RT0603FRE0740R2L Equivalent & Substitute Parts

Part Overview

The RT0603FRE0740R2L is a 40.2 Ohms ±1% thin film chip resistor in 0603 (1608 Metric) package format, rated at 0.1W power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant. Substitute parts are identified to provide alternatives with improved tolerance specifications, enhanced power ratings, or alternative sourcing options while maintaining electrical and mechanical compatibility within the 0603 package footprint.

Substiute Parts

RT0603FRE0740R2L

YAGEOIn Stock: 829RT0603FRE0740R2L Datasheet

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RT0603DRE0740R2L

YAGEOIn Stock: 6983RT0603DRE0740R2L Datasheet

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RP73PF1J40R2BTDF

TE Connectivity Passive ProductIn Stock: 10201RP73PF1J40R2BTDF Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT0603FRE0740R2L is determined by the following mandatory parameters:

• Resistance value: 40.2 Ohms (exact match required)
• Package format: 0603 (1608 Metric) (exact match required)
• Composition: Thin film construction
• Operating temperature range: -55°C ~ 155°C minimum
• Moisture sensitivity level: MSL 1 or equivalent
• RoHS compliance: ROHS3 or equivalent

Substitute parts may vary in tolerance (tighter specifications acceptable), power rating (equal or higher acceptable), and temperature coefficient (lower values acceptable). All identified substitutes maintain the core electrical and mechanical compatibility required for direct board-level replacement.

Parameter Comparison

Engineering Selection Recommendations

RT0603DRE0740R2L (YAGEO) is a direct substitute offering improved tolerance specification (±0.5% versus ±1%) while maintaining identical power rating, package dimensions, and operating characteristics. This option is suitable for applications requiring tighter resistance tolerance without additional thermal or dimensional constraints.

RP73PF1J40R2BTDF (TE Connectivity Passive Product) provides enhanced specifications including superior tolerance (±0.1%), increased power rating (0.167W versus 0.1W), and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C). This option is suitable for applications with higher power dissipation requirements or demanding temperature stability specifications. Dimensional variation (1.55mm length versus 1.60mm) remains within 0603 package classification and does not affect standard PCB footprint compatibility.

All three parts maintain ROHS3 compliance, MSL 1 rating, and active product status, ensuring long-term availability and regulatory compliance.

Frequently Asked Questions (FAQ)

Q: Can RT0603DRE0740R2L be used as a direct replacement for RT0603FRE0740R2L?

A: Yes. Both components share identical resistance value (40.2 Ohms), package format (0603), power rating (0.1W), and operating temperature range (-55°C ~ 155°C). The substitute offers improved tolerance (±0.5% versus ±1%), making it functionally compatible for direct board-level substitution.

Q: What are the key differences between RT0603DRE0740R2L and RP73PF1J40R2BTDF?

A: Both maintain 40.2 Ohms resistance and 0603 package compatibility. RP73PF1J40R2BTDF offers superior tolerance (±0.1%), higher power rating (0.167W), and lower temperature coefficient (±25ppm/°C). Physical dimensions vary slightly (1.55mm versus 1.60mm length), but both conform to 0603 package specifications and standard PCB footprints.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RT0603DRE0740R2L and RP73PF1J40R2BTDF are both ROHS3 compliant with MSL 1 rating, matching the compliance profile of the main part RT0603FRE0740R2L.

Q: Can RP73PF1J40R2BTDF be used in applications with higher power dissipation?

A: Yes. RP73PF1J40R2BTDF is rated at 0.167W (1/6W) compared to 0.1W (1/10W) for the main part, providing additional thermal headroom for applications requiring higher power dissipation within the same package footprint.

Q: Are there any temperature coefficient considerations when substituting parts?

A: RP73PF1J40R2BTDF features a lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), providing superior temperature stability. This characteristic is beneficial for precision applications but does not prevent substitution in standard applications where the main part's temperature coefficient is acceptable.