AA0805JR-072R2L Equivalent & Substitute Parts

Part Overview

The AA0805JR-072R2L is a 2.2 Ohm ±5% 1/8W thick film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This component is actively produced and widely used in automotive and industrial applications requiring anti-sulfur and moisture-resistant characteristics with AEC-Q200 qualification. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance ratings are maintained across alternative manufacturers or series variants.

Key Parameters

Parameter	Value
Resistance	2.2 Ohms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C ~ 155°C
AEC-Q200 Rating	Yes
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Primary Substitution Criteria:

Resistance value: 2.2 Ohms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Tolerance: ±5% or tighter (±1% acceptable as upgrade)
Power Rating: 0.125W minimum (higher ratings acceptable)
Composition: Thick Film
Temperature Coefficient: ±200ppm/°C
Operating Temperature Range: -55°C ~ 155°C minimum
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Secondary Considerations:

AEC-Q200 automotive qualification (preferred for automotive applications)
Packaging format (Tape & Reel or Cut Tape acceptable)
Manufacturer series designation

Parts meeting all primary criteria are classified as direct substitutes. Parts with higher power ratings or improved tolerance specifications are classified as upgrades while maintaining full compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	AEC-Q200	RoHS3	MSL
AA0805JR-072R2L	YAGEO	2.2 Ω	±5%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
AC0805FR-072R2L	YAGEO	2.2 Ω	±1%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
AC0805JR-072R2L	YAGEO	2.2 Ω	±5%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
RC0805FR-072R2L	YAGEO	2.2 Ω	±1%	0.125	0805	±200ppm/°C	-55~155°C	No	Yes	1
RC0805JR-072R2L	YAGEO	2.2 Ω	±5%	0.125	0805	±200ppm/°C	-55~155°C	No	Yes	1
SR0805JR-072R2L	YAGEO	2.2 Ω	±5%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
SR0805JR-7W2R2L	YAGEO	2.2 Ω	±5%	0.25	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW08052R20FNEA	Vishay Dale	2.2 Ω	±1%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW08052R20JNEA	Vishay Dale	2.2 Ω	±5%	0.125	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
CRCW08052R20JNEAHP	Vishay Dale	2.2 Ω	±5%	0.5	0805	±200ppm/°C	-55~155°C	Yes	Yes	1
ESR10EZPJ2R2	Rohm Semiconductor	2.2 Ω	±5%	0.4	0805	±200ppm/°C	-55~155°C	Yes	Yes	1

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical & Mechanical Specifications):

AC0805JR-072R2L, SR0805JR-072R2L, and CRCW08052R20JNEA are direct substitutes for AA0805JR-072R2L. All three maintain 2.2 Ohm resistance, ±5% tolerance, 0.125W power rating, 0805 package, and AEC-Q200 automotive qualification. These parts are interchangeable in applications where the original specification is required.

Tolerance Upgrades (±1% Tolerance):

AC0805FR-072R2L and CRCW08052R20FNEA provide improved tolerance specification (±1%) while maintaining all other electrical and mechanical parameters. These upgrades are suitable for applications requiring tighter resistance tolerance without design modification.

Power Rating Upgrades:

SR0805JR-7W2R2L (0.25W) and CRCW08052R20JNEAHP (0.5W) and ESR10EZPJ2R2 (0.4W) provide higher power dissipation capability in the same 0805 package. These are suitable for applications where thermal margin or pulse withstanding capability is required.

Non-Automotive Alternatives:

RC0805FR-072R2L and RC0805JR-072R2L lack AEC-Q200 qualification and are suitable only for non-automotive applications. These parts maintain all other electrical and mechanical specifications.

Selection Basis:

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range. Selection should be based on application requirements for automotive qualification, tolerance specification, and power dissipation margin.

Frequently Asked Questions (FAQ)

Q: Can AC0805JR-072R2L replace AA0805JR-072R2L in automotive applications?

A: Yes. Both parts are AEC-Q200 qualified with identical 2.2 Ohm ±5% specifications, 0.125W power rating, and 0805 package. The AC series is a direct substitute.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance defines the acceptable resistance variation from the nominal 2.2 Ohm value. ±5% allows ±0.11 Ohm variation; ±1% allows ±0.022 Ohm variation. ±1% parts provide tighter resistance control for precision applications.

Q: Can I use CRCW08052R20JNEAHP (0.5W) instead of AA0805JR-072R2L (0.125W)?

A: Yes. Higher power rating parts are compatible substitutes. The 0.5W rating provides additional thermal margin and pulse withstanding capability while maintaining the same 2.2 Ohm resistance, ±5% tolerance, and 0805 package dimensions.

Q: Are RC0805JR-072R2L parts suitable for automotive use?

A: No. RC series parts lack AEC-Q200 automotive qualification. Use only in non-automotive applications. For automotive requirements, select AC, SR, CRCW, or ESR series parts with AEC-Q200 rating.

Q: What does MSL 1 (Unlimited) mean?

A: Moisture Sensitivity Level 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes maintain this specification.

Q: Can I substitute a Vishay Dale part for a YAGEO part?

A: Yes. CRCW08052R20JNEA (Vishay Dale) is a direct substitute for AA0805JR-072R2L (YAGEO). Both maintain identical electrical specifications, AEC-Q200 qualification, and 0805 package.

Q: What is the significance of the "JR" and "FR" designations in part numbers?

A: These designations indicate tolerance specification. "JR" indicates ±5% tolerance; "FR" indicates ±1% tolerance. Both are acceptable substitutes when tolerance requirements are met.

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