Equivalent & Substitute Parts for RMC1/10-243JTP

Part Overview

The RMC1/10-243JTP is a 24 kOhms ±5% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Kamaya Inc. This component is classified as Active status with 968 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for general industrial and commercial applications. Substitute parts are necessary when primary inventory is depleted, when design requirements demand enhanced specifications such as tighter tolerance or automotive qualification, or when alternative manufacturers offer superior availability or cost optimization.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	24 kOhms	Core functional requirement
Tolerance	±5%	Electrical accuracy specification
Power Rating	0.125W (1/8W)	Thermal dissipation capability
Package Type	0805 (2012 Metric)	Physical form factor and PCB compatibility
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±200ppm/°C	Temperature stability characteristic
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage requirement

Substitute Part Grouping Explanation

Substitute parts for the RMC1/10-243JTP are classified into two categories based on electrical parameter compatibility:

Direct Equivalents (Identical Electrical Specifications): Direct substitutes maintain all critical electrical parameters: 24 kOhms resistance, ±5% tolerance, 0.125W power rating, 0805 package, thick film composition, ±200ppm/°C temperature coefficient, and -55°C to 155°C operating range. These parts are functionally interchangeable without circuit redesign. Direct equivalents include ERJ-6GEYJ243V (Panasonic), MCR10ERTJ243 (Rohm), and RMCF0805JT24K0 (Stackpole).

Upgraded Specifications (Enhanced Tolerance): Upgraded substitutes maintain the same resistance value, power rating, package, and operating temperature range but feature tighter tolerance (±1% instead of ±5%) and improved temperature coefficient (±100ppm/°C instead of ±200ppm/°C). These parts provide superior electrical performance and are backward-compatible for applications where the original ±5% tolerance is acceptable. Upgraded parts include CRG0805F24K (TE Connectivity), ERJ-6ENF2402V (Panasonic), KTR10EZPF2402 (Rohm), RC0805FR-0724KL (YAGEO), RMCF0805FT24K0 (Stackpole), and RC0805JR-0724KL (YAGEO).

Substitution Criteria: The following parameters must remain constant for valid substitution:

Resistance value: 24 kOhms
Package: 0805 (2012 Metric)
Power rating: 0.125W minimum
Operating temperature range: -55°C to 155°C minimum
Composition: Thick film
Moisture sensitivity: MSL 1 or better

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	Status	Certifications
RMC1/10-243JTP	Kamaya Inc.	24 kΩ	±5%	0.125	±200	0805	Active	ROHS3
ERJ-6GEYJ243V	Panasonic	24 kΩ	±5%	0.125	±200	0805	Active	ROHS3, AEC-Q200
MCR10ERTJ243	Rohm Semiconductor	24 kΩ	±5%	0.125	±200	0805	Discontinued	ROHS3
RMCF0805JT24K0	Stackpole Electronics	24 kΩ	±5%	0.125	±200	0805	Active	ROHS3, AEC-Q200
CRG0805F24K	TE Connectivity	24 kΩ	±1%	0.125	±100	0805	Active	ROHS3
ERJ-6ENF2402V	Panasonic	24 kΩ	±1%	0.125	±100	0805	Active	ROHS3, AEC-Q200
KTR10EZPF2402	Rohm Semiconductor	24 kΩ	±1%	0.125	±100	0805	Active	ROHS3, AEC-Q200
RC0805FR-0724KL	YAGEO	24 kΩ	±1%	0.125	±100	0805	Active	ROHS3
RC0805JR-0724KL	YAGEO	24 kΩ	±5%	0.125	±100	0805	Active	ROHS3
RMCF0805FT24K0	Stackpole Electronics	24 kΩ	±1%	0.125	±100	0805	Active	ROHS3, AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

ERJ-6GEYJ243V (Panasonic) is the primary direct equivalent. This part maintains all electrical parameters of the RMC1/10-243JTP while offering higher inventory availability (19,321 pieces) and AEC-Q200 automotive qualification. The part is Active status with ROHS3 compliance.

RMCF0805JT24K0 (Stackpole Electronics) is an alternative direct equivalent with the highest inventory level (224,215 pieces), Active product status, and AEC-Q200 certification. This part provides superior supply chain security.

