ELJ-NDR47JF Equivalent & Substitute Parts

Part Overview

The Panasonic ELJ-NDR47JF is a 470 nH unshielded wirewound inductor rated for 145 mA with a maximum DC resistance of 2.56Ohm in 0805 (2012 Metric) surface mount package. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts must maintain the core electrical specifications while meeting current manufacturing and compliance standards.

Substiute Parts

ELJ-NDR47JF

Panasonic Electronic ComponentsIn Stock: 868ELJ-NDR47JF Datasheet

Current PartRFQ

74476032C

Würth ElektronikIn Stock: 424574476032C Datasheet

DirectRFQ

B82498F3471J000

EPCOS - TDK ElectronicsIn Stock: 11883B82498F3471J000 Datasheet

DirectRFQ

IMC0805ERR47J01

Vishay DaleIn Stock: 964IMC0805ERR47J01 Datasheet

DirectRFQ

LRW0805FJR47GV001E

Johanson Technology Inc.In Stock: 1073LRW0805FJR47GV001E Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly to the provided parameters:

Primary Criteria (Must Match):

• Inductance: 470 nH ±5%
• Tolerance: ±5%
• Shielding: Unshielded
• Mounting Type: Surface Mount
• Moisture Sensitivity Level: 1 (Unlimited)

Secondary Criteria (Must Equal or Exceed):

• Current Rating: Minimum 145 mA
• DC Resistance: Maximum 2.56Ohm
• Operating Temperature Range: Must encompass or extend the original -20°C ~ 85°C range

Package Compatibility:

• Primary: 0805 (2012 Metric) package
• Secondary: Nonstandard packages with equivalent physical footprint (0805 supplier device package)

The following parts meet these substitution criteria:

1. B82498F3471J000 (EPCOS - TDK Electronics) – Direct substitute with superior current rating and lower DCR
2. IMC0805ERR47J01 (Vishay Dale) – Direct substitute with highest current rating and lowest DCR
3. LRW0805FJR47GV001E (Johanson Technology Inc.) – Direct substitute with equivalent current rating and DCR
4. 74476032C (Würth Elektronik) – Substitute with higher current rating; nonstandard package requires footprint verification

Parameter Comparison

Engineering Selection Recommendations

Recommended Primary Substitutes:

IMC0805ERR47J01 (Vishay Dale) – Optimal choice for direct replacement. Maintains 0805 (2012 Metric) package footprint, exceeds current rating specification (500 mA vs. 145 mA requirement), provides lowest DC resistance (950mOhm), and is ROHS3 compliant with active product status. Operating temperature range (-40°C ~ 105°C) covers the original specification.

LRW0805FJR47GV001E (Johanson Technology Inc.) – Equivalent alternative with identical package footprint. Meets current rating requirement (500 mA), achieves lowest DC resistance (950mOhm), and is ROHS3 compliant with active product status. Operating temperature range (-40°C ~ 85°C) matches the original upper limit.

B82498F3471J000 (EPCOS - TDK Electronics) – Suitable substitute with extended operating temperature range (-55°C ~ 125°C) and AEC-Q200 rating for automotive applications. Nonstandard package designation requires physical dimension verification (2.30mm x 1.70mm vs. 2.00mm x 1.25mm original), though supplier device package is listed as 0805 (2012 Metric). Current rating (190 mA) and DC resistance (1.9Ohm) both exceed requirements.

Secondary Substitute:

74476032C (Würth Elektronik) – Acceptable substitute with higher current rating (250 mA) and comparable DC resistance (2.3Ohm). Nonstandard package classification requires footprint verification before PCB layout commitment. ROHS3 compliant with active product status and extended operating temperature range (-40°C ~ 125°C).

Frequently Asked Questions (FAQ)

Q: Can I use IMC0805ERR47J01 as a direct drop-in replacement for ELJ-NDR47JF?

A: Yes. Both parts maintain 0805 (2012 Metric) package dimensions (2.00mm x 1.25mm), identical inductance (470 nH ±5%), and unshielded configuration. IMC0805ERR47J01 exceeds the current rating and provides lower DC resistance, making it electrically compatible for the same circuit application.

Q: What is the difference between "0805 (2012 Metric)" and "Nonstandard" package designations?

A: "0805 (2012 Metric)" is the standard IEC package designation (2.00mm x 1.25mm). "Nonstandard" indicates the manufacturer uses a proprietary package classification. However, when the supplier device package is listed as "0805," the physical footprint is equivalent. Verify actual dimensions (length x width x height) before PCB layout to confirm mechanical compatibility.

Q: Why does B82498F3471J000 have a lower DC resistance (1.9Ohm) than the original part (2.56Ohm)?

A: Lower DC resistance is a performance improvement, not a compatibility issue. It reduces power dissipation and heat generation in the circuit. This substitution is valid as long as the circuit design does not depend on the specific resistance value of the original part.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts listed (B82498F3471J000, IMC0805ERR47J01, LRW0805FJR47GV001E, and 74476032C) are ROHS3 compliant. The original ELJ-NDR47JF compliance status is not specified in the provided data.

Q: Which substitute part has the widest operating temperature range?

A: B82498F3471J000 and 74476032C both provide -40°C ~ 125°C range, extending beyond the original -20°C ~ 85°C specification. IMC0805ERR47J01 offers -40°C ~ 105°C. LRW0805FJR47GV001E matches the original upper limit at -40°C ~ 85°C.

Q: Can I use 74476032C if my PCB is already designed for 0805 package?

A: Verify physical dimensions before committing to layout. 74476032C is classified as nonstandard package but lists 0805 as the supplier device package. Actual dimensions are 2.29mm x 1.70mm (length x width), which differs from the standard 0805 footprint (2.00mm x 1.25mm). Confirm mechanical clearance and pad spacing compatibility with your PCB design.