MLP281M450EB1D Equivalent & Substitute Parts

Part Overview

The MLP281M450EB1D is a 280 µF, 450 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the MLP series. This FlatPack, tabbed chassis mount capacitor is designed for general purpose applications requiring high voltage energy storage with specified ripple current handling at both low and high frequencies. The part is currently active in production with 768 pieces available in new original inventory stock. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require component alternatives that maintain identical electrical and mechanical specifications.

Substiute Parts

MLP281M450EB1D

Cornell Dubilier Electronics (CDE)In Stock: 855MLP281M450EB1D Datasheet

Current PartRFQ

MLP281M450EB1A

Cornell Dubilier Electronics (CDE)In Stock: 787MLP281M450EB1A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MLP281M450EB1D is based on strict equivalence across all critical electrical and mechanical parameters. The substitute part MLP281M450EB1A is classified as a parametric equivalent because it maintains identical specifications across the following key parameters:

Electrical Parameters:

• Capacitance: 280 µF (identical)
• Voltage Rating: 450 V (identical)
• Tolerance: ±20% (identical)
• ESR: 585 mOhm @ 120 Hz (identical)
• Lifetime: 2000 Hrs @ 85°C (identical)
• Operating Temperature Range: -40°C ~ 85°C (identical)
• Ripple Current @ Low Frequency: 2 A @ 120 Hz (identical)
• Ripple Current @ High Frequency: 2.3 A @ 20 kHz (identical)

Mechanical Parameters:

• Lead Spacing: 1.000" (25.40 mm) (identical)
• Size / Dimension: 3.000" L x 1.750" W (76.20 mm x 44.45 mm) (identical)
• Height - Seated (Max): 0.500" (12.70 mm) (identical)
• Mounting Type: Chassis Mount (identical)
• Package / Case: FlatPack, Tabbed (identical)
• Polarization: Polar (identical)
• Series: MLP (identical)

Both parts are manufactured by Cornell Dubilier Electronics (CDE) and maintain active product status. The substitute relationship is based on complete parameter alignment, ensuring direct interchangeability in circuit applications and physical board layouts.

Parameter Comparison

Engineering Selection Recommendations

Both the MLP281M450EB1D and MLP281M450EB1A are active products manufactured by Cornell Dubilier Electronics and maintain identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and supply chain considerations rather than technical performance differences.

MLP281M450EB1D is the primary part number with 768 pieces currently in new original inventory stock.

MLP281M450EB1A is the parametric equivalent substitute with 714 pieces currently in new original inventory stock, providing an alternative sourcing option when the primary part number is unavailable.

Both parts carry identical compliance certifications: RoHS non-compliant status, REACH affected designation, EAR99 ECCN classification, and HTSUS code 8532.22.0085. Moisture sensitivity level is 1 (Unlimited) for both parts, indicating no special moisture handling requirements during storage or assembly.

Component selection should be based on procurement lead times, supplier availability, and project scheduling requirements. No technical re-qualification is necessary when substituting between these two part numbers due to complete parameter equivalence.

Frequently Asked Questions (FAQ)

Q: Can MLP281M450EB1A be used as a direct replacement for MLP281M450EB1D in existing circuit designs?

A: Yes. Both parts are parametric equivalents with identical capacitance (280 µF), voltage rating (450 V), ESR (585 mOhm @ 120 Hz), ripple current specifications (2 A @ 120 Hz, 2.3 A @ 20 kHz), operating temperature range (-40°C ~ 85°C), and lifetime rating (2000 Hrs @ 85°C). No circuit re-design or re-qualification is required.

Q: Are the physical dimensions and mounting characteristics identical?

A: Yes. Both parts share identical mechanical specifications: 3.000" L x 1.750" W (76.20 mm x 44.45 mm) body dimensions, 0.500" (12.70 mm) maximum seated height, 1.000" (25.40 mm) lead spacing, FlatPack tabbed package configuration, and chassis mount mounting type. Board layout and mechanical assembly procedures remain unchanged.

Q: What is the difference between MLP281M450EB1D and MLP281M450EB1A?

A: The two part numbers are parametric equivalents with no electrical or mechanical differences. The difference in the last character of the part number (D versus A) reflects internal CDE manufacturing or revision tracking but does not affect performance, compatibility, or specifications.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical compliance designations: RoHS non-compliant, REACH affected, EAR99 ECCN, and HTSUS code 8532.22.0085. Moisture sensitivity level is 1 (Unlimited) for both parts.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection should be based on current inventory availability and supplier lead times. Both parts are active products with equivalent long-term availability.

Q: What is the tolerance specification for capacitance?

A: Both parts carry ±20% capacitance tolerance, meaning the actual capacitance value will fall between 224 µF and 336 µF at rated conditions.

Q: Are these parts suitable for high-frequency ripple current applications?

A: Yes. Both parts are rated for 2.3 A ripple current at 20 kHz, making them suitable for high-frequency switching power supply applications and similar high-frequency ripple current environments.