MCS04020C2490FE000 Equivalent & Substitute Parts

Part Overview

The MCS04020C2490FE000 is a 249 Ohm ±1% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W) with anti-sulfur coating. Manufactured by Vishay Beyschlag/Draloric/BC Components, this component is active and RoHS3 compliant. Substitute parts are identified to address inventory availability, performance upgrades, or application-specific requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	249 Ohms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following mandatory parameters:

Resistance Value: Must be 249 Ohms
Package Type: Must be 0402 (1005 Metric)
Composition: Must be Thin Film
Power Rating: Must be 0.063W (1/16W)
Tolerance: ±1% or tighter (lower tolerance values are acceptable upgrades)
Operating Temperature Range: Must support -55°C minimum; upper limit of 125°C or higher is acceptable
RoHS Compliance: Must be RoHS3 compliant
Moisture Sensitivity: MSL 1 (Unlimited)

Substitute parts are grouped into direct equivalents (matching tolerance) and upgrades (improved tolerance or additional certifications). All listed substitutes meet or exceed the electrical and mechanical specifications of the main part.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Temp Coeff	Operating Temp	Height (Max)	Features	Inventory
MCS04020C2490FE000	Vishay Beyschlag	249 Ω	±1%	±50ppm/°C	-55°C ~ 155°C	0.015" (0.37mm)	Anti-Sulfur	708 Pcs
RT0402FRE07249RL	YAGEO	249 Ω	±1%	±50ppm/°C	-55°C ~ 155°C	0.014" (0.35mm)	—	22691 Pcs
CPF0402B249RE1	TE Connectivity	249 Ω	±0.1%	±25ppm/°C	-55°C ~ 155°C	0.014" (0.35mm)	—	11550 Pcs
RG1005N-2490-W-T1	Susumu	249 Ω	±0.05%	±10ppm/°C	-55°C ~ 155°C	0.016" (0.40mm)	Anti-Sulfur, AEC-Q200	1603 Pcs
RG1005P-2490-B-T5	Susumu	249 Ω	±0.1%	±25ppm/°C	-55°C ~ 155°C	0.016" (0.40mm)	Anti-Sulfur, AEC-Q200	34324 Pcs
RG1005P-2490-D-T10	Susumu	249 Ω	±0.5%	±25ppm/°C	-55°C ~ 155°C	0.016" (0.40mm)	Anti-Sulfur, AEC-Q200	10825 Pcs
RR0510P-2490-D	Susumu	249 Ω	±0.5%	±25ppm/°C	-55°C ~ 125°C	0.016" (0.40mm)	—	9530 Pcs
RT0402BRD07249RL	YAGEO	249 Ω	±0.1%	±25ppm/°C	-55°C ~ 155°C	0.014" (0.35mm)	—	17390 Pcs
RT0402BRE07249RL	YAGEO	249 Ω	±0.1%	±50ppm/°C	-55°C ~ 155°C	0.014" (0.35mm)	—	10736 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance)

RT0402FRE07249RL from YAGEO is a direct equivalent with ±1% tolerance matching the MCS04020C2490FE000. This part maintains identical electrical specifications and is suitable for one-to-one replacement. Higher inventory availability (22691 Pcs) supports supply chain continuity.

Tolerance Upgrades (Tighter Tolerance)

CPF0402B249RE1 (TE Connectivity, ±0.1%), RT0402BRD07249RL (YAGEO, ±0.1%), and RT0402BRE07249RL (YAGEO, ±0.1%) provide improved tolerance performance. These parts are electrically compatible and suitable for applications requiring higher precision.

RG1005N-2490-W-T1 (Susumu, ±0.05%) offers the tightest tolerance with AEC-Q200 automotive qualification and anti-sulfur coating, matching the feature set of the original part.

Automotive-Qualified Alternatives

RG1005P-2490-B-T5 and RG1005P-2490-D-T10 (both Susumu) carry AEC-Q200 automotive qualification with anti-sulfur coating. These parts are suitable for automotive and high-reliability applications.

Temperature Range Consideration

RR0510P-2490-D operates at -55°C ~ 125°C, which is narrower than the original -55°C ~ 155°C range. This part is suitable only for applications not exceeding 125°C.

All substitute parts are RoHS3 compliant with MSL 1 rating, maintaining regulatory and environmental compatibility.

Frequently Asked Questions (FAQ)

Q: Can RT0402FRE07249RL replace MCS04020C2490FE000 directly?

A: Yes. RT0402FRE07249RL is a direct equivalent with matching 249 Ohm resistance, ±1% tolerance, 0.063W power rating, and 0402 package. Both parts operate across -55°C ~ 155°C and are RoHS3 compliant.

Q: What is the difference between direct equivalents and upgrade parts?

A: Direct equivalents match the tolerance specification (±1%). Upgrade parts offer tighter tolerance (±0.1% or ±0.05%), lower temperature coefficients, or additional certifications such as AEC-Q200. Upgrades are electrically compatible but provide enhanced performance characteristics.

Q: Are parts with ±0.1% tolerance compatible with designs specified for ±1%?

A: Yes. Tighter tolerance parts are compatible with ±1% specifications. The ±0.1% tolerance is a subset of ±1%, ensuring the part meets or exceeds the original requirement.

Q: Does RR0510P-2490-D have any limitations?

A: RR0510P-2490-D operates at -55°C ~ 125°C, which is 30°C lower than the original part's upper limit of 155°C. This part is suitable only for applications with maximum operating temperatures not exceeding 125°C.

Q: What is the significance of AEC-Q200 certification?

A: AEC-Q200 is an automotive qualification standard. Parts carrying this certification (RG series from Susumu) are qualified for automotive applications and high-reliability environments. These parts are suitable for both automotive and general industrial use.

Q: Are all substitute parts available in the same packaging format?

A: Yes. All substitute parts use 0402 (1005 Metric) package with Tape & Reel (TR) packaging. Physical dimensions are compatible with standard 0402 placement equipment.

Q: Which substitute part has the best inventory availability?

A: RG1005P-2490-B-T5 has the highest inventory at 34324 Pcs, followed by RT0402FRE07249RL at 22691 Pcs.

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