MLP331M420EB1D Equivalent & Substitute Parts

Part Overview

The MLP331M420EB1D is a 330 µF, 420 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 status with 971 pieces in stock. Substitute parts are identified based on identical electrical specifications and mechanical compatibility within the MLP series.

Substiute Parts

MLP331M420EB1D

Cornell Dubilier Electronics (CDE)In Stock: 994MLP331M420EB1D Datasheet

Current PartRFQ

MLP331M420EB0D

Cornell Dubilier Electronics (CDE)In Stock: 1068MLP331M420EB0D Datasheet

Parametric EquivalentRFQ

MLP331M420EB1A

Cornell Dubilier Electronics (CDE)In Stock: 940MLP331M420EB1A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MLP331M420EB1D are identified as parametric equivalents within the MLP series. Substitution is valid when all of the following criteria are met:

• Capacitance value: 330 µF
• Rated voltage: 420 V
• Tolerance: ±20%
• ESR @ 120 Hz: 530 mOhm
• Lifetime rating: 2000 Hrs @ 85°C
• Operating temperature range: -40°C ~ 85°C
• Ripple current specifications: 2.1 A @ 120 Hz and 2.5 A @ 20 kHz
• Lead spacing: 1.000" (25.40 mm)
• Physical dimensions: 3.000" L x 1.750" W x 0.500" H
• Package type: FlatPack, Tabbed
• Mounting configuration: Chassis Mount
• Polarization: Polar

The substitute parts MLP331M420EB0D and MLP331M420EB1A meet all these criteria and are direct parametric equivalents.

Parameter Comparison

Engineering Selection Recommendations

All three parts—MLP331M420EB1D, MLP331M420EB0D, and MLP331M420EB1A—are active production components from Cornell Dubilier Electronics with identical electrical and mechanical specifications. Selection between these parts is based on inventory availability and compliance requirements:

All parts share the same RoHS non-compliant status, REACH affected designation, EAR99 ECCN classification, and HTSUS code 8532.22.0085. All three parts carry MSL rating 1 (Unlimited moisture sensitivity level), indicating no special moisture handling requirements during storage or assembly.

For applications requiring direct functional replacement with no design modifications, any of the three substitute parts can be selected based on procurement availability. The MLP331M420EB0D currently has the highest inventory level at 985 pieces, followed by MLP331M420EB1D at 971 pieces, and MLP331M420EB1A at 929 pieces.

Frequently Asked Questions (FAQ)

Q: Can MLP331M420EB0D or MLP331M420EB1A be used as direct replacements for MLP331M420EB1D?

A: Yes. Both parts are parametric equivalents with identical capacitance (330 µF), voltage rating (420 V), tolerance (±20%), ESR (530 mOhm @ 120 Hz), lifetime (2000 Hrs @ 85°C), operating temperature range (-40°C ~ 85°C), ripple current specifications (2.1 A @ 120 Hz, 2.5 A @ 20 kHz), lead spacing (1.000"), physical dimensions (3.000" L x 1.750" W x 0.500" H), and package configuration (FlatPack, Tabbed, Chassis Mount). No circuit modifications or PCB layout changes are required.

Q: Are there any compliance differences between the three parts?

A: No. All three parts share identical compliance status: RoHS non-compliant, REACH affected, EAR99 ECCN classification, and HTSUS code 8532.22.0085. MSL rating is 1 (Unlimited) for all three parts.

Q: What is the difference between these part numbers if all specifications are identical?

A: The part numbers differ in their suffix designations (EB1D, EB0D, EB1A), which typically indicate manufacturing date codes or internal CDE production variants. From an engineering perspective, these are functionally equivalent parts within the MLP series.

Q: Can these parts be used in high-frequency applications?

A: These capacitors are rated for ripple current handling at both low frequency (2.1 A @ 120 Hz) and high frequency (2.5 A @ 20 kHz). Selection should be based on the specific ripple current requirements of the application.

Q: What is the operating temperature range for these capacitors?

A: The operating temperature range is -40°C to 85°C. The lifetime rating of 2000 hours applies at the maximum operating temperature of 85°C.

Q: Are these parts suitable for general purpose applications?

A: Yes. All three parts are rated for general purpose applications. The 330 µF capacitance, 420 V voltage rating, and specified ripple current handling make them suitable for energy storage, filtering, and smoothing functions in general purpose circuits.