RC1005F3741CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F3741CS is a 3.74 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with moisture resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F3741CS

Samsung Electro-MechanicsIn Stock: 739RC1005F3741CS Datasheet

Current PartRFQ

CR0402-FX-3741GLF

Bourns Inc.In Stock: 39551CR0402-FX-3741GLF Datasheet

DirectRFQ

RC0402FR-073K74L

YAGEOIn Stock: 213653RC0402FR-073K74L Datasheet

DirectRFQ

ERJ-2RKF3741X

Panasonic Electronic ComponentsIn Stock: 105842ERJ-2RKF3741X Datasheet

UpgradeRFQ

AC0402FR-073K74L

YAGEOIn Stock: 14778AC0402FR-073K74L Datasheet

SimilarRFQ

CRCW04023K74FKED

Vishay DaleIn Stock: 43510CRCW04023K74FKED Datasheet

SimilarRFQ

RMCF0402FT3K74

Stackpole Electronics IncIn Stock: 46326RMCF0402FT3K74 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F3741CS is determined by strict equivalence across the following critical parameters: resistance value (3.74 kOhms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Substitute parts are categorized as follows:

Direct Equivalents: Parts meeting all electrical and mechanical specifications with identical power ratings (0.063W) and moisture resistant features. These include CR0402-FX-3741GLF (Bourns Inc.) and RC0402FR-073K74L (YAGEO).

Upgrade Substitutes: Parts exceeding the original power rating specification while maintaining all other parameters. ERJ-2RKF3741X (Panasonic Electronic Components) provides 0.1W (1/10W) rating with automotive AEC-Q200 qualification, suitable for applications requiring enhanced thermal margin.

Similar Substitutes: Parts with identical electrical specifications and package format but incorporating additional certifications or feature enhancements. AC0402FR-073K74L (YAGEO), CRCW04023K74FKED (Vishay Dale), and RMCF0402FT3K74 (Stackpole Electronics Inc.) all include automotive AEC-Q200 qualification, making them suitable for automotive and industrial applications requiring enhanced reliability standards.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical compatibility with the RC1005F3741CS across the specified parameter set. Selection among equivalent options should be based on the following criteria:

For Standard Industrial Applications: CR0402-FX-3741GLF (Bourns Inc.) and RC0402FR-073K74L (YAGEO) provide direct equivalence with identical power ratings and moisture resistant characteristics. Both are in active production with ROHS3 compliance and unlimited MSL rating.

For Automotive and High-Reliability Applications: AC0402FR-073K74L (YAGEO), CRCW04023K74FKED (Vishay Dale), and RMCF0402FT3K74 (Stackpole Electronics Inc.) incorporate AEC-Q200 automotive qualification while maintaining the 0.063W power rating and moisture resistant features. These parts are suitable for automotive, industrial control, and mission-critical applications requiring enhanced qualification standards.

For Thermally Demanding Applications: ERJ-2RKF3741X (Panasonic Electronic Components) provides an upgrade path with 0.1W power rating and AEC-Q200 qualification. This part is appropriate for applications where thermal margin enhancement is required without changing the 0402 package footprint or resistance value.

All substitute parts are currently in active production status with ROHS3 compliance, REACH Unaffected status, and EAR99 export classification, matching the regulatory profile of the original part.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-3741GLF be used as a direct replacement for RC1005F3741CS?

A: Yes. CR0402-FX-3741GLF meets all electrical specifications (3.74 kOhms ±1%, 0.063W, ±100ppm/°C, -55°C to 155°C) and package requirements (0402 / 1005 Metric). Both parts are ROHS3 compliant with MSL 1 rating. The primary difference is the absence of explicit moisture resistant feature designation in the Bourns part specification, though both carry MSL 1 (Unlimited) rating.

Q: What is the difference between the RC1005F3741CS and ERJ-2RKF3741X?

A: The primary difference is power rating: RC1005F3741CS is rated at 0.063W (1/16W), while ERJ-2RKF3741X is rated at 0.1W (1/10W). All other electrical parameters (resistance, tolerance, temperature coefficient, operating range) are identical. ERJ-2RKF3741X includes automotive AEC-Q200 qualification. The higher power rating of the Panasonic part provides enhanced thermal capability for applications with greater power dissipation requirements.

Q: Are automotive-qualified parts (AC0402FR-073K74L, CRCW04023K74FKED, RMCF0402FT3K74) suitable for non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed the specifications required for standard industrial applications. AEC-Q200 qualification indicates enhanced reliability testing and quality assurance. These parts are fully compatible with non-automotive designs and may be selected for applications requiring higher reliability standards.

Q: What is the significance of the 0402 package designation?

A: The 0402 package (1005 Metric) is a standardized surface mount resistor format measuring 0.039" L × 0.020" W (1.00mm × 0.50mm) with a maximum seated height of 0.016" (0.40mm). All listed substitute parts use this identical package format, ensuring mechanical and electrical compatibility on PCB layouts designed for the RC1005F3741CS.

Q: Can these parts be used interchangeably in high-frequency or RF applications?

A: All listed parts are thick film chip resistors with ±100ppm/°C temperature coefficient and identical electrical specifications. Interchangeability in high-frequency applications depends on circuit-specific requirements such as parasitic inductance, frequency response, and impedance matching. Consult component datasheets for frequency-dependent characteristics if required for RF or high-frequency circuit design.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. These parts do not require dry-pack storage or baking prior to reflow soldering, simplifying procurement and assembly logistics.

Q: Are all substitute parts available in Tape & Reel (TR) packaging?

A: Most substitute parts are available in Tape & Reel packaging. CRCW04023K74FKED is specified as available in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging format with supplier documentation if specific reel specifications are required for automated assembly equipment.