LP331M450H9P3 Equivalent & Substitute Parts

Part Overview

The LP331M450H9P3 is a 330 µF, 450 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in a radial, can snap-in package. This component is designed for general-purpose applications requiring high-voltage energy storage and filtering. The part is Active in product status with ROHS3 compliance and REACH unaffected designation.

Substitute parts are identified when equivalent electrical and mechanical parameters align within the allowed tolerances for this capacitor category, enabling direct functional replacement in circuit designs without redesign requirements.

Substiute Parts

LP331M450H9P3

Cornell Dubilier Electronics (CDE)In Stock: 927LP331M450H9P3 Datasheet

Current PartRFQ

MAL225957331E3

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 916MAL225957331E3 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LP331M450H9P3 is determined by strict alignment of the following parameters:

Critical Electrical Parameters:

• Capacitance value: 330 µF (exact match required)
• Rated voltage: 450 V (exact match required)
• Capacitance tolerance: ±20% (exact match required)
• Polarization: Polar (exact match required)

Critical Mechanical Parameters:

• Package type: Radial, Can - Snap-In (exact match required)
• Mounting type: Through Hole (exact match required)
• Lead spacing: 0.394" (10.00mm) (exact match required)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (exact match required)
• Operating temperature range: -40°C ~ 105°C (exact match required)

The substitute part MAL225957331E3 meets all critical electrical, mechanical, and compliance parameters, enabling direct functional replacement. Physical dimensions (diameter and height) may vary within the snap-in package envelope without affecting circuit compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both LP331M450H9P3 and MAL225957331E3 are Active products with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for industrial and commercial applications.

The MAL225957331E3 substitute provides equivalent electrical performance with enhanced reliability characteristics: the 3000-hour lifetime at 105°C exceeds the 1000-hour specification of the primary part. Physical dimensions are smaller, which may provide layout advantages in space-constrained applications while maintaining full mechanical compatibility through the snap-in package interface and 10.00mm lead spacing.

Selection between these parts should be based on inventory availability, lead time requirements, and specific application constraints. Both parts are suitable for general-purpose high-voltage filtering and energy storage applications within the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can MAL225957331E3 be used as a direct replacement for LP331M450H9P3?

A: Yes. Both parts share identical capacitance (330 µF), rated voltage (450 V), tolerance (±20%), polarization (Polar), mounting type (Through Hole), package type (Radial, Can - Snap-In), lead spacing (10.00mm), and compliance certifications (ROHS3). The snap-in package design accommodates minor dimensional variations without affecting circuit functionality.

Q: What are the physical dimension differences?

A: The MAL225957331E3 has a smaller diameter (1.181" vs. 1.378") and height (1.850" vs. 1.969") compared to the LP331M450H9P3. Both fit within the snap-in package envelope and maintain the same 10.00mm lead spacing, ensuring mechanical compatibility with existing PCB layouts.

Q: Does the longer lifetime of MAL225957331E3 affect substitution eligibility?

A: No. The 3000-hour lifetime at 105°C of the MAL225957331E3 exceeds the 1000-hour specification of the LP331M450H9P3, providing equal or superior performance. This does not disqualify substitution; it represents an enhancement in reliability characteristics.

Q: Are both parts RoHS compliant?

A: Yes. Both LP331M450H9P3 and MAL225957331E3 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.

Q: What is the lead spacing requirement for these capacitors?

A: Both parts require 0.394" (10.00mm) lead spacing. This specification is critical for PCB hole pattern compatibility and must match the circuit board design.

Q: Can these parts be used interchangeably in all applications?

A: Yes, within the specified operating temperature range (-40°C ~ 105°C) and general-purpose application category. Both parts are rated for 450 V and 330 µF with ±20% tolerance, making them functionally equivalent for circuit designs that do not impose additional constraints beyond these parameters.