MCS04020D1872BE100 Equivalent & Substitute Parts

Part Overview

The MCS04020D1872BE100 is a precision thin film chip resistor manufactured by Vishay Beyschlag/Draloric/BC Components. This 18.7 kOhm ±0.1% 1/16W (0.063W) 0402 (1005 Metric) component is designed for applications requiring high accuracy and stability. The part features anti-sulfur construction and operates across -55°C to 125°C. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), substitute parts are identified for inventory optimization, supply chain flexibility, and application-specific requirements such as extended temperature ranges or enhanced power ratings.

Key Parameters

Parameter	Value
Resistance	18.7 kOhms
Tolerance	±0.1%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 125°C
Terminations	2
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCS04020D1872BE100 is determined by the following mandatory parameters:

Resistance value: 18.7 kOhms (exact match required)
Tolerance: ±0.1% (exact match required)
Package: 0402 (1005 Metric) (exact match required)
Composition: Thin Film (exact match required)
Temperature Coefficient: ±25ppm/°C (exact match required)
Terminations: 2 (exact match required)
RoHS Status: ROHS3 Compliant (minimum requirement)
MSL Rating: 1 (Unlimited) (minimum requirement)

The identified substitute parts meet all mandatory electrical and mechanical parameters. Variations in power rating, operating temperature range, and additional features (such as anti-sulfur or automotive qualification) do not disqualify substitution but may be relevant for specific application requirements.

Parameter Comparison

Parameter	MCS04020D1872BE100	CPF0402B18K7E1	RT0402BRD0718K7L	TNPW040218K7BEED
Manufacturer	Vishay Beyschlag/Draloric/BC Components	TE Connectivity Passive Product	YAGEO	Vishay Dale
Resistance	18.7 kOhms	18.7 kOhms	18.7 kOhms	18.7 kOhms
Tolerance	±0.1%	±0.1%	±0.1%	±0.1%
Power Rating	0.063W (1/16W)	0.063W (1/16W)	0.063W (1/16W)	0.13W
Package	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)	0402 (1005 Metric)
Composition	Thin Film	Thin Film	Thin Film	Thin Film
Temperature Coefficient	±25ppm/°C	±25ppm/°C	±25ppm/°C	±25ppm/°C
Operating Temperature Range	-55°C to 125°C	-55°C to 155°C	-55°C to 155°C	-55°C to 175°C
Size/Dimension	0.039" L x 0.020" W (1.00mm x 0.50mm)	0.039" L x 0.020" W (1.00mm x 0.50mm)	0.039" L x 0.020" W (1.00mm x 0.50mm)	0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)	0.015" (0.37mm)	0.014" (0.35mm)	0.014" (0.35mm)	0.016" (0.40mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three substitute parts—CPF0402B18K7E1 (TE Connectivity), RT0402BRD0718K7L (YAGEO), and TNPW040218K7BEED (Vishay Dale)—meet the mandatory electrical and mechanical specifications for direct substitution with the MCS04020D1872BE100.

CPF0402B18K7E1 and RT0402BRD0718K7L provide extended operating temperature ranges (-55°C to 155°C) compared to the main part (-55°C to 125°C), with identical power ratings and physical dimensions. Both maintain ROHS3 compliance and unlimited MSL rating.

TNPW040218K7BEED offers the widest operating temperature range (-55°C to 175°C) and higher power rating (0.13W versus 0.063W), with additional features including anti-sulfur construction, automotive AEC-Q200 qualification, and moisture resistance. This part is suitable for applications requiring enhanced thermal performance or automotive-grade reliability.

All substitute parts are active products with current inventory availability and full regulatory compliance (ROHS3, REACH Unaffected, EAR99 ECCN classification).

Frequently Asked Questions (FAQ)

Q: Can CPF0402B18K7E1 be used as a direct replacement for MCS04020D1872BE100?

A: Yes. Both parts share identical resistance (18.7 kOhms), tolerance (±0.1%), power rating (0.063W), package (0402), composition (thin film), and temperature coefficient (±25ppm/°C). The CPF0402B18K7E1 provides an extended operating temperature range (-55°C to 155°C) and is physically compatible with identical footprint dimensions.

Q: What is the difference between RT0402BRD0718K7L and TNPW040218K7BEED?

A: Both are electrically equivalent to the main part in resistance, tolerance, and temperature coefficient. RT0402BRD0718K7L (YAGEO) operates to 155°C with 0.063W power rating. TNPW040218K7BEED (Vishay Dale) operates to 175°C with 0.13W power rating and includes anti-sulfur, AEC-Q200 automotive qualification, and moisture-resistant features. Selection depends on application temperature requirements and automotive compliance needs.

Q: Are there physical compatibility concerns when substituting these parts?

A: All substitute parts use the 0402 (1005 Metric) package with identical length and width (0.039" x 0.020"). Seated heights vary slightly: MCS04020D1872BE100 (0.015"), CPF0402B18K7E1 and RT0402BRD0718K7L (0.014"), and TNPW040218K7BEED (0.016"). These minor variations are within standard PCB assembly tolerances and do not affect footprint compatibility.

Q: Which substitute part should be selected for extended temperature applications?

A: TNPW040218K7BEED supports the widest operating temperature range (-55°C to 175°C) and is the appropriate choice for applications requiring operation beyond 125°C. CPF0402B18K7E1 and RT0402BRD0718K7L extend to 155°C and are suitable for moderate temperature elevation requirements.

Q: Do all substitute parts meet the same regulatory requirements as the main part?

A: Yes. All substitute parts are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes, matching the regulatory status of MCS04020D1872BE100.

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