AF0201FR-0743RL Equivalent & Substitute Parts

Part Overview

The AF0201FR-0743RL is a 43 Ohm ±1% thick film chip resistor manufactured by YAGEO in the 0201 (0603 Metric) package format. This component is rated for 0.05W (1/20W) power dissipation and features anti-sulfur coating with AEC-Q200 automotive qualification. The part is currently active in production with 819 units in stock. Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or manufacturer availability while maintaining identical electrical and mechanical specifications.

Substiute Parts

AF0201FR-0743RL

YAGEOIn Stock: 833AF0201FR-0743RL Datasheet

Current PartRFQ

CRCW020143R0FNED

Vishay DaleIn Stock: 21467CRCW020143R0FNED Datasheet

MFR RecommendedRFQ

ERJ-1GNF43R0C

Panasonic Electronic ComponentsIn Stock: 62730ERJ-1GNF43R0C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AF0201FR-0743RL are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

• Resistance value: 43 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.05W / 1/20W (exact match required)
• Package format: 0201 (0603 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±200ppm/°C (exact match required)
• Physical dimensions: 0.024" L x 0.012" W / 0.60mm x 0.30mm (exact match required)
• Termination count: 2 (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)

The identified substitute parts meet all these criteria and are therefore suitable for direct replacement in applications where the AF0201FR-0743RL is specified.

Parameter Comparison

Engineering Selection Recommendations

All three parts—AF0201FR-0743RL (YAGEO), CRCW020143R0FNED (Vishay Dale), and ERJ-1GNF43R0C (Panasonic)—are active production components with ROHS3 compliance and identical electrical and mechanical specifications. Selection among these parts should be based on:

• Inventory availability and lead time requirements
• Manufacturer qualification requirements for specific applications
• Supply chain preferences and established vendor relationships
• The CRCW020143R0FNED offers an extended operating temperature range to 155°C compared to 125°C for the other two parts, which may be advantageous in high-temperature applications within the specified tolerance limits

Frequently Asked Questions (FAQ)

Q: Can CRCW020143R0FNED be used as a direct replacement for AF0201FR-0743RL?

A: Yes. Both parts share identical resistance value (43 Ohms), tolerance (±1%), power rating (0.05W), package format (0201), composition (thick film), temperature coefficient (±200ppm/°C), physical dimensions, and RoHS compliance. The CRCW020143R0FNED has a higher maximum operating temperature (155°C vs. 125°C), which does not restrict its use in applications rated for the AF0201FR-0743RL.

Q: Can ERJ-1GNF43R0C be used as a direct replacement for AF0201FR-0743RL?

A: Yes. Both parts are identical in all critical parameters: resistance value, tolerance, power rating, package format, composition, temperature coefficient, physical dimensions, and RoHS compliance. Operating temperature ranges are equivalent at -55°C to 125°C.

Q: Are there any package or footprint differences between these parts?

A: No. All three parts use the 0201 (0603 Metric) package with identical dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm). They are footprint-compatible for PCB assembly.

Q: What is the significance of the anti-sulfur coating on the AF0201FR-0743RL?

A: The anti-sulfur feature on the AF0201FR-0743RL is specific to YAGEO's AF series. The substitute parts from Vishay Dale and Panasonic do not list this feature in their specifications. If anti-sulfur coating is a mandatory requirement for your application, the AF0201FR-0743RL should be used.

Q: Do all three parts meet automotive AEC-Q200 requirements?

A: The AF0201FR-0743RL explicitly carries AEC-Q200 automotive qualification. The CRCW020143R0FNED and ERJ-1GNF43R0C do not list AEC-Q200 ratings in their provided specifications. If AEC-Q200 certification is required, the AF0201FR-0743RL is the specified choice.