6446-036 Power Transformer Laminated Core 20VA Through Hole

Part Overview

The 6446-036 is a laminated core power transformer rated at 20VA with dual primary and secondary windings manufactured by API Delevan Inc. The device supports configurable voltage outputs in parallel (18V) or series (36V) configurations with corresponding current ratings. The product is classified as Obsolete, necessitating identification of alternative components for continued procurement and system support. The 6446R-036 represents an active production equivalent that maintains electrical and mechanical compatibility while offering current availability and enhanced compliance status.

Substiute Parts

6446-036

API Delevan Inc.In Stock: 11426446-036 Datasheet

Current PartRFQ

6446R-036

API Delevan Inc.In Stock: 9146446R-036 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across all electrical performance parameters and mechanical compatibility specifications. The following parameters establish the substitution criteria for this transformer category:

• Power Rating: 20VA (unchanged)
• Primary Voltage Selection: 115V, 230V dual configuration (unchanged)
• Secondary Output Configuration: Parallel 18V / Series 36V with corresponding current ratings (unchanged)
• Winding Configuration: Dual primary and dual secondary (unchanged)
• Isolation Voltage: 4000Vrms (unchanged)
• Mounting and Termination: Through hole PC pin configuration (unchanged)
• Physical Dimensions and Height: 57.15mm L x 47.63mm W x 36.50mm H (unchanged)

The 6446R-036 meets all substitution criteria as a direct functional and mechanical equivalent.

Parameter Comparison

Engineering Selection Recommendations

The 6446R-036 is the designated substitute for the obsolete 6446-036. Both components are manufactured by API Delevan Inc. and maintain complete electrical and mechanical compatibility across all specified parameters.

The primary differentiation between these parts lies in product lifecycle status and regulatory compliance. The 6446-036 is classified as Obsolete and carries RoHS non-compliant status. The 6446R-036 maintains Active product status with RoHS3 Compliance certification, enabling continued support for procurement, reliability, and regulatory obligations in applications subject to RoHS requirements.

For new designs and ongoing production, the 6446R-036 is the appropriate selection. For legacy systems currently deployed with the 6446-036, the 6446R-036 provides direct functional substitution with no circuit redesign or board layout modifications required.

Frequently Asked Questions (FAQ)

Q: Are the 6446-036 and 6446R-036 electrically identical? A: The two components maintain identical electrical specifications across all parameters including power rating, voltage configurations, current ratings, winding configurations, and isolation voltage. They are direct functional equivalents.

Q: Can the 6446R-036 be used as a drop-in replacement for the 6446-036? A: The 6446R-036 provides complete mechanical and electrical compatibility with the 6446-036. Identical mounting type (Through Hole), termination style (PC Pin), and physical dimensions ensure direct substitution without circuit board layout modifications.

Q: What is the significance of the RoHS3 compliance difference? A: The 6446R-036 holds RoHS3 Compliance certification, satisfying regulatory requirements for restriction of hazardous substances. The 6446-036 is RoHS non-compliant. This distinction is material for applications subject to RoHS requirements and for export to regulated markets.

Q: Why is the 6446-036 listed as Obsolete? A: The 6446-036 has been discontinued from active production. The 6446R-036 has superseded it in the manufacturer's product line while maintaining full technical equivalence.

Q: Are there inventory implications for component selection? A: The 6446-036 has 1069 pcs available as new original stock. The 6446R-036 has 866 pcs available as new original stock. Both components maintain inventory availability through authorized distributors.

Q: What primary voltages are supported by these transformers? A: Both the 6446-036 and 6446R-036 support dual primary voltage selection at 115V or 230V, enabling operation across standard North American and international voltage supplies.

Q: What secondary voltage configurations are available? A: Both components provide dual secondary windings enabling parallel connection (18V output at 1.12A maximum) or series connection (36V output at 560mA maximum) to accommodate diverse load requirements.