TDK TDK Electronics · TDK Europe

Capacitors for DC‑Link circuits

TDK is one of the world’s leading manufacturer of DC-Link capacitors.
Explore our comprehensive portfolio by clicking on the application icons below.

Topologies with inverter circuits for power conversion have increasing importance in the automotive electronic applications. The selection of the right capacitor for the DC-link function is the key to achieve the best solution in terms of electrical function, mechanical and thermal requirements, as well as cost optimization.

TDK has the largest variety of technologies and product portfolio for all concerned inverter applications in order to serve his customers best. This application support gives a perfect overview to make the right decisions for the best solution.

Inverter applications for the 12 V and 48 V Bordnet in the range of 500 W

like HVAC Fan, Wiper, ABS/ESR Pump, etc.

[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC





all values apply for a single elementall values apply for a single element
Max. Operational Temperature
(ambient + self heating)
125 °C

135 °C
135 °C

150 °C
125 °C125 °C125 °C
(150 °C special)
125 °C
(150 °C special)
Max. Ripple Current Capability
10 kHz, 125 °C / 150 °C
3.2 A (125 °C)

4.4 A (125 °C)
3.8 A (125 °C)

11.6 A (125 °C)
2.1 A (150 °C)
2 … 20 ARMS (55 °C, 20 kHz)2 … 20 ARMS (55 °C, 20 kHz)1.2 … 1.6 A1.1 … 2.7 A
ESR
≤ 18 mΩ (20 °C, 100 kHz)

≤ 28 mΩ (20 °C, 100 kHz)
≤ 34 mΩ (20 °C, 100 kHz)

≤ 42 mΩ (20 °C, 10  kHz)
3 … 12 mΩ (20 °C, 20 kHz)3 … 12 mΩ (20 °C, 20 kHz)

10 kHz:
2 … 17 mΩ

100 kHz:
1.3 … 3.8 mΩ

1 MHz:
1.6 … 8.0 mΩ

10 kHz:
11 … 43 mΩ

100 kHz:
5 … 8 mΩ

1 MHz:
4.3 … 10 mΩ

Capacitance360 µF (35 VDC)

3000 µF (35 VDC)
1200 µF (63 VDC)

510 µF (63 VDC)
2 x 2.2 µF (63 VDC, 2 A, 55 °C, 20 kHz)

4.7 µF (63 VDC, 2 A, 55 °C, 20 kHz)

22 µF (63 VDC, 9 A, 55 °C, 20 kHz)

68 µF (63 VDC, 12 A, 55 °C, 20 kHz)

80 µF (63 VDC, 20 A, 55 °C, 20 kHz) ⑤
2 x 2.2 µF (63 VDC, 2 A, 55 °C, 20 kHz)

4.7 µF (63 VDC, 2 A, 55 °C, 20 kHz)

22 µF (63 VDC, 9 A, 55 °C, 20 kHz)

68 µF (63 VDC, 12 A, 55 °C, 20 kHz)

80 µF (63 VDC, 20 A, 55 °C, 20 kHz) ⑤
10 … 100 µF ③4.7 … 22 µF ③
Mounting type, terminalsSMD

Single-ended
Single-ended

Axial-lead and Soldering Star
Parallel wire leadsParallel wire leadsSMDSMD
Volume0.98 cm³

5.03 cm³
8.8 cm³

6.03 cm³
0.12 … 15.6 cm³0.12 … 15.6 cm³0.02 … 0.15 cm³ ④0.02 … 0.15 cm³ ④
Height12.5 mm

25 mm
31.5 mm

30 mm
6.5 …  27.5 mm6.5 …  27.5 mm2.5 … 5.0 mm2.5 … 5.0 mm
ProductsProductsProductsProductsProductsProducts


Inverter applications for the 12 V and 48 V Bordnet in the range of 1 kW and higher

like Power Steering, Engine Fan, Climate Compressor, eCharger, etc.

