Equivalent & Substitute Parts for AF1206JR-071RL

Part Overview

The AF1206JR-071RL is a 1 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This part is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently in active production status with 764 units in stock.

Substitute parts are necessary when the original part becomes unavailable, when design requirements demand tighter tolerance specifications, when enhanced environmental protection is needed, or when higher power ratings are required for circuit optimization.

Key Parameters

Parameter	Value
Resistance	1 Ohm
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 for the AF1206JR-071RL is determined by the following criteria:

Primary Compatibility Parameters:

Resistance value: 1 Ohm (exact match required)
Package type: 1206 (3216 Metric) (exact match required)
Operating temperature range: -55°C to 155°C (minimum requirement)
Composition: Thick Film (exact match required)
Temperature coefficient: ±200ppm/°C (exact match required)

Secondary Compatibility Parameters:

Tolerance: ±5% or tighter (±1% acceptable as upgrade)
Power rating: 0.25W minimum (higher ratings acceptable)
Automotive rating: AEC-Q200 preferred for equivalent functionality
RoHS compliance: ROHS3 required
MSL rating: MSL 1 acceptable

Substitute parts are grouped into three categories:

Category 1 - Direct Equivalents (Same Tolerance, Same Power): Parts with ±5% tolerance and 0.25W power rating that maintain identical electrical and mechanical specifications.

Category 2 - Upgraded Tolerance (Tighter Tolerance, Same Power): Parts with ±1% tolerance and 0.25W power rating, providing improved accuracy while maintaining the same power dissipation capability.

Category 3 - Enhanced Power Rating (Same or Tighter Tolerance, Higher Power): Parts with equal or tighter tolerance and power ratings of 0.5W or higher, suitable for applications requiring increased thermal headroom.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	AEC-Q200	Features	Packaging Type
AF1206JR-071RL	YAGEO	1 Ω	±5%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Anti-Sulfur	Tape & Reel
AF1206FR-071RL	YAGEO	1 Ω	±1%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Anti-Sulfur	Tape & Reel
AC1206FR-071RL	YAGEO	1 Ω	±1%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Moisture Resistant	Cut Tape & Digi-Reel
AC1206JR-071RL	YAGEO	1 Ω	±5%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Moisture Resistant	Tape & Reel
RC1206FR-071RL	YAGEO	1 Ω	±1%	0.25	1206	±200ppm/°C	-55 to 155°C	No	Moisture Resistant	Cut Tape & Digi-Reel
RC1206JR-071RL	YAGEO	1 Ω	±5%	0.25	1206	±200ppm/°C	-55 to 155°C	No	Moisture Resistant	Tape & Reel
SR1206JR-071RL	YAGEO	1 Ω	±5%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Pulse Withstanding	Tape & Reel
SR1206JR-7W1RL	YAGEO	1 Ω	±5%	0.5	1206	±200ppm/°C	-55 to 155°C	Yes	Pulse Withstanding	Tape & Reel
CRCW12061R00FNEA	Vishay Dale	1 Ω	±1%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Automotive AEC-Q200	Cut Tape & Digi-Reel
CRCW12061R00JNEA	Vishay Dale	1 Ω	±5%	0.25	1206	±200ppm/°C	-55 to 155°C	Yes	Automotive AEC-Q200	Tape & Reel
CRCW12061R00JNEAHP	Vishay Dale	1 Ω	±5%	0.75	1206	±200ppm/°C	-55 to 155°C	Yes	Pulse Withstanding	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Performance): AC1206JR-071RL and RC1206JR-071RL are direct functional equivalents with identical resistance, tolerance, power rating, and temperature specifications. Both maintain the 1206 package and -55°C to 155°C operating range. AC1206JR-071RL carries AEC-Q200 automotive rating and moisture-resistant construction. RC1206JR-071RL provides moisture resistance without automotive certification. Both are in active production status.

