API Delevan 6443-010 Laminated Power Transformer - Equivalent & Substitute Parts

Part Overview

The API Delevan 6443-010 is a 2.5VA laminated core power transformer designed for through-hole PCB mounting applications. It features dual primary and secondary windings, supporting input voltages of 115V or 230V with configurable output voltages in parallel (5V) or series (10V) configurations. The main part (6443-010) is currently listed as obsolete, necessitating identification of suitable substitute components to maintain design continuity and supply chain reliability. Active equivalent models provide identical electrical and mechanical specifications with improved compliance status.

Substiute Parts

6443-010

API Delevan Inc.In Stock: 7376443-010 Datasheet

Current PartRFQ

6443R-010

API Delevan Inc.In Stock: 10046443R-010 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 6443-010 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Power rating: 2.5VA
• Primary voltage options: 115V, 230V
• Secondary voltage configuration: Parallel 5V / Series 10V
• Output current specifications: Parallel 500mA / Series 250mA
• Core construction: Laminated
• Winding configuration: Dual primary, dual secondary
• Isolation voltage: 4000Vrms
• Mounting and termination: Through-hole PC pin

The API Delevan 6443R-010 meets all specified electrical and mechanical parameters, providing a direct functional equivalent with identical performance characteristics and board-level compatibility.

Parameter Comparison

Engineering Selection Recommendations

The API Delevan 6443R-010 is the appropriate substitute for discontinued 6443-010 units. Both components provide identical electrical performance and physical board compatibility, ensuring seamless integration into existing PCB designs without layout or routing modifications.

The 6443R-010 is recommended for new designs and redesigns due to its active product status and RoHS3 compliance. This compliance status eliminates potential supply chain restrictions and supports long-term design sustainability in regulated markets requiring hazardous substance restrictions.

For legacy systems currently operating with the 6443-010, the 6443R-010 provides drop-in compatibility without functional or mechanical compromise. No circuit modifications are required.

Frequently Asked Questions (FAQ)

Q: Are the 6443-010 and 6443R-010 pin-compatible? A: Yes. Both components feature identical through-hole PC pin termination with matching physical footprints (34.93mm L × 28.58mm W), board seating height (30.15mm), and land pattern requirements. No PCB redesign is necessary.

Q: Do both parts provide the same voltage and current specifications? A: Yes. Both transformers support 115V/230V primary selection with identical secondary configurations: 5V at 500mA (parallel winding mode) or 10V at 250mA (series winding mode).

Q: What is the difference between the 6443-010 and 6443R-010? A: The primary difference is product status and regulatory compliance. The 6443-010 is obsolete and non-RoHS compliant, while the 6443R-010 is active and RoHS3 compliant. Electrical and mechanical specifications are identical.

Q: Can I use the 6443R-010 in a design currently specified for 6443-010? A: Yes. The 6443R-010 is a direct functional substitute with identical electrical performance, mechanical dimensions, and electrical isolation characteristics.

Q: What isolation voltage rating applies to both parts? A: Both the 6443-010 and 6443R-010 provide 4000Vrms isolation between primary and secondary windings, meeting standard industrial isolation requirements.