DPPM10S1K-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The DPPM10S1K-F is a 10000 pF (10 nF) film capacitor manufactured by Cornell Dubilier Electronics (CDE) in the DPPM series. This radial polypropylene metallized capacitor is rated for 1000V DC and 450V AC operation across a temperature range of -40°C to 105°C. The component is designed for high-frequency switching applications, high-pulse environments, and snubber circuits requiring reliable energy storage and filtering. The part maintains Active product status with 906 units in current inventory stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific performance requirements.

Substiute Parts

DPPM10S1K-F

Cornell Dubilier Electronics (CDE)In Stock: 927DPPM10S1K-F Datasheet

Current PartRFQ

R73QI21004030J

KEMETIn Stock: 2029R73QI21004030J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DPPM10S1K-F is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Capacitance value: 10000 pF (exact match required)
• Voltage Rating - DC: 1000V minimum (equal or higher acceptable)
• Dielectric Material: Polypropylene (PP), Metallized (required for application performance)
• Mounting Type: Through Hole (required for PCB compatibility)
• Package / Case: Radial (required for mechanical fit)
• Termination: PC Pins (required for soldering compatibility)

Allowable Variation Parameters:

• Tolerance: ±10% or tighter (±5% acceptable as improvement)
• Voltage Rating - AC: 400V or higher (equal or higher acceptable)
• Operating Temperature Range: -55°C to 105°C or equivalent (wider range acceptable)
• Physical dimensions: Variation acceptable if mechanical clearance permits

The KEMET R73QI21004030J meets all mandatory matching criteria and qualifies as a direct substitute with improved tolerance specification (±5% versus ±10%).

Parameter Comparison

Engineering Selection Recommendations

Primary Part: DPPM10S1K-F (CDE)

Select the DPPM10S1K-F when the original design specifications require the exact physical footprint, lead spacing of 21.00mm, or the 450V AC rating. This part maintains Active product status with established supply availability (906 units in stock). ROHS3 compliance and REACH unaffected status confirm regulatory alignment for current manufacturing standards.

Substitute Part: R73QI21004030J (KEMET)

The R73QI21004030J qualifies as a functional substitute when circuit board layout permits the smaller physical dimensions (18.00mm L x 6.00mm W, 12.10mm height) and different lead spacing (15.00mm). The substitute provides improved tolerance specification (±5% versus ±10%), extended operating temperature range (-55°C to 105°C), and AEC-Q200 automotive qualification. The 400V AC rating is 50V lower than the primary part; verify that application AC voltage requirements do not exceed 400V. Both parts maintain ROHS3 compliance and REACH unaffected status. The substitute has higher inventory availability (1920 units in stock).

Selection Criteria:

• Use DPPM10S1K-F if PCB layout is fixed to 21.00mm lead spacing or 450V AC operation is required
• Use R73QI21004030J if board redesign is acceptable, AC voltage does not exceed 400V, and improved tolerance or automotive qualification is beneficial
• Both parts are suitable for high-frequency switching, high-pulse, and snubber applications
• Both parts support through-hole assembly with PC pin termination

Frequently Asked Questions (FAQ)

Q: Can R73QI21004030J replace DPPM10S1K-F in an existing PCB design without modification?

A: No. The lead spacing differs (15.00mm versus 21.00mm). PCB layout modification is required. Physical dimensions are also smaller (18.00mm x 6.00mm versus 25.00mm x 9.50mm), which may affect mechanical clearance. Verify board layout compatibility before substitution.

Q: What is the impact of the ±5% tolerance in R73QI21004030J compared to ±10% in DPPM10S1K-F?

A: The R73QI21004030J provides tighter capacitance tolerance (±5%), resulting in more precise capacitance values within the 10000 pF specification. This improves circuit performance consistency and reduces variation in filtering or timing applications. Tighter tolerance is generally beneficial and does not create compatibility issues.

Q: Is the 400V AC rating of R73QI21004030J sufficient if the application uses 450V AC?

A: No. If the application requires 450V AC operation, R73QI21004030J is not suitable. The 50V difference exceeds safe operating margins. Use DPPM10S1K-F or identify an alternative substitute with 450V AC or higher rating.

Q: Are both parts suitable for automotive applications?

A: DPPM10S1K-F does not carry automotive qualification. R73QI21004030J carries AEC-Q200 automotive qualification. If automotive compliance is required, use R73QI21004030J.

Q: What is the significance of the extended temperature range in R73QI21004030J (-55°C to 105°C)?

A: The R73QI21004030J operates at -55°C minimum versus -40°C for DPPM10S1K-F. This extended lower temperature range supports applications in cold environments or equipment with wider operating specifications. The upper limit (105°C) is identical. Extended range does not create compatibility issues and is generally beneficial.

Q: Do both parts comply with current environmental regulations?

A: Yes. Both DPPM10S1K-F and R73QI21004030J are ROHS3 compliant and REACH unaffected, confirming compliance with current environmental and hazardous substance regulations.

Q: What applications are these capacitors designed for?

A: Both parts are suitable for high-frequency switching circuits, high-pulse environments, and snubber applications. The polypropylene metallized dielectric provides stable performance in these demanding conditions. R73QI21004030J additionally supports automotive DC link and DC filtering applications.

Q: Is inventory availability a factor in part selection?

A: Yes. DPPM10S1K-F has 906 units in stock, while R73QI21004030J has 1920 units in stock. If supply continuity is critical, R73QI21004030J offers higher availability. Verify lead times and procurement schedules for your specific requirements.