DPM4S1K-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The DPM4S1K-F is a 10000 pF film capacitor manufactured by Cornell Dubilier Electronics (CDE) in the DPM series. This radial through-hole component features a polypropylene metallized dielectric rated for 400V DC operation with ±10% capacitance tolerance. The part is designed for DC link and DC filtering applications in high-frequency switching circuits, offering low ESR and low ESL characteristics. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating, the DPM4S1K-F remains in production. Substitute parts are identified when inventory constraints, lead time requirements, or application-specific packaging needs necessitate alternative sourcing from qualified manufacturers maintaining identical electrical and mechanical specifications.

Substiute Parts

DPM4S1K-F

Cornell Dubilier Electronics (CDE)In Stock: 729DPM4S1K-F Datasheet

Current PartRFQ

103MPR400K

Cornell Dubilier / Illinois CapacitorIn Stock: 7167103MPR400K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DPM4S1K-F are qualified based on strict electrical and mechanical parameter matching. The substitution logic requires:

Electrical Parameters (Non-negotiable):

• Capacitance value: 10000 pF (exact match)
• Tolerance: ±10% (exact match)
• Voltage rating DC: 400V (exact match)
• Voltage rating AC: 220V (exact match)
• Dielectric material: Polypropylene (PP), Metallized (exact match)
• Operating temperature range: -55°C ~ 105°C (exact match or wider range acceptable)

Mechanical Parameters (Non-negotiable):

• Mounting type: Through Hole (exact match)
• Package type: Radial (exact match)
• Lead spacing: 0.394" / 10.00mm (exact match for PCB compatibility)
• Termination: PC Pins (exact match)

Compliance Parameters (Non-negotiable):

• RoHS Status: ROHS3 Compliant (exact match)
• MSL Rating: 1 or better (exact match or superior)

Substitute parts must maintain identical application suitability for DC Link and DC Filtering in high-frequency switching circuits. Physical dimensions may vary within the radial package envelope provided lead spacing remains constant at 10.00mm.

Parameter Comparison

Engineering Selection Recommendations

103MPR400K as Direct Substitute:

The 103MPR400K qualifies as a direct electrical and functional substitute for the DPM4S1K-F based on matching all critical parameters: identical capacitance (10000 pF), tolerance (±10%), voltage ratings (400V DC / 220V AC), dielectric composition (polypropylene metallized), operating temperature range (-55°C ~ 105°C), and through-hole radial package configuration with 10.00mm lead spacing.

Both parts maintain ROHS3 compliance and MSL-1 rating, ensuring regulatory and handling compatibility. Both are manufactured by Cornell Dubilier or affiliated entities, confirming manufacturing process consistency and quality standards.

Physical Dimension Consideration:

The 103MPR400K exhibits reduced physical dimensions (0.197" width vs. 0.276", and 0.354" height vs. 0.551"), resulting in a more compact radial package. This dimensional difference does not affect electrical performance or PCB footprint compatibility, as the critical lead spacing (10.00mm) remains identical. The compact form factor of the 103MPR400K may provide advantages in space-constrained applications while maintaining full electrical equivalence.

Application Suitability:

Both parts are rated for DC Link, DC Filtering, and high-frequency switching applications. The 103MPR400K's specified ESR of 17.684 Ohms confirms low-ESR performance consistent with the DPM4S1K-F feature set, supporting switching circuit requirements.

Selection Basis:

Choose the 103MPR400K when inventory availability, lead time, or packaging preferences favor the MPR series while maintaining identical electrical performance and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can the 103MPR400K be used as a direct replacement for the DPM4S1K-F on existing PCBs?

A: Yes. The 103MPR400K is electrically and mechanically compatible. Both parts feature identical lead spacing (10.00mm), through-hole radial configuration, and PC pin termination. The PCB footprint remains unchanged. The 103MPR400K's more compact physical dimensions do not affect PCB mounting compatibility.

Q: Are there electrical performance differences between the DPM4S1K-F and 103MPR400K?

A: No electrical performance differences exist for the specified parameters. Both parts provide 10000 pF capacitance at ±10% tolerance, 400V DC / 220V AC rating, and polypropylene metallized dielectric. The 103MPR400K specifies 17.684 Ohms ESR, confirming low-ESR performance matching the DPM4S1K-F feature set.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both the DPM4S1K-F and 103MPR400K are ROHS3 compliant with MSL-1 (unlimited) moisture sensitivity rating. Both are REACH unaffected and classified as EAR99 for export control purposes.

Q: What is the significance of the physical dimension differences?

A: The 103MPR400K is more compact (narrower and shorter) than the DPM4S1K-F while maintaining identical lead spacing. This allows the substitute to fit in space-constrained applications without affecting electrical performance or PCB compatibility. The compact form factor is an advantage in high-density circuit designs.

Q: Can the 103MPR400K be used in DC Link and high-frequency switching applications?

A: Yes. Both parts are rated for DC Link, DC Filtering, and high-frequency switching applications. The low-ESR and low-ESL characteristics of both parts support these demanding circuit requirements.

Q: What inventory considerations apply to these parts?

A: The DPM4S1K-F has 673 pieces in stock. The 103MPR400K has 7142 pieces in stock, providing significantly greater availability. Selection may depend on immediate delivery requirements and inventory status.

Q: Are there any temperature or operating condition limitations?

A: Both parts operate identically across the -55°C ~ 105°C temperature range. No operational differences exist between the parts under specified temperature conditions.