ELC-06D121E Equivalent & Substitute Parts

Part Overview

The ELC-06D121E is a 120 µH unshielded through-hole inductor manufactured by Panasonic Electronic Components, rated for 490 mA with a DC resistance of 260mOhm. This component features a radial, vertical cylinder package configuration with a 0.264" diameter and 0.394" maximum seated height. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

ELC-06D121E

Panasonic Electronic ComponentsIn Stock: 816ELC-06D121E Datasheet

Current PartRFQ

AIUR-16-121K

Abracon LLCIn Stock: 1043AIUR-16-121K Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The AIUR-16-121K from Abracon LLC qualifies as a direct substitute based on the following critical parameters:

• Inductance Match: Both parts specify 120 µH at 10 kHz test frequency with ±10% tolerance
• Current Rating Match: Both rated for 490 mA continuous current
• Package Compatibility: Both use radial, vertical cylinder through-hole configuration with comparable physical dimensions
• Shielding Equivalence: Both are unshielded inductors
• Compliance Alignment: Both are ROHS3 compliant with MSL 1 rating

The AIUR-16-121K represents an active product from an established manufacturer, providing design continuity for the obsolete ELC-06D121E.

Parameter Comparison

Engineering Selection Recommendations

The AIUR-16-121K is the appropriate substitute for the obsolete ELC-06D121E based on electrical and mechanical equivalence. Both components meet ROHS3 compliance requirements and share identical inductance, tolerance, and current rating specifications. The AIUR-16-121K offers the advantage of active product status, ensuring long-term availability and supply chain reliability.

The DC resistance differential (310mOhm max versus 260mOhm) represents a 19% increase and should be evaluated within the context of circuit design margins. The saturation current specification of 460mA provided for the AIUR-16-121K indicates operational headroom below the 490 mA rating. Physical dimensions are compatible with standard through-hole PCB layouts, with the AIUR-16-121K featuring slightly reduced height (9.50mm versus 10.00mm), which may provide minor board layout advantages.

Frequently Asked Questions (FAQ)

Q: Can the AIUR-16-121K directly replace the ELC-06D121E in existing designs?

A: Yes. Both inductors share identical inductance (120 µH), tolerance (±10%), current rating (490 mA), and package configuration (radial, vertical cylinder through-hole). Physical dimensions are compatible with standard PCB footprints.

Q: What is the significance of the DC resistance difference?

A: The AIUR-16-121K specifies 310mOhm maximum DCR compared to the ELC-06D121E at 260mOhm. This 50mOhm difference represents approximately 19% higher resistance and will result in proportionally increased power dissipation. Circuit designs should verify that thermal and efficiency margins accommodate this variance.

Q: Are there compliance or certification differences?

A: Both parts are ROHS3 compliant with MSL 1 rating. The AIUR-16-121K additionally specifies REACH Unaffected status. No compliance barriers exist for substitution.

Q: Why is product status relevant for this substitution?

A: The ELC-06D121E is classified as obsolete, indicating discontinued manufacturing and limited future availability. The AIUR-16-121K is active, ensuring sustained supply chain access and manufacturing continuity for production requirements.

Q: Are there any PCB layout considerations?

A: Both components use identical through-hole radial, vertical cylinder packages. The AIUR-16-121K is slightly more compact in height (9.50mm versus 10.00mm) and diameter (7.00mm versus 6.70mm), requiring verification that existing PCB footprints accommodate the minor dimensional increase.