RC1608F1403CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1403CS is a 140 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This surface mount device is rated for 0.1W (1/10W) power dissipation with moisture resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 880 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or enhanced performance characteristics.

Substiute Parts

RC1608F1403CS

Samsung Electro-MechanicsIn Stock: 927RC1608F1403CS Datasheet

Current PartRFQ

CR0603-FX-1403ELF

Bourns Inc.In Stock: 61727CR0603-FX-1403ELF Datasheet

DirectRFQ

RC0603FR-07140KL

YAGEOIn Stock: 55477RC0603FR-07140KL Datasheet

DirectRFQ

KTR03EZPF1403

Rohm SemiconductorIn Stock: 5805KTR03EZPF1403 Datasheet

UpgradeRFQ

AC0603FR-07140KL

YAGEOIn Stock: 6084AC0603FR-07140KL Datasheet

SimilarRFQ

CRCW0603140KFKEA

Vishay DaleIn Stock: 37151CRCW0603140KFKEA Datasheet

SimilarRFQ

ERJ-3EKF1403V

Panasonic Electronic ComponentsIn Stock: 116889ERJ-3EKF1403V Datasheet

SimilarRFQ

RMCF0603FT140K

Stackpole Electronics IncIn Stock: 82017RMCF0603FT140K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1403CS is determined by strict equivalence across the following critical parameters: resistance value (140 kOhms), tolerance (±1%), power rating (0.1W), package format (0603 / 1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and regulatory compliance (ROHS3, REACH Unaffected, EAR99). All identified substitute parts match these core electrical and mechanical specifications. Substitute parts are further categorized by additional features: direct equivalents maintain identical moisture resistant characteristics; upgrade options add automotive AEC-Q200 qualification; similar alternatives provide AEC-Q200 certification with minor dimensional variations within acceptable tolerances.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical compatibility with the RC1608F1403CS across core specifications: 140 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. All parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 rating.

Direct Equivalent (Non-Automotive): CR0603-FX-1403ELF (Bourns) and RC0603FR-07140KL (YAGEO) provide direct substitution with identical moisture resistant characteristics and no additional automotive qualification. These options support general industrial applications.

Upgrade Options (Automotive-Qualified): KTR03EZPF1403 (Rohm), AC0603FR-07140KL (YAGEO), CRCW0603140KFKEA (Vishay Dale), ERJ-3EKF1403V (Panasonic), and RMCF0603FT140K (Stackpole) all carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and traceability. KTR03EZPF1403 includes high voltage designation. AC0603FR-07140KL combines AEC-Q200 qualification with moisture resistant construction.

Selection between substitute parts depends on application requirements, supply availability, and procurement specifications. All listed parts are Active status with confirmed inventory availability.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-07140KL replace RC1608F1403CS in a non-automotive application?

A: Yes. RC0603FR-07140KL (YAGEO) matches all core electrical parameters: 140 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. Packaging format differs (Cut Tape & Digi-Reel vs. Tape & Reel), but this does not affect electrical or mechanical compatibility.

Q: What is the difference between the main part and AEC-Q200 qualified substitutes?

A: The RC1608F1403CS is a standard industrial-grade resistor. AEC-Q200 qualified substitutes (KTR03EZPF1403, AC0603FR-07140KL, CRCW0603140KFKEA, ERJ-3EKF1403V, RMCF0603FT140K) undergo additional automotive qualification testing and documentation. All electrical and mechanical specifications remain identical. AEC-Q200 qualification is required only for automotive applications.

Q: Are there dimensional differences between substitute parts?

A: Nominal dimensions are 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). CRCW0603140KFKEA and RMCF0603FT140K show minor length variations (0.061" and 0.061" respectively) and CRCW0603140KFKEA shows width variation (0.033"), with RMCF0603FT140K height at 0.022". These variations remain within 0603 package tolerance and do not affect PCB layout compatibility.

Q: Can I use KTR03EZPF1403 in place of RC1608F1403CS?

A: Yes. KTR03EZPF1403 (Rohm) is electrically and mechanically equivalent with identical resistance, tolerance, power rating, package, and temperature specifications. It includes AEC-Q200 automotive qualification and high voltage designation, making it suitable for both general and automotive applications.

Q: What does MSL 1 rating mean for these resistors?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry MSL 1 rating, confirming no special moisture handling procedures are necessary during storage or assembly.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the RC1608F1403CS.