MMWA05W2K Film Capacitor Equivalent & Substitute Parts

Part Overview

The MMWA05W2K is a 2 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 50V DC voltage rating and ±10% tolerance. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing design support and procurement continuity. The MMWA series utilizes polyester metallized dielectric technology in an axial through-hole package configuration suitable for general-purpose applications.

Substiute Parts

MMWA05W2K

Cornell Dubilier Electronics (CDE)In Stock: 684MMWA05W2K Datasheet

Current PartRFQ

MMWA05W2K-F

Cornell Dubilier Electronics (CDE)In Stock: 1034MMWA05W2K-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MMWA05W2K is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 2 µF (exact match required)
• Tolerance: ±10% (exact match required)
• Voltage Rating - DC: 50V (minimum requirement; higher ratings acceptable)
• Voltage Rating - AC: 35V (minimum requirement; higher ratings acceptable)
• Dielectric Material: Polyester, Metallized (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Axial (exact match required)
• Physical Dimensions: 0.402" Dia x 1.248" L (exact match required)
• Termination: PC Pins (exact match required)

Substitute parts must satisfy all parameters listed above to ensure functional and mechanical compatibility within the original circuit design.

Parameter Comparison

Engineering Selection Recommendations

The MMWA05W2K-F is a direct functional equivalent to the MMWA05W2K. Both parts are manufactured by Cornell Dubilier Electronics within the MMWA series and share identical electrical and mechanical specifications across all critical parameters.

The primary distinction between these parts is product status and regulatory compliance:

• MMWA05W2K: Classified as obsolete with RoHS non-compliant status
• MMWA05W2K-F: Classified as active with ROHS3 compliance

For new designs or procurement requiring current-production components with modern regulatory compliance, the MMWA05W2K-F is the appropriate selection. Both parts maintain identical performance characteristics within the specified operating parameters and are suitable for direct substitution in general-purpose film capacitor applications.

Frequently Asked Questions (FAQ)

Q: Can MMWA05W2K-F be used as a direct replacement for MMWA05W2K?

A: Yes. The MMWA05W2K-F is electrically and mechanically equivalent to the MMWA05W2K. All critical parameters including capacitance, voltage rating, dielectric material, operating temperature range, physical dimensions, and termination type are identical. Direct substitution is supported.

Q: What is the difference between MMWA05W2K and MMWA05W2K-F?

A: The primary differences are product status and regulatory compliance. The MMWA05W2K is obsolete and RoHS non-compliant, while the MMWA05W2K-F is an active product with ROHS3 compliance. Electrical and mechanical specifications are identical.

Q: Are there any packaging differences between these parts?

A: The MMWA05W2K is supplied in standard packaging, while the MMWA05W2K-F is supplied in bulk packaging. Both parts maintain identical physical dimensions and axial through-hole configuration.

Q: What are the critical parameters for substitution of the MMWA05W2K?

A: Substitution requires exact equivalence in capacitance (2 µF), tolerance (±10%), DC voltage rating (50V), AC voltage rating (35V), dielectric material (polyester metallized), operating temperature range (-55°C to 125°C), mounting type (through hole), package type (axial), physical dimensions (0.402" Dia x 1.248" L), and termination type (PC pins).

Q: Is the MMWA05W2K-F suitable for RoHS-compliant applications?

A: Yes. The MMWA05W2K-F carries ROHS3 compliance certification, making it suitable for applications requiring RoHS compliance. The original MMWA05W2K is RoHS non-compliant.

Q: Can these capacitors be used in high-temperature applications?

A: Yes. Both the MMWA05W2K and MMWA05W2K-F are rated for operation across the temperature range of -55°C to 125°C, supporting high-temperature general-purpose applications within this specification.