RT0603FRE0773R2L Equivalent & Substitute Parts

Part Overview

The RT0603FRE0773R2L is a 73.2 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 widely used in general-purpose electronic applications requiring precision resistive elements. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and optimize cost-performance trade-offs across different sourcing scenarios and application requirements.

Substiute Parts

RT0603FRE0773R2L

YAGEOIn Stock: 1237RT0603FRE0773R2L Datasheet

Current PartRFQ

ERA-3AEB73R2V

Panasonic Electronic ComponentsIn Stock: 13394ERA-3AEB73R2V Datasheet

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RP73PF1J73R2BTDF

TE Connectivity Passive ProductIn Stock: 3794RP73PF1J73R2BTDF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE0773R2L is determined by the following critical parameters:

• Resistance Value: Must be exactly 73.2 Ohms
• Package Type: Must be 0603 (1608 Metric) for PCB footprint compatibility
• Composition: Thin film construction ensures consistent performance characteristics
• Operating Temperature Range: Must support -55°C to 155°C minimum
• Power Rating: Must meet or exceed 0.1W (1/10W) requirement
• Tolerance: May be equal to or tighter than ±1%
• Compliance: RoHS3 compliance required for regulatory alignment

The identified substitute parts ERA-3AEB73R2V and RP73PF1J73R2BTDF satisfy all critical substitution criteria. Both maintain the 73.2 Ohm resistance value, 0603 package footprint, thin film composition, and full operating temperature range. Both offer improved tolerance specifications (±0.1% versus ±1%) and enhanced temperature coefficient performance (±25ppm/°C versus ±50ppm/°C).

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active production status and full RoHS3 compliance, ensuring regulatory alignment and supply chain stability.

ERA-3AEB73R2V carries AEC-Q200 automotive qualification, indicating enhanced reliability screening and suitability for automotive and mission-critical applications. The ±0.1% tolerance and ±25ppm/°C temperature coefficient provide superior precision compared to the main part specification.

RP73PF1J73R2BTDF offers increased power dissipation capability at 0.167W (1/6W), providing thermal margin beyond the 0.1W requirement. The ±0.1% tolerance and ±25ppm/°C temperature coefficient match the ERA-3AEB73R2V performance characteristics.

Selection between substitutes depends on application-specific requirements: automotive applications benefit from AEC-Q200 qualification, while applications requiring higher power dissipation margin favor the TE Connectivity option.

Frequently Asked Questions (FAQ)

Q: Can ERA-3AEB73R2V directly replace RT0603FRE0773R2L in existing designs?

A: Yes. Both parts share identical resistance value (73.2 Ohms), package footprint (0603), operating temperature range (-55°C to 155°C), and composition (thin film). The ERA-3AEB73R2V offers tighter tolerance (±0.1% versus ±1%) and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), making it a direct functional upgrade.

Q: What is the primary difference between the two substitute parts?

A: The primary difference is power rating. ERA-3AEB73R2V is rated at 0.1W (1/10W), matching the main part specification. RP73PF1J73R2BTDF is rated at 0.167W (1/6W), providing 67% additional power dissipation capacity. Both maintain identical resistance, tolerance, and temperature coefficient specifications.

Q: Is AEC-Q200 qualification required for my application?

A: AEC-Q200 qualification is specific to automotive and high-reliability applications. ERA-3AEB73R2V carries this certification; RP73PF1J73R2BTDF does not. Select ERA-3AEB73R2V if automotive qualification is a design requirement.

Q: Will the 0603 package footprint remain identical across all three parts?

A: Yes. All three parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm). PCB layout and assembly processes require no modification.

Q: Are there any compliance or regulatory differences between these parts?

A: All three parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. Compliance profiles are equivalent. ERA-3AEB73R2V includes additional AEC-Q200 automotive qualification, which is a value-add rather than a compliance requirement.