PVC2X21 Film Capacitor Equivalent & Substitute Parts

Part Overview

The PVC2X21 is a 1000 pF polypropylene film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 2000V DC voltage rating and ±10% tolerance. This component is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing system maintenance, repair, and redesign applications. The radial through-hole configuration and general-purpose design make this capacitor suitable for legacy circuit implementations requiring high-voltage film capacitor technology.

Substiute Parts

PVC2X21

Cornell Dubilier Electronics (CDE)In Stock: 798PVC2X21 Datasheet

Current PartRFQ

B32672L8103J000

EPCOS - TDK ElectronicsIn Stock: 61651B32672L8103J000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PVC2X21 is determined by the following critical parameters:

Voltage Rating Compatibility: The substitute part must maintain or exceed the 2000V DC rating to ensure safe operation in high-voltage applications.

Dielectric Material: Polypropylene (PP) dielectric is required for electrical performance consistency and thermal stability across the operating temperature range.

Mounting Configuration: Through-hole radial mounting with PC pin termination is mandatory for mechanical compatibility with legacy PCB designs.

Capacitance Value: The substitute must provide equivalent or functionally compatible capacitance. The PVC2X21 specifies 1000 pF; however, the substitute part B32672L8103J000 provides 10000 pF (10 nF), representing a 10× capacitance increase. This substitution is valid only in applications where the higher capacitance value does not compromise circuit performance or stability.

Tolerance and Temperature Range: The substitute must support the operating temperature envelope and maintain acceptable tolerance specifications for the intended application.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The PVC2X21 is classified as obsolete, while B32672L8103J000 is active and in production. Selection of the active substitute part ensures long-term availability and supply chain continuity.

Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility in applications subject to environmental standards.

Voltage Rating Equivalence: Both parts are rated for 2000V DC operation, satisfying high-voltage application requirements without derating.

Dielectric Performance: The B32672L8103J000 employs metallized polypropylene construction, which provides enhanced performance characteristics compared to standard polypropylene while maintaining the same dielectric material family.

Temperature Operating Range: The substitute part extends the upper temperature limit to 110°C, providing improved thermal margin over the main part's 105°C maximum.

Capacitance Differential: The 10× capacitance increase (1000 pF to 10000 pF) requires circuit-level evaluation. This substitution is appropriate only in applications where increased capacitance does not introduce instability, resonance issues, or performance degradation.

Frequently Asked Questions (FAQ)

Q: Can B32672L8103J000 directly replace PVC2X21 in all applications?

A: Direct replacement is limited by the 10× capacitance difference. The substitute is suitable only in circuits where the higher capacitance value (10000 pF versus 1000 pF) does not compromise frequency response, filtering characteristics, or circuit stability. Circuit analysis is required to confirm compatibility.

Q: What is the significance of the metallized polypropylene construction in B32672L8103J000?

A: Metallized polypropylene provides self-healing properties and improved high-frequency performance compared to standard polypropylene film. This construction is suitable for high-pulse and switching applications while maintaining the same dielectric material classification.

Q: Are the physical dimensions compatible between these parts?

A: No. The PVC2X21 measures 0.331" diameter × 1.252" length with 0.969" lead spacing. The B32672L8103J000 measures 0.709" length × 0.276" width with 0.591" lead spacing. PCB layout modifications may be required for mechanical accommodation.

Q: Does the ±5% tolerance of B32672L8103J000 provide an advantage over the ±10% tolerance of PVC2X21?

A: Yes. The tighter tolerance specification of the substitute part provides improved capacitance accuracy, which may benefit applications requiring precise filtering or timing characteristics.

Q: Are both parts suitable for high-voltage applications?

A: Yes. Both parts maintain 2000V DC voltage ratings and are suitable for high-voltage circuit implementations. The substitute part additionally supports 700V AC operation compared to the main part's 500V AC rating.

Q: What compliance certifications apply to both parts?

A: Both parts are ROHS3 compliant and REACH unaffected, ensuring compatibility with environmental and regulatory requirements in EU and global markets.