Equivalent & Substitute Parts for PF24-30 Semi-Toroidal Power Transformer

Part Overview

The PF24-30 is a 24VA semi-toroidal power transformer manufactured by Tamura, designed for through-hole mounting applications. It features dual primary and secondary windings with selectable output configurations: parallel 15V at 1.6A or series 30V at 800mA. The primary accepts 115V or 230V input voltage.

The PF24-30 is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications currently utilizing this transformer.

Substiute Parts

PF24-30

TamuraIn Stock: 869PF24-30 Datasheet

Current PartRFQ

LP-30-800

Signal TransformerIn Stock: 1403LP-30-800 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PF24-30 are identified based on strict electrical and mechanical compatibility criteria. The following parameters must match or remain within acceptable tolerances:

Critical Matching Parameters:

• Power rating: 24VA
• Transformer type: Semi-Toroidal
• Primary voltage inputs: 115V, 230V
• Secondary voltage outputs: Parallel 15V / Series 30V
• Output current ratings: Parallel 1.6A / Series 800mA
• Winding configuration: Dual primary, dual secondary
• Mounting type: Through Hole
• Termination style: PC Pin
• Isolation voltage: 1500Vrms

Acceptable Variation Parameters:

• Physical dimensions: Minor variations within manufacturing tolerances
• Height seated maximum: 31.80mm
• Weight: Not specified as critical parameter

The LP-30-800 from Signal Transformer meets all critical electrical and mechanical specifications for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The LP-30-800 from Signal Transformer is a direct functional equivalent to the PF24-30. All critical electrical parameters match exactly, including power rating, voltage configurations, current outputs, winding arrangements, and isolation specifications. Physical dimensions are within acceptable manufacturing tolerances for through-hole mounting applications.

The LP-30-800 holds active product status, ensuring ongoing availability and supply chain continuity. The substitute part is RoHS3 compliant and REACH unaffected, meeting current regulatory requirements. Both parts share identical ECCN and HTSUS classifications.

For applications currently specified with PF24-30, the LP-30-800 provides equivalent electrical performance and mechanical compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can the LP-30-800 be used as a direct replacement for the PF24-30 in existing designs?

A: Yes. The LP-30-800 matches all critical electrical specifications: 24VA power rating, dual primary/secondary winding configuration, 115V/230V primary input, 15V parallel or 30V series secondary output, and 1500Vrms isolation voltage. Physical dimensions are within acceptable tolerances for through-hole PC pin termination.

Q: Are there dimensional differences between these transformers?

A: Minor dimensional variations exist. The LP-30-800 measures 72.90mm length and 57.20mm width compared to the PF24-30 at 72.00mm and 58.00mm respectively. Both share identical 31.80mm seated height. These variations remain within standard manufacturing tolerances for semi-toroidal transformer construction and do not affect mounting compatibility.

Q: What is the difference in product status between these parts?

A: The PF24-30 is classified as obsolete, while the LP-30-800 maintains active product status. This distinction ensures the LP-30-800 remains available through standard distribution channels and benefits from ongoing manufacturer support.

Q: Do compliance certifications differ between the two parts?

A: The LP-30-800 carries RoHS3 compliance and REACH unaffected status. Both parts share identical ECCN (EAR99) and HTSUS (8504.31.4035) classifications, ensuring equivalent regulatory treatment in procurement and export contexts.

Q: Are there packaging differences?

A: The PF24-30 is listed with packaging designation "-" (not specified), while the LP-30-800 is supplied in bulk packaging. Packaging format does not affect electrical or mechanical compatibility for component-level substitution.