ELC-09D392DF Equivalent & Substitute Parts

Part Overview

The ELC-09D392DF is a 3.9 mH unshielded wirewound inductor manufactured by Panasonic Electronic Components, rated for 130 mA maximum current with 8 Ohm DC resistance. This through-hole radial component is designed for general-purpose filtering and energy storage applications in electronic circuits. The part is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and production continuity.

Substiute Parts

ELC-09D392DF

Panasonic Electronic ComponentsIn Stock: 697ELC-09D392DF Datasheet

Current PartRFQ

AIUR-10-392K

Abracon LLCIn Stock: 860AIUR-10-392K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ELC-09D392DF is determined by the following critical parameters:

• Inductance Value: Must be 3.9 mH ±10% to maintain circuit performance
• Current Rating: Substitute must support minimum 130 mA operation
• DC Resistance: Substitute DCR must not exceed design limits for the application
• Mounting Type: Through-hole radial configuration required for PCB compatibility
• Package Geometry: Physical dimensions must fit existing board layouts
• Shielding: Unshielded configuration maintained for equivalent EMI characteristics
• Compliance: RoHS3 compliance required for regulatory alignment

The AIUR-10-392K from Abracon LLC meets these substitution criteria with matching inductance, higher current rating capability, and compatible through-hole radial packaging.

Parameter Comparison

Engineering Selection Recommendations

The AIUR-10-392K is a direct functional substitute for the obsolete ELC-09D392DF based on the following factors:

• Inductance Match: Both components provide 3.9 mH ±10%, ensuring equivalent circuit performance
• Current Capability: The AIUR-10-392K 140 mA rating exceeds the ELC-09D392DF 130 mA requirement, providing operational margin
• Active Product Status: The AIUR-10-392K is an active product with confirmed inventory availability, eliminating obsolescence risk
• Regulatory Compliance: Both components maintain ROHS3 compliance for current manufacturing standards
• Physical Compatibility: Through-hole radial configuration supports existing PCB layouts, though the AIUR-10-392K features a smaller footprint (8.00mm vs 9.50mm diameter)

The primary design consideration is the increased DC resistance of the AIUR-10-392K (13 Ohm Max vs 8 Ohm), which will result in higher power dissipation in the inductor. Circuit analysis is required to confirm this resistance increase is acceptable for the specific application.

Frequently Asked Questions (FAQ)

Q: Can the AIUR-10-392K directly replace the ELC-09D392DF without circuit modification?

A: The AIUR-10-392K provides the same inductance value and exceeds the current rating requirement. However, the increased DC resistance (13 Ohm Max vs 8 Ohm) will increase power dissipation. Circuit analysis must confirm the application can tolerate this resistance increase without exceeding thermal or performance limits.

Q: What is the impact of the smaller physical size of the AIUR-10-392K?

A: The AIUR-10-392K is smaller (8.00mm diameter and height vs 9.50mm and 8.90mm), which provides a footprint advantage. Existing PCB layouts designed for the larger ELC-09D392DF will accommodate the smaller component without modification.

Q: Are both components RoHS compliant?

A: Yes, both the ELC-09D392DF and AIUR-10-392K are ROHS3 compliant, meeting current regulatory requirements for electronic component manufacturing.

Q: Why is the inductance tolerance specification important for substitution?

A: Both components share ±10% inductance tolerance, ensuring that circuit performance remains within design specifications across the full tolerance range of either component.

Q: What is the significance of the AIUR-10-392K being an active product?

A: Active product status ensures long-term availability, supply chain stability, and manufacturer support. The ELC-09D392DF obsolescence status makes the active AIUR-10-392K the recommended path for production continuity.