AISC-0805-R15J-T Equivalent & Substitute Parts

Part Overview

The AISC-0805-R15J-T is a 150 nH unshielded drum core wirewound inductor manufactured by Abracon LLC, rated for 400 mA continuous current with a maximum DC resistance of 560 mOhm. This surface mount component in 0805 (2012 Metric) package is designed for high-frequency applications up to 920 MHz self-resonant frequency. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Inductance	150	nH
Inductance Tolerance	±5	%
Current Rating	400	mA
DC Resistance (DCR) Maximum	560	mOhm
Q Factor @ 250 MHz	50	-
Self-Resonant Frequency	920	MHz
Operating Temperature Range	-40 to 125	°C
Package / Case	0805 (2012 Metric)	-
Mounting Type	Surface Mount	-
Shielding	Unshielded	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the AISC-0805-R15J-T are qualified based on the following criteria:

Electrical Parameters (Must Match or Exceed):

Inductance: 150 nH ±5%
Current Rating: 400 mA minimum
DC Resistance: 560 mOhm maximum
Q Factor @ 250 MHz: 50 minimum
Self-Resonant Frequency: 920 MHz minimum
Operating Temperature Range: -40°C to 125°C minimum

Mechanical Parameters (Must Be Compatible):

Package / Case: 0805 (2012 Metric) or equivalent 0805 (2015 Metric)
Mounting Type: Surface Mount
Shielding: Unshielded

Compliance Requirements:

RoHS3 Compliant
REACH Unaffected
Active product status

The identified substitutes maintain electrical equivalence within the specified tolerance bands and are mechanically compatible with the original part's footprint and mounting requirements.

Parameter Comparison

Parameter	AISC-0805-R15J-T (Abracon)	CW201212-R15J (Bourns)	LQW2BASR15J00L (Murata)
Inductance	150 nH	150 nH	150 nH
Inductance Tolerance	±5%	±5%	±5%
Current Rating	400 mA	400 mA	400 mA
DC Resistance (DCR)	560 mOhm Max	670 mOhm	560 mOhm Max
Q @ 250 MHz	50	50	50
Self-Resonant Frequency	920 MHz	950 MHz	920 MHz
Operating Temperature	-40 to 125°C	-40 to 125°C	-55 to 125°C
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2015 Metric)
Core Material	Ceramic	Ceramic	Air
Type	Drum Core, Wirewound	Drum Core, Wirewound	Wirewound
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

CW201212-R15J (Bourns Inc.): This substitute maintains identical electrical specifications with the exception of DC resistance at 670 mOhm, which exceeds the 560 mOhm maximum of the original part. This higher resistance may introduce additional power dissipation in current-limited applications. The part is ROHS3 compliant, Active status, and mechanically compatible with 0805 (2012 Metric) footprint. Selection is appropriate where the increased DCR is acceptable for the application.

LQW2BASR15J00L (Murata Electronics): This substitute provides electrical equivalence with identical DC resistance (560 mOhm Max) and self-resonant frequency (920 MHz) to the original part. The air core construction differs from the ceramic core of the original, which may affect frequency response characteristics in specific circuit topologies. The part is ROHS3 compliant, Active status, and compatible with 0805 (2015 Metric) footprint. Operating temperature range extends to -55°C, providing broader environmental coverage. Selection is appropriate for applications requiring tighter DCR control and extended low-temperature operation.

Frequently Asked Questions (FAQ)

Q: Can CW201212-R15J be used as a direct replacement for AISC-0805-R15J-T?

A: CW201212-R15J is electrically compatible with the exception of DC resistance. The Bourns part specifies 670 mOhm versus the 560 mOhm maximum of the Abracon part. In applications where DC resistance is a critical parameter for power dissipation or impedance matching, this difference must be evaluated. Mechanical compatibility is confirmed for 0805 (2012 Metric) footprint.

Q: What is the difference between the ceramic core and air core inductors?

A: The AISC-0805-R15J-T uses a ceramic drum core, while the LQW2BASR15J00L uses an air core. Core material affects frequency response, temperature coefficient, and Q factor behavior. Air core inductors typically exhibit lower temperature drift but may have different impedance characteristics across frequency ranges. Selection depends on circuit requirements for frequency stability and impedance profile.

Q: Are the 0805 (2012 Metric) and 0805 (2015 Metric) packages footprint compatible?

A: Both packages are designated as 0805 but represent different metric standards. The 2012 Metric (AISC-0805-R15J-T, CW201212-R15J) measures 2.29mm x 1.73mm, while the 2015 Metric (LQW2BASR15J00L) measures 2.09mm x 1.53mm. Physical dimensions differ slightly. PCB footprint compatibility must be verified before substitution.

Q: Which substitute part has the lowest DC resistance?

A: Both AISC-0805-R15J-T and LQW2BASR15J00L specify 560 mOhm maximum DC resistance. CW201212-R15J specifies 670 mOhm. For applications requiring minimum power dissipation, AISC-0805-R15J-T or LQW2BASR15J00L are preferred.

Q: What is the operating temperature range for each part?

A: AISC-0805-R15J-T and CW201212-R15J both operate from -40°C to 125°C. LQW2BASR15J00L extends the lower limit to -55°C, providing operation from -55°C to 125°C. Selection of LQW2BASR15J00L is necessary for applications requiring sub-zero operation below -40°C.

Q: Are all three parts ROHS3 compliant?

A: Yes. AISC-0805-R15J-T, CW201212-R15J, and LQW2BASR15J00L are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). All parts are REACH unaffected and classified as EAR99 for export control purposes.

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