AF1206JR-0720RL Equivalent & Substitute Parts

Part Overview

The AF1206JR-0720RL is a 20 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 1050 pieces in stock.

Substitute parts may be required due to inventory constraints, design optimization for tighter tolerances, enhanced power ratings, or specific feature requirements such as moisture resistance or pulse withstanding capability.

Key Parameters

Parameter	Value
Resistance	20 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 20 Ohms (exact match required)
Package / Case: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Secondary Variation Parameters (allowable differences):

Tolerance: ±5% (main part) can be substituted with ±1% (tighter tolerance acceptable)
Power Rating: 0.25W (main part) can be substituted with 0.5W or 0.75W (higher power rating acceptable)
Features: Anti-Sulfur, Automotive AEC-Q200 (main part) can be substituted with Moisture Resistant, Automotive AEC-Q200, or Pulse Withstanding variants
Manufacturer: YAGEO (main part) can be substituted with Bourns Inc., Vishay Dale, Panasonic Electronic Components, or Rohm Semiconductor

All substitute parts listed maintain compatibility with the primary matching parameters while offering variations in tolerance, power rating, and feature sets.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	AEC-Q200	RoHS Status
AF1206JR-0720RL	YAGEO	20Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, AEC-Q200	Yes	ROHS3
AC1206FR-0720RL	YAGEO	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant, AEC-Q200	Yes	ROHS3
AC1206JR-0720RL	YAGEO	20Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant, AEC-Q200	Yes	ROHS3
RC1206FR-0720RL	YAGEO	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	No	ROHS3
RC1206JR-0720RL	YAGEO	20Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	No	ROHS3
CR1206-FX-20R0ELF	Bourns Inc.	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	No	ROHS3
CRCW120620R0FKEA	Vishay Dale	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Yes	ROHS3
CRCW120620R0FKEAHP	Vishay Dale	20Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	AEC-Q200, Pulse Withstanding	Yes	ROHS3
CRCW120620R0FKTA	Vishay Dale	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Yes	RoHS non-compliant
ERJ-8ENF20R0V	Panasonic Electronic Components	20Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	AEC-Q200	Yes	ROHS3
ESR18EZPF20R0	Rohm Semiconductor	20Ω	±1%	0.5	1206	±100ppm/°C	-55~155°C	AEC-Q200, Pulse Withstanding	Yes	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Same Specifications): AC1206JR-0720RL is the closest equivalent, offering identical resistance, tolerance, and power rating with added moisture resistance and maintained AEC-Q200 automotive qualification. Both parts are ROHS3 compliant and active in production.

For Improved Tolerance Requirements: AC1206FR-0720RL, CRCW120620R0FKEA, CRCW120620R0FKTA, ERJ-8ENF20R0V, and ESR18EZPF20R0 provide ±1% tolerance while maintaining all other primary parameters. These parts are suitable when circuit design requires tighter resistance tolerance.

For Enhanced Power Dissipation: CRCW120620R0FKEAHP and ESR18EZPF20R0 offer increased power ratings (0.75W and 0.5W respectively) while maintaining the 20 Ohm resistance and ±1% tolerance. These are applicable in designs requiring higher power handling capability.

For Automotive Applications: AC1206FR-0720RL, AC1206JR-0720RL, CRCW120620R0FKEA, CRCW120620R0FKEAHP, CRCW120620R0FKTA, ERJ-8ENF20R0V, and ESR18EZPF20R0 all carry AEC-Q200 automotive qualification. CRCW120620R0FKTA is RoHS non-compliant and REACH affected; verify regulatory compliance requirements before selection.

For Non-Automotive Applications: RC1206FR-0720RL, RC1206JR-0720RL, and CR1206-FX-20R0ELF do not carry AEC-Q200 qualification but maintain ROHS3 compliance and moisture resistance. These are suitable for general industrial and consumer applications.

Product Status Consideration: ERJ-8ENF20R0V is marked "Not For New Designs" and should be avoided in new product development despite high inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute AF1206JR-0720RL with a part having ±1% tolerance? A: Yes. Tighter tolerance (±1%) is an acceptable substitution for ±5% tolerance. Parts such as AC1206FR-0720RL, CRCW120620R0FKEA, and ERJ-8ENF20R0V provide this improvement while maintaining all other primary parameters.

Q: Are all substitute parts in the same 1206 package? A: Yes. All listed substitute parts use the 1206 (3216 Metric) package. Physical dimensions vary slightly between manufacturers (length 0.122" to 0.126", height 0.024" to 0.030"), but all are compatible with standard 1206 footprints.

Q: Which substitute parts maintain AEC-Q200 automotive qualification? A: AC1206FR-0720RL, AC1206JR-0720RL, CRCW120620R0FKEA, CRCW120620R0FKEAHP, CRCW120620R0FKTA, ERJ-8ENF20R0V, and ESR18EZPF20R0 all carry AEC-Q200 qualification. Select these for automotive applications.

Q: What is the difference between moisture resistant and anti-sulfur features? A: Both features provide environmental protection. Anti-sulfur coating (AF1206JR-0720RL) protects against sulfur contamination. Moisture resistant variants (AC and RC series) provide protection against moisture ingress. Both are suitable for harsh environments; selection depends on specific environmental exposure.

Q: Can I use a higher power rating substitute? A: Yes. CRCW120620R0FKEAHP (0.75W) and ESR18EZPF20R0 (0.5W) provide higher power dissipation capability than the original 0.25W part. These are suitable for designs requiring increased power handling without changing resistance or tolerance specifications.

Q: Why is ERJ-8ENF20R0V marked "Not For New Designs"? A: This designation indicates the part is in mature production phase and may be discontinued. While currently available in high inventory (189,655 pieces), it should not be selected for new product development. Use active status parts such as AC1206JR-0720RL or CRCW120620R0FKEA instead.

Q: Is CRCW120620R0FKTA suitable for my application? A: CRCW120620R0FKTA is RoHS non-compliant and REACH affected, unlike the original AF1206JR-0720RL which is ROHS3 compliant. Verify your regulatory requirements before selection. For compliant applications, use CRCW120620R0FKEA instead.

Q: What inventory levels should I consider? A: Inventory availability ranges from 5,100 pieces (RC1206FR-0720RL) to 189,655 pieces (ERJ-8ENF20R0V). For long-term supply security, RC1206JR-0720RL (150,100 pieces) and CRCW120620R0FKTA (48,934 pieces) offer strong availability. Verify current stock with your supplier before design finalization.

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