RT0603FRE0718R2L Equivalent & Substitute Parts

Part Overview

The RT0603FRE0718R2L is an 18.2 Ohm ±1% thin film chip resistor in 0603 (1608 Metric) package rated at 0.1W (1/10W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant. Substitute parts are identified to address inventory availability, enhanced performance specifications, or specific application requirements while maintaining functional compatibility within the 0603 package form factor.

Substiute Parts

RT0603FRE0718R2L

YAGEOIn Stock: 996RT0603FRE0718R2L Datasheet

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ERA-3AHD18R2V

Panasonic Electronic ComponentsIn Stock: 22234ERA-3AHD18R2V Datasheet

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RP73PF1J18R2BTDF

TE Connectivity Passive ProductIn Stock: 1597RP73PF1J18R2BTDF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE0718R2L is determined by the following mandatory parameters:

• Resistance value: 18.2 Ohms (exact match required)
• Package / Case: 0603 (1608 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (minimum requirement)
• Number of Terminations: 2 (exact match required)
• Moisture Sensitivity Level: 1 or better (exact match or superior)

The identified substitute parts meet all mandatory parameters. Variations in tolerance, power rating, and temperature coefficient represent performance enhancements or alternative specifications suitable for direct substitution in circuit applications where the 0603 thin film resistor footprint and 18.2 Ohm value are specified.

Parameter Comparison

Engineering Selection Recommendations

ERA-3AHD18R2V (Panasonic): This substitute offers improved tolerance (±0.5% vs ±1%) while maintaining identical power rating, temperature range, and package specifications. AEC-Q200 automotive qualification provides enhanced reliability documentation. ROHS3 compliance is maintained. Selection is appropriate for applications requiring tighter tolerance specifications or automotive-grade component traceability.

RP73PF1J18R2BTDF (TE Connectivity): This substitute provides superior tolerance (±0.1%) and increased power rating (0.167W vs 0.1W) with lower temperature coefficient (±25ppm/°C vs ±50ppm/°C). RoHS non-compliance status must be evaluated against application requirements. Selection is appropriate for high-precision applications or where increased power dissipation margin is beneficial.

Frequently Asked Questions (FAQ)

Q: Can ERA-3AHD18R2V replace RT0603FRE0718R2L in existing designs? A: Yes. Both components share identical resistance value, package, composition, and operating temperature range. The improved tolerance specification of ERA-3AHD18R2V is a performance enhancement with no compatibility concerns.

Q: Can RP73PF1J18R2BTDF replace RT0603FRE0718R2L in existing designs? A: Yes, from a functional standpoint. Identical resistance, package, and composition ensure mechanical and electrical compatibility. RoHS compliance status differs; applications subject to RoHS requirements must account for this distinction.

Q: What is the significance of tolerance differences between these parts? A: Tolerance defines the acceptable resistance variation from the nominal 18.2 Ohm value. RT0603FRE0718R2L allows ±1.82 Ohms variation; ERA-3AHD18R2V allows ±0.91 Ohms; RP73PF1J18R2BTDF allows ±0.0182 Ohms. Applications with tight circuit specifications benefit from lower tolerance values.

Q: Are all three parts physically interchangeable? A: Yes. All three components use the 0603 (1608 Metric) package with identical footprint dimensions and two terminations. Physical placement and soldering procedures are identical.

Q: What does AEC-Q200 certification mean for ERA-3AHD18R2V? A: AEC-Q200 is an automotive industry qualification standard. This certification indicates the component meets automotive reliability and performance requirements. It is relevant only for applications requiring automotive-grade components.

Q: Why does RP73PF1J18R2BTDF have a higher power rating? A: The 0.167W (1/6W) rating indicates greater power dissipation capability compared to the 0.1W (1/10W) rating of the main part. This provides additional thermal margin in applications approaching the power limit of the original specification.