Ø 6.5 mm  
August 2023  
Please read Cautions and warnings and  
Page 3 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Terminals  
Terminations  
Max. torque  
4 x M6 x 25 x 30 mm, contact area 60 mm2  
6 Nm  
Climatic category 40/75/56  
Θ min  
–40 ºC  
+75 ºC  
Θ max  
Storage temperature  
Ө hotspot max.  
Humidity  
–40 …+85 ºC  
+90 ºC  
av. rel. <93%, 25 g/m3 max.  
56 days  
Time test  
Maximum altitude  
2000 m, higher altitude upon request  
Life expectancy  
Lifetime *)  
Up to 200 000 h (*)  
Up to 65 000 h (**)  
End of life criteria  
C-loss: 3%  
(*) UN, IN and 70 ºC Tamb (80 ºC mean dielectric temperature)  
(**) UN, IN and 80 ºC Tamb (90 ºC mean dielectric temperature)  
August 2023  
Please read Cautions and warnings and  
Page 4 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Ordering codes  
UN  
CN  
IN  
IS  
Î
Dimensions  
LxWxH  
Design / PU  
Ordering code  
mm  
V DC µF  
A
kA  
kA  
900  
2050  
200  
155  
190  
150  
180  
140  
170  
135  
160  
130  
150  
120  
140  
115  
130  
110  
120  
105  
225  
250  
220  
245  
215  
240  
210  
235  
205  
230  
200  
225  
175  
220  
155  
210  
140  
200  
5
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
205x90x170  
220x115x215  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
A / 4pcs  
B / 3pcs  
B25645A9218K003  
B25645A9398K003  
B25645A1178K003  
B25645A1328K003  
B25645A1138K003  
B25645A1258K003  
B25645A1118K003  
B25645A1198K003  
B25645A1108K013  
B25645A1188K003  
B25645A1757K003  
B25645A1138K013  
B25645A1567K003  
B25645A1108K003  
B25645A2447K003  
B25645A2827K003  
B25645A2367K003  
B25645A2677K003  
3900  
1700  
3210  
1330  
2525  
1050  
1985  
980  
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
1000  
1100  
1250  
1350  
1600  
1800  
2000  
2300  
1865  
720  
1375  
535  
1025  
430  
820  
350  
670  
August 2023  
Please read Cautions and warnings and  
Page 5 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
ESR vs frequency  
August 2023  
Please read Cautions and warnings and  
Page 6 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Lifetime expectancy  
Lifetime expectancy for different operation temperatures (*)  
1,05  
1,00  
0,95  
0,90  
0,85  
0,80  
0,75  
T 80ºC  
T 85ºC  
T 90ºC  
1.000  
10.000  
100.000  
200.000 300.000  
Life expectancy(Hours)  
(*) Homogeneous dielectric temperatures  
Derating vs temperature  
Irms derating vs Ambient Temperature  
1,2  
1,0  
0,8  
0,6  
0,4  
0,2  
0,0  
I/Ir  
40  
50  
60  
70  
80  
90  
100  
Temperture(ºC)  
August 2023  
Please read Cautions and warnings and  
Important notes at the end of this document.  
Page 7 of 12  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Dimensional drawing  
Construction A  
August 2023  
Please read Cautions and warnings and  
Page 8 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
Dimensional drawing  
Construction B  
August 2023  
Please read Cautions and warnings and  
Page 9 of 12  
Important notes at the end of this document.  
Film capacitors – Power Electronic Capacitors  
PEC ModCap MF series (medium frequency)  
B25645A*  
ModCap MF  
General safety recommendations  
When employed in power electronics applications, the capacitors run with high energy and high  
currents.  
The energy stored in capacitors may be lethal. To prevent any risks of shocks, the capacitor should be  
discharged with adequate means by qualified people and short-circuited between terminals before  
handling.  
The capacitor can contain dangerous residual charges even after long time without operation. For this  
reason, the electrical terminals must remain short-circuited until the capacitors are connected in the  
operating circuit.  
TDK Electronics cannot predict all possible stresses that a power electronic capacitors can be  
subjected to. There is a remaining probability of power electronic capacitors showing malfunction due  
to excess temperature, overvoltage, wrong application, wrong installation, faulty maintenance,  
mechanical damage, operation at the limits of the specification or other reasons.  
Transportation and handling  
The electrical terminals must not be used for grabbing or suspending the capacitor during  
transportation and handling.  
Do not handle the capacitor before it is discharged.  
Handle capacitors carefully, because they may still be charged even after disconnection due to  
faulty discharging devices.  
Protect the capacitor properly against over current and short circuit.  
