AC1210JR-071ML Equivalent & Substitute Parts

Part Overview

The AC1210JR-071ML is a 1 MOhm ±5% 0.5W thick film chip resistor in 1210 (3225 Metric) package manufactured by YAGEO. This automotive-grade component features AEC-Q200 qualification and moisture resistance, making it suitable for demanding automotive and industrial applications operating across -55°C to 155°C. Alternative parts may be required due to inventory constraints, design upgrades for tighter tolerance specifications, or manufacturer availability changes.

Key Parameters

Parameter	Value
Resistance	1 MOhm
Tolerance	±5%
Power Rating	0.5W (1/2W)
Package	1210 (3225 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: resistance value (1 MOhm), power rating (0.5W), package type (1210), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (AEC-Q200, RoHS3, MSL 1).

Tolerance variations (±5% vs ±1%) represent design upgrades rather than direct equivalents. Parts with ±1% tolerance can substitute for ±5% applications where tighter accuracy is beneficial. Dimensional variations within the 1210 package envelope (height differences of 0.024" to 0.028") remain within acceptable PCB assembly tolerances.

All substitute parts maintain identical electrical performance, automotive qualification, and environmental compliance as the primary part.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	Height (Max)	Product Status
AC1210JR-071ML	YAGEO	1 MOhm	±5%	0.5W	1210	±100ppm/°C	-55°C to 155°C	Yes	0.024"	Active
RC1210JR-071ML	YAGEO	1 MOhm	±5%	0.5W	1210	±100ppm/°C	-55°C to 155°C	No	0.024"	Active
RC1210FR-071ML	YAGEO	1 MOhm	±1%	0.5W	1210	±100ppm/°C	-55°C to 155°C	No	0.024"	Active
CRGCQ1210J1M0	TE Connectivity	1 MOhm	±5%	0.5W	1210	±100ppm/°C	-55°C to 155°C	Yes	0.026"	Active
CRCW12101M00FKEA	Vishay Dale	1 MOhm	±1%	0.5W	1210	±100ppm/°C	-55°C to 155°C	Yes	0.024"	Active
ERJ-14NF1004U	Panasonic	1 MOhm	±1%	0.5W	1210	±100ppm/°C	-55°C to 155°C	Yes	0.028"	Not For New Designs

Engineering Selection Recommendations

RC1210JR-071ML (YAGEO) provides direct electrical equivalence with identical ±5% tolerance and 1210 package dimensions. This part is suitable for direct replacement in active production designs.

RC1210FR-071ML (YAGEO) and CRCW12101M00FKEA (Vishay Dale) offer ±1% tolerance upgrades while maintaining all other specifications. These parts are recommended for applications requiring improved accuracy without design modification.

CRGCQ1210J1M0 (TE Connectivity) maintains AEC-Q200 automotive qualification and ±5% tolerance matching the primary part, with a maximum height of 0.026" remaining within standard PCB assembly clearances.

ERJ-14NF1004U (Panasonic) 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)

Can I use a ±1% tolerance part in place of a ±5% tolerance part?

Yes. Parts with ±1% tolerance (RC1210FR-071ML, CRCW12101M00FKEA, ERJ-14NF1004U) are direct substitutes for ±5% applications. The tighter tolerance provides improved accuracy without affecting circuit compatibility or performance.

Are all substitute parts automotive-qualified?

RC1210JR-071ML lacks AEC-Q200 qualification despite matching all other electrical parameters. For automotive applications requiring AEC-Q200 compliance, use CRGCQ1210J1M0, CRCW12101M00FKEA, or ERJ-14NF1004U.

Do dimensional variations affect PCB assembly?

All parts fit the 1210 package standard. Height variations (0.024" to 0.028") remain within typical PCB assembly tolerances and do not require design changes.

Why is ERJ-14NF1004U marked "Not For New Designs"?

This designation indicates the manufacturer has discontinued active development. The part remains available for existing applications but should not be selected for new product designs. Use CRCW12101M00FKEA or RC1210FR-071ML for new designs requiring ±1% tolerance.

What is the difference between RC1210JR-071ML and AC1210JR-071ML?

Both are YAGEO 1 MOhm ±5% 1210 resistors with identical electrical specifications. AC1210JR-071ML includes AEC-Q200 automotive qualification; RC1210JR-071ML does not. Selection depends on automotive compliance requirements.

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