[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC





all values apply for a single elementall values apply for a single element
Max. Operational Temperature
(ambient + self heating)
125 °C

150 °C

150 °C
150 °C

150 °C
125 °C125 °C125 °C
(150 °C special)
125 °C
(150 °C special)
Max. Ripple Current Capability
10 kHz, 125 °C / 150 °C
2.8 A (125 °C)

22 A (125 °C)
2.68 A (150 °C)

12.5 A (125 °C)  
2.2 A (150 °C)
17.2 A (125 °C)
3.1 A (150 °C)

19.1 A (125 °C)
2.28 A (150 °C)
2 … 20 ARMS (55 °C, 20 kHz)2 … 20 ARMS (55 °C, 20 kHz)1.2 … 1.6 A1.1 … 2.7 A
ESR
≤20 mΩ (20 °C, 100 kHz)

≤5.1 mΩ (20 °C, 20 kHz)

≤41 mΩ (20 °C, 10 kHz)
≤26 mΩ (20 °C, 100 kHz)

≤6.4 mΩ (20 °C, 20 kHz)
3 … 12 mΩ (20 °C, 20 kHz)3 … 12 mΩ (20 °C, 20 kHz)

10 kHz:
2 … 17 mΩ

100 kHz:
1.3 … 3.8 mΩ

1 MHz:
1.6 … 8.0 mΩ 

10 kHz:
11 … 43 mΩ

100 kHz:
5 … 8 mΩ

1 MHz:
4.3 … 10 mΩ 

Capacitance270 µF (35 VDC)

1200 µF (25 VDC)

1300  µF (25 VDC)
820 µF (63 VDC)

390 µF (63 VDC)
2 x 2.2 µF (63 VDC, 2 A, 55 °C, 20 kHz)

4.7 µF (63 VDC, 2 A, 55 °C, 20 kHz)

22 µF (63 VDC, 9 A, 55 °C, 20 kHz)

68 µF (63 VDC, 12 A, 55 °C, 20 kHz)

80 µF (63 VDC, 20 A, 55 °C, 20 kHz) ⑤
2 x 2.2 µF (63 VDC, 2 A, 55 °C, 20 kHz)

4.7 µF (63 VDC, 2 A, 55 °C, 20 kHz)

22 µF (63 VDC, 9 A, 55 °C, 20 kHz)

68 µF (63 VDC, 12 A, 55 °C, 20 kHz)

80 µF (63 VDC, 20 A, 55 °C, 20 kHz) ⑤
10 … 100 µF ③4.7 … 22 µF ③
Mounting type, terminalsSMD

Axial-lead and Soldering Star
Axial-lead and Soldering StarParallel wire leadsParallel wire leadsSMDSMD
Volume0.78 cm³

3.85 cm³

6.03 cm³
8.9 cm³

3.85 cm³
0.12 … 15.6 cm³0.12 … 15.6 cm³0.02 … 0.15 cm³ ④0.02 … 0.15 cm³ ④
Height10 mm

25 mm

30 mm
35 mm

25 mm
6.5 …  27.5 mm6.5 …  27.5 mm2.5 … 5.0 mm2.5 … 5.0 mm
ProductsProductsProductsProductsProductsProducts

Integrated or Belt-Starter-Generator and Motors for a power of 12 to 20 kW and higher in the 48 V Bordnet

[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC

Key Characteristics ①

63 VDC48 V48 V



all values apply for a single element
Max. Operational Temperature
(ambient + self heating)
150 °C

150 °C
125 °C125 °C
(150 °C special)
Max. Ripple Current Capability
10 kHz, 125 °C / 150 °C
17.2 A (125 °C)
3.1 A (150 °C)

24.3 A (125 °C)
3.2 A (150 °C)
2 … 20 ARMS (55 °C, 20 kHz)1.1 … 2.7 A
ESR
≤26 mΩ (20 °C, 100 kHz)

≤4.5 mΩ (20 °C, 20 kHz)
3 … 12 mΩ (20 °C, 20 kHz)

10 kHz:
11 … 43 mΩ

100 kHz:
5 … 8 mΩ

1 MHz:
4.3 … 10 mΩ 

Capacitance820 µF (63 VDC)

530 µF (63 VDC)
2 x 2.2 µF (63 VDC, 2 A, 55 °C, 20 kHz)

4.7 µF (63 VDC, 2 A, 55 °C, 20 kHz)

22 µF (63 VDC, 9 A, 55 °C, 20 kHz)

68 µF (63 VDC, 12 A, 55 °C, 20 kHz)

80 µF (63 VDC, 20 A, 55 °C, 20 kHz) ⑤
4.7 … 22 µF ③
Mounting type, terminalsAxial-lead and Soldering StarParallel wire leadsSMD
Volume8.9 cm³

5.03 cm³
0.12 … 15.6 cm³0.02 … 0.15 cm³ ④
Height35 mm

25 mm
6.5 …  27.5 mm2.5 … 5.0 mm
ProductsProductsProducts


DC/DC Converter HV to 12 V

[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header CeraLink
CeraLink
[---Image_alt---] Header CeraLink
CeraLink
Remark

all values apply for a single elementall values apply for a single element
same item as 400 V ② 
for all 500 V types (not SP)for all 900 V types (not SP)
Max. Operational Temperature
(ambient + self heating)
105 °C

