RC1005F1401CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F1401CS is a 1.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device (SMD) 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 support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced environmental protection.

Substiute Parts

RC1005F1401CS

Samsung Electro-MechanicsIn Stock: 812RC1005F1401CS Datasheet

Current PartRFQ

CR0402-FX-1401GLF

Bourns Inc.In Stock: 38374CR0402-FX-1401GLF Datasheet

DirectRFQ

RC0402FR-071K4L

YAGEOIn Stock: 746181RC0402FR-071K4L Datasheet

DirectRFQ

ERJ-2RKF1401X

Panasonic Electronic ComponentsIn Stock: 177539ERJ-2RKF1401X Datasheet

UpgradeRFQ

AC0402FR-071K4L

YAGEOIn Stock: 30018AC0402FR-071K4L Datasheet

SimilarRFQ

AF0402FR-071K4L

YAGEOIn Stock: 20754AF0402FR-071K4L Datasheet

SimilarRFQ

CRCW04021K40FKED

Vishay DaleIn Stock: 144323CRCW04021K40FKED Datasheet

SimilarRFQ

CRCW04021K40FKTD

Vishay DaleIn Stock: 10699CRCW04021K40FKTD Datasheet

SimilarRFQ

RMCF0402FT1K40

Stackpole Electronics IncIn Stock: 24821RMCF0402FT1K40 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F1401CS is determined by strict equivalence across the following critical parameters: resistance value (1.4 kOhms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and moisture sensitivity level (MSL 1). All identified substitute parts maintain these core electrical and mechanical specifications. Substitute parts are grouped into three categories based on additional features and certifications:

Direct Equivalents: Parts with identical specifications including moisture resistant features and standard industrial compliance.

Upgrade Options: Parts with enhanced power rating (0.1W / 1/10W) or automotive AEC-Q200 qualification, suitable for applications requiring higher thermal margin or automotive-grade reliability.

Similar Alternatives: Parts with automotive AEC-Q200 certification, anti-sulfur protection, or alternative packaging configurations that maintain full electrical and thermal compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: RC0402FR-071K4L (YAGEO) and CR0402-FX-1401GLF (Bourns Inc.) provide direct electrical and mechanical equivalence to the RC1005F1401CS. Both maintain ROHS3 compliance, identical power ratings, and moisture sensitivity specifications. RC0402FR-071K4L includes moisture resistant features matching the original part.

For Automotive Applications: AC0402FR-071K4L, AF0402FR-071K4L (YAGEO), CRCW04021K40FKED (Vishay Dale), and RMCF0402FT1K40 (Stackpole Electronics Inc.) are qualified to AEC-Q200 automotive standards while maintaining full electrical compatibility. AF0402FR-071K4L adds anti-sulfur protection for enhanced environmental durability. All automotive-qualified options maintain ROHS3 compliance.

For Enhanced Thermal Performance: ERJ-2RKF1401X (Panasonic Electronic Components) provides upgraded power rating of 0.1W (1/10W) compared to the standard 0.063W, offering increased thermal margin while maintaining AEC-Q200 automotive qualification and ROHS3 compliance.

Compliance Consideration: CRCW04021K40FKTD (Vishay Dale) is RoHS non-compliant and REACH-affected; selection of this part requires explicit compliance verification for target applications and markets.

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-071K4L directly replace RC1005F1401CS in all applications?

A: Yes. RC0402FR-071K4L maintains identical electrical specifications (1.4 kΩ ±1%, 0.063W), package format (0402), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and moisture sensitivity level (MSL 1). Both are ROHS3 compliant. The primary difference is packaging format (Cut Tape vs. Digi-Reel®), which does not affect electrical performance.

Q: What is the difference between standard and automotive-qualified versions?

A: Automotive-qualified parts (AC0402FR-071K4L, AF0402FR-071K4L, CRCW04021K40FKED, RMCF0402FT1K40) carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. These parts undergo additional qualification testing and are suitable for automotive and mission-critical applications. Standard versions (RC1005F1401CS, CR0402-FX-1401GLF, RC0402FR-071K4L) meet industrial specifications without automotive qualification.

Q: Why does ERJ-2RKF1401X have a higher power rating?

A: ERJ-2RKF1401X is rated at 0.1W (1/10W) compared to the standard 0.063W (1/16W). This higher power rating provides increased thermal margin and allows operation at higher power dissipation levels while maintaining the same physical package size (0402). All other electrical parameters remain identical.

Q: What does "Moisture Resistant" mean in the feature list?

A: Moisture resistant thick film resistors incorporate protective coatings or materials that reduce susceptibility to moisture absorption and environmental degradation. RC1005F1401CS and RC0402FR-071K4L include this feature. Parts without this designation (CR0402-FX-1401GLF) still maintain MSL 1 rating but may lack the enhanced protective coating.

Q: Is CRCW04021K40FKTD suitable for new designs?

A: CRCW04021K40FKTD is RoHS non-compliant and REACH-affected. While electrically equivalent, this part is not recommended for new designs targeting markets with RoHS or REACH requirements. CRCW04021K40FKED (ROHS3 compliant version) is the preferred alternative from Vishay Dale.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. Automotive-qualified parts exceed industrial specifications and are fully compatible with non-automotive applications. Using AEC-Q200 qualified parts in standard industrial designs provides enhanced reliability margin without performance compromise.

Q: What is the significance of packaging type (Cut Tape vs. Tape & Reel)?

A: Packaging type affects handling and assembly logistics but not electrical performance. Cut Tape (CT) is suitable for manual assembly or small-volume production. Tape & Reel (TR) is optimized for automated pick-and-place assembly in high-volume manufacturing. Selection depends on production process requirements, not component functionality.