PVC101 Film Capacitor Equivalent & Substitute Parts

Part Overview

The PVC101 is a 0.1 µF polyester film capacitor manufactured by Cornell Dubilier Electronics (CDE), rated for 100V DC operation in a radial through-hole configuration. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new design implementations. The PVC series represents legacy film capacitor technology; substitute parts must maintain electrical performance within the specified tolerance and voltage parameters while accommodating modern packaging and dielectric material standards.

Substiute Parts

PVC101

Cornell Dubilier Electronics (CDE)In Stock: 938PVC101 Datasheet

Current PartRFQ

940C10W1K-F

Cornell Dubilier Electronics (CDE)In Stock: 904940C10W1K-F Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 940C10W1K-F does not qualify as a direct equivalent to the PVC101 based on the following parameter deviations:

Capacitance Mismatch: The 940C10W1K-F is rated at 1 µF, representing a 10× increase from the PVC101 specification of 0.1 µF. This fundamental difference disqualifies it as a functional substitute in circuits designed for 0.1 µF capacitance values.

Voltage Rating Elevation: The 940C10W1K-F operates at 1000V DC, significantly exceeding the PVC101's 100V DC rating. While higher voltage ratings provide design margin, they do not establish substitution compatibility for lower-voltage applications.

Dielectric Material Difference: The 940C10W1K-F employs polypropylene (PP) metallized film, whereas the PVC101 uses polyester film. These materials exhibit distinct frequency response, temperature coefficient, and ESR characteristics.

Package Configuration Change: The 940C10W1K-F is configured as an axial component, contrasting with the PVC101's radial package. This geometric difference affects PCB layout compatibility and mounting procedures.

Operating Temperature Reduction: The 940C10W1K-F maximum operating temperature is 105°C, below the PVC101's 125°C specification.

The provided substitute does not meet the electrical and mechanical criteria for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The 940C10W1K-F cannot be selected as a substitute for the PVC101 in applications requiring 0.1 µF capacitance. The 10× capacitance difference represents a fundamental incompatibility that cannot be resolved through circuit redesign without altering the intended electrical behavior.

For applications currently using the PVC101, the following approach is required:

Direct Replacement: Identify active-production 0.1 µF film capacitors from CDE or equivalent manufacturers with matching voltage rating (minimum 100V DC), radial package configuration, and polyester or equivalent dielectric material. These components must maintain the ±10% tolerance specification and through-hole termination.

Compliance Verification: Confirm ROHS3 compliance and REACH unaffected status for any substitute component to maintain regulatory alignment with the original PVC101 specification.

Temperature Margin: Prioritize substitute parts with operating temperature range of -55°C to 125°C or higher to preserve the thermal performance envelope of the original design.

Frequently Asked Questions (FAQ)

Q: Can the 940C10W1K-F be used in place of the PVC101?

A: No. The 940C10W1K-F has a capacitance value of 1 µF, which is 10 times larger than the PVC101's 0.1 µF specification. This difference makes it unsuitable for direct substitution in circuits designed for 0.1 µF operation.

Q: Why does the substitute part have a higher voltage rating?

A: The 940C10W1K-F is rated for 1000V DC, compared to the PVC101's 100V DC rating. Higher voltage ratings do not establish substitution compatibility; they indicate the component is designed for different application requirements.

Q: What is the significance of the package difference between radial and axial?

A: Radial and axial packages have different physical geometries and PCB mounting footprints. The PVC101 uses radial leads, while the 940C10W1K-F uses axial leads. This difference requires different PCB layout and assembly procedures and prevents direct mechanical substitution.

Q: Does the dielectric material difference affect substitution?

A: Yes. The PVC101 uses polyester film, while the 940C10W1K-F uses polypropylene (PP) metallized film. These materials have different electrical characteristics, including frequency response, temperature coefficient, and ESR behavior, making them unsuitable for direct substitution.

Q: What should be done to replace an obsolete PVC101?

A: Identify an active-production 0.1 µF film capacitor with a minimum 100V DC rating, radial through-hole package, and ROHS3 compliance. The substitute must maintain the ±10% tolerance and -55°C to 125°C operating temperature range.

Q: Is the 940C10W1K-F a valid alternative for any application?

A: The 940C10W1K-F is a valid component for applications requiring 1 µF capacitance at 1000V DC in an axial through-hole configuration. It is not interchangeable with the PVC101 for any application requiring 0.1 µF capacitance.