Failure to follow cautions may result, worst case, in premature failures, bursting and fire.  
Capacitors >1500V are subjected to Dual Use Category 3A201.  
Fixing  
The threaded screw 4x Ø 6.5 mm in the bottom of the capacitor has to be used for fixing.  
Storage and operating conditions  
Capacitors must never be stored outside the specified temperature and humidity ranges.  
Capacitors may not be stored in corrosive atmospheres, particularly not when chlorides, sulfides,  
acids, alkalis, salts, organic solvents, or similar substances are present.  
Display of ordering codes for TDK Electronics products  
The ordering code for one and the same product can be represented differently in data sheets, data books,  
other publications, on the company website, or in order-related documents such as shipping notes, order  
confirmations and product labels. The varying representations of the ordering codes are due to different  
processes employed and do not affect the specifications of the respective products. Detailed  
information can be found on the Internet under www.tdk-electronics.tdk.com/orderingcodes.  
ModCapTM: ModCap is no trademark in China  
August 2023  
Please read Cautions and warnings and  
Page 10 of 12  
Important notes at the end of this document.  
Important notes  
The following applies to all products named in this publication:  
1. Some parts of this publication contain statements about the suitability of our products for  
certain areas of application. These statements are based on our knowledge of typical  
requirements that are often placed on our products in the areas of application concerned. We  
nevertheless expressly point out that such statements cannot be regarded as binding  
statements about the suitability of our products for a particular customer application. As a  
rule we are either unfamiliar with individual customer applications or less familiar with them than the  
customers themselves. For these reasons, it is always ultimately incumbent on the customer to  
check and decide whether a product with the properties described in the product specification is  
suitable for use in a particular customer application.  
2. We also point out that in individual cases, a malfunction of electronic components or failure  
before the end of their usual service life cannot be completely ruled out in the current state  
of the art, even if they are operated as specified. In customer applications requiring a very high  
level of operational safety and especially in customer applications in which the malfunction or failure  
of an electronic component could endanger human life or health (e.g. in accident prevention or life-  
saving systems), it must therefore be ensured by means of suitable design of the customer  
application or other action taken by the customer (e.g. installation of protective circuitry or  
redundancy) that no injury or damage is sustained by third parties in the event of malfunction or  
failure of an electronic component.  
3. The warnings, cautions and product-specific notes must be observed.  
4. In order to satisfy certain technical requirements, some of the products described in this  
publication may contain substances subject to restrictions in certain jurisdictions (e.g.  
because they are classed as hazardous). Useful information on this will be found in our Material  
Data Sheets on the Internet (www.tdk-electronics.tdk.com/material). Should you have any more  
detailed questions, please contact our sales offices.  
5. We constantly strive to improve our products. Consequently, the products described in this  
publication may change from time to time. The same is true of the corresponding product  
specifications. Please check therefore to what extent product descriptions and specifications  
contained in this publication are still applicable before or when you place an order.  
We also reserve the right to discontinue production and delivery of products. Consequently,  
we cannot guarantee that all products named in this publication will always be available.  
The aforementioned does not apply in the case of individual agreements deviating from the  
foregoing for customer-specific products.  
6. Unless otherwise agreed in individual contracts, all orders are subject to our General Terms and  
Conditions of Supply.  
7. Our manufacturing sites serving the automotive business apply the IATF 16949 standard.  
The IATF certifications confirm our compliance with requirements regarding the quality  
management system in the automotive industry. Referring to customer requirements and customer  
specific requirements (“CSR”) TDK always has and will continue to have the policy of respecting  
individual agreements. Even if IATF 16949 may appear to support the acceptance of unilateral  
requirements, we hereby like to emphasize that only requirements mutually agreed upon can  
and will be implemented in our Quality Management System. For clarification purposes we like  
to point out that obligations from IATF 16949 shall only become legally binding if individually agreed  
upon.  
Page 11 of 12  
Important notes  
8. The trade names EPCOS, CarXield, CeraCharge, CeraDiode, CeraLink, CeraPad, CeraPlas,  
CSMP, CTVS, DeltaCap, DigiSiMic, FilterCap, FormFit, InsuGate, LeaXield, MediPlas, MiniBlue,  
MiniCell, MKD, MKK, ModCap, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap,  
PowerHap, PQSine, PQvar, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID,  
SineFormer, SIOV, ThermoFuse, WindCap, XieldCap are trademarks registered or pending in  
Europe and in other countries. Further information will be found on the Internet at  
www.tdk-electronics.tdk.com/trademarks.  
Release 2023-07  
Page 12 of 12