AF1210JR-07510RL Equivalent & Substitute Parts

Part Overview

The AF1210JR-07510RL is a 510 Ohm ±5% thick film chip resistor in 1210 (3225 Metric) package rated for 0.5W power dissipation. This YAGEO component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments. Substitute parts are identified for applications requiring alternative tolerance specifications, enhanced moisture resistance, or equivalent performance from alternative manufacturers while maintaining the same electrical and mechanical specifications.

Key Parameters

Parameter	Value
Resistance	510 Ohms
Tolerance	±5%
Power Rating	0.5W (1/2W)
Package / Case	1210 (3225 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 is determined by the following criteria:

Electrical Parameters (Must Match):

Resistance value: 510 Ohms
Power rating: 0.5W (1/2W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

Package / Case: 1210 (3225 Metric)
Number of terminations: 2
Packaging format: Tape & Reel (TR)

Tolerance Flexibility:

Original part tolerance: ±5%
Substitute parts with ±1% tolerance are acceptable as they provide tighter specification within the original tolerance band

Compliance & Features:

All substitutes maintain ROHS3 compliance and MSL 1 rating
AEC-Q200 automotive qualification is preserved in recommended substitutes
Moisture-resistant variants are functionally equivalent

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Features	Product Status	Inventory
AF1210JR-07510RL	YAGEO	510 Ω	±5%	0.5W	1210	Anti-Sulfur, AEC-Q200	Active	735 Pcs
AC1210FR-07510RL	YAGEO	510 Ω	±1%	0.5W	1210	Moisture Resistant, AEC-Q200	Active	15952 Pcs
RC1210FR-07510RL	YAGEO	510 Ω	±1%	0.5W	1210	Moisture Resistant	Active	5930 Pcs
RC1210JR-07510RL	YAGEO	510 Ω	±5%	0.5W	1210	Moisture Resistant	Active	11886 Pcs
ERJ-14NF5100U	Panasonic Electronic Components	510 Ω	±1%	0.5W	1210	AEC-Q200	Not For New Designs	10749 Pcs

Engineering Selection Recommendations

For Active Production (Recommended):

AC1210FR-07510RL: YAGEO part with ±1% tolerance, AEC-Q200 automotive qualification, and moisture-resistant construction. Highest inventory availability (15952 Pcs). Suitable for applications requiring tighter tolerance specification.
RC1210JR-07510RL: YAGEO part matching original ±5% tolerance with moisture-resistant features. Maintains electrical equivalence with enhanced environmental protection.
RC1210FR-07510RL: YAGEO part with ±1% tolerance and moisture-resistant construction for applications not requiring automotive qualification.

For Existing Designs (Legacy Support):

ERJ-14NF5100U: Panasonic equivalent with AEC-Q200 qualification. Marked "Not For New Designs" status; use only for replacement in existing applications. Slight dimensional variation (3.20mm L x 2.50mm W vs. 3.10mm x 2.60mm) and increased height (0.70mm vs. 0.60mm) require PCB layout verification.

Frequently Asked Questions (FAQ)

Q: Can I substitute AF1210JR-07510RL with a ±1% tolerance part? A: Yes. Parts with ±1% tolerance (AC1210FR-07510RL, RC1210FR-07510RL, ERJ-14NF5100U) are functionally equivalent. The tighter tolerance specification is a superset of the original ±5% requirement and will not cause circuit incompatibility.

Q: What is the difference between YAGEO AF, AC, and RC series? A: AF series includes anti-sulfur coating with AEC-Q200 qualification. AC series provides moisture-resistant construction with AEC-Q200 qualification. RC series offers moisture-resistant construction without automotive qualification. All maintain identical electrical performance at 510 Ohms ±5% or ±1%.

Q: Is ERJ-14NF5100U suitable for new designs? A: No. ERJ-14NF5100U is marked "Not For New Designs" by Panasonic. Use only for replacement in existing applications. For new designs, select from active YAGEO parts (AF1210JR-07510RL, AC1210FR-07510RL, RC1210JR-07510RL, or RC1210FR-07510RL).

Q: Are there package compatibility concerns with ERJ-14NF5100U? A: Yes. ERJ-14NF5100U has slightly different dimensions (3.20mm L x 2.50mm W, 0.70mm height) compared to the standard 1210 package (3.10mm x 2.60mm, 0.60mm height). Verify PCB footprint and clearance before substitution.

Q: Do all substitute parts maintain AEC-Q200 automotive qualification? A: No. AC1210FR-07510RL and ERJ-14NF5100U carry AEC-Q200 qualification. RC1210FR-07510RL and RC1210JR-07510RL do not. Select AC or ERJ series for automotive applications requiring this certification.

Q: What is the moisture sensitivity level for all parts? A: All parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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