For Improved Tolerance Specification: AF1206FR-071RL, AC1206FR-071RL, RC1206FR-071RL, and CRCW12061R00FNEA provide ±1% tolerance while maintaining 0.25W power rating and 1206 package. These parts are suitable when circuit design requires tighter resistance accuracy. AF1206FR-071RL and AC1206FR-071RL retain YAGEO manufacturing with anti-sulfur or moisture-resistant features respectively. CRCW12061R00FNEA is a Vishay Dale alternative with AEC-Q200 rating.

For Enhanced Power Dissipation: SR1206JR-7W1RL and CRCW12061R00JNEAHP offer 0.5W and 0.75W power ratings respectively while maintaining 1 Ohm resistance and ±5% tolerance. These parts are applicable when thermal analysis indicates higher power dissipation capability is required. Both carry AEC-Q200 automotive rating and pulse-withstanding features.

For Cross-Manufacturer Sourcing: CRCW12061R00JNEA and CRCW12061R00FNEA from Vishay Dale provide alternative sourcing with identical electrical specifications to YAGEO equivalents. Both maintain AEC-Q200 compliance and are in active production with substantial inventory availability.

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

Frequently Asked Questions (FAQ)

Q: Can AF1206FR-071RL replace AF1206JR-071RL in any application? A: AF1206FR-071RL is electrically compatible as a direct substitute. The primary difference is tolerance: AF1206FR-071RL provides ±1% tolerance versus ±5% in the original part. This represents an upgrade in accuracy. Both parts share identical power rating (0.25W), package (1206), temperature coefficient (±200ppm/°C), and operating range (-55°C to 155°C). Substitution is valid for all applications where the original part is specified.

Q: What is the difference between YAGEO AF, AC, RC, and SR series? A: These represent different YAGEO product lines with varying feature sets. AF series includes anti-sulfur construction. AC series features moisture-resistant construction. RC series provides moisture resistance without automotive certification. SR series includes pulse-withstanding capability for transient protection. All maintain identical core electrical parameters (1 Ohm, ±200ppm/°C, -55°C to 155°C range) when comparing same tolerance and power ratings.

Q: Can I use SR1206JR-7W1RL (0.5W) instead of AF1206JR-071RL (0.25W)? A: Yes. SR1206JR-7W1RL is a valid substitute with higher power rating. Both parts maintain 1 Ohm resistance, ±5% tolerance, 1206 package, and -55°C to 155°C operating range. The 0.5W rating provides additional thermal margin and is backward compatible with 0.25W applications. This substitution is suitable when circuit design benefits from increased power dissipation capability or when thermal analysis indicates higher headroom is advantageous.

Q: Are YAGEO and Vishay Dale parts interchangeable? A: Yes, within specified parameters. CRCW12061R00JNEA (Vishay Dale) matches AF1206JR-071RL (YAGEO) in resistance (1 Ohm), tolerance (±5%), power (0.25W), package (1206), and temperature specifications. Both carry AEC-Q200 automotive rating. Mechanical dimensions show minor variation (Vishay: 0.126" L x 0.063" W vs YAGEO: 0.122" L x 0.063" W), which does not affect PCB footprint compatibility for standard 1206 designs. Both are in active production.

Q: What does AEC-Q200 certification mean for substitution? A: AEC-Q200 is an automotive qualification standard for passive components. Parts carrying this rating have undergone specific reliability and environmental testing for automotive applications. When substituting AF1206JR-071RL (AEC-Q200 rated), maintaining AEC-Q200 certification in the substitute part ensures equivalent automotive-grade reliability. RC1206JR-071RL lacks AEC-Q200 rating and should not be used in applications where automotive qualification is a design requirement.

Q: Does packaging type (Tape & Reel vs Cut Tape) affect electrical performance? A: No. Packaging type affects only handling, storage, and assembly logistics. Tape & Reel (TR) and Cut Tape & Digi-Reel (CT) packaging contain identical components with identical electrical specifications. Selection between packaging types depends on manufacturing equipment compatibility and supply chain requirements, not electrical performance.

Q: Can I substitute a ±1% tolerance part for a ±5% tolerance part? A: Yes. A ±1% tolerance part is a direct upgrade and is fully compatible in any application specifying ±5% tolerance. The tighter tolerance provides improved accuracy at no performance cost. This substitution is valid for all circuit designs.

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