125 °C

105 °C

105 °C 
105 °C

125 °C

105 °C

105 °C
125 °C125 °C150 °C150 °C
Max. Ripple Current Capability
@ 150 kHz, 85 °C
3.5 … 108 A (85 °C, 20 kHz)3.5 … 108 A (85 °C, 20 kHz)2.3 … 2.7 A2.3 … 2.7 A 15 … 60 ARMS6 … 45 ARMS
ESR
0.5 … 3 mΩ (70 °C, 10 kHz)0.5 … 3 mΩ (70 °C, 10 kHz)

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ 

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ

3 … 12 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
7 … 45 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
Capacitance10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
0.47 … 1 µF ③0.47 … 1 µF ③0.6 … 6 µF (Ceff)
1 … 10 µF (Cnom)
0.13 … 1.3 µF (Ceff)
0.25 … 2.5 µF (Cnom)
Mounting type, terminalsParallel wire leadsParallel wire leadsSMDSMDSMD / LeadframesSMD / Leadframes
Volume6.6 cm³6.6 cm³0.07 … 0.15 cm³ ④0.07 … 0.15 cm³ ④0.23 … 2.02 cm³0.23 … 2.02 cm³
Height19 mm19 mm2.5 … 5.0 mm2.5 … 5.0 mm4.0 … 9.1 mm4.0 … 9.1 mm
ProductsProductsProductsProductsProductsProducts


HV Heater for 5 kW and higher

[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header CeraLink
CeraLink
[---Image_alt---] Header CeraLink
CeraLink
Remark

all values apply for a single elementall values apply for a single element
same item as 400 V ② 
for all 500 V types (not SP)for all 900 V types (not SP)
Max. Operational Temperature
(ambient + self heating)
105 °C

125 °C

105 °C

105 °C 
105 °C

125 °C

105 °C

105 °C
125 °C125 °C150 °C150 °C
Max. Ripple Current Capability
10 kHz, 125 °C / 150 °C
3.5 … 108 A (85 °C, 20 kHz)3.5 … 108 A (85 °C, 20 kHz)0.8 … 1.1 A0.8 … 1.1 A3.6 … 15 ARMS2.7 … 10 ARMS
ESR
0.5 … 3 mΩ (70 °C, 10 kHz)0.5 … 3 mΩ (70 °C, 10 kHz)

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ 

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ

3 … 12 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
7 … 45 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
Capacitance10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
0.47 … 1 µF ③0.47 … 1 µF ③0.6 … 6 µF (Ceff)
1 … 10 µF (Cnom)
0.13 … 1.3 µF (Ceff)
0.25 … 2.5 µF (Cnom)
Mounting type, terminalsParallel wire leadsParallel wire leadsSMDSMDSMD / LeadframesSMD / Leadframes
Volume6.6 cm³6.6 cm³0.07 … 0.15 cm³ ④0.07 … 0.15 cm³ ④0.23 … 2.02 cm³0.23 … 2.02 cm³
Height19 mm19 mm2.5 … 5.0 mm2.5 … 5.0 mm4.0 … 9.1 mm4.0 … 9.1 mm
ProductsProductsProductsProductsProductsProducts


HV Auxilliaries in the range of 1 kW

like Climate Compressor, Water Pump and Suspension

[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header CeraLink
CeraLink
[---Image_alt---] Header CeraLink
CeraLink
Remark

all values apply for a single elementall values apply for a single element
same item as 400 V ② 
for all 500 V types (not SP)for all 900 V types (not SP)
Max. Operational Temperature
(ambient + self heating)
105 °C

125 °C

105 °C

105 °C
105 °C

125 °C

105 °C

105 °C
125 °C125 °C150 °C150 °C
Max. Ripple Current Capability
10 kHz, 125 °C / 150 °C
3.5 … 108 A (85 °C, 20 kHz)3.5 … 108 A (85 °C, 20 kHz)0.8 … 1.1 A0.8 … 1.1 A3.6 … 15 ARMS2.7 … 10 ARMS
ESR
0.5 … 3 mΩ (70 °C, 10 kHz)0.5 … 3 mΩ (70 °C, 10 kHz)

