Equivalent & Substitute Parts for MCR10ERTJ2R4

Part Overview

The MCR10ERTJ2R4 is a 2.4 Ohms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Rohm Semiconductor. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives. The part maintains ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), making it suitable for general industrial and consumer applications within the specified temperature range of -55°C to 155°C.

Substiute Parts

MCR10ERTJ2R4

Rohm SemiconductorIn Stock: 764MCR10ERTJ2R4 Datasheet

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RC0805JR-072R4L

YAGEOIn Stock: 9788RC0805JR-072R4L Datasheet

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RMCF0805FT2R40

Stackpole Electronics IncIn Stock: 11364RMCF0805FT2R40 Datasheet

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RMCF0805JT2R40

Stackpole Electronics IncIn Stock: 5843RMCF0805JT2R40 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR10ERTJ2R4 is determined by strict equivalence across the following parameters: resistance value (2.4 Ohms), package type (0805), power rating (0.125W), composition (thick film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected). All identified substitutes maintain these core specifications. Tolerance variations and temperature coefficient differences are secondary parameters that do not prevent functional substitution but may influence application-specific performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts maintain full electrical and mechanical compatibility with the MCR10ERTJ2R4. Selection should be based on product availability and application requirements:

RC0805JR-072R4L (YAGEO) provides direct functional equivalence with identical tolerance and improved temperature coefficient performance. This part is actively manufactured with high inventory availability.

RMCF0805FT2R40 (Stackpole) offers enhanced tolerance specification (±1%) and automotive AEC-Q200 qualification. This part is suitable for applications requiring tighter resistance tolerances or automotive-grade reliability standards.

RMCF0805JT2R40 (Stackpole) maintains tolerance equivalence (±5%) to the original part while providing automotive AEC-Q200 qualification and improved temperature coefficient. This part is suitable for applications requiring automotive-grade components without tolerance enhancement.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-072R4L be used as a direct replacement for MCR10ERTJ2R4?

A: Yes. Both parts share identical resistance (2.4 Ohms), tolerance (±5%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). The RC0805JR-072R4L features improved temperature coefficient (±200ppm/°C versus ±400ppm/°C) and moisture-resistant composition, making it functionally superior for most applications.

Q: What is the difference between the two Stackpole substitutes?

A: RMCF0805FT2R40 provides ±1% tolerance, while RMCF0805JT2R40 maintains ±5% tolerance matching the original part. Both include automotive AEC-Q200 qualification and identical temperature coefficient (±200ppm/°C). Selection depends on tolerance requirements for the specific application.

Q: Are all substitutes mechanically compatible with the original PCB layout?

A: Yes. All substitutes use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W). Maximum seated heights range from 0.024" to 0.026", which is within standard PCB assembly tolerances for 0805 components.

Q: Do all substitutes meet the same compliance requirements?

A: Yes. All substitutes are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating, matching the original MCR10ERTJ2R4 specifications.

Q: Which substitute should be selected for automotive applications?

A: Both Stackpole parts (RMCF0805FT2R40 and RMCF0805JT2R40) carry AEC-Q200 automotive qualification. RMCF0805FT2R40 is recommended if tighter tolerance (±1%) is required; RMCF0805JT2R40 is recommended if tolerance equivalence (±5%) to the original part is sufficient.