RCS2012F435CS Equivalent & Substitute Parts

Part Overview

The RCS2012F435CS is a 4.3 MOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics. This 0805 (2012 Metric) package component operates at 0.125W (1/8W) power rating with anti-sulfur and moisture-resistant characteristics. The part is Active in product status and ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Substiute Parts

RCS2012F435CS

Samsung Electro-MechanicsIn Stock: 997RCS2012F435CS Datasheet

Current PartRFQ

CRCW08054M30FKEA

Vishay DaleIn Stock: 31136CRCW08054M30FKEA Datasheet

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KTR10EZPF4304

Rohm SemiconductorIn Stock: 7125KTR10EZPF4304 Datasheet

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RC0805FR-074M3L

YAGEOIn Stock: 5072RC0805FR-074M3L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F435CS are qualified based on the following criteria:

Electrical Parameters: Resistance value of 4.3 MOhms, tolerance of ±1%, and power rating of 0.125W (1/8W) must be identical across all substitutes.

Mechanical Parameters: Package designation 0805 (2012 Metric) with two terminations ensures physical and footprint compatibility on printed circuit boards.

Environmental Specifications: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C ~ 155°C must be maintained.

Compliance Requirements: All substitutes must maintain ROHS3 compliance, MSL rating of 1 (Unlimited), and identical composition (Thick Film).

The three qualified substitutes—CRCW08054M30FKEA (Vishay Dale), KTR10EZPF4304 (Rohm Semiconductor), and RC0805FR-074M3L (YAGEO)—meet all these criteria and are direct functional equivalents.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are Active in product status and maintain full ROHS3 compliance with MSL rating 1 (Unlimited), ensuring compatibility with the RCS2012F435CS in standard applications.

CRCW08054M30FKEA (Vishay Dale): This substitute includes Automotive AEC-Q200 qualification, providing enhanced reliability for automotive and industrial applications. The seated height of 0.020" (0.50mm) is the lowest among all options, suitable for space-constrained designs.

KTR10EZPF4304 (Rohm Semiconductor): This substitute combines Automotive AEC-Q200 qualification with High Voltage features, extending application scope to high-voltage circuit environments. Seated height of 0.026" (0.65mm) matches the main part specification.

RC0805FR-074M3L (YAGEO): This substitute maintains Moisture Resistant characteristics aligned with the main part's anti-sulfur and moisture-resistant design. Seated height of 0.024" (0.60mm) provides a mid-range profile option.

Selection among substitutes depends on application-specific requirements: automotive qualification needs, high-voltage operation, or standard industrial use.

Frequently Asked Questions (FAQ)

Q: Can CRCW08054M30FKEA replace RCS2012F435CS in any application?

A: CRCW08054M30FKEA is a direct electrical and mechanical equivalent. All core parameters—resistance, tolerance, power rating, package, temperature coefficient, and operating range—are identical. The primary difference is the addition of Automotive AEC-Q200 qualification and a lower seated height of 0.020" (0.50mm) versus 0.026" (0.66mm). This lower profile may require PCB layout verification in space-constrained designs.

Q: What is the difference between KTR10EZPF4304 and the other substitutes?

A: KTR10EZPF4304 includes both Automotive AEC-Q200 and High Voltage features. All electrical specifications remain identical to RCS2012F435CS. The High Voltage designation indicates suitability for elevated voltage stress applications. Seated height is 0.026" (0.65mm), matching the main part.

Q: Is RC0805FR-074M3L suitable for moisture-sensitive environments?

A: RC0805FR-074M3L carries Moisture Resistant characteristics and maintains MSL rating 1 (Unlimited), identical to RCS2012F435CS. Both parts are suitable for moisture-sensitive environments without additional drying or handling precautions.

Q: Do all substitutes maintain the same temperature performance?

A: All substitutes maintain identical temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C). Temperature performance is equivalent across all parts.

Q: Are there any package or footprint differences?

A: All parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Seated heights vary slightly: CRCW08054M30FKEA at 0.020" (0.50mm), RC0805FR-074M3L at 0.024" (0.60mm), and both RCS2012F435CS and KTR10EZPF4304 at 0.026" (0.65-0.66mm). These variations are within standard PCB assembly tolerances.

Q: Which substitute offers the best availability?

A: CRCW08054M30FKEA (Vishay Dale) has the highest inventory at 31,048 pieces. KTR10EZPF4304 (Rohm) has 7,110 pieces, and RC0805FR-074M3L (YAGEO) has 5,037 pieces available.