AF1210FR-07191RL Equivalent & Substitute Parts

Part Overview

The AF1210FR-07191RL is a 191 Ohms ±1% 0.5W thick film chip resistor in 1210 (3225 Metric) package manufactured by YAGEO. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently in active production status with 1036 units in stock.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, extended lead times, or when design flexibility permits equivalent alternatives that meet identical electrical and mechanical specifications.

Substiute Parts

AF1210FR-07191RL

YAGEOIn Stock: 1133AF1210FR-07191RL Datasheet

Current PartRFQ

ERJ-14NF1910U

Panasonic Electronic ComponentsIn Stock: 25411ERJ-14NF1910U Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AF1210FR-07191RL is determined by strict equivalence across the following parameters:

• Resistance value: 191 Ohms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Package type: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

The ERJ-14NF1910U manufactured by Panasonic Electronic Components meets all these criteria and is classified as a manufacturer-recommended substitute.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-14NF1910U is electrically and functionally equivalent to the AF1210FR-07191RL across all critical parameters. Both components satisfy AEC-Q200 automotive qualification requirements and maintain identical electrical performance within the specified operating range.

The primary distinction is product status: the AF1210FR-07191RL maintains active production status, while the ERJ-14NF1910U is designated as "Not For New Designs." This designation indicates that Panasonic has discontinued active development of this part number, though existing inventory remains available.

Physical dimensions show minor variations within the 1210 package tolerance envelope. The ERJ-14NF1910U exhibits slightly larger length (0.126" vs 0.122") and height (0.028" vs 0.024"), while width is marginally reduced (0.098" vs 0.102"). These dimensional differences remain within standard 1210 package specifications and do not affect PCB footprint compatibility.

Selection should prioritize the AF1210FR-07191RL for new designs due to active production status and long-term availability assurance. The ERJ-14NF1910U is suitable for legacy system maintenance or when supply of the primary part is constrained.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF1910U be used as a direct replacement for AF1210FR-07191RL?

A: Yes. Both parts are electrically identical with matching resistance, tolerance, power rating, temperature coefficient, and AEC-Q200 automotive qualification. Physical dimensions fall within standard 1210 package tolerances and maintain PCB footprint compatibility.

Q: What does "Not For New Designs" mean for the ERJ-14NF1910U?

A: This designation indicates that Panasonic has concluded active development and production planning for this part number. While existing inventory is available, the manufacturer does not guarantee long-term supply or future production. New designs should specify the AF1210FR-07191RL to ensure sustained availability.

Q: Are there dimensional concerns when substituting between these parts?

A: Minor dimensional variations exist within the 1210 package specification. The ERJ-14NF1910U is 0.004" longer and 0.004" taller than the AF1210FR-07191RL, while 0.004" narrower. These differences remain within standard package tolerances and do not affect standard PCB footprint designs.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both the AF1210FR-07191RL and ERJ-14NF1910U are ROHS3 compliant, REACH unaffected, and carry AEC-Q200 automotive qualification with MSL 1 (unlimited moisture sensitivity level).

Q: Which part should be specified for automotive applications?

A: Both parts satisfy AEC-Q200 requirements. For new automotive designs, specify AF1210FR-07191RL due to active production status. For existing designs or legacy systems, ERJ-14NF1910U remains qualified for continued use.