MCR10ERTJ243 (Rohm Semiconductor) is a direct electrical equivalent but carries Discontinued status at DiGi Electronics. This part should be avoided for new designs or long-term production requirements.

For Upgraded Performance:

When circuit design permits tolerance improvement, ERJ-6ENF2402V (Panasonic) or RMCF0805FT24K0 (Stackpole) provide ±1% tolerance with AEC-Q200 qualification. Both parts are Active status with substantial inventory.

RC0805FR-0724KL (YAGEO) offers ±1% tolerance with moisture-resistant thick film composition and 109,290 pieces in stock. This part is suitable for applications requiring enhanced environmental protection.

KTR10EZPF2402 (Rohm Semiconductor) combines ±1% tolerance with high-voltage capability and AEC-Q200 qualification, appropriate for automotive or high-reliability applications.

Product Status Consideration:

All recommended substitutes maintain Active product status except MCR10ERTJ243, which is discontinued. For production continuity, select from parts with Active status: ERJ-6GEYJ243V, RMCF0805JT24K0, CRG0805F24K, ERJ-6ENF2402V, KTR10EZPF2402, RC0805FR-0724KL, RC0805JR-0724KL, or RMCF0805FT24K0.

Compliance and Certifications:

All substitute parts are ROHS3 compliant and REACH unaffected. Parts with AEC-Q200 certification (ERJ-6GEYJ243V, RMCF0805JT24K0, ERJ-6ENF2402V, KTR10EZPF2402, RMCF0805FT24K0) are suitable for automotive applications where this qualification is required.

Frequently Asked Questions (FAQ)

Q: Can ERJ-6GEYJ243V replace RMC1/10-243JTP directly in my circuit?

A: Yes. ERJ-6GEYJ243V maintains identical electrical specifications: 24 kOhms ±5% tolerance, 0.125W power rating, ±200ppm/°C temperature coefficient, and 0805 package. The part is electrically and mechanically interchangeable without circuit modification.

Q: What is the difference between direct equivalents and upgraded substitutes?

A: Direct equivalents (ERJ-6GEYJ243V, RMCF0805JT24K0, MCR10ERTJ243) maintain all electrical parameters including ±5% tolerance and ±200ppm/°C temperature coefficient. Upgraded substitutes feature tighter ±1% tolerance and improved ±100ppm/°C temperature coefficient while maintaining the same resistance value and package. Upgraded parts are backward-compatible for applications where the original tolerance is acceptable.

Q: Why is MCR10ERTJ243 marked as discontinued?

A: MCR10ERTJ243 is discontinued at DiGi Electronics, indicating reduced manufacturer support and potential future supply constraints. For new designs or sustained production, select from Active status parts such as RMCF0805JT24K0 or ERJ-6GEYJ243V.

Q: Does package size affect substitution?

A: Yes. All substitute parts must use the 0805 (2012 Metric) package to ensure PCB footprint compatibility. The physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) are standardized across all listed substitutes. Height variations (0.024" to 0.028" seated maximum) are within typical PCB assembly tolerances.

Q: What does AEC-Q200 certification mean?

A: AEC-Q200 is an automotive qualification standard indicating the part meets reliability and performance requirements for automotive applications. Parts with this certification (ERJ-6GEYJ243V, RMCF0805JT24K0, ERJ-6ENF2402V, KTR10EZPF2402, RMCF0805FT24K0) are suitable for automotive circuits. The RMC1/10-243JTP does not carry this certification.

Q: Can I use a ±1% tolerance part where ±5% is specified?

A: Yes. Upgraded parts with ±1% tolerance are backward-compatible for circuits designed for ±5% tolerance. The tighter tolerance provides superior performance without requiring circuit redesign. However, the reverse substitution (using ±5% where ±1% is required) is not acceptable.

Q: What is the significance of temperature coefficient differences?

A: Temperature coefficient indicates resistance change per degree Celsius. The RMC1/10-243JTP has ±200ppm/°C; upgraded substitutes have ±100ppm/°C. Lower temperature coefficient means better resistance stability across temperature variations. For circuits sensitive to temperature-induced resistance drift, upgraded parts with ±100ppm/°C provide superior performance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components.

Q: Which substitute offers the best inventory availability?

A: RMCF0805JT24K0 (Stackpole Electronics) offers the highest inventory with 224,215 pieces in stock, providing superior supply chain security for production requirements.

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