AF1206JR-073RL Equivalent & Substitute Parts

Part Overview

The AF1206JR-073RL is a 3 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 726 units in stock. Substitute parts are identified to provide design flexibility, inventory alternatives, and compatibility options across equivalent electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	3 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
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant
AEC-Q200 Rating	Yes

Substitute Part Grouping Explanation

Substitution eligibility for the AF1206JR-073RL is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 3 Ohms
Power rating: 0.25W (1/4W)
Package type: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±200ppm/°C
Operating temperature range: -55°C to 155°C
Moisture Sensitivity Level: MSL 1
RoHS compliance: ROHS3

Allowable Variation:

Tolerance: ±5% (main part) to ±1% (substitute parts) — tighter tolerance is acceptable
Features: Anti-sulfur and AEC-Q200 features may vary between substitutes; however, all identified substitutes maintain AEC-Q200 automotive qualification or equivalent moisture resistance

All four substitute parts meet these criteria and are electrically and mechanically interchangeable with the AF1206JR-073RL.

Parameter Comparison

Parameter	AF1206JR-073RL	AC1206FR-073RL	RC1206FR-073RL	RC1206JR-073RL	CRCW12063R00JNEA
Manufacturer	YAGEO	YAGEO	YAGEO	YAGEO	Vishay Dale
Resistance	3 Ohms	3 Ohms	3 Ohms	3 Ohms	3 Ohms
Tolerance	±5%	±1%	±1%	±5%	±5%
Power Rating	0.25W	0.25W	0.25W	0.25W	0.25W
Package	1206	1206	1206	1206	1206
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C	±200ppm/°C
Operating Temperature	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C	-55°C to 155°C
MSL Rating	MSL 1	MSL 1	MSL 1	MSL 1	MSL 1
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
AEC-Q200	Yes	Yes	No	No	Yes
Inventory (Pcs)	726	4306	53645	46266	4367

Engineering Selection Recommendations

AC1206FR-073RL (YAGEO): This part is manufacturer-recommended and offers tighter tolerance (±1%) with AEC-Q200 automotive qualification and moisture-resistant features. It is suitable for applications requiring higher precision while maintaining automotive compliance.

RC1206FR-073RL (YAGEO): This part provides the highest inventory availability (53,645 units) with ±1% tolerance and moisture-resistant composition. It lacks explicit AEC-Q200 rating but maintains all electrical and thermal specifications. Suitable for non-automotive applications or where tighter tolerance is beneficial.

RC1206JR-073RL (YAGEO): This part matches the tolerance specification (±5%) of the main part with moisture-resistant features and substantial inventory (46,266 units). It is a direct functional equivalent without AEC-Q200 rating.

CRCW12063R00JNEA (Vishay Dale): This part maintains AEC-Q200 automotive qualification with ±5% tolerance matching the main part. It is suitable for automotive applications requiring cross-manufacturer sourcing. Physical dimensions show minor variation (0.126" L vs. 0.122" L; 0.024" H vs. 0.026" H max), which remains within standard PCB footprint tolerances for 1206 packages.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-073RL or RC1206JR-073RL be used in automotive applications requiring AEC-Q200?

A: RC1206FR-073RL and RC1206JR-073RL do not carry explicit AEC-Q200 certification. For automotive applications with AEC-Q200 requirements, use AC1206FR-073RL or CRCW12063R00JNEA.

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

A: The main part AF1206JR-073RL has ±5% tolerance. Substitute parts AC1206FR-073RL and RC1206FR-073RL offer ±1% tolerance, which is tighter and provides better resistance accuracy. Both are electrically compatible; the tighter tolerance is an improvement for precision-critical circuits.

Q: Are there physical dimension differences between substitutes?

A: CRCW12063R00JNEA (Vishay Dale) has slightly different dimensions: 0.126" L × 0.063" W (3.20mm × 1.60mm) versus 0.122" L × 0.063" W (3.10mm × 1.60mm) for YAGEO parts, and 0.024" max height versus 0.026" max height. These variations are within standard 1206 package tolerances and do not affect PCB footprint compatibility.

Q: Which substitute offers the best inventory availability?

A: RC1206FR-073RL has the highest inventory with 53,645 units in stock, followed by RC1206JR-073RL with 46,266 units.

Q: Can I substitute a ±1% tolerance part for a ±5% tolerance requirement?

A: Yes. A ±1% tolerance part is a direct substitute for a ±5% tolerance requirement, as it provides superior accuracy within a tighter specification band.

Q: Are all substitutes REACH compliant?

A: Yes. All substitute parts listed are REACH Unaffected, matching the compliance status of the main part AF1206JR-073RL.

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