AF1206FR-07510KL Equivalent & Substitute Parts

Part Overview

The AF1206FR-07510KL is a 510 kOhms ±1% 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 878 units in stock.

Substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits equivalent alternatives from qualified manufacturers. All substitute parts listed maintain identical electrical specifications and package compatibility while meeting the same automotive and environmental compliance standards.

Key Parameters

Parameter	Value
Resistance	510 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AF1206FR-07510KL is determined by strict equivalence across the following parameters:

Resistance value: 510 kOhms
Tolerance: ±1%
Power rating: 0.25W
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
RoHS3 compliance
MSL 1 rating

All listed substitute parts meet these core electrical and mechanical requirements. Variations in physical dimensions (length, width, height) within the 1206 package specification, packaging format (Tape & Reel vs. Cut Tape), and specific feature sets (anti-sulfur vs. moisture resistant vs. high voltage) do not affect functional substitutability in circuit applications.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	RoHS3	MSL	Product Status
AF1206FR-07510KL	YAGEO	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	Yes	Yes	1	Active
AC1206FR-07510KL	YAGEO	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	Yes	Yes	1	Active
RC1206FR-07510KL	YAGEO	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	No	Yes	1	Active
CR1206-FX-5103ELF	Bourns Inc.	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	No	Yes	1	Active
CRCW1206510KFKEA	Vishay Dale	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	Yes	Yes	1	Active
ERJ-8ENF5103V	Panasonic Electronic Components	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	Yes	Yes	1	Not For New Designs
KTR18EZPF5103	Rohm Semiconductor	510 kΩ	±1%	0.25W	1206	±100ppm/°C	-55 to 155°C	Yes	Yes	1	Active

Engineering Selection Recommendations

For new designs and active production, select from parts with Active product status: AC1206FR-07510KL, RC1206FR-07510KL, CR1206-FX-5103ELF, CRCW1206510KFKEA, or KTR18EZPF5103.

For automotive applications requiring AEC-Q200 certification, prioritize AF1206FR-07510KL, AC1206FR-07510KL, CRCW1206510KFKEA, ERJ-8ENF5103V, or KTR18EZPF5103.

The ERJ-8ENF5103V carries a "Not For New Designs" status and should be used only for legacy system maintenance or replacement applications where design continuity is required.

All substitute parts are ROHS3 compliant and carry MSL 1 rating, ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-07510KL replace AF1206FR-07510KL in automotive applications?

A: RC1206FR-07510KL is electrically equivalent but lacks AEC-Q200 automotive certification. It is suitable for non-automotive applications. For automotive designs, use AC1206FR-07510KL, CRCW1206510KFKEA, ERJ-8ENF5103V, or KTR18EZPF5103.

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

A: Both packaging formats contain identical components. Tape & Reel (TR) is supplied on continuous reels for automated assembly lines. Cut Tape (CT) is supplied in shorter tape segments for manual or small-batch assembly. Electrical and mechanical specifications remain unchanged.

Q: Are all substitute parts pin-compatible with the original AF1206FR-07510KL?

A: Yes. All listed substitutes use the 1206 (3216 Metric) package with identical two-terminal configuration and footprint compatibility. Minor variations in physical dimensions (within package tolerance) do not affect PCB placement or soldering.

Q: Why is ERJ-8ENF5103V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development for this part. It remains available for existing applications but should not be selected for new product designs. Use KTR18EZPF5103, CRCW1206510KFKEA, or AC1206FR-07510KL for new designs.

Q: Do all substitutes meet the same temperature and moisture specifications?

A: Yes. All listed parts operate across -55°C to 155°C, carry MSL 1 rating (unlimited moisture sensitivity), and are ROHS3 compliant. Temperature coefficient is ±100ppm/°C across all options.

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

A: Yes. All substitutes meet identical electrical specifications and package requirements. However, verify with your assembly partner that their equipment is qualified for all selected part numbers, as some automated systems may require specific feeder configurations for different packaging formats.

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