DCP4L045006DD2KSSD Equivalent & Substitute Parts

Part Overview

The DCP4L045006DD2KSSD is a 5 µF film capacitor manufactured by WIMA, designed for DC-link and DC filtering applications in automotive environments. This metallized polypropylene (PP) radial capacitor operates at 800V DC with a rated temperature range of -55°C to 105°C. The component is currently in active production status with 741 pieces available in new original inventory. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and automotive compliance ratings to ensure direct functional replacement in circuit designs.

Substiute Parts

DCP4L045006DD2KSSD

WIMAIn Stock: 808DCP4L045006DD2KSSD Datasheet

Current PartRFQ

DCP4L045006DD2KSSD

WIMAIn Stock: 808DCP4L045006DD2KSSD Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DCP4L045006DD2KSSD is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Capacitance value: 5 µF (exact match required)
• Voltage rating: 800V DC minimum
• Tolerance: ±10% or tighter
• Dielectric material: Polypropylene (PP), Metallized
• ESR: 14.6 mOhms or lower
• Operating temperature range: -55°C to 105°C minimum

Mechanical Equivalence Criteria:

• Mounting type: Through Hole
• Package configuration: Radial
• Physical dimensions: 31.50mm L × 13.00mm W (±tolerance)
• Height seated: 24.00mm maximum
• Lead spacing: 27.50mm
• Termination: PC Pins

Compliance Criteria:

• Automotive rating: AEC-Q200 required
• Product status: Active

Substitute parts must match all electrical parameters, maintain mechanical compatibility with existing PCB layouts, and retain automotive compliance certification. No parameter relaxation or functional compromise is acceptable for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The DCP4L045006DD2KSSD is an active production component with established automotive compliance (AEC-Q200 certification). When selecting equivalent or substitute parts, the following engineering criteria apply:

Compliance and Availability: Direct substitutes must maintain AEC-Q200 automotive qualification to ensure compliance with vehicle electrical system requirements. Active production status ensures long-term supply chain stability and consistent quality control.

Electrical Performance: The 5 µF capacitance at 800V DC with 14.6 mOhms ESR defines the electrical performance envelope. Substitute parts must not exceed the specified ESR value, as higher resistance increases thermal dissipation and reduces circuit efficiency in DC-link filtering applications.

Mechanical Compatibility: The radial through-hole configuration with 27.50mm lead spacing and 24.00mm seated height is critical for PCB layout compatibility. Dimensional variations outside specified tolerances will result in assembly incompatibility and potential circuit board damage.

Thermal Performance: The -55°C to 105°C operating temperature range is mandatory for automotive applications. Substitute parts must support the full temperature range without performance degradation or reliability compromise.

Material Specification: Metallized polypropylene dielectric material is specified for this application. Alternative dielectric materials (polyester, polycarbonate, or other film types) are not acceptable substitutes due to different electrical characteristics and thermal stability profiles.

Frequently Asked Questions (FAQ)

Q: Can I substitute the DCP4L045006DD2KSSD with a capacitor from a different manufacturer?

A: Substitution is possible only if the alternative part matches all specified electrical parameters (5 µF, 800V DC, ±10% tolerance, 14.6 mOhms ESR), maintains identical mechanical dimensions (31.50mm × 13.00mm, 27.50mm lead spacing), uses metallized polypropylene dielectric, and carries AEC-Q200 automotive certification. The part number must be verified against the original specification before substitution.

Q: What happens if I use a capacitor with higher ESR than 14.6 mOhms?

A: Higher ESR values increase resistive losses and thermal dissipation within the capacitor. In DC-link filtering applications, this reduces circuit efficiency and may cause premature component failure due to excessive heat generation. The specified 14.6 mOhms ESR is a maximum limit for this application.

Q: Are there any restrictions on lead spacing or physical dimensions?

A: Yes. The 27.50mm lead spacing and 31.50mm × 13.00mm dimensions are fixed by PCB layout design. Deviations from these specifications will prevent proper insertion into the circuit board and may cause mechanical damage during assembly. Exact dimensional matching is required.

Q: Can I use a capacitor rated for higher voltage (e.g., 1000V) as a substitute?

A: Higher voltage ratings are generally acceptable from an electrical standpoint, provided all other parameters (capacitance, tolerance, ESR, dielectric material, temperature range, and mechanical dimensions) remain identical. However, physical dimensions may change with higher voltage ratings, which could create mechanical incompatibility. Verify complete specifications before substitution.

Q: Is AEC-Q200 certification mandatory for automotive applications?

A: Yes. AEC-Q200 certification is required for automotive-grade film capacitors. This certification ensures the component meets automotive reliability, temperature cycling, and quality standards. Substitutes without AEC-Q200 certification are not acceptable for automotive DC-link and DC filtering applications.

Q: What is the significance of the ±10% tolerance specification?

A: The ±10% tolerance defines the acceptable capacitance variation from the nominal 5 µF value. This means the actual capacitance can range from 4.5 µF to 5.5 µF. Substitute parts must maintain this tolerance or tighter (e.g., ±5%) to ensure circuit performance consistency. Wider tolerances are not acceptable.

Q: Can I substitute with a capacitor having a different dielectric material?

A: No. Metallized polypropylene (PP) dielectric is specified for this application. Alternative materials such as polyester, polycarbonate, or ceramic have different electrical characteristics, temperature coefficients, and reliability profiles. Substitution with different dielectric materials will alter circuit performance and is not permitted.

Q: What is the operating temperature range significance?

A: The -55°C to 105°C range covers automotive environmental extremes, from cold-start conditions to high-temperature engine compartment operation. Substitute parts must support the full range without performance degradation, capacitance shift, or reliability compromise. Narrower temperature ranges are not acceptable.