AC1206FR-0724RL 24 Ohm 1% 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The AC1206FR-0724RL is a 24 Ohm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This automotive-grade component features AEC-Q200 qualification and moisture resistance, designed for high-reliability applications in automotive and industrial environments. The part is currently active in production with 927 pieces in stock.

Substitute parts are necessary when the primary part becomes unavailable, when supply chain optimization is required, or when design flexibility across qualified manufacturers is needed while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	24 Ohms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the AC1206FR-0724RL is determined by strict equivalence across the following parameters:

Resistance value: 24 Ohms
Tolerance: ±1%
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Compliance: ROHS3, REACH Unaffected, EAR99

All substitute parts listed maintain these core electrical and mechanical specifications. Variations in physical dimensions (length, width, height) within the 1206 package envelope, packaging format (Tape & Reel vs. Cut Tape), and product status are noted but do not affect functional interchangeability in circuit applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Packaging
AC1206FR-0724RL	YAGEO	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	Tape & Reel
RC1206FR-0724RL	YAGEO	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	No	Active	Tape & Reel
RK73H2BTTD24R0F	KOA Speer Electronics	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	Tape & Reel
CR1206-FX-24R0ELF	Bourns Inc.	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	No	Active	Tape & Reel
CRCW120624R0FKEA	Vishay Dale	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	Cut Tape & Digi-Reel
CRCW120624R0FKEAHP	Vishay Dale	24 Ω	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	Tape & Reel
ERJ-8ENF24R0V	Panasonic Electronic Components	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	Tape & Reel
RMCF1206FT24R0	Stackpole Electronics Inc	24 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	Tape & Reel

Engineering Selection Recommendations

For direct replacement in active designs, prioritize parts with Active product status and AEC-Q200 qualification: RK73H2BTTD24R0F (KOA Speer), CRCW120624R0FKEA (Vishay Dale), and RMCF1206FT24R0 (Stackpole Electronics). These maintain full automotive compliance and current manufacturing support.

RC1206FR-0724RL (YAGEO) and CR1206-FX-24R0ELF (Bourns) are functionally equivalent but lack AEC-Q200 certification; use only in non-automotive applications or where automotive qualification is not required.

CRCW120624R0FKEAHP differs in power rating (0.75W vs. 0.25W) and is suitable only for applications requiring higher pulse withstanding capability. This part is not a direct substitute for standard 0.25W designs.

ERJ-8ENF24R0V carries "Not For New Designs" status and should be used only for legacy system maintenance or repair applications where existing inventory must be maintained.

Frequently Asked Questions (FAQ)

Q: Can I substitute CRCW120624R0FKEAHP for the AC1206FR-0724RL in my design?

A: CRCW120624R0FKEAHP has a higher power rating (0.75W vs. 0.25W) and different pulse withstanding characteristics. While electrically compatible for resistance value and tolerance, it is not a direct substitute. Use only if your circuit design specifically requires the enhanced power handling capability.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both packaging formats contain identical components. Tape & Reel is continuous reel format suitable for high-volume automated assembly. Cut Tape & Digi-Reel is pre-cut tape format suitable for lower-volume or mixed-component pick-and-place operations. Component performance is identical.

Q: Why is ERJ-8ENF24R0V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. It remains available for existing production and repair applications but should not be selected for new circuit designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance profile of the AC1206FR-0724RL.

Q: Which substitute offers the best automotive reliability?

A: RK73H2BTTD24R0F, CRCW120624R0FKEA, ERJ-8ENF24R0V, and RMCF1206FT24R0 all carry AEC-Q200 qualification. Selection should be based on availability, supply chain preference, and packaging requirements rather than reliability differences, as all meet identical automotive standards.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All listed substitutes meet identical electrical specifications, tolerance, package dimensions, and compliance requirements. Mixed-manufacturer sourcing is acceptable from an engineering standpoint; verify with your procurement and quality processes for any internal requirements.

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