AF1206JR-0730RL Equivalent & Substitute Parts

Part Overview

The AF1206JR-0730RL is a 30 Ohm ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This component 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 1051 units in stock.

Substitute parts are identified when electrical parameters (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical specifications (package type, dimensions, termination count) remain equivalent or superior. Alternative sources and improved tolerance grades are available from multiple manufacturers.

Key Parameters

Parameter	Value
Resistance	30 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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Electrical Equivalence: Resistance value (30 Ohms), power rating (0.25W minimum), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C) must be maintained or exceeded.

Mechanical Compatibility: Package type must be 1206 (3216 Metric) with two terminations. Physical dimensions and height must accommodate the same PCB footprint.

Environmental & Compliance: RoHS3 compliance and MSL 1 rating are maintained across all substitutes. AEC-Q200 automotive qualification is preserved in qualified alternatives.

Tolerance Grades: Parts with ±1% tolerance are acceptable substitutes for ±5% applications, as tighter tolerance represents superior performance. Parts with ±5% tolerance match the original specification.

Packaging Format: Substitutes are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats, both suitable for automated assembly.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Features	Temp Coeff	Op Temp (°C)	RoHS	Product Status
AF1206JR-0730RL	YAGEO	30 Ω	±5%	0.25	1206	Anti-Sulfur, AEC-Q200	±100ppm/°C	-55 ~ 155	ROHS3	Active
AC1206FR-0730RL	YAGEO	30 Ω	±1%	0.25	1206	Moisture Resistant, AEC-Q200	±100ppm/°C	-55 ~ 155	ROHS3	Active
AC1206JR-0730RL	YAGEO	30 Ω	±5%	0.25	1206	Moisture Resistant, AEC-Q200	±100ppm/°C	-55 ~ 155	ROHS3	Active
RC1206FR-0730RL	YAGEO	30 Ω	±1%	0.25	1206	Moisture Resistant	±100ppm/°C	-55 ~ 155	ROHS3	Active
RC1206JR-0730RL	YAGEO	30 Ω	±5%	0.25	1206	Moisture Resistant	±100ppm/°C	-55 ~ 155	ROHS3	Active
CR1206-FX-30R0ELF	Bourns Inc.	30 Ω	±1%	0.25	1206	Moisture Resistant	±100ppm/°C	-55 ~ 155	ROHS3	Active
CRCW120630R0FKEA	Vishay Dale	30 Ω	±1%	0.25	1206	AEC-Q200	±100ppm/°C	-55 ~ 155	ROHS3	Active
CRCW120630R0FKEAHP	Vishay Dale	30 Ω	±1%	0.75	1206	AEC-Q200, Pulse Withstanding	±100ppm/°C	-55 ~ 155	ROHS3	Active
ERJ-8ENF30R0V	Panasonic Electronic Components	30 Ω	±1%	0.25	1206	AEC-Q200	±100ppm/°C	-55 ~ 155	ROHS3	Not For New Designs

Engineering Selection Recommendations

Primary Substitutes (Active Production, Full Compatibility):

AC1206FR-0730RL and CRCW120630R0FKEA are direct substitutes with ±1% tolerance, maintaining all electrical and mechanical specifications while offering improved accuracy. Both carry AEC-Q200 automotive qualification and are in active production with substantial inventory availability.

Same-Tolerance Alternatives (Active Production):

AC1206JR-0730RL and RC1206JR-0730RL match the original ±5% tolerance specification and are available from YAGEO in active production status. These are suitable for applications where tolerance grade is not a limiting factor.

Enhanced Power Rating Option:

CRCW120630R0FKEAHP provides 0.75W power rating in the same 1206 package, offering thermal margin for demanding applications. This part is qualified to AEC-Q200 and actively produced.

Cross-Manufacturer Options:

CR1206-FX-30R0ELF (Bourns) and RC1206FR-0730RL (YAGEO) provide ±1% tolerance alternatives from established manufacturers with active production status.

Obsolescence Consideration:

ERJ-8ENF30R0V from Panasonic is marked "Not For New Designs" and should be avoided for new product development, despite meeting electrical and mechanical specifications.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-0730RL replace AF1206JR-0730RL in my design?

A: Yes. Both parts share identical resistance (30 Ohms), power rating (0.25W), package (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). AC1206FR-0730RL offers ±1% tolerance versus the original ±5%, representing improved accuracy. Both carry AEC-Q200 qualification.

Q: What is the difference between YAGEO AF, AC, and RC series?

A: AF series features anti-sulfur coating. AC series adds moisture resistance and AEC-Q200 automotive qualification. RC series provides moisture resistance without automotive qualification. All three series maintain identical electrical parameters for the 30 Ohm 1206 package.

Q: Is CRCW120630R0FKEAHP a suitable substitute despite higher power rating?

A: Yes, for applications requiring the same 30 Ohm resistance and 1206 package. The 0.75W rating (versus 0.25W original) provides additional thermal capability and is backward compatible. This part is qualified to AEC-Q200 and actively produced.

Q: Why is ERJ-8ENF30R0V marked "Not For New Designs"?

A: This designation indicates the part is in mature/declining production phase. While electrically and mechanically equivalent, Panasonic recommends alternative sources for new product development. Existing inventory may be available but future supply is not guaranteed.

Q: Can I use ±1% tolerance parts in place of ±5% specification?

A: Yes. Tighter tolerance represents superior performance and is acceptable in applications designed for ±5% tolerance. The component will perform within the original specification window with improved accuracy.

Q: Are all substitutes available in the same packaging format?

A: Substitutes are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Verify packaging format compatibility with your assembly process. Both formats are suitable for automated SMD placement.

Q: Do all substitutes maintain RoHS3 compliance?

A: Yes. All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance profile.

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