Equivalent & Substitute Parts for Cornell Dubilier Electronics 37FB4425-F

Part Overview

The Cornell Dubilier Electronics 37FB4425-F is a 25 µF film capacitor rated for 440V AC operation, utilizing polypropylene (PP) metallized dielectric technology in a radial, can-style package. This component is designed for motor run and power factor correction (PFC) applications requiring chassis mount installation with holder/bracket support.

The 37FB4425-F carries an obsolete product status. Identification of equivalent substitute parts is necessary to maintain system functionality and ensure continued availability for replacement and maintenance applications.

Substiute Parts

37FB4425-F

Cornell Dubilier Electronics (CDE)In Stock: 89537FB4425-F Datasheet

Current PartRFQ

37FB4425A-F

Cornell Dubilier Electronics (CDE)In Stock: 93137FB4425A-F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 37FB4425-F is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 25 µF (exact match required)
• Voltage Rating (AC): 440V (exact match required)
• Tolerance: ±10% (exact match required)
• Dielectric Material: Polypropylene (PP), Metallized (exact match required)
• Package Configuration: Radial, Can (exact match required)
• Mounting Type: Chassis Mount, Requires Holder/Bracket (exact match required)
• Lead Spacing: 0.813" (20.64mm) (exact match required)
• Termination Type: Quick Connect, Disconnect (exact match required)
• Operating Temperature Range: -40°C to 70°C (exact match required)

The substitute part 37FB4425A-F meets all substitution criteria and is classified as a direct equivalent within the MPF series.

Parameter Comparison

Engineering Selection Recommendations

The 37FB4425A-F is the direct equivalent substitute for the obsolete 37FB4425-F. Both components are manufactured by Cornell Dubilier Electronics within the MPF series and share identical electrical specifications, dielectric composition, and functional characteristics.

Product Status Consideration: The 37FB4425-F is classified as obsolete, while the 37FB4425A-F maintains active product status. This status difference indicates continued manufacturing and availability of the substitute part.

Compliance and Certification: Both parts maintain ROHS3 compliance and carry identical ECCN (EAR99) and HTSUS (8532.25.0020) classifications, confirming regulatory equivalence.

Physical Dimensions: The substitute part exhibits negligible variation in length and width dimensions (0.01mm difference in each axis). The seated height difference of 0.160" (4.06mm) remains within typical mechanical tolerance ranges for chassis-mounted capacitor installations with holder/bracket systems.

Electrical Equivalence: All critical electrical parameters—capacitance, voltage rating, tolerance, and operating temperature range—are identical between the main part and substitute.

Frequently Asked Questions (FAQ)

Q: Can the 37FB4425A-F be used as a direct replacement for the 37FB4425-F in existing applications?

A: Yes. The 37FB4425A-F is a direct equivalent substitute. All electrical specifications, dielectric material, package configuration, and termination type are identical. The minor height variation (0.160") does not affect compatibility with standard chassis-mount holder/bracket systems.

Q: What is the significance of the product status change from obsolete to active?

A: The obsolete status of the 37FB4425-F indicates discontinued manufacturing. The active status of the 37FB4425A-F confirms current production and availability. For new designs and replacement applications, the 37FB4425A-F should be specified.

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

A: No. Both parts carry identical RoHS3 compliance status, ECCN classification (EAR99), and HTSUS codes (8532.25.0020), confirming regulatory equivalence.

Q: Does the height difference affect mechanical installation?

A: The seated height difference of 0.160" (4.06mm) is minor and does not affect compatibility with standard chassis-mount holder/bracket installations. Verify available mounting space in your specific application.

Q: Are both parts suitable for motor run and power factor correction applications?

A: Yes. Both the 37FB4425-F and 37FB4425A-F are rated for motor run and power factor correction (PFC) applications at 440V AC with identical operating temperature ranges (-40°C to 70°C).

Q: What is the lead spacing, and does it affect compatibility?

A: Both parts feature 0.813" (20.64mm) lead spacing. This specification is identical and ensures compatibility with existing circuit board layouts and holder/bracket systems designed for the original part.