AF1206JR-072R2L Equivalent & Substitute Parts

Part Overview

The AF1206JR-072R2L is a 2.2 Ohm ±5% 0.25W (1/4W) chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for automotive and industrial applications requiring corrosion resistance. The part is active and in production with 877 units currently in stock.

Equivalent and substitute parts are identified when design requirements allow tolerance relaxation, power rating increases, or when alternative manufacturers provide identical electrical and mechanical specifications within the same package footprint.

Key Parameters

Parameter	Value
Resistance	2.2 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Electrical Parameters (Must Match or Exceed):

Resistance value: 2.2 Ohms (exact match required)
Tolerance: ±5% or tighter (±1% is acceptable as superior specification)
Power rating: 0.25W minimum (0.5W or 0.75W acceptable as higher rating)
Temperature coefficient: ±200ppm/°C or better
Operating temperature range: -55°C to 155°C minimum

Mechanical Parameters (Must Match):

Package: 1206 (3216 Metric) only
Number of terminations: 2
Composition: Thick Film

Compliance & Environmental (Must Match or Exceed):

RoHS3 Compliant (required)
MSL 1 (Unlimited) or equivalent
AEC-Q200 automotive rating (where specified in original part)

Substitute parts are grouped by tolerance class (±5% or ±1%) and power rating (0.25W, 0.5W, or 0.75W) to facilitate selection based on circuit requirements.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	AEC-Q200	Features	Inventory
AF1206JR-072R2L	YAGEO	2.2 Ω	±5%	0.25W	±200ppm/°C	Yes	Anti-Sulfur	877
AC1206FR-072R2L	YAGEO	2.2 Ω	±1%	0.25W	±200ppm/°C	Yes	Moisture Resistant	21587
AC1206JR-072R2L	YAGEO	2.2 Ω	±5%	0.25W	±200ppm/°C	Yes	Moisture Resistant	7855
RC1206FR-072R2L	YAGEO	2.2 Ω	±1%	0.25W	±200ppm/°C	No	Moisture Resistant	265130
RC1206JR-072R2L	YAGEO	2.2 Ω	±5%	0.25W	±200ppm/°C	No	Moisture Resistant	25200
SR1206FR-7W2R2L	YAGEO	2.2 Ω	±1%	0.5W	±200ppm/°C	Yes	Pulse Withstanding	884
SR1206JR-072R2L	YAGEO	2.2 Ω	±5%	0.25W	±200ppm/°C	Yes	Pulse Withstanding	10806
SR1206JR-7W2R2L	YAGEO	2.2 Ω	±5%	0.5W	±200ppm/°C	Yes	Pulse Withstanding	10545
CRCW12062R20JNEA	Vishay Dale	2.2 Ω	±5%	0.25W	±200ppm/°C	Yes	Standard	13608
CRCW12062R20JNEAHP	Vishay Dale	2.2 Ω	±5%	0.75W	±200ppm/°C	Yes	Pulse Withstanding	25010
ESR18EZPJ2R2	Rohm Semiconductor	2.2 Ω	±5%	0.5W	±200ppm/°C	Yes	Pulse Withstanding	20987

Engineering Selection Recommendations

Direct Equivalents (Same Specifications): AC1206JR-072R2L and SR1206JR-072R2L are direct functional equivalents to AF1206JR-072R2L, maintaining identical electrical parameters (2.2 Ω ±5%, 0.25W) and AEC-Q200 automotive qualification. Both are active products with higher inventory availability.

Tolerance-Improved Substitutes (±1% Tolerance): AC1206FR-072R2L and SR1206FR-7W2R2L provide tighter tolerance specifications (±1%) while maintaining all other electrical and compliance requirements. These are suitable when circuit design permits or requires improved accuracy. AC1206FR-072R2L maintains 0.25W power rating; SR1206FR-7W2R2L increases to 0.5W.

Power-Enhanced Substitutes (Higher Power Rating): SR1206JR-7W2R2L, CRCW12062R20JNEAHP, and ESR18EZPJ2R2 provide 0.5W power rating in the same 1206 package, enabling use in circuits with higher power dissipation requirements while maintaining 2.2 Ω ±5% specifications and AEC-Q200 qualification.

Cross-Manufacturer Substitute: CRCW12062R20JNEA (Vishay Dale) provides identical electrical specifications and AEC-Q200 rating as the original part. CRCW12062R20JNEAHP extends power rating to 0.75W with pulse withstanding capability.

Non-Automotive Alternatives: RC1206FR-072R2L and RC1206JR-072R2L are YAGEO moisture-resistant variants without AEC-Q200 automotive qualification. These are suitable only for non-automotive applications where automotive certification is not required. RC1206FR-072R2L offers ±1% tolerance; RC1206JR-072R2L maintains ±5% tolerance.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can I substitute AF1206JR-072R2L with AC1206JR-072R2L? A: Yes. Both parts are 2.2 Ω ±5% 0.25W 1206 resistors with AEC-Q200 automotive qualification. AC1206JR-072R2L is a direct functional equivalent with higher inventory availability (7855 units vs. 877 units).

Q: What is the difference between ±5% and ±1% tolerance parts? A: Tolerance specifies the maximum deviation from the nominal resistance value. ±1% tolerance (AC1206FR-072R2L, SR1206FR-7W2R2L) provides tighter accuracy than ±5% (AF1206JR-072R2L). Both are acceptable substitutes if circuit design permits the tighter specification.

Q: Can I use a 0.5W rated resistor in place of a 0.25W rated resistor? A: Yes. A higher power rating (0.5W or 0.75W) is acceptable as a substitute because it can safely dissipate the same or greater power. The 1206 package dimensions remain identical. Examples: SR1206JR-7W2R2L (0.5W), CRCW12062R20JNEAHP (0.75W).

Q: Is AEC-Q200 qualification required for my application? A: AEC-Q200 is mandatory for automotive applications. For non-automotive industrial or consumer applications, RC1206FR-072R2L and RC1206JR-072R2L are acceptable alternatives without automotive certification. All other listed substitutes maintain AEC-Q200 qualification.

Q: Can I use a cross-manufacturer part like CRCW12062R20JNEA (Vishay Dale)? A: Yes. CRCW12062R20JNEA provides identical electrical specifications (2.2 Ω ±5%, 0.25W), AEC-Q200 qualification, and 1206 package compatibility. Cross-manufacturer substitution is valid when all electrical and compliance parameters match.

Q: What does "Pulse Withstanding" mean? A: Pulse withstanding capability indicates the resistor can handle transient overvoltage or overcurrent pulses without degradation. Parts with this feature (SR series, CRCW-HP, ESR series) are suitable for circuits with switching transients or surge conditions.

Q: Are all listed parts in the same 1206 package? A: Yes. All substitute parts use the 1206 (3216 Metric) package with identical footprint (0.122" L × 0.063" W, 3.10mm × 1.60mm). Physical dimensions are compatible for PCB assembly without layout modifications.

Q: What is MSL 1 (Unlimited) moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts meet this specification, eliminating moisture-related reliability concerns.

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