VPP20-500 Equivalent & Substitute Parts Reference

Part Overview

The VPP20-500 is a laminated core power transformer manufactured by Triad Magnetics, rated at 10VA with dual primary and secondary windings. This through-hole mounted component is designed for PC pin termination in applications requiring 115V or 230V primary input with configurable secondary output in parallel (10V, 1A) or series (20V, 500mA) modes. The part maintains Active product status with full RoHS3 compliance and 4000Vrms isolation rating. Equivalent and substitute parts are identified when identical electrical specifications, mechanical dimensions, mounting characteristics, and compliance certifications are maintained across alternative manufacturers.

Substiute Parts

VPP20-500

Triad MagneticsIn Stock: 803VPP20-500 Datasheet

Current PartRFQ

14A-10R-20

Signal TransformerIn Stock: 287914A-10R-20 Datasheet

DirectRFQ

183G20

Hammond ManufacturingIn Stock: 967183G20 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the VPP20-500 are classified based on strict electrical and mechanical parameter equivalence. The substitution logic is determined by the following criteria:

Direct Equivalence Requirements:

• Identical power rating (10VA)
• Matching primary voltage configuration (115V, 230V dual)
• Matching secondary voltage outputs (Parallel 10V, Series 20V)
• Matching output current specifications (Parallel 1A, Series 500mA)
• Identical core type (Laminated)
• Identical mounting type (Through Hole)
• Identical termination style (PC Pin)
• Matching isolation voltage (4000Vrms)
• Active product status
• RoHS3 compliance

Acceptable Dimensional Tolerances: Mechanical dimensions (length, width, height) within manufacturing tolerances do not disqualify substitution when all electrical parameters are identical.

Packaging Consideration: Packaging format (Box vs. Bulk) does not affect electrical or mechanical substitutability but may impact procurement and storage requirements.

Parameter Comparison

Engineering Selection Recommendations

14A-10R-20 (Signal Transformer): This part is a direct electrical and mechanical equivalent to the VPP20-500. All specified parameters match identically. The part is manufactured by Signal Transformer under the One-4-All™ series and maintains Active product status with full RoHS3 compliance. Dimensional variations (47.60mm L vs. 47.63mm L, 39.70mm W vs. 39.67mm W, 34.90mm H vs. 34.93mm H) are within acceptable manufacturing tolerances and do not affect PCB layout or mounting compatibility. This substitute is suitable for direct replacement in applications where the VPP20-500 is specified.

183G20 (Hammond Manufacturing): This part is a direct electrical and mechanical equivalent to the VPP20-500. All specified electrical parameters match identically, and dimensional specifications are identical. The part is manufactured by Hammond Manufacturing under the 183 series and maintains Active product status with full RoHS3 compliance. The primary distinction is packaging format (Bulk vs. Box), which does not affect electrical or mechanical substitutability. Moisture Sensitivity Level (MSL) is rated at 1 (Unlimited) compared to Not Applicable for the main part; this does not restrict substitution in standard operating environments. This substitute is suitable for direct replacement in applications where the VPP20-500 is specified.

Frequently Asked Questions (FAQ)

Q: Can the 14A-10R-20 be used as a direct replacement for the VPP20-500 in production assemblies?

A: Yes. The 14A-10R-20 meets all electrical specifications (10VA, 115V/230V primary, 10V/20V secondary, 1A/500mA output), mechanical dimensions (within manufacturing tolerances), mounting type (Through Hole), termination style (PC Pin), isolation voltage (4000Vrms), and compliance certifications (RoHS3, REACH Unaffected, EAR99). No design modifications are required.

Q: What is the difference between the VPP20-500 and 183G20 packaging?

A: The VPP20-500 is supplied in Box packaging, while the 183G20 is supplied in Bulk packaging. This affects procurement quantity and storage considerations but does not impact electrical performance or mechanical compatibility.

Q: Are there any compliance differences between the three parts?

A: All three parts are RoHS3 compliant, REACH Unaffected, and classified as EAR99 under export control regulations. All share the same HTSUS code (8504.31.4035). The 183G20 specifies MSL 1 (Unlimited) while the VPP20-500 and 14A-10R-20 list MSL as Not Applicable; this does not restrict substitution in standard operating conditions.

Q: Do dimensional tolerances affect PCB layout compatibility?

A: No. The dimensional variations between parts (maximum 0.03mm difference in length and width, 0.03mm in height) are within standard manufacturing tolerances for through-hole mounted components and do not require PCB layout modifications.

Q: Can these parts be used interchangeably in series and parallel winding configurations?

A: Yes. All three parts support identical dual primary (115V, 230V) and dual secondary (Parallel 10V/1A, Series 20V/500mA) configurations. Winding configuration selection is determined by application requirements, not by manufacturer.

Q: What inventory availability should be considered when selecting a substitute?

A: Inventory levels are provided for reference: VPP20-500 (779 Pcs), 14A-10R-20 (2832 Pcs), 183G20 (940 Pcs). Availability may influence procurement decisions but does not affect technical substitutability.