RC1608F392CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F392CS is a 3.9 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction, RoHS3 compliance, and MSL 1 rating. 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

RC1608F392CS

Samsung Electro-MechanicsIn Stock: 865RC1608F392CS Datasheet

Current PartRFQ

CR0603-FX-3901ELF

Bourns Inc.In Stock: 93632CR0603-FX-3901ELF Datasheet

DirectRFQ

CRG0603F3K9

TE Connectivity Passive ProductIn Stock: 20755CRG0603F3K9 Datasheet

DirectRFQ

RC0603FR-073K9L

YAGEOIn Stock: 399018RC0603FR-073K9L Datasheet

DirectRFQ

KTR03EZPF3901

Rohm SemiconductorIn Stock: 7581KTR03EZPF3901 Datasheet

UpgradeRFQ

AC0603FR-073K9L

YAGEOIn Stock: 2527AC0603FR-073K9L Datasheet

SimilarRFQ

CRCW06033K90FKEA

Vishay DaleIn Stock: 65641CRCW06033K90FKEA Datasheet

SimilarRFQ

ERJ-3EKF3901V

Panasonic Electronic ComponentsIn Stock: 25144ERJ-3EKF3901V Datasheet

SimilarRFQ

RMCF0603FG3K90

Stackpole Electronics IncIn Stock: 26176RMCF0603FG3K90 Datasheet

SimilarRFQ

RMCF0603FT3K90

Stackpole Electronics IncIn Stock: 118326RMCF0603FT3K90 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F392CS are qualified based on the following critical parameters that determine functional equivalence:

Electrical Parameters:

• Resistance value: 3.9 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.1W / 1/10W (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Parameters:

• Package type: 0603 (1608 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Number of terminations: 2 (exact match required)

Compliance Parameters:

• RoHS3 compliance (required for all substitutes)
• MSL 1 rating (required for all substitutes)
• ECCN EAR99 classification (consistent across all parts)

All substitute parts listed maintain identical electrical and mechanical specifications. Variations in packaging format (Tape & Reel vs. Cut Tape) and optional features (Automotive AEC-Q200 certification, moisture resistance) do not affect core functional equivalence but may influence application suitability.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain full electrical and mechanical compatibility with the RC1608F392CS. Selection among equivalent parts should be based on the following criteria:

Standard Industrial Applications: CR0603-FX-3901ELF (Bourns), CRG0603F3K9 (TE Connectivity), and RC0603FR-073K9L (YAGEO) are direct functional equivalents with identical specifications and moisture-resistant construction where applicable.

Automotive and High-Reliability Applications: KTR03EZPF3901 (Rohm Semiconductor), AC0603FR-073K9L (YAGEO), ERJ-3EKF3901V (Panasonic), RMCF0603FG3K90, and RMCF0603FT3K90 (Stackpole Electronics) carry Automotive AEC-Q200 certification, qualifying them for automotive-grade circuit designs. CRCW06033K90FKEA (Vishay Dale) also carries AEC-Q200 certification.

Packaging Considerations: Tape & Reel packaging is suitable for automated assembly processes. Cut Tape & Digi-Reel packaging accommodates both manual and automated pick-and-place operations. Selection depends on production methodology and inventory management requirements.

Compliance Status: All substitute parts maintain RoHS3 compliance, MSL 1 rating, and REACH Unaffected or Vendor Undefined status, ensuring regulatory compatibility across industrial and consumer applications.

Frequently Asked Questions (FAQ)

Q: Can RC0603FR-073K9L replace RC1608F392CS in any application? A: Yes. RC0603FR-073K9L matches all critical electrical parameters (3.9 kΩ, ±1%, 0.1W), mechanical specifications (0603 package, thick film composition), and compliance requirements (RoHS3, MSL 1). The only difference is packaging format (Cut Tape & Digi-Reel vs. Tape & Reel), which does not affect functional performance.

Q: What is the difference between standard and automotive-grade substitutes? A: Automotive-grade parts (KTR03EZPF3901, AC0603FR-073K9L, ERJ-3EKF3901V, RMCF0603FG3K90, RMCF0603FT3K90, CRCW06033K90FKEA) carry AEC-Q200 certification, indicating qualification for automotive applications with enhanced reliability testing. Standard parts (CR0603-FX-3901ELF, CRG0603F3K9, RC0603FR-073K9L) are suitable for general industrial and consumer applications. Both categories meet identical electrical and mechanical specifications.

Q: Are there dimensional differences between substitute parts? A: All parts conform to 0603 (1608 Metric) package specifications. Minor variations exist in seated height and length/width dimensions within standard tolerances (e.g., CRCW06033K90FKEA: 0.061" L x 0.033" W vs. standard 0.063" L x 0.031" W). These variations remain within PCB design tolerances and do not affect functionality or assembly compatibility.

Q: Which substitute offers the highest inventory availability? A: RC0603FR-073K9L (YAGEO) maintains the highest inventory level at 398,942 pieces. RMCF0603FT3K90 (Stackpole Electronics) offers 118,298 pieces. Both are suitable for high-volume production requirements.

Q: Can I use an automotive-grade part in a non-automotive application? A: Yes. Automotive-grade parts exceed standard industrial requirements and are fully compatible with non-automotive applications. AEC-Q200 certification represents additional qualification, not a restriction. Using automotive-grade parts in standard applications introduces no compatibility issues.

Q: What does MSL 1 rating mean for storage and handling? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture control requirements. These components do not require special desiccant storage or baking procedures prior to assembly, simplifying inventory management and reducing handling costs.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts carry RoHS3 compliance certification, ensuring compliance with European Union Restriction of Hazardous Substances regulations and equivalent global standards.