ELJ-RE1N5DF2 Equivalent & Substitute Parts

Part Overview

The ELJ-RE1N5DF2 is a 1.5 nH unshielded multilayer inductor manufactured by Panasonic Electronic Components, rated for 500 mA maximum current with 70mOhm DC resistance in a 0603 (1608 Metric) surface mount package. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and production continuity.

Substiute Parts

ELJ-RE1N5DF2
Panasonic Electronic ComponentsIn Stock: 932ELJ-RE1N5DF2 Datasheet
ELJ-RE1N5DF2
Current Part
B82496C3159A000
EPCOS - TDK ElectronicsIn Stock: 4999B82496C3159A000 Datasheet
B82496C3159A000
Similar
B82496C3159Z000
EPCOS - TDK ElectronicsIn Stock: 979B82496C3159Z000 Datasheet
B82496C3159Z000
Similar

Key Parameters

Parameter Value
Inductance 1.5 nH
Inductance Tolerance ±0.3nH
Current Rating 500 mA
DC Resistance (DCR) 70mOhm Max
Q @ 100MHz 8
Self Resonant Frequency 6GHz
Operating Temperature Range -40°C ~ 85°C
Package / Case 0603 (1608 Metric)
Mounting Type Surface Mount
Shielding Unshielded

Substitute Part Grouping Explanation

Substitution for the ELJ-RE1N5DF2 is determined by the following critical parameters:

  • Inductance Value: 1.5 nH (with tolerance ±0.3nH or tighter)
  • Package / Case: 0603 (1608 Metric) surface mount
  • Shielding Type: Unshielded
  • Physical Dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)
  • Mounting Type: Surface Mount

The identified substitute parts B82496C3159A000 and B82496C3159Z000 from EPCOS - TDK Electronics meet these core substitution criteria. Both parts maintain the same inductance value, tolerance specification, package footprint, and unshielded configuration. The substitute parts are manufactured using drum core wirewound construction with ceramic core material, compared to the original multilayer construction.

Parameter Comparison

Parameter ELJ-RE1N5DF2 (Panasonic) B82496C3159A000 (EPCOS - TDK) B82496C3159Z000 (EPCOS - TDK)
Inductance 1.5 nH 1.5 nH 1.5 nH
Inductance Tolerance ±0.3nH ±0.3nH ±0.2nH
Current Rating (Amps) 500 mA 1.5 A 1.5 A
DC Resistance (DCR) 70mOhm Max 30mOhm Max 30mOhm Max
Q @ 100MHz 8 8 8
Self Resonant Frequency 6GHz 13GHz 13GHz
Operating Temperature Range -40°C ~ 85°C -55°C ~ 150°C -55°C ~ 150°C
Package / Case 0603 (1608 Metric) 0603 (1608 Metric) 0603 (1608 Metric)
Shielding Unshielded Unshielded Unshielded
Product Status Obsolete Active Active
RoHS Status RoHS non-compliant ROHS3 Compliant ROHS3 Compliant

Engineering Selection Recommendations

Both B82496C3159A000 and B82496C3159Z000 are active products with ROHS3 compliance and AEC-Q200 automotive qualification ratings. The ELJ-RE1N5DF2 is obsolete and non-compliant with current RoHS standards.

B82496C3159Z000 offers tighter inductance tolerance (±0.2nH versus ±0.3nH), providing superior inductance accuracy for precision circuit applications. Both substitute parts provide superior electrical performance characteristics: higher current ratings (1.5 A versus 500 mA), lower DC resistance (30mOhm versus 70mOhm), higher self-resonant frequency (13GHz versus 6GHz), and extended operating temperature range (-55°C ~ 150°C versus -40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can B82496C3159A000 and B82496C3159Z000 be used interchangeably with ELJ-RE1N5DF2?

A: Both parts are functionally equivalent for the core inductance specification (1.5 nH) and package footprint (0603 Metric). The substitute parts offer improved electrical performance and are active products with current manufacturing support and compliance certifications.

Q: What is the difference between B82496C3159A000 and B82496C3159Z000?

A: The primary difference is inductance tolerance: B82496C3159A000 has ±0.3nH tolerance, while B82496C3159Z000 has ±0.2nH tolerance. B82496C3159Z000 provides tighter inductance accuracy for applications requiring higher precision.

Q: Are the substitute parts physically compatible with the original PCB layout?

A: Yes. Both substitute parts use the same 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W). Maximum seated height differs slightly (0.035" for substitutes versus 0.031" for original), which remains within standard PCB assembly tolerances.

Q: What compliance advantages do the substitute parts offer?

A: The substitute parts are ROHS3 compliant and carry AEC-Q200 automotive qualification. The original ELJ-RE1N5DF2 is RoHS non-compliant and obsolete, making the substitutes necessary for regulatory compliance in new designs.

Q: Do the substitute parts have higher current ratings?

A: Yes. Both B82496C3159A000 and B82496C3159Z000 are rated for 1.5 A maximum current, compared to 500 mA for the original part. This provides additional design margin and allows use in higher-current applications.

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