AF1210JR-071ML Equivalent & Substitute Parts

Part Overview

The AF1210JR-071ML is a 1 MOhm ±5% 0.5W chip resistor in 1210 (3225 Metric) package manufactured by YAGEO. This thick film resistor 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 798 pieces in stock.

Substitute parts are necessary when the original part becomes unavailable, when design requirements shift toward higher tolerance specifications, or when alternative qualified sources are required for supply chain resilience.

Substiute Parts

AF1210JR-071ML

YAGEOIn Stock: 865AF1210JR-071ML Datasheet

Current PartRFQ

RC1210FR-071ML

YAGEOIn Stock: 14352RC1210FR-071ML Datasheet

MFR RecommendedRFQ

RC1210JR-071ML

YAGEOIn Stock: 8624RC1210JR-071ML Datasheet

MFR RecommendedRFQ

CRCW12101M00FKEA

Vishay DaleIn Stock: 18337CRCW12101M00FKEA Datasheet

MFR RecommendedRFQ

ERJ-14NF1004U

Panasonic Electronic ComponentsIn Stock: 16839ERJ-14NF1004U Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AF1210JR-071ML is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1 MOhm
• Power rating: 0.5W (1/2W)
• Package: 1210 (3225 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C to 155°C
• Temperature coefficient: ±100ppm/°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

Allowable Variation:

• Tolerance: ±5% (original) to ±1% (substitute) — tighter tolerance is acceptable and backward compatible
• Features: Anti-sulfur and automotive AEC-Q200 features may vary between substitutes while maintaining core electrical performance

All four substitute parts meet these criteria and are electrically and mechanically interchangeable with the AF1210JR-071ML in standard PCB assembly processes.

Parameter Comparison

Engineering Selection Recommendations

For Active Production Designs: RC1210FR-071ML, RC1210JR-071ML, and CRCW12101M00FKEA are all suitable substitutes. RC1210FR-071ML and CRCW12101M00FKEA offer tighter ±1% tolerance specifications, which may be advantageous in precision applications. RC1210JR-071ML maintains the ±5% tolerance matching the original part.

For Automotive AEC-Q200 Applications: Both CRCW12101M00FKEA (Vishay Dale) and ERJ-14NF1004U (Panasonic) carry explicit AEC-Q200 automotive qualification. The AF1210JR-071ML also includes AEC-Q200 certification. ERJ-14NF1004U is marked "Not For New Designs" and should be used only for legacy system support or maintenance applications.

For Supply Chain Continuity: CRCW12101M00FKEA offers the highest inventory availability (18265 pieces) and represents a qualified alternative source from Vishay Dale. RC1210FR-071ML and RC1210JR-071ML provide YAGEO-based alternatives with substantial stock levels.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-071ML replace AF1210JR-071ML in my design? A: Yes. Both parts share identical resistance (1 MOhm), power rating (0.5W), package (1210), operating temperature range (-55°C to 155°C), and temperature coefficient (±100ppm/°C). RC1210FR-071ML offers tighter ±1% tolerance compared to the ±5% of AF1210JR-071ML, making it electrically compatible and functionally superior in tolerance-critical applications.

Q: What is the difference between RC1210JR-071ML and RC1210FR-071ML? A: Both are YAGEO 1 MOhm 0.5W 1210 resistors with identical electrical and thermal specifications. The primary difference is tolerance: RC1210JR-071ML maintains ±5% tolerance (matching the original AF1210JR-071ML), while RC1210FR-071ML provides ±1% tolerance. RC1210FR-071ML also features moisture-resistant coating versus the anti-sulfur coating of the original part.

Q: Is CRCW12101M00FKEA suitable for automotive applications? A: Yes. CRCW12101M00FKEA is AEC-Q200 qualified and rated for automotive use across the -55°C to 155°C temperature range. It is manufactured by Vishay Dale and provides an alternative qualified source for automotive designs.

Q: Why is ERJ-14NF1004U marked "Not For New Designs"? A: ERJ-14NF1004U is a legacy part from Panasonic Electronic Components. While it remains electrically and mechanically compatible with AF1210JR-071ML and carries AEC-Q200 qualification, its "Not For New Designs" status indicates that Panasonic recommends using current-generation alternatives for new product development. This part is suitable for maintenance and legacy system support only.

Q: Are all substitutes ROHS3 compliant? A: Yes. All substitute parts listed (RC1210FR-071ML, RC1210JR-071ML, CRCW12101M00FKEA, and ERJ-14NF1004U) are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, matching the environmental compliance profile of AF1210JR-071ML.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance part? A: Yes. Tighter tolerance specifications are backward compatible. A ±1% resistor will perform within the ±5% tolerance window and provide superior accuracy. This substitution is appropriate when design margins allow or when improved tolerance is beneficial.