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RMCS0805FT24K9 Equivalent & Substitute Parts
Part Overview
The RMCS0805FT24K9 is a 24.9 kOhms ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This component features anti-sulfur construction and operates across -55°C to 155°C. The part is active in production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified when design requirements demand alternative sourcing, higher power ratings, automotive qualification, or different packaging formats while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 24.9 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict adherence to the following parameters: resistance value (24.9 kOhms), tolerance (±1%), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, MSL 1). Power rating variations are permitted when the substitute meets or exceeds the original 0.125W specification. Packaging format variations (Tape & Reel vs. Cut Tape) are acceptable for equivalent functionality. Automotive AEC-Q200 qualification is an enhancement feature that does not restrict substitution but indicates suitability for automotive applications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package / Case | Composition | Temp Coeff | Operating Temp | Features | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RMCS0805FT24K9 | Stackpole Electronics Inc | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Anti-Sulfur | ROHS3 Compliant | 1 |
| RMCF0805FT24K9 | Stackpole Electronics Inc | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 Compliant | 1 |
| AC0805FR-0724K9L | YAGEO | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Moisture Resistant | ROHS3 Compliant | 1 |
| CRCW080524K9FKEA | Vishay Dale | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 Compliant | 1 |
| CRCW080524K9FKEAHP | Vishay Dale | 24.9 kOhms | ±1% | 0.5W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Pulse Withstanding | ROHS3 Compliant | 1 |
| ERJ-6ENF2492V | Panasonic Electronic Components | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200 | ROHS3 Compliant | 1 |
| RC0805FR-0724K9L | YAGEO | 24.9 kOhms | ±1% | 0.125W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Moisture Resistant | ROHS3 Compliant | 1 |
| RCS080524K9FKEA | Vishay Dale | 24.9 kOhms | ±1% | 0.5W | 0805 (2012 Metric) | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Automotive AEC-Q200, Pulse Withstanding | ROHS3 Compliant | 1 |
Engineering Selection Recommendations
All listed substitute parts maintain full electrical and mechanical compatibility with RMCS0805FT24K9 across the specified parameter set. Selection between equivalents depends on application-specific requirements:
RMCF0805FT24K9 provides direct manufacturer equivalence from Stackpole with automotive AEC-Q200 qualification, suitable for automotive and industrial applications requiring enhanced reliability.
AC0805FR-0724K9L and RC0805FR-0724K9L from YAGEO offer moisture-resistant construction; AC0805FR-0724K9L includes AEC-Q200 certification for automotive use, while RC0805FR-0724K9L is available in Cut Tape packaging for lower-volume applications.
CRCW080524K9FKEA and RCS080524K9FKEA from Vishay Dale provide 0.5W power rating with pulse withstanding capability, suitable for applications requiring higher transient energy absorption while maintaining the 0805 package footprint.
ERJ-6ENF2492V from Panasonic offers AEC-Q200 automotive qualification with established supply chain presence in automotive markets.
All parts maintain ROHS3 compliance, unlimited moisture sensitivity level, and identical operating temperature range (-55°C ~ 155°C).
Frequently Asked Questions (FAQ)
Q: Can CRCW080524K9FKEAHP and RCS080524K9FKEA be used as direct replacements for RMCS0805FT24K9?
A: Yes. These parts maintain identical resistance (24.9 kOhms), tolerance (±1%), package (0805), composition (thick film), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). The 0.5W power rating exceeds the original 0.125W specification, providing additional margin. Pulse withstanding capability is an enhancement that does not affect standard DC operation.
Q: What is the difference between Tape & Reel and Cut Tape packaging?
A: Tape & Reel packaging is supplied on continuous carrier tape for automated assembly equipment. Cut Tape & Digi-Reel packaging provides smaller quantities on cut tape segments, suitable for manual assembly or lower-volume production. Electrical and mechanical specifications remain identical.
Q: Are all substitute parts automotive-qualified?
A: RMCF0805FT24K9, AC0805FR-0724K9L, CRCW080524K9FKEA, CRCW080524K9FKEAHP, ERJ-6ENF2492V, and RCS080524K9FKEA carry AEC-Q200 certification. RC0805FR-0724K9L and the original RMCS0805FT24K9 do not carry automotive qualification but remain suitable for general industrial applications.
Q: Do all parts meet ROHS3 compliance?
A: Yes. All listed parts, including the main part RMCS0805FT24K9 and all substitutes, are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level).
Q: What determines substitution eligibility for 0805 chip resistors?
A: Substitution is determined by matching resistance value, tolerance, package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Power rating may be equal or higher. Compliance certifications (ROHS3, MSL) must be maintained or enhanced.
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