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ 

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ

3 … 12 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
7 … 45 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
Capacitance10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
0.47 … 1 µF ③0.47 … 1 µF ③0.6 … 6 µF (Ceff)
1 … 10 µF (Cnom)
0.13 … 1.3 µF (Ceff)
0.25 … 2.5 µF (Cnom)
Mounting type, terminalsParallel wire leadsParallel wire leadsSMDSMDSMD / LeadframesSMD / Leadframes
Volume6.6 cm³6.6 cm³ 0.07 … 0.15 cm³ ④0.07 … 0.15 cm³ ④0.23 … 2.02 cm³0.23 … 2.02 cm³
Height19 mm19 mm2.5 … 5.0 mm2.5 … 5.0 mm4.0 … 9.1 mm4.0 … 9.1 mm
ProductsProductsProductsProductsProductsProducts


On Board Charger for PHEV and BEV

[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Alu
Aluminum Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header Film
Film Capacitors
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header MLCC
MLCC
[---Image_alt---] Header CeraLink
CeraLink
[---Image_alt---] Header CeraLink
CeraLink
Remark
series configuration of 450 / 500 VDC capacitors

all values apply for a single elementall values apply for a single element
same item as 400 V ②
for all 500 V types (not SP)for all 900 V types (not SP)
Max. Operational Temperature
(ambient + self heating)
105 °C105 °C105 °C

125 °C

105 °C

105 °C
105 °C

125 °C

105 °C

105 °C
125 °C125 °C150 °C150 °C
Max. Ripple Current Capability
100 kHz, 85 °C
4.91 A (120 Hz, 85 °C)

3.93 A (120 Hz, 85 °C)
4.91 A (120 Hz, 85 °C)

3.93 A (120 Hz, 85 °C)
3.5 … 108 A (85 °C, 20 kHz)3.5 … 108 A (85 °C, 20 kHz)2.0 … 2.5 A2.0 … 2.5 A11 … 47 A5 … 32 A
ESR
≤140 mΩ (20 °C, 120 Hz)
≤50 mΩ (60 °C, 120 Hz)

≤170 mΩ (20 °C, 120 Hz)
≤50 mΩ (60 °C, 120 Hz)
≤140 mΩ (20 °C, 120 Hz)
≤50 mΩ (60 °C, 120 Hz)

≤170 mΩ (20 °C, 120 Hz)
≤50 mΩ (60 °C, 120 Hz)
0.5 … 3 mΩ (70 °C, 10 kHz)0.5 … 3 mΩ (70 °C, 10 kHz)

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ 

10 kHz:
60 … 130 mΩ

100 kHz:
10 … 20 mΩ

1 MHz:
7 … 15 mΩ

3 … 12 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
7 … 45 mΩ
@ 0 VDC, 0.5 VAC, 25 °C, 1 MHz
Capacitance820 µF (450 VDC)

390 µF (500 VDC)
820 µF (450 VDC)

390 µF (500 VDC)
10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
10 µF (15 A, 100 kHz, 85 °C)

12 µF (15 A, 100 kHz, 85 °C)

18 µF (15 A, 100 kHz, 85 °C)
0.47 … 1 µF ③0.47 … 1 µF ③0.6 … 6 µF (Ceff)
1 … 10 µF (Cnom)
0.13 … 1.3 µF (Ceff)
0.25 … 2.5 µF (Cnom)
Mounting type, terminalsSnap-in version with 3 terminalsSnap-in version with 3 terminalsParallel wire leadsParallel wire leadsSMDSMDSMD / LeadframesSMD / Leadframes
Volume48.1 cm³48.1 cm³6.6 cm³6.6 cm³0.07 … 0.15 cm³ ④0.07 … 0.15 cm³ ④0.23 … 2.02 cm³0.23 … 2.02 cm³
Height50 mm50 mm19 mm19 mm2.5 … 5.0 mm2.5 … 5.0 mm4.0 … 9.1 mm4.0 … 9.1 mm 
ProductsProductsProductsProductsProductsProductsProductsProducts


Customized DC-link Capacitors for HV Traction Inverter

[---Image_alt---] Traction Inverter
  • Focused on high volume projects
  • Robust thermal and mechanical designs
  • High power density
  • Wide temperature ranges
  • Ultra low ESR & ESL designs
  • Complies with highest automotive requirements


For high volume requests contact your local sales or send a product inquiry

Further information about TDK Film Capacitors keyboard_arrow_right

Remarks

① other key characteristics like, life time, resonant frequency, ESL, dV/dt, tolerance depend much on customer solution and have to be evaluated individually
② same item as 400 V, but series + parallel connection needed, means Key Characteristics are changing
③ Cap value depends on applied voltage
④ Volume of single item
⑤ Customized solution upon request