MCS04020C4990FE000 Equivalent & Substitute Parts

Part Overview

The MCS04020C4990FE000 is a 499 Ohm ±1% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W) power dissipation. Manufactured by Vishay Beyschlag/Draloric/BC Components under the MCS Professional series, this component is actively produced and widely used in precision analog circuits, signal conditioning, and measurement applications. The part features anti-sulfur coating and operates across -55°C to 155°C temperature range with ±50ppm/°C temperature coefficient. Finding equivalent or substitute parts becomes necessary for supply chain continuity, cost optimization, or when specific performance enhancements are required for particular application requirements.

Key Parameters

Parameter	Value
Resistance	499 Ohms
Tolerance	±1%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCS04020C4990FE000 is determined by strict adherence to the following core parameters:

Resistance Value: Must be 499 Ohms (exact match)
Package Type: Must be 0402 (1005 Metric) for PCB compatibility
Power Rating: Must be 0.063W (1/16W) minimum
Composition: Thin film construction required
Operating Temperature Range: Must support -55°C to 155°C minimum
Compliance: ROHS3 compliance required

Substitute parts are grouped into two categories:

Direct Equivalents maintain the ±1% tolerance specification of the original part, ensuring drop-in replacement capability without circuit redesign.

Upgrade Substitutes offer enhanced performance through tighter tolerance (±0.1% or ±0.05%), lower temperature coefficient, or additional certifications (AEC-Q200 automotive qualification), while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Height Max (mm)	Features	RoHS Status
MCS04020C4990FE000	Vishay Beyschlag/Draloric/BC Components	499 Ω	±1%	0.063	±50	-55 to 155	0402	0.37	Anti-Sulfur	ROHS3
RT0402FRE07499RL	YAGEO	499 Ω	±1%	0.063	±50	-55 to 155	0402	0.35	—	ROHS3
CPF0402B499RE1	TE Connectivity Passive Product	499 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.35	—	ROHS3
RG1005N-4990-W-T1	Susumu	499 Ω	±0.05%	0.063	±10	-55 to 155	0402	0.40	Anti-Sulfur, AEC-Q200	ROHS3
RG1005P-4990-B-T5	Susumu	499 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.40	Anti-Sulfur, AEC-Q200	ROHS3
RG1005P-4990-D-T10	Susumu	499 Ω	±0.5%	0.063	±25	-55 to 155	0402	0.40	Anti-Sulfur, AEC-Q200	ROHS3
RR0510P-4990-D	Susumu	499 Ω	±0.5%	0.063	±25	-55 to 125	0402	0.40	—	ROHS3
RT0402BRD07499RL	YAGEO	499 Ω	±0.1%	0.063	±25	-55 to 155	0402	0.35	—	ROHS3
RT0402BRE07499RL	YAGEO	499 Ω	±0.1%	0.063	±50	-55 to 155	0402	0.35	—	ROHS3

Engineering Selection Recommendations

Direct Equivalent Selection

RT0402FRE07499RL (YAGEO) provides direct functional equivalence to MCS04020C4990FE000 with matching ±1% tolerance and ±50ppm/°C temperature coefficient. This part maintains identical electrical performance specifications and is suitable for one-to-one replacement in existing designs. ROHS3 compliance and MSL 1 rating confirm environmental and handling compatibility.

Upgrade Selection for Enhanced Tolerance

CPF0402B499RE1 (TE Connectivity) and RT0402BRD07499RL (YAGEO) offer ±0.1% tolerance with ±25ppm/°C temperature coefficient, providing improved precision for applications requiring tighter component matching or reduced drift over temperature. Both maintain full operating range compatibility (-55°C to 155°C) and ROHS3 compliance.

Upgrade Selection for Highest Precision

RG1005N-4990-W-T1 (Susumu) delivers ±0.05% tolerance with ±10ppm/°C temperature coefficient, the tightest specifications available in this group. This part includes anti-sulfur coating matching the original design and carries AEC-Q200 automotive qualification. Operating range extends to 155°C maximum.

Automotive-Qualified Selection

RG1005P-4990-B-T5 and RG1005P-4990-D-T10 (Susumu) both feature AEC-Q200 automotive qualification with anti-sulfur coating. RG1005P-4990-B-T5 provides ±0.1% tolerance for precision applications, while RG1005P-4990-D-T10 offers ±0.5% tolerance for general-purpose automotive circuits. Both support full -55°C to 155°C operating range.

Temperature-Limited Alternative

RR0510P-4990-D (Susumu) operates to 125°C maximum, restricting use to applications not requiring the full -55°C to 155°C range. This part is suitable only when maximum operating temperature does not exceed 125°C.

Frequently Asked Questions (FAQ)

Q: Can RT0402FRE07499RL replace MCS04020C4990FE000 without circuit modification?

A: Yes. RT0402FRE07499RL is a direct equivalent with identical resistance (499 Ω), tolerance (±1%), power rating (0.063W), temperature coefficient (±50ppm/°C), and operating range (-55°C to 155°C). Package dimensions and compliance certifications are compatible.

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

A: Direct equivalents (RT0402FRE07499RL) maintain the original ±1% tolerance specification. Upgrade substitutes offer tighter tolerance (±0.1% or ±0.05%) and lower temperature coefficient, improving circuit precision and thermal stability. All maintain mechanical and electrical compatibility.

Q: Which substitute part has the best temperature stability?

A: RG1005N-4990-W-T1 provides the lowest temperature coefficient at ±10ppm/°C, compared to ±50ppm/°C for the original part. This reduces resistance drift across the -55°C to 155°C operating range.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, matching the environmental compliance of MCS04020C4990FE000.

Q: Can I use RR0510P-4990-D in applications requiring operation above 125°C?

A: No. RR0510P-4990-D is rated to 125°C maximum, making it unsuitable for applications requiring the full -55°C to 155°C operating range. Use alternative substitutes for full temperature range support.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification confirming the component meets reliability and performance requirements for automotive applications. RG1005N-4990-W-T1, RG1005P-4990-B-T5, and RG1005P-4990-D-T10 carry this certification.

Q: Do all substitute parts have the same physical dimensions?

A: All parts use 0402 (1005 Metric) package with 1.00mm length and 0.50mm width. Height varies slightly: Vishay/YAGEO parts measure 0.35-0.37mm, while Susumu parts measure 0.40mm. These variations remain within standard PCB assembly tolerances.

Q: Which substitute offers the best balance of precision and cost?

A: Selection depends on application requirements. RT0402FRE07499RL provides cost-effective direct replacement. RG1005P-4990-B-T5 balances ±0.1% precision with automotive qualification. RG1005N-4990-W-T1 delivers maximum precision for demanding measurement circuits.

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