Equivalent & Substitute Parts for ELJ-NDR10JF

Part Overview

The Panasonic ELJ-NDR10JF is a 100 nH unshielded wirewound inductor rated for 285 mA with a maximum DC resistance of 860mOhm, packaged in 0805 (2012 Metric) surface mount format. This component is classified as obsolete, necessitating identification of active substitute parts that maintain electrical and mechanical compatibility for new designs or production continuity.

Key Parameters

Parameter	Value
Inductance	100 nH
Tolerance	±5%
Current Rating	285 mA
DC Resistance (DCR)	860mOhm Max
Shielding	Unshielded
Operating Temperature	-20°C ~ 85°C
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the ELJ-NDR10JF is determined by the following critical parameters:

Inductance Value: All substitute parts maintain 100 nH ±5% tolerance
Shielding Type: All substitutes are unshielded, matching the original specification
Mounting Type: All substitutes are surface mount compatible
Package Compatibility: Mechanical dimensions and height must accommodate 0805 (2012 Metric) footprint requirements
Current Rating: Substitute parts must equal or exceed the 285 mA requirement
DC Resistance: Lower DCR values in substitutes provide improved performance characteristics
Moisture Sensitivity: All substitutes maintain MSL 1 rating for unlimited shelf life

The substitute parts are grouped into two categories: direct equivalents with standard 0805 package geometry, and functional equivalents with nonstandard dimensions that remain within acceptable PCB assembly tolerances.

Parameter Comparison

Parameter	ELJ-NDR10JF (Main)	IMC0805ERR10J01	B82498F3101J000	7447602C	LRW0805WJR10GG001E
Manufacturer	Panasonic	Vishay Dale	EPCOS - TDK Electronics	Würth Elektronik	Johanson Technology Inc.
Inductance	100 nH	100 nH	100 nH	100 nH	100 nH
Tolerance	±5%	±5%	±5%	±5%	±5%
Current Rating (mA)	285	500	450	400	500
DC Resistance Max (mOhm)	860	430	280	460	430
Shielding	Unshielded	Unshielded	Unshielded	Unshielded	Unshielded
Operating Temperature	-20°C ~ 85°C	-40°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	Nonstandard	Nonstandard	0805 (2012 Metric)
Size / Dimension (mm)	2.00 x 1.25	2.00 x 1.25	2.30 x 1.70	2.29 x 1.70	2.00 x 1.25
Height - Seated Max (mm)	1.45	1.40	1.40	1.48	1.40
Product Status	Obsolete	Active	Active	Active	Active
Moisture Sensitivity Level	1	1	1	1	1
RoHS Status	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Standard 0805 Package Geometry)

IMC0805ERR10J01 and LRW0805WJR10GG001E are direct mechanical and electrical substitutes with identical 0805 (2012 Metric) package dimensions (2.00mm x 1.25mm). Both parts are active products with ROHS3 compliance and extended operating temperature ranges (-40°C ~ 125°C). IMC0805ERR10J01 offers the lowest DC resistance at 430mOhm and highest current rating at 500 mA. LRW0805WJR10GG001E provides equivalent electrical performance with identical package geometry.

Secondary Substitutes (Nonstandard Package Geometry)

B82498F3101J000 and 7447602C feature nonstandard package dimensions (2.30mm x 1.70mm and 2.29mm x 1.70mm respectively) but maintain compatibility with 0805 footprints within standard PCB assembly tolerances. B82498F3101J000 provides superior DC resistance performance at 280mOhm and includes AEC-Q200 automotive qualification. Both parts are active products with ROHS3 compliance and extended temperature ranges.

All substitute parts exceed the original 285 mA current rating requirement and provide improved DC resistance characteristics, resulting in lower power dissipation and enhanced circuit performance.

Frequently Asked Questions (FAQ)

Q: Can IMC0805ERR10J01 directly replace ELJ-NDR10JF without PCB layout modifications?

A: Yes. IMC0805ERR10J01 maintains identical 0805 (2012 Metric) package dimensions (2.00mm x 1.25mm) and height (1.40mm), requiring no PCB footprint changes.

Q: What is the primary advantage of B82498F3101J000 over other substitutes?

A: B82498F3101J000 provides the lowest DC resistance at 280mOhm maximum, reducing power dissipation by approximately 67% compared to the original ELJ-NDR10JF specification. It also includes AEC-Q200 automotive qualification for applications requiring automotive-grade reliability.

Q: Are nonstandard package substitutes (7447602C, B82498F3101J000) suitable for high-density PCB designs?

A: Nonstandard package parts feature larger dimensions (2.29-2.30mm x 1.70mm) compared to standard 0805 geometry (2.00mm x 1.25mm). PCB layout verification is required to confirm clearance with adjacent components and trace routing.

Q: Do all substitute parts maintain the same moisture sensitivity level?

A: Yes. All substitute parts maintain MSL 1 (Unlimited) rating, identical to the original ELJ-NDR10JF, ensuring equivalent shelf life and storage requirements.

Q: Which substitute offers the best thermal performance for high-current applications?

A: B82498F3101J000 provides the lowest DC resistance (280mOhm) and highest current rating (450 mA), combined with extended operating temperature range (-55°C ~ 125°C), making it optimal for thermal-constrained applications.

Q: Are all substitute parts RoHS compliant?

A: Yes. All active substitute parts (IMC0805ERR10J01, B82498F3101J000, 7447602C, LRW0805WJR10GG001E) are ROHS3 compliant.

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