MLP331M420EB0A

Part Overview

The MLP331M420EB0A is a 330 µF, 420 V aluminum electrolytic capacitor in FlatPack configuration with tabbed leads, manufactured by Cornell Dubilier Electronics (CDE). This component is part of the active MLP series and is classified for general purpose applications. Finding equivalent substitute parts becomes necessary when original stock is unavailable, when procurement timelines require alternative sourcing, or when equivalent electrical and mechanical specifications align with design requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Tolerance	±20%
Voltage - Rated	420 V
ESR (Equivalent Series Resistance)	530 mOhm
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	1.000" (25.40 mm)
Dimensions	3.000" L x 1.750" W (76.20 mm x 44.45 mm)
Height - Seated (Max)	0.500" (12.70 mm)
Package / Case	FlatPack, Tabbed
Mounting Type	Chassis Mount
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MLP331M420EB0A are qualified based on strict electrical and mechanical parameter matching:

Electrical Equivalence Criteria:

Capacitance: 330 µF (identical)
Voltage rating: 420 V (identical)
ESR: 530 mOhm (identical specification)
Lifetime: 2000 Hrs @ 85°C (identical)
Operating temperature range: -40°C ~ 85°C (identical)

Mechanical Equivalence Criteria:

Package type: FlatPack, Tabbed (identical)
Lead spacing: 1.000" (25.40 mm) (identical)
Physical dimensions: 3.000" L x 1.750" W (76.20 mm x 44.45 mm) (identical)
Height: 0.500" max seated height (identical)
Mounting type: Chassis Mount (identical)

Regulatory and Environmental Criteria:

Series: MLP (identical)
Manufacturer: Cornell Dubilier Electronics (CDE) (identical)
RoHS status: Non-compliant (identical)
MSL rating: 1 (Unlimited) (identical)

The identified substitutes maintain complete parametric alignment across all specified electrical and mechanical parameters.

Parameter Comparison

Parameter	MLP331M420EB0A	MLP331M420EB0D	MLP331M420EB1A
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Cornell Dubilier Electronics
Series	MLP	MLP	MLP
Capacitance	330 µF	330 µF	330 µF
Tolerance	±20%	±20%	±20%
Voltage - Rated	420 V	420 V	420 V
ESR (Equivalent Series Resistance)	530 mOhm	530 mOhm @ 120 Hz	530 mOhm @ 120 Hz
Lifetime @ Temperature	2000 Hrs @ 85°C	2000 Hrs @ 85°C	2000 Hrs @ 85°C
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Lead Spacing	1.000" (25.40 mm)	1.000" (25.40 mm)	1.000" (25.40 mm)
Size / Dimension	3.000" L x 1.750" W (76.20 mm x 44.45 mm)	3.000" L x 1.750" W (76.20 mm x 44.45 mm)	3.000" L x 1.750" W (76.20 mm x 44.45 mm)
Height - Seated (Max)	0.500" (12.70 mm)	0.500" (12.70 mm)	0.500" (12.70 mm)
Mounting Type	Chassis Mount	Chassis Mount	Chassis Mount
Package / Case	FlatPack, Tabbed	FlatPack, Tabbed	FlatPack, Tabbed
RoHS Status	RoHS non-compliant	RoHS non-compliant	RoHS non-compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Current Inventory	1118 Pcs New Original In Stock	985 Pcs New Original In Stock	929 Pcs New Original In Stock

Engineering Selection Recommendations

Active Status Compliance: All three parts (MLP331M420EB0A, MLP331M420EB0D, MLP331M420EB1A) maintain active product status from Cornell Dubilier Electronics, ensuring continued manufacturer support and consistent specifications.

Regulatory Alignment: All substitute parts are RoHS non-compliant with identical REACH-affected status and equivalent ECCN/HTSUS classifications. No compliance barriers exist between the main part and substitutes.

Certification and Standards: All parts share identical MSL rating (1 - Unlimited), eliminating moisture sensitivity concerns during handling and storage.

Selection Basis: Component selection between the main part and substitutes is determined by:

Inventory availability requirements
Lead time considerations
Supply chain sourcing preferences
No electrical or mechanical constraints differentiate these parts for applications within specified operating parameters

Frequently Asked Questions (FAQ)

Q: Can MLP331M420EB0D and MLP331M420EB1A be used interchangeably with MLP331M420EB0A?

A: Yes. All three parts share identical electrical specifications (330 µF, 420 V, 530 mOhm ESR, 2000 Hrs @ 85°C) and mechanical configurations (FlatPack with tabbed leads, identical dimensions and mounting). Substitution is supported across all three part numbers.

Q: What is the difference between these substitute part numbers?

A: The differences between MLP331M420EB0A, MLP331M420EB0D, and MLP331M420EB1A are limited to internal manufacturing designations or revision levels. All electrical and mechanical parameters are equivalent.

Q: Are there differences in ripple current specifications?

A: The MLP331M420EB0A datasheet does not provide ripple current specifications. The substitute parts MLP331M420EB0D and MLP331M420EB1A specify ripple current performance (2.1 A @ 120 Hz, 2.5 A @ 20 kHz). These additional specifications do not represent deviations but rather supplementary performance data for the same component design.

Q: Will substitution require board redesign?

A: No. Physical dimensions, lead spacing (1.000"), and mounting type (Chassis Mount) are identical across all parts, eliminating any layout or mechanical redesign requirements.

Q: Are there supply chain considerations between these parts?

A: Component selection should consider current inventory levels (MLP331M420EB0A: 1118 Pcs, MLP331M420EB0D: 985 Pcs, MLP331M420EB1A: 929 Pcs) and internal procurement schedules based on production timelines and fulfillment priorities.

Q: What regulatory barriers exist for these substitutes?

A: None. All parts share identical RoHS non-compliance status, REACH-affected classification, and equivalent tariff codes (HTSUS: 8532.22.0085). No regulatory barriers prevent substitution.

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