AA2512JK-072R2L Equivalent & Substitute Parts

Part Overview

The AA2512JK-072R2L is a 2.2 Ohms ±5% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by YAGEO. This component is designed for automotive applications with AEC-Q200 qualification, anti-sulfur coating, and moisture resistance. The part is currently active in production with 988 units in stock. Substitute parts are identified to address inventory availability, tolerance requirements, power rating upgrades, or alternative manufacturer sourcing while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	2.2 Ohms
Tolerance	±5%
Power Rating	1W
Package / Case	2512 (6432 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the AA2512JK-072R2L are grouped based on the following substitution criteria:

Core Electrical Parameters (Must Match):

Resistance value: 2.2 Ohms
Package / Case: 2512 (6432 Metric)
Composition: Thick Film
Temperature Coefficient: ±200ppm/°C
Operating Temperature Range: -55°C ~ 155°C

Allowable Variations:

Tolerance: ±1% to ±5% (tighter tolerance acceptable)
Power Rating: 1W to 2W (equal or higher acceptable)
Manufacturer: YAGEO, Vishay Dale, Bourns Inc., Stackpole Electronics Inc.
Packaging: Tape & Reel (TR), Cut Tape (CT) & Digi-Reel®
Features: Anti-Sulfur, Automotive AEC-Q200, Moisture Resistant, Pulse Withstanding, Current Sense

Compliance Requirements:

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Packaging Type	Inventory
AA2512JK-072R2L	YAGEO	2.2 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Anti-Sulfur, AEC-Q200, Moisture Resistant	Tape & Reel	988 Pcs
RC2512FK-072R2L	YAGEO	2.2 Ω	±1%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Moisture Resistant	Tape & Reel	8978 Pcs
RC2512JK-072R2L	YAGEO	2.2 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	Moisture Resistant	Cut Tape & Digi-Reel®	560485 Pcs
CRCW25122R20JNEG	Vishay Dale	2.2 Ω	±5%	1W	2512	±200ppm/°C	-55°C ~ 155°C	AEC-Q200	Tape & Reel	6300 Pcs
CRCW25122R20JNEGHP	Vishay Dale	2.2 Ω	±5%	1.5W	2512	±200ppm/°C	-55°C ~ 155°C	AEC-Q200, Pulse Withstanding	Tape & Reel	3242 Pcs
CRM2512-JW-2R2ELF	Bourns Inc.	2.2 Ω	±5%	2W	2512	±200ppm/°C	-55°C ~ 155°C	Current Sense	Tape & Reel	2200 Pcs
RPC2512JT2R20	Stackpole Electronics Inc	2.2 Ω	±5%	1.5W	2512	±200ppm/°C	-55°C ~ 155°C	AEC-Q200, Pulse Withstanding	Tape & Reel	30791 Pcs

Engineering Selection Recommendations

Primary Substitute (Same Specifications): RC2512JK-072R2L from YAGEO matches the AA2512JK-072R2L in all electrical and mechanical parameters. This part differs only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel) and offers significantly higher inventory availability (560485 units). Both are ROHS3 compliant with MSL 1 rating.

Higher Tolerance Alternative: RC2512FK-072R2L from YAGEO provides ±1% tolerance versus ±5%, maintaining identical power rating, package, and temperature specifications. This option is suitable for applications requiring tighter resistance tolerance while maintaining ROHS3 compliance and MSL 1 rating.

Automotive-Qualified Alternatives: CRCW25122R20JNEG from Vishay Dale and RPC2512JT2R20 from Stackpole Electronics Inc. both carry AEC-Q200 automotive qualification matching the original part. CRCW25122R20JNEG maintains 1W power rating, while RPC2512JT2R20 provides 1.5W rating with pulse withstanding capability. Both are ROHS3 compliant with MSL 1 rating.

Enhanced Power Rating Options: CRCW25122R20JNEGHP (Vishay Dale, 1.5W) and CRM2512-JW-2R2ELF (Bourns Inc., 2W) offer increased power dissipation capability. These parts are suitable for applications requiring higher thermal margin or pulse withstanding performance while maintaining the 2512 package footprint and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-072R2L replace AA2512JK-072R2L directly? A: Yes. Both parts share identical electrical specifications (2.2 Ohms ±5%, 1W), package (2512), temperature coefficient (±200ppm/°C), and operating range (-55°C ~ 155°C). The difference is packaging format and inventory availability.

Q: What is the difference between ±5% and ±1% tolerance options? A: Tolerance defines the acceptable resistance variation from the nominal 2.2 Ohm value. ±5% allows 2.09 to 2.31 Ohms; ±1% allows 2.178 to 2.222 Ohms. Tighter tolerance (±1%) is suitable for precision circuits but may not be necessary for general applications.

Q: Are higher power rating substitutes (1.5W, 2W) compatible? A: Yes. Higher power ratings are mechanically and electrically compatible with the 2512 package. These parts provide additional thermal margin and are suitable for applications with higher current or pulse requirements. Verify circuit design does not depend on specific power dissipation characteristics.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive industry standard for passive components. Parts meeting this qualification are tested for reliability in automotive environments. The original AA2512JK-072R2L and several substitutes (CRCW25122R20JNEG, RPC2512JT2R20) carry this certification.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect electrical performance? A: No. Packaging format affects only handling, storage, and assembly processes. Electrical and mechanical specifications remain identical. Choose based on manufacturing equipment compatibility and inventory requirements.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance status.

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