AC1206FR-0723K7L Equivalent & Substitute Parts

Part Overview

The AC1206FR-0723K7L is a 23.7 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This component is rated for automotive applications under AEC-Q200 standard with moisture-resistant construction. The part is currently active in production with 799 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when design requirements mandate alternative manufacturers for supply chain resilience, or when specific feature sets (such as AEC-Q200 automotive qualification) are required from alternative sources.

Key Parameters

Parameter	Value
Resistance	23.7 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the AC1206FR-0723K7L is determined by strict equivalence across the following parameters:

Resistance value: 23.7 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W (exact match required)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)
Moisture sensitivity: MSL 1 (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)

All substitute parts listed below meet these criteria. Dimensional variations within supplier tolerances do not affect functional equivalence.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory (Pcs)
AC1206FR-0723K7L	YAGEO	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	799
RC1206FR-0723K7L	YAGEO	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	No	Active	14004
RK73H2BTTD2372F	KOA Speer Electronics, Inc.	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	7496
CR1206-FX-2372ELF	Bourns Inc.	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	No	Active	20323
CRCW120623K7FKEA	Vishay Dale	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Active	15522
ERJ-8ENF2372V	Panasonic Electronic Components	23.7 kΩ	±1%	0.25	1206	±100ppm/°C	-55°C ~ 155°C	Yes	Not For New Designs	51457

Engineering Selection Recommendations

Primary Substitutes (Active Status, Full Compliance):

RC1206FR-0723K7L (YAGEO) is the direct equivalent from the same manufacturer with highest inventory availability (14004 units). This part maintains all electrical and mechanical specifications with identical composition and temperature characteristics.

For automotive applications requiring AEC-Q200 qualification, three alternatives are available:

RK73H2BTTD2372F (KOA Speer Electronics) - Active status, AEC-Q200 rated, 7496 units available
CRCW120623K7FKEA (Vishay Dale) - Active status, AEC-Q200 rated, 15522 units available
CR1206-FX-2372ELF (Bourns Inc.) - Active status, 20323 units available

Legacy Consideration:

ERJ-8ENF2372V (Panasonic Electronic Components) carries "Not For New Designs" status despite AEC-Q200 qualification and high inventory (51457 units). This designation indicates the manufacturer is discontinuing the product line. Use only when existing designs require continuity or when new design adoption is not feasible.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1206FR-0723K7L for AC1206FR-0723K7L in automotive applications?

A: RC1206FR-0723K7L is electrically and mechanically equivalent but does not carry AEC-Q200 automotive qualification. Use only in non-automotive applications or where automotive qualification is not a design requirement.

Q: What is the difference between the substitute parts listed?

A: All substitute parts meet the core electrical specifications (23.7 kΩ, ±1%, 0.25W, 1206 package). The primary differences are manufacturer identity and AEC-Q200 automotive qualification status. RK73H2BTTD2372F, CRCW120623K7FKEA, and ERJ-8ENF2372V carry AEC-Q200 rating; RC1206FR-0723K7L and CR1206-FX-2372ELF do not.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within supplier tolerances. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations do not affect PCB layout compatibility for standard 1206 footprints.

Q: Should I use ERJ-8ENF2372V despite its "Not For New Designs" status?

A: No, unless your design is already in production and requires continuity. For new designs, select from parts with Active status: RC1206FR-0723K7L, RK73H2BTTD2372F, CR1206-FX-2372ELF, or CRCW120623K7FKEA.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed parts, including the main part AC1206FR-0723K7L, are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

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