ELL-ATV6R8N Equivalent & Substitute Parts

Part Overview

The ELL-ATV6R8N is a 6.8 µH shielded drum core wirewound inductor manufactured by Panasonic Electronic Components, rated for 4 A continuous current with 16 mOhm DC resistance. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The part features ferrite core construction, surface mount packaging in a 10.00mm × 10.00mm footprint, and ROHS3 compliance.

Substiute Parts

ELL-ATV6R8N

Panasonic Electronic ComponentsIn Stock: 943ELL-ATV6R8N Datasheet

Current PartRFQ

SDR1045-6R8M

Bourns Inc.In Stock: 1135SDR1045-6R8M Datasheet

SimilarRFQ

SRU1048-6R8Y

Bourns Inc.In Stock: 17586SRU1048-6R8Y Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELL-ATV6R8N must satisfy the following electrical and mechanical criteria:

Primary Matching Criteria:

• Inductance value: 6.8 µH (fixed requirement)
• Core material: Ferrite (fixed requirement)
• Mounting type: Surface Mount (fixed requirement)
• Footprint: 10.00mm × 10.00mm (fixed requirement)
• Shielding: Shielded (electromagnetic containment requirement)

Allowable Parameter Variations:

• Current rating: Equal to or greater than 4 A
• DC resistance: Equal to or less than 16 mOhm (lower resistance preferred for efficiency)
• Tolerance: ±20% or ±30% acceptable
• Product status: Active preferred for long-term availability

The two substitute parts identified meet the primary matching criteria with variations in current rating and DC resistance within acceptable engineering tolerances for this inductor category.

Parameter Comparison

Engineering Selection Recommendations

SRU1048-6R8Y (Preferred Substitute): This Bourns part provides the closest electrical match to the ELL-ATV6R8N. It maintains shielded construction, exceeds the current rating requirement (4.8 A vs. 4 A), and delivers superior DC resistance performance (13.6 mOhm vs. 16 mOhm). The part is active in production, ensuring long-term availability. Height variation of 0.60mm (5.10mm vs. 4.50mm) requires PCB layout verification. ROHS3 and MSL 1 compliance match the original specification.

SDR1045-6R8M (Alternative Substitute): This Bourns part meets the footprint and inductance requirements but presents two significant deviations: unshielded construction (vs. shielded) and elevated DC resistance (40 mOhm Max vs. 16 mOhm). The current rating of 4.6 A falls below the 4 A requirement. This part is suitable only for applications where electromagnetic shielding is not critical and where the lower current rating does not constrain circuit operation. Active product status supports availability.

Frequently Asked Questions (FAQ)

Q: Can SDR1045-6R8M be used as a direct replacement for ELL-ATV6R8N?

A: SDR1045-6R8M is not a direct replacement. The unshielded design introduces electromagnetic coupling risk in noise-sensitive circuits. The 4.6 A current rating is below the original 4 A specification, and the 40 mOhm DC resistance is 2.5 times higher than the original 16 mOhm, resulting in increased power dissipation. Use only if circuit design explicitly permits these deviations.

Q: Is SRU1048-6R8Y a pin-compatible replacement?

A: SRU1048-6R8Y maintains the same 10.00mm × 10.00mm footprint and surface mount package type. Height increases from 4.50mm to 5.10mm; verify PCB clearance and component placement constraints before implementation. All electrical connections are compatible.

Q: What are the compliance implications of switching to substitute parts?

A: Both substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the original specification. No regulatory compliance changes result from substitution. Verify application-specific certifications if required.

Q: Why does SDR1045-6R8M have unshielded construction?

A: Unshielded drum core inductors reduce manufacturing cost and height profile. This design is suitable for applications with adequate spacing from sensitive circuits. Shielded alternatives like SRU1048-6R8Y are required for EMI-critical applications.

Q: How does the DC resistance difference affect circuit performance?

A: Lower DC resistance reduces I²R losses and heat generation. SRU1048-6R8Y (13.6 mOhm) provides 15% better efficiency than the original (16 mOhm). SDR1045-6R8M (40 mOhm) increases losses by 150%, requiring thermal analysis for high-current applications.