Equivalent & Substitute Parts for 0805-221J

Part Overview

The 0805-221J by Delevan is a fixed inductor specified at 220 nH, characterized by an unshielded drum core, wirewound construction, 400 mA current rating, and 700mOhm maximum DC resistance. This component is surface-mountable, utilizes a nonstandard package with approximately 0805 footprint dimensions, and is designated as RoHS non-compliant. The 0805-221J is specified as obsolete, making it necessary to identify alternatives to maintain product continuity in applications requiring these specific parameters.

Key Parameters

Parameter	Value
Inductance	220 nH
Tolerance	±5%
Current Rating	400 mA
DC Resistance (DCR) Max	700 mOhm
Shielding	Unshielded
Core Material	Ceramic
Construction	Drum Core, Wirewound
Mounting Type	Surface Mount
Package Size	0.090" x 0.068" (2.29mm x 1.73mm), Height 0.060" (1.52mm)
Q @ Frequency	50 @ 250MHz
Self Resonant Frequency	850MHz
Operating Temperature	-40°C ~ 125°C
Compliance	RoHS non-compliant
Part Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts are identified based strictly on matching the following key parameters: inductance value, tolerance, current rating, DC resistance (DCR), unshielded configuration, surface mount compatibility, wirewound construction, and similar package dimensions. Only those models explicitly provided with matching or highly similar values are included as substitutes, ensuring electrical and mechanical compatibility within the defined parameters. Compliance and part status differ among alternatives, as specified.

Parameter Comparison

Parameter	0805-221J (Delevan)	CW201212-R22G (Bourns Inc.)	CW201212-R22J (Bourns Inc.)	LQW2BASR22J00L (Murata Electronics)
Inductance	220 nH	220 nH	220 nH	220 nH
Tolerance	±5%	±2%	±5%	±5%
Current Rating	400 mA	300 mA	300 mA	400 mA
DCR (Max)	700 mOhm	1.1 Ohm	1.1 Ohm	700 mOhm
Shielding	Unshielded	Unshielded	Unshielded	Unshielded
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	Nonstandard (similar to 0805)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2015 Metric)
Package Dimensions (L x W x H)	2.29mm x 1.73mm x 1.52mm	2.10mm x 1.50mm x 1.50mm	2.10mm x 1.50mm x 1.50mm	2.09mm x 1.53mm x 1.52mm
Q @ Freq	50 @ 250MHz	50 @ 250MHz	50 @ 250MHz	50 @ 250MHz
Self Resonant Freq	850MHz	860MHz	860MHz	820MHz
Operating Temp	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-55°C ~ 125°C
Compliance (RoHS)	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Part Status	Obsolete	Active	Active	Active

Engineering Selection Recommendations

Select substitute parts based on matching inductance value, tolerance, current rating, DC resistance, package size, and mounting type, as shown in the comparison. The CW201212-R22J (Bourns Inc.), CW201212-R22G (Bourns Inc.), and LQW2BASR22J00L (Murata Electronics) are all RoHS compliant and currently active, differing from the obsolete and RoHS non-compliant status of 0805-221J. Compliance statuses and active lifecycle states are significant considerations when selecting alternatives for designs requiring RoHS conformity or long-term availability.

Frequently Asked Questions (FAQ)

Q1: What criteria were used to determine equivalent and substitute parts for 0805-221J?
Substitute parts are matched strictly by inductance (220 nH), tolerance (±5% or tighter), current rating (300–400 mA), DC resistance, unshielded configuration, surface-mount compatibility, wirewound construction, and package dimensions within 0805 or near-0805 footprints.

Q2: Are package sizes exactly the same between 0805-221J and the substitutes?
Substitute parts have 0805 or near-0805 package dimensions. Actual length, width, and height may vary minimally. Review provided dimension data for precise fit within mechanical constraints.

Q3: Do the substitute inductors meet the same current rating and DCR as 0805-221J?
LQW2BASR22J00L matches the current rating (400 mA) and maximum DCR (700 mOhm) of 0805-221J. CW201212-R22G and CW201212-R22J specify slightly lower current rating (300 mA) and higher DCR (1.1 Ohm).

Q4: What is the compliance status difference between the original and substitute parts?
0805-221J is RoHS non-compliant. All substitutes listed are RoHS3 compliant, potentially impacting designs requiring environmental compliance.

Q5: Why was it necessary to list these particular alternatives?
The 0805-221J is obsolete. The listed alternatives are active and available, providing options for continued sourcing with similar electrical and mechanical specifications within the strict substitution criteria.

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