RC1005F3401CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F3401CS is a 3.4 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 maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, or application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC1005F3401CS

Samsung Electro-MechanicsIn Stock: 1143RC1005F3401CS Datasheet

Current PartRFQ

CR0402-FX-3401GLF

Bourns Inc.In Stock: 64051CR0402-FX-3401GLF Datasheet

DirectRFQ

RC0402FR-073K4L

YAGEOIn Stock: 255180RC0402FR-073K4L Datasheet

DirectRFQ

ERJ-2RKF3401X

Panasonic Electronic ComponentsIn Stock: 490504ERJ-2RKF3401X Datasheet

UpgradeRFQ

AC0402FR-073K4L

YAGEOIn Stock: 188172AC0402FR-073K4L Datasheet

SimilarRFQ

CRCW04023K40FKED

Vishay DaleIn Stock: 29857CRCW04023K40FKED Datasheet

SimilarRFQ

RMCF0402FT3K40

Stackpole Electronics IncIn Stock: 55276RMCF0402FT3K40 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F3401CS are classified based on strict electrical and mechanical parameter matching. All identified substitutes maintain the following core parameters: 3.4 kOhms resistance value, ±1% tolerance, 0402 (1005 Metric) package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating temperature range, ROHS3 compliance, and MSL 1 rating.

Direct Equivalents share identical power ratings (0.063W / 1/16W) and moisture resistant features with the main part:

• CR0402-FX-3401GLF (Bourns Inc.)
• RC0402FR-073K4L (YAGEO)

Upgrade Substitute provides enhanced power rating (0.1W / 1/10W) with automotive AEC-Q200 qualification:

• ERJ-2RKF3401X (Panasonic Electronic Components)

Similar Substitutes maintain the 0.063W power rating with automotive AEC-Q200 qualification and/or moisture resistant features:

• AC0402FR-073K4L (YAGEO)
• CRCW04023K40FKED (Vishay Dale)
• RMCF0402FT3K40 (Stackpole Electronics Inc)

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Non-Automotive Applications): CR0402-FX-3401GLF and RC0402FR-073K4L serve as direct electrical and mechanical equivalents to RC1005F3401CS. Both maintain identical resistance, tolerance, power rating, package dimensions, and temperature specifications. RC0402FR-073K4L includes moisture resistant features matching the original part. Selection between these options depends on supplier availability and inventory status.

For Automotive Applications: AC0402FR-073K4L, CRCW04023K40FKED, and RMCF0402FT3K40 incorporate AEC-Q200 automotive qualification while maintaining the 0.063W power rating and 0402 package. AC0402FR-073K4L additionally provides moisture resistant characteristics. These parts are suitable for automotive-grade circuit designs requiring enhanced reliability standards.

For Enhanced Power Dissipation: ERJ-2RKF3401X provides an upgrade path with 0.1W (1/10W) power rating, doubling the power handling capacity of the original RC1005F3401CS while maintaining all other electrical parameters. This part includes AEC-Q200 automotive qualification. Selection of this upgrade is appropriate when circuit design requires higher power dissipation margins or when transitioning to automotive-qualified component specifications.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and the specified operating temperature range, ensuring compatibility with existing assembly and storage processes.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-3401GLF directly replace RC1005F3401CS in all applications?

A: CR0402-FX-3401GLF matches all critical electrical parameters (3.4 kOhms, ±1%, 0.063W, ±100ppm/°C) and package specifications (0402). The primary difference is the absence of documented moisture resistant features in the Bourns part specification. For applications where moisture resistance is not a design requirement, direct substitution is valid. For moisture-sensitive environments, RC0402FR-073K4L is preferred.

Q: What is the difference between the 0.063W and 0.1W power ratings?

A: The RC1005F3401CS is rated at 0.063W (1/16W), while ERJ-2RKF3401X is rated at 0.1W (1/10W). The 0.1W rating provides higher power dissipation capability. In circuits where the resistor dissipates power below 0.063W, both parts function identically. The 0.1W part is suitable for applications requiring higher power margins or when circuit redesign increases power dissipation through this resistor.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive designs?

A: Yes. Automotive-qualified parts such as AC0402FR-073K4L, CRCW04023K40FKED, and RMCF0402FT3K40 meet or exceed the electrical and reliability specifications of non-automotive equivalents. These parts can be used in non-automotive applications without functional or compatibility issues. Selection of automotive-qualified parts may increase component cost.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including the main part and substitutes, carry MSL 1 rating, meaning they do not require special moisture control during storage or handling prior to assembly.

Q: Are there dimensional differences between substitute parts?

A: All parts maintain the 0402 (1005 Metric) package with nominal dimensions of 1.00mm length × 0.50mm width. Maximum seated height specifications are 0.016" (0.40mm) for most parts, with AC0402FR-073K4L specified at 0.015" (0.37mm). These minor height variations are within standard PCB assembly tolerances and do not affect placement or soldering processes.

Q: Which substitute offers the best overall compatibility?

A: RC0402FR-073K4L (YAGEO) provides the closest match to RC1005F3401CS, maintaining identical power rating, moisture resistant features, and all electrical parameters. This part is recommended as the primary substitute when direct equivalence is required. For automotive applications, AC0402FR-073K4L provides equivalent functionality with AEC-Q200 qualification.