C4AK Series High Temperature, Long Life DC-Link Film Capacitors
KEMET C4AK series film capacitors feature long life and high voltage
The
KEMET C4AK capacitor is a polypropylene material metalized film capacitor with a rectangular, plastic box type design (black color) filled with resin. It uses two tinned wires. Automotive-grade devices meet the demanding Automotive Electronics Council's AEC-Q200 qualification requirements with longer life at +125°C (higher voltage derated) and +135°C.
Resources
- Blog: C4AK Series High Temperature, Long Life DC-Link Film Capacitors
- Application Note: DC-Link C4AK Film Capacitor Technology in Automotive Applications for Electric
- Blog: KEMET Introduces High Temperature, Power DC-Link Film Capacitor for Extended Lifetime Requirements in Automotive and Green Energy Applications
- 700 VDC to 900 VDC and long life at +125°C
- Voltage derated at +135°C
- THB 85°C/85% R.H. at VR for 1,000 hours
- Low halogen content according to JS709C
- Self-healing
- Low loss
- Low ESL
- Low profile dimensions available by request
- High ripple current
- High dV/dt
- High capacitance density
- High contact reliability
- Suitable for high-frequency applications
- Automotive grade (AEC-Q200)
- DC filtering
- DC links
- Power electronics
- Energy storage
- Renewable energy grid interfaces
- Motor drives
- Automotive applications

C4AK Series High Temperature, Long Life DC-Link Film Capacitors
| Image | Manufacturer Part Number | Description | Tolerance | Dielectric Material | Operating Temperature | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|---|---|---|
![]() | ![]() | C4AKJBU4270A3BJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 0 - Immediate | $32.31 | View Details |
![]() | ![]() | C4AKOBU4120A3WJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 908 - Immediate | $26.11 | View Details |
![]() | ![]() | C4AKJBU4180A3WJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 1505 - Immediate | $26.84 | View Details |
![]() | ![]() | C4AKOBU4150A3BJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 435 - Immediate | $29.86 | View Details |
![]() | ![]() | C4AKOBU4270A3YJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 678 - Immediate | $39.16 | View Details |
![]() | ![]() | C4AKJBU4400A3YJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 0 - Immediate | $40.47 | View Details |
![]() | ![]() | C4AKOBU4500A31J | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 120 - Immediate | $51.24 | View Details |
![]() | ![]() | C4AKJBU4800A31J | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 0 - Immediate | $54.99 | View Details |
![]() | ![]() | C4AKOBW5100A3FJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 68 - Immediate | $84.03 | View Details |
![]() | ![]() | C4AKJBW5220A3HJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 255 - Immediate | $127.68 | View Details |
![]() | ![]() | C4AKOBW5150A3HJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 27 - Immediate | $107.61 | View Details |
![]() | ![]() | C4AKJBW5350A3PJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 90 - Immediate | $156.81 | View Details |
![]() | ![]() | C4AKOBU4800A32J | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 4 - Immediate | $61.43 | View Details |
![]() | ![]() | C4AKJBU5125A32J | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 41 - Immediate | $75.87 | View Details |
![]() | ![]() | C4AKJBW5150A3FJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 32 - Immediate | $88.11 | View Details |
![]() | ![]() | C4AKOBW5140A3JJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 0 - Immediate | $103.45 | View Details |
![]() | ![]() | C4AKJBW5200A3JJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 52 - Immediate | $106.88 | View Details |
![]() | ![]() | C4AKOBW5200A3LJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 12 - Immediate | $131.60 | View Details |
![]() | ![]() | C4AKJBW5300A3LJ | FILM, RADIAL, METALLIZED POLYPRO | ±5% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 58 - Immediate | $139.51 | View Details |
![]() | ![]() | C4AKOBW5240A3PK | FILM, RADIAL, METALLIZED POLYPRO | ±10% | Polypropylene (PP), Metallized | -55°C ~ 135°C | 75 - Immediate | $145.55 | View Details |




