MMP4P33K-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The MMP4P33K-F is a 0.33 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) designed for general-purpose applications requiring 400V DC voltage rating. This axial-mounted through-hole component features polyester metallized dielectric construction with ±10% capacitance tolerance and operates across the temperature range of -55°C to 125°C. The part maintains Active product status with 940 units currently in stock. Substitute parts are identified when equivalent electrical performance is required due to inventory constraints, application-specific tolerance requirements, or design optimization needs while maintaining compatibility with existing circuit board layouts and electrical specifications.

Substiute Parts

MMP4P33K-F

Cornell Dubilier Electronics (CDE)In Stock: 968MMP4P33K-F Datasheet

Current PartRFQ

150334J400IE

Cornell Dubilier Electronics (CDE)In Stock: 1721150334J400IE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MMP4P33K-F are identified based on strict electrical and mechanical parameter matching. The substitution logic requires:

Critical Parameters (Must Match Exactly):

• Capacitance value: 0.33 µF
• Voltage rating: 400V DC minimum, 200V AC minimum
• Dielectric material: Polyester, Metallized
• Mounting type: Through Hole
• Package type: Axial
• Termination: PC Pins
• Operating temperature range: -55°C to 125°C minimum
• RoHS compliance: ROHS3 Compliant

Allowable Variation Parameters:

• Tolerance: May be tighter (lower percentage) than the original ±10%
• Physical dimensions: Minor variations acceptable if mounting compatibility is maintained
• Packaging format: Bulk or standard packaging formats

The substitute part 150334J400IE meets all critical parameters while offering improved tolerance specification (±5% versus ±10%), making it functionally equivalent with enhanced precision characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection - MMP4P33K-F: Select this part when the original specification tolerance of ±10% is acceptable for the application and existing inventory availability is prioritized. The part maintains Active product status with ROHS3 compliance and REACH unaffected designation, confirming regulatory compliance for current manufacturing standards.

Substitute Selection - 150334J400IE: Select this part when tighter capacitance tolerance (±5%) is required for precision circuit applications. The substitute maintains identical electrical ratings, temperature range, and compliance certifications. Physical dimension differences (cylindrical form factor 10.00mm diameter versus rectangular 14.50mm x 8.00mm) must be evaluated for PCB layout compatibility. Higher inventory availability (1616 units) supports supply chain continuity. Both parts are manufactured by the same supplier (Cornell Dubilier Electronics), ensuring consistent quality standards and reliability characteristics.

Compliance Verification: Both parts satisfy ROHS3 compliance requirements and REACH unaffected status, confirming suitability for applications subject to current environmental and hazardous substance regulations.

Frequently Asked Questions (FAQ)

Q: Can 150334J400IE directly replace MMP4P33K-F in all applications?

A: Electrical substitution is valid when circuit tolerance requirements permit ±5% capacitance variation. Physical dimension differences require PCB layout verification. The substitute's tighter tolerance (±5%) is compatible with applications designed for ±10% tolerance. Mechanical fit must be confirmed for the specific board layout.

Q: What is the primary difference between these two parts?

A: The primary difference is capacitance tolerance specification. MMP4P33K-F provides ±10% tolerance, while 150334J400IE provides ±5% tolerance. All other electrical parameters, voltage ratings, temperature range, and dielectric material are identical. Physical form factors differ slightly in dimensions.

Q: Are both parts RoHS compliant?

A: Yes, both MMP4P33K-F and 150334J400IE are ROHS3 compliant and REACH unaffected, confirming compliance with current environmental regulations for electronic component manufacturing.

Q: Which part should be selected for high-precision applications?

A: The 150334J400IE with ±5% tolerance is appropriate for applications requiring tighter capacitance accuracy. The MMP4P33K-F with ±10% tolerance is suitable for general-purpose applications where wider tolerance is acceptable.

Q: Are there inventory considerations for part selection?

A: Both parts maintain active inventory status. MMP4P33K-F has 940 units in stock, while 150334J400IE has 1616 units available. Selection may be influenced by supply chain requirements and lead time considerations.

Q: Do physical dimension differences affect circuit performance?

A: Physical dimensions do not affect electrical performance. Dimension differences impact PCB layout compatibility and mounting space requirements. Verify board layout accommodates the selected part's form factor before implementation.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -55°C to 125°C, providing identical thermal performance characteristics for applications across this temperature spectrum.