BV030-7300.0 Equivalent & Substitute Parts

Part Overview

The BV030-7300.0 is a laminated core power transformer manufactured by Pulse Electronics, rated at 2VA with dual secondary windings. This through-hole mounted component features a single primary winding (115V) and dual secondary windings capable of parallel (12V) or series (24V) output configurations. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and new design implementations.

Substiute Parts

BV030-7300.0

Pulse ElectronicsIn Stock: 1025BV030-7300.0 Datasheet

Current PartRFQ

ST-3-24

Signal TransformerIn Stock: 45817ST-3-24 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BV030-7300.0 is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Primary voltage: 115V (single winding)
• Secondary voltage configuration: Dual windings capable of parallel 12V and series 24V output
• Power capacity: Minimum 2VA to support the original output current specifications (parallel 166mA, series 83mA)
• Core type: Laminated construction

Mechanical Compatibility Criteria:

• Mounting type: Through-hole configuration
• Termination style: PC pin connections
• Physical envelope: Dimensions and height must accommodate existing PCB layouts

The ST-3-24 manufactured by Signal Transformer meets all substitution criteria. It maintains identical primary and secondary voltage specifications, provides equivalent dual secondary winding architecture, and exceeds the power rating (2.4VA vs. 2VA) while supporting higher output current capacity. The through-hole mounting and PC pin termination ensure direct mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The ST-3-24 is the qualified substitute for the BV030-7300.0 based on the following factors:

Electrical Equivalence: All primary and secondary voltage specifications are identical. The ST-3-24 provides higher power capacity (2.4VA) and output current ratings (parallel 200mA, series 100mA), which exceeds the original component requirements and ensures adequate margin for system operation.

Product Status: The BV030-7300.0 is obsolete and no longer manufactured. The ST-3-24 maintains active production status with established supply chain availability (45,800 units in stock), ensuring long-term component sourcing for both replacement and new design applications.

Compliance Alignment: Both components share identical REACH and ECCN classifications (EAR99), maintaining regulatory compliance across supply chain transitions.

Physical Considerations: The ST-3-24 exhibits slightly larger footprint dimensions (34.90mm L x 28.60mm W vs. 32.50mm L x 27.50mm W) and greater seated height (30.80mm vs. 27.00mm). PCB layout verification is required to confirm adequate clearance in existing designs before implementation.

Frequently Asked Questions (FAQ)

Q: Can the ST-3-24 directly replace the BV030-7300.0 without circuit modifications?

A: Yes, from an electrical standpoint. The ST-3-24 maintains identical primary and secondary voltage specifications and dual winding architecture. However, physical layout verification is necessary due to dimensional differences. The ST-3-24 is 3.8mm taller and has a slightly larger footprint, requiring confirmation of PCB clearance before installation.

Q: Why does the ST-3-24 have higher power and current ratings than the BV030-7300.0?

A: The ST-3-24 is rated at 2.4VA with output currents of 200mA (parallel) and 100mA (series), compared to the BV030-7300.0 at 2VA with 166mA and 83mA respectively. Higher ratings on the substitute component provide operational margin and do not create compatibility issues. The substitute will perform the function of the original component while supporting higher load capacity.

Q: What is the significance of the BV030-7300.0 being obsolete?

A: Obsolete status indicates the component is no longer manufactured by Pulse Electronics. The ST-3-24 is an active product with ongoing manufacturing support, ensuring availability for replacement applications and new designs. This transition is necessary for long-term system sustainability.

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

A: No. Both components share identical REACH and ECCN classifications. The ST-3-24 is ROHS3 compliant, providing additional environmental compliance assurance for new designs.

Q: What should be verified before implementing the ST-3-24 as a substitute?

A: Confirm PCB layout accommodates the larger footprint (34.90mm L x 28.60mm W) and greater height (30.80mm). Verify that the increased dimensions do not conflict with adjacent components or enclosure constraints. All electrical parameters are compatible with the original design.