PVC12227 Film Capacitor Equivalent & Substitute Parts

Part Overview

The PVC12227 is a 2700 pF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 1.2 kV DC voltage rating and ±10% tolerance. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system maintenance and new design implementations. The radial polypropylene film construction provides general-purpose capacitance functionality suitable for through-hole mounting applications.

Substiute Parts

PVC12227

Cornell Dubilier Electronics (CDE)In Stock: 1071PVC12227 Datasheet

Current PartRFQ

B32671L1272J000

EPCOS - TDK ElectronicsIn Stock: 3556B32671L1272J000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PVC12227 is determined by the following critical parameters:

Capacitance Match: The substitute part must provide 2700 pF capacitance to maintain circuit functionality.

Voltage Rating Compatibility: The substitute must meet or exceed the 1.2 kV DC voltage requirement. Higher voltage ratings provide additional safety margin and are acceptable for substitution.

Dielectric Material: Polypropylene (PP) film construction is required to maintain electrical characteristics and temperature stability.

Mounting and Termination: Through-hole radial mounting with PC pins ensures mechanical compatibility with existing PCB layouts.

Tolerance Consideration: The original ±10% tolerance may be substituted with tighter tolerances (such as ±5%) without functional degradation.

Temperature Range: The substitute must support the operating temperature range of -55°C to 105°C or broader.

Compliance Standards: RoHS3 compliance and REACH unaffected status are maintained across substitutes.

Parameter Comparison

Engineering Selection Recommendations

The B32671L1272J000 manufactured by EPCOS - TDK Electronics is a direct substitute for the obsolete PVC12227. This substitute provides superior electrical performance through the following characteristics:

Voltage Rating Enhancement: The 1.6 kV DC rating exceeds the original 1.2 kV requirement, providing increased safety margin and extended component lifespan in high-voltage applications.

Improved Tolerance: The ±5% tolerance is tighter than the original ±10%, resulting in more precise capacitance values and improved circuit performance.

Extended Temperature Range: The -55°C to 110°C operating range extends the upper temperature limit by 5°C, supporting broader environmental conditions.

Active Product Status: The substitute is currently in active production with 3482 units in stock, ensuring long-term availability and supply chain reliability.

Compliance Maintenance: Both RoHS3 compliance and REACH unaffected status are preserved, maintaining regulatory requirements for new designs and replacements.

Metallized Construction: The metallized polypropylene dielectric in the substitute provides self-healing properties, enhancing reliability in high-frequency and switching applications.

Frequently Asked Questions (FAQ)

Q: Can the B32671L1272J000 be used as a direct replacement for the PVC12227 in existing designs?

A: Yes. The B32671L1272J000 meets all critical substitution parameters: identical 2700 pF capacitance, higher 1.6 kV DC voltage rating, compatible through-hole radial mounting, and PC pin termination. The higher voltage rating and tighter tolerance provide performance improvements over the original part.

Q: What is the difference between the dielectric materials in these two capacitors?

A: The PVC12227 uses standard polypropylene (PP) film, while the B32671L1272J000 uses metallized polypropylene (PP). Metallized construction provides self-healing capability, which improves reliability under electrical stress and extends operational life in demanding applications.

Q: Are there any physical dimension differences that could affect PCB layout?

A: Yes. The PVC12227 has dimensions of 0.421" Dia x 1.252" L with 0.969" lead spacing. The B32671L1272J000 has dimensions of 0.512" L x 0.197" W with 0.394" lead spacing. The substitute is significantly smaller and has reduced lead spacing, requiring PCB layout verification before implementation.

Q: Does the tighter ±5% tolerance of the substitute affect circuit compatibility?

A: No. Tighter tolerance is a performance improvement. Circuits designed for ±10% tolerance will function correctly with ±5% tolerance components. The substitute provides more precise capacitance values, which may improve circuit performance.

Q: What is the temperature operating range difference?

A: The PVC12227 operates from -55°C to 105°C, while the B32671L1272J000 operates from -55°C to 110°C. The substitute supports an additional 5°C at the upper temperature limit, providing broader environmental compatibility.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the PVC12227 and B32671L1272J000 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: What inventory status should be considered for procurement?

A: The PVC12227 is obsolete with 1021 units in stock. The B32671L1272J000 is active production with 3482 units in stock, ensuring reliable long-term availability for new designs and ongoing replacements.