ELC-18B150L Equivalent & Substitute Parts

Part Overview

The ELC-18B150L is a 15 µH unshielded drum core wirewound inductor manufactured by Panasonic Electronic Components. Rated for 5.9 A continuous current with 21mOhm DC resistance, this through-hole component is designed for radial, vertical cylinder mounting. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing system support, maintenance, and new design implementations where legacy specifications must be maintained.

Substiute Parts

ELC-18B150L

Panasonic Electronic ComponentsIn Stock: 1019ELC-18B150L Datasheet

Current PartRFQ

RCR1616NP-150M

Sumida America Components Inc.In Stock: 1041RCR1616NP-150M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ELC-18B150L is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 15 µH (exact match required)
• Inductance tolerance: ±20% (must accommodate specification)
• Core material: Ferrite (electrical performance baseline)
• Mounting type: Through hole (mechanical compatibility)
• Package configuration: Radial, vertical cylinder (PCB footprint compatibility)

Secondary Compatibility Factors:

• Current rating: Substitute must equal or exceed 5.9 A
• DC resistance: Lower DCR values are acceptable (improved performance)
• Shielding: Unshielded to shielded transition is acceptable in non-EMI-sensitive applications
• RoHS compliance: ROHS3 Compliant status required for regulatory alignment

The RCR1616NP-150M meets all primary matching criteria with improved electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The RCR1616NP-150M is a direct functional substitute for the obsolete ELC-18B150L based on the following engineering criteria:

Electrical Compatibility: Both components share identical inductance (15 µH) and tolerance (±20%), with ferrite core construction. The RCR1616NP-150M provides superior electrical performance through lower DC resistance (14.5mOhm vs. 21mOhm) and higher current rating (6.2 A vs. 5.9 A), reducing thermal losses and improving system efficiency.

Regulatory Compliance: Both parts maintain ROHS3 Compliant status, ensuring continued compliance with environmental and hazardous substance restrictions.

Product Availability: The RCR1616NP-150M is currently active in production with 1003 units in stock, providing reliable supply continuity for legacy system support and new implementations.

Physical Considerations: The substitute component features a smaller footprint (16.00mm diameter vs. 20.00mm, 16.50mm height vs. 27.00mm). PCB layout verification is required to confirm mechanical fit within existing mounting locations. The shielded design of the RCR1616NP-150M may provide additional EMI rejection benefits in noise-sensitive applications.

Frequently Asked Questions (FAQ)

Q: Can the RCR1616NP-150M directly replace the ELC-18B150L on existing PCBs?

A: Electrical substitution is valid. However, physical dimensions differ significantly (16mm vs. 20mm diameter, 16.5mm vs. 27mm height). PCB layout review is necessary to confirm the smaller component fits within the existing mounting footprint and clearance requirements.

Q: What is the impact of the shielded design in the RCR1616NP-150M?

A: The RCR1616NP-150M incorporates shielding, whereas the ELC-18B150L is unshielded. In applications where EMI rejection is beneficial, the shielded design provides improved performance. In circuits where shielding was intentionally avoided, the change should be evaluated for potential circuit behavior modifications.

Q: How does the lower DC resistance of the substitute affect circuit performance?

A: The RCR1616NP-150M exhibits 14.5mOhm maximum resistance compared to 21mOhm in the original part. This 31% reduction in DC resistance decreases resistive losses, resulting in lower heat generation and improved efficiency. For current-limited applications, this represents a performance improvement with no negative impact.

Q: Are both components RoHS compliant?

A: Yes. Both the ELC-18B150L and RCR1616NP-150M are ROHS3 Compliant, maintaining regulatory alignment for environmental and hazardous substance restrictions.

Q: What packaging formats are available for the substitute?

A: The RCR1616NP-150M is supplied in Tape & Reel (TR) format, standard for automated assembly processes. Bulk or alternative packaging may be available through the manufacturer upon request.

Q: Is the higher saturation current (7.1 A) of the RCR1616NP-150M relevant for this application?

A: Saturation current specification indicates the current level at which the inductor's inductance begins to degrade. The RCR1616NP-150M's 7.1 A saturation rating provides additional margin above the 5.9 A operating requirement, ensuring stable inductance performance across the full operating range.