ELL-8TPR80NB Equivalent & Substitute Parts

Part Overview

The ELL-8TPR80NB is a 800 nH shielded wirewound inductor manufactured by Panasonic Electronic Components, rated for 9 A continuous current with a DC resistance of 3.6 mOhm. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain the specified inductance value, current rating capability, and shielding characteristics while accommodating mechanical and thermal requirements of the application.

Substiute Parts

ELL-8TPR80NB

Panasonic Electronic ComponentsIn Stock: 898ELL-8TPR80NB Datasheet

Current PartRFQ

SRP5030CA-R80M

Bourns Inc.In Stock: 2035SRP5030CA-R80M Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ELL-8TPR80NB is determined by the following critical parameters:

• Inductance Value: 800 nH (primary electrical requirement)
• Current Rating: Minimum 9 A continuous current capability
• Shielding: Shielded construction required
• Mounting: Surface mount configuration
• DC Resistance: Acceptable range based on thermal and efficiency constraints
• Environmental Compliance: ROHS3 compliance and MSL rating

The substitute part SRP5030CA-R80M meets these core electrical requirements with equivalent inductance and superior current rating (13.1 A), enabling direct functional replacement. Mechanical package differences and enhanced thermal performance characteristics support this substitution relationship.

Parameter Comparison

Engineering Selection Recommendations

The SRP5030CA-R80M qualifies as a direct substitute based on the following criteria:

• Electrical Equivalence: Identical 800 nH inductance at 100 kHz test frequency with tighter tolerance (±20% vs ±30%)
• Current Capability: 13.1 A rating exceeds the 9 A requirement, providing design margin
• Compliance: Both parts maintain ROHS3 compliance and MSL 1 rating
• Product Status: SRP5030CA-R80M is active production, ensuring long-term availability
• Thermal Performance: Extended operating range (-55°C ~ 155°C) accommodates broader application requirements
• Saturation Margin: 20 A saturation current provides additional headroom above the 9 A operating point

The higher DC resistance (5.65 mOhm vs 3.6 mOhm) must be evaluated within the specific circuit context to confirm thermal and efficiency acceptance.

Frequently Asked Questions (FAQ)

Q: Can SRP5030CA-R80M directly replace ELL-8TPR80NB in existing designs?

A: Yes, provided the circuit design accommodates the increased DC resistance (5.65 mOhm vs 3.6 mOhm). The electrical performance at 800 nH inductance and superior current rating (13.1 A) support direct functional replacement. Physical package dimensions differ; PCB layout verification is required.

Q: What is the impact of the higher DC resistance in the substitute part?

A: The 5.65 mOhm maximum DCR of SRP5030CA-R80M results in increased resistive losses compared to the 3.6 mOhm of ELL-8TPR80NB. Power dissipation increases proportionally with current squared. Circuit thermal analysis must confirm acceptable operating conditions at the application's maximum current level.

Q: Are there mechanical compatibility considerations?

A: Yes. ELL-8TPR80NB dimensions are 8.00mm x 8.00mm x 5.00mm (max height). SRP5030CA-R80M dimensions are 5.50mm x 5.30mm x 3.10mm (max height). The substitute is physically smaller, requiring PCB footprint and clearance verification before implementation.

Q: Do both parts meet the same environmental and compliance standards?

A: Both parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. SRP5030CA-R80M includes AEC-Q200 automotive qualification and REACH Unaffected status, providing additional compliance documentation for regulated applications.

Q: What is the inductance tolerance difference between these parts?

A: ELL-8TPR80NB has ±30% tolerance, while SRP5030CA-R80M has ±20% tolerance. The tighter tolerance of the substitute part may improve circuit performance consistency and reduce design margin requirements.