PSU32415B Equivalent & Substitute Parts

Part Overview

The PSU32415B is a 324 µF, 125 V aluminum electrolytic capacitor manufactured by Cornell Dubilier Electronics (CDE) in the PSU series. This radial, can-style capacitor with QC terminals is designed for motor start applications and operates across temperatures from -40°C to 65°C. The component is active in production status and fully compliant with ROHS3 and REACH standards. Substitute parts are identified to provide alternative sourcing options when the primary part becomes unavailable or when inventory constraints require component flexibility.

Substiute Parts

PSU32415B

Cornell Dubilier Electronics (CDE)In Stock: 724PSU32415B Datasheet

Current PartRFQ

PSU32415A

Cornell Dubilier Electronics (CDE)In Stock: 1080PSU32415A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the PSU32415B is governed by the following critical electrical and mechanical parameters:

Electrical Parameters: Capacitance (324 µF), voltage rating (125 V), tolerance (0%, +20%), and polarization (Bi-Polar) must remain constant across all substitute parts.

Mechanical Parameters: Package type (Radial, Can - QC Terminals), mounting type (Chassis Mount), and diameter (1.438" / 36.53 mm) must be maintained for form-fit compatibility.

Operational Parameters: Operating temperature range (-40°C to 65°C) and series designation (PSU) establish functional baseline requirements.

Compliance Parameters: RoHS3 compliance and MSL rating of 1 ensure regulatory alignment and environmental stability.

The PSU32415A meets all these criteria and qualifies as a direct substitute. The primary distinction between PSU32415B and PSU32415A is the seated height specification: PSU32415B operates at a maximum of 2.750" (69.85 mm), while PSU32415A extends to 4.435" (112.65 mm). This height variance permits substitution only in applications where vertical space constraints are not restrictive.

Parameter Comparison

Engineering Selection Recommendations

Both PSU32415B and PSU32415A components carry Active product status, ensuring continued manufacturer support and sustained availability. Both parts maintain ROHS3 compliance and achieve MSL 1 certification, confirming suitability for global supply chains and diverse environmental conditions.

Selection between PSU32415B and PSU32415A is determined exclusively by physical space allocation within the application. The PSU32415B, with a maximum seated height of 2.750" (69.85 mm), is specified for applications with vertical height constraints. The PSU32415A, measuring 4.435" (112.65 mm) maximum seated height, accommodates applications where additional vertical space is available. All electrical characteristics, mechanical form-fit dimensions (diameter, terminal type), and regulatory certifications remain functionally equivalent.

Component selection must account for printed circuit board layout, enclosure dimensions, and mechanical clearance requirements. In instances where height clearance is not a limiting factor, either component satisfies equivalent functional performance.

Frequently Asked Questions (FAQ)

Q: Can PSU32415A replace PSU32415B in any application? A: PSU32415A functions as an electrical and mechanical equivalent with one restriction: the increased seated height of 4.435" (112.65 mm) versus 2.750" (69.85 mm) requires confirmation that vertical space constraints are not exceeded in the target application.

Q: Are the electrical specifications identical between PSU32415B and PSU32415A? A: Yes. Both components share identical capacitance (324 µF), voltage rating (125 V), tolerance (0%, +20%), polarization (Bi-Polar), and operating temperature range (-40°C to 65°C).

Q: What is the primary difference between these parts? A: The physical height specification is the only parameter that differs. PSU32415B is engineered for space-constrained applications with a maximum seated height of 2.750" (69.85 mm), while PSU32415A accommodates applications with greater vertical clearance at 4.435" (112.65 mm).

Q: Are both parts compliant with environmental and regulatory standards? A: Both PSU32415B and PSU32415A are ROHS3 compliant, REACH unaffected, and classified as MSL 1 with unlimited moisture sensitivity protection.

Q: What applications are these capacitors designed for? A: Both components are specified for motor start applications, utilizing the 324 µF capacitance value and 125 V rating to support induction motor circuits.

Q: Can I use PSU32415B in place of PSU32415A? A: PSU32415B represents a lower-profile variant. Substitution is valid in applications where reduced height (2.750" vs. 4.435") is acceptable and does not introduce any space clearance conflicts.

Q: What does the QC terminal designation signify? A: QC terminals reference the quick-connect terminal configuration on the radial can package, enabling direct solder or crimp connection in chassis-mounted applications.

Q: Are there any performance differences in motor start applications? A: No. Both PSU32415B and PSU32415A deliver equivalent electrical performance in motor start applications due to identical capacitance, voltage rating, and tolerance specifications.