ELC-08D151E Equivalent & Substitute Parts

Part Overview

The ELC-08D151E is a 150 µH unshielded through-hole inductor manufactured by Panasonic Electronic Components, rated for 700 mA with a DC resistance of 200mOhm. This component is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The part features a ferrite core in a radial, vertical cylinder package with RoHS3 compliance and unlimited moisture sensitivity rating.

Substiute Parts

ELC-08D151E

Panasonic Electronic ComponentsIn Stock: 1019ELC-08D151E Datasheet

Current PartRFQ

7447720151

Würth ElektronikIn Stock: 8957447720151 Datasheet

DirectRFQ

RL622-151K-RC

Bourns Inc.In Stock: 3607RL622-151K-RC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ELC-08D151E are qualified based on the following electrical and mechanical parameters:

• Inductance value: 150 µH (exact match required)
• Inductance tolerance: ±10% (matching tolerance band)
• Core material: Ferrite (unshielded)
• Mounting type: Through hole
• Package configuration: Radial, vertical cylinder
• Current rating: Minimum 700 mA (equal or greater)
• DC resistance: Maximum 200mOhm (equal or lower preferred for thermal performance)
• RoHS3 compliance: Required for regulatory alignment

The substitute parts listed below meet these criteria and are classified as either direct manufacturer equivalents or similar alternatives based on electrical performance within the specified parameter ranges.

Parameter Comparison

Engineering Selection Recommendations

7447720151 (Würth Elektronik WE-TI Series)

This part qualifies as a direct manufacturer equivalent. It exceeds the current rating requirement at 1.1 A versus 700 mA, providing design margin. The DC resistance of 300mOhm is higher than the original specification but remains within acceptable tolerance for most applications. Operating temperature range of -40°C to 125°C supports extended environmental conditions. Active product status ensures long-term availability and supply chain stability. RoHS3 compliance and REACH unaffected status confirm regulatory alignment.

RL622-151K-RC (Bourns Inc. RL622 Series)

This part qualifies as a similar alternative. Current rating of 750 mA matches the original specification closely. DC resistance of 370mOhm represents a higher value than the original, which may impact thermal performance in current-limited applications. Operating temperature range of -55°C to 105°C provides lower temperature capability. Active product status ensures availability. RoHS3 compliance and REACH unaffected status confirm regulatory alignment. This option provides the closest dimensional match to the original package.

Frequently Asked Questions (FAQ)

Q: Can the 7447720151 replace the ELC-08D151E in all applications?

A: The 7447720151 meets all core electrical and mechanical substitution criteria. The higher current rating (1.1 A vs. 700 mA) and increased DC resistance (300mOhm vs. 200mOhm) must be evaluated against specific circuit requirements. Thermal dissipation and current-limiting behavior should be verified for your application.

Q: What is the difference between "Direct Manufacturer" and "Similar" substitute classifications?

A: Direct manufacturer equivalents are sourced from alternative manufacturers and meet the primary electrical specifications with minimal deviation. Similar alternatives meet the core specifications but may have variations in secondary parameters such as DC resistance or package dimensions that require application-level verification.

Q: Are there dimensional compatibility concerns when substituting these parts?

A: The ELC-08D151E measures 0.315" diameter (8.00mm) with 0.512" height (13.00mm). The 7447720151 is slightly smaller at 0.307" diameter (7.80mm) with 0.394" height (10.00mm). The RL622-151K-RC is slightly larger at 0.335" diameter (8.50mm) with 0.433" height (11.00mm). PCB layout and clearance requirements should be verified before substitution.

Q: Do all substitute parts maintain RoHS3 compliance?

A: Yes, both substitute parts are RoHS3 compliant, matching the regulatory status of the original ELC-08D151E.

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

A: Higher DC resistance increases resistive losses and heat generation at the same current level. For the 7447720151 at 300mOhm and RL622-151K-RC at 370mOhm, thermal performance should be evaluated in applications operating near the 700 mA current rating.