Equivalent & Substitute Parts for 0805-15NJ

Part Overview

The API Delevan Inc. 0805-15NJ is a 15 nH unshielded drum core wirewound inductor rated for 600 mA with a maximum DC resistance of 170mOhm. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and procurement continuity. Substitute parts must maintain electrical performance across the specified operating temperature range of -40°C to 125°C while meeting the same inductance tolerance and current handling requirements.

Key Parameters

Parameter	Value
Inductance	15 nH
Inductance Tolerance	±5%
Current Rating	600 mA
DC Resistance (DCR)	170mOhm Max
Shielding	Unshielded
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package / Case	0805 (2015 Metric)
Q @ Frequency	50 @ 500MHz
Frequency - Self Resonant	3.4GHz

Substitute Part Grouping Explanation

Substitution eligibility for the 0805-15NJ is determined by strict equivalence across the following critical parameters:

Inductance Value: 15 nH ±5% tolerance
Current Rating: 600 mA minimum
DC Resistance: 170mOhm maximum
Shielding Configuration: Unshielded
Mounting Type: Surface Mount
Operating Temperature Range: -40°C to 125°C minimum
Package Footprint: 0805 (2015 Metric) or compatible 0805 (2012 Metric)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in core material, Q factor, and self-resonant frequency do not disqualify substitution when all primary parameters align.

Parameter Comparison

Parameter	0805-15NJ (API Delevan)	36502A15NJTDG (TE Connectivity)	CW201212-15NJ (Bourns)	LQW2BAS15NJ00L (Murata)
Inductance	15 nH	15 nH	15 nH	15 nH
Tolerance	±5%	±5%	±5%	±5%
Current Rating (Amps)	600 mA	600 mA	600 mA	600 mA
DC Resistance (DCR)	170mOhm Max	170mOhm Max	80mOhm	170mOhm Max
Shielding	Unshielded	Unshielded	Unshielded	Unshielded
Q @ 500MHz	50	50	60	50
Self Resonant Frequency	3.4GHz	3.4GHz	3.6GHz	3.2GHz
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-55°C ~ 125°C
Package / Case	0805 (2015 Metric)	0805 (2015 Metric)	0805 (2012 Metric)	0805 (2015 Metric)
Product Status	Obsolete	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

36502A15NJTDG (TE Connectivity Passive Product): This part provides direct electrical and mechanical equivalence to the 0805-15NJ. The component is active in production status with ROHS3 compliance and AEC-Q200 automotive qualification. Identical inductance, tolerance, current rating, and DCR specifications ensure seamless substitution. Packaging is Tape & Reel format.

CW201212-15NJ (Bourns Inc.): This substitute meets all core electrical requirements with improved DC resistance performance (80mOhm versus 170mOhm maximum). The component is active with ROHS3 compliance. Physical dimensions differ slightly (0.083" L x 0.059" W versus 0.090" L x 0.068" W), requiring PCB layout verification for the 0805 (2012 Metric) package footprint. Higher Q factor (60 @ 500MHz) and self-resonant frequency (3.6GHz) may provide performance advantages in specific RF applications.

LQW2BAS15NJ00L (Murata Electronics): This part matches electrical specifications with identical inductance, tolerance, current rating, and DCR. The component is active with ROHS3 compliance and extended operating temperature range (-55°C to 125°C). Core material is air rather than ceramic. Physical dimensions are 0.082" L x 0.060" W. Packaging is Cut Tape and Digi-Reel format. Lower self-resonant frequency (3.2GHz) should be evaluated for high-frequency circuit applications.

Frequently Asked Questions (FAQ)

Q: Can the CW201212-15NJ be used as a direct PCB replacement for the 0805-15NJ?

A: The CW201212-15NJ meets all electrical requirements but has different physical dimensions. The 0805 (2012 Metric) package is 0.083" L x 0.059" W compared to the 0805 (2015 Metric) at 0.090" L x 0.068" W. PCB footprint compatibility must be verified before substitution.

Q: What is the significance of the lower DCR in the CW201212-15NJ?

A: The CW201212-15NJ specifies 80mOhm maximum DCR compared to 170mOhm maximum for the original part. Lower DCR reduces resistive losses and heat generation at rated current, which may improve circuit efficiency. This is a performance enhancement rather than a limitation.

Q: Are all substitute parts RoHS compliant?

A: Yes. The 36502A15NJTDG, CW201212-15NJ, and LQW2BAS15NJ00L are all ROHS3 compliant. The original 0805-15NJ is RoHS non-compliant, making these substitutes necessary for new designs subject to RoHS requirements.

Q: Does the air core material in the LQW2BAS15NJ00L affect performance?

A: The LQW2BAS15NJ00L uses air core construction versus ceramic core in the original part. Both achieve the specified 15 nH inductance with ±5% tolerance. The air core results in a lower self-resonant frequency (3.2GHz versus 3.4GHz), which should be evaluated for applications operating near or above this frequency threshold.

Q: What packaging formats are available for these substitutes?

A: The 36502A15NJTDG is supplied in Tape & Reel format. The CW201212-15NJ is supplied in Tape & Reel format. The LQW2BAS15NJ00L is supplied in Cut Tape and Digi-Reel format. Packaging selection depends on assembly process requirements and volume.

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