RC1608F3321CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F3321CS is a 3.32 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental operating parameters to ensure direct functional interchangeability in circuit designs.

Substiute Parts

RC1608F3321CS

Samsung Electro-MechanicsIn Stock: 1166RC1608F3321CS Datasheet

Current PartRFQ

CR0603-FX-3321ELF

Bourns Inc.In Stock: 374989CR0603-FX-3321ELF Datasheet

DirectRFQ

RC0603FR-073K32L

YAGEOIn Stock: 435909RC0603FR-073K32L Datasheet

DirectRFQ

AC0603FR-073K32L

YAGEOIn Stock: 4852AC0603FR-073K32L Datasheet

SimilarRFQ

CRCW06033K32FKEA

Vishay DaleIn Stock: 102419CRCW06033K32FKEA Datasheet

SimilarRFQ

CRCW06033K32FKTA

Vishay DaleIn Stock: 27346CRCW06033K32FKTA Datasheet

SimilarRFQ

ERJ-3EKF3321V

Panasonic Electronic ComponentsIn Stock: 214863ERJ-3EKF3321V Datasheet

SimilarRFQ

RMCF0603FG3K32

Stackpole Electronics IncIn Stock: 50939RMCF0603FG3K32 Datasheet

SimilarRFQ

RMCF0603FT3K32

Stackpole Electronics IncIn Stock: 502163RMCF0603FT3K32 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F3321CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters: Resistance value (3.32 kOhms), tolerance (±1%), and power rating (0.1W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Parameters: Package designation (0603 / 1608 Metric), composition (Thick Film), and number of terminations (2) ensure physical and functional compatibility with existing PCB layouts and assembly processes.

Environmental & Compliance Parameters: Moisture Sensitivity Level (MSL 1), RoHS compliance status, and REACH classification determine suitability for specific manufacturing and end-use environments.

Substitute parts are categorized as Direct Equivalents (matching all parameters including packaging type) or Similar Parts (matching electrical and core mechanical specifications with potential variations in packaging format or automotive certifications).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Highest Compatibility):

CR0603-FX-3321ELF (Bourns Inc.) and RC0603FR-073K32L (YAGEO) provide direct functional equivalence to RC1608F3321CS with matching electrical specifications, operating parameters, and ROHS3 compliance. These parts differ only in packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect circuit performance. Selection between these options depends on procurement and assembly line requirements.

ROHS3 Compliant Automotive-Rated Alternatives:

AC0603FR-073K32L (YAGEO), CRCW06033K32FKEA (Vishay Dale), ERJ-3EKF3321V (Panasonic), RMCF0603FG3K32, and RMCF0603FT3K32 (Stackpole Electronics) meet all electrical and environmental specifications while adding AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and are ROHS3 compliant. Selection among these options is based on packaging format availability and supply chain considerations.

Compliance Consideration:

CRCW06033K32FKTA (Vishay Dale) matches all electrical and mechanical specifications but carries RoHS non-compliant status and REACH Affected classification. This part is suitable only for applications where RoHS exemptions apply or legacy system maintenance is required.

Packaging Format Selection:

Tape & Reel packaging (RC1608F3321CS, CR0603-FX-3321ELF, AC0603FR-073K32L) is standard for high-volume automated assembly. Cut Tape & Digi-Reel format (RC0603FR-073K32L, CRCW06033K32FKEA, ERJ-3EKF3321V, RMCF0603FT3K32) provides flexibility for mixed-volume production. Cut Tape only (RMCF0603FG3K32) is suitable for lower-volume or manual assembly operations.

Frequently Asked Questions (FAQ)

Q: Can RC1608F3321CS be directly replaced with CR0603-FX-3321ELF?

A: Yes. CR0603-FX-3321ELF is a direct equivalent with identical electrical specifications (3.32 kΩ ±1%, 0.1W), operating temperature range (-55°C ~ 155°C), composition (Thick Film), and ROHS3 compliance. The only difference is packaging format (Tape & Reel for both), making it a direct drop-in replacement.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing and traceability requirements. Parts with AEC-Q200 (AC0603FR-073K32L, CRCW06033K32FKEA, ERJ-3EKF3321V, RMCF0603FG3K32, RMCF0603FT3K32) are suitable for automotive and mission-critical applications. Parts without AEC-Q200 (RC1608F3321CS, CR0603-FX-3321ELF, RC0603FR-073K32L) are suitable for general industrial and consumer applications.

Q: Does packaging format (Tape & Reel vs. Cut Tape & Digi-Reel) affect circuit performance?

A: No. Packaging format affects only procurement, storage, and assembly line compatibility. Electrical and mechanical performance is identical across all packaging formats for parts with matching specifications.

Q: Why is CRCW06033K32FKTA listed as RoHS non-compliant?

A: CRCW06033K32FKTA carries RoHS non-compliant status and REACH Affected classification. This part is suitable only for applications where RoHS exemptions are applicable or for legacy system maintenance where compliance requirements do not apply.

Q: Are all substitute parts suitable for the full operating temperature range of -55°C ~ 155°C?

A: Yes. All listed substitute parts are specified for the identical operating temperature range (-55°C ~ 155°C) with matching temperature coefficient (±100ppm/°C), ensuring equivalent thermal performance across the full operating envelope.

Q: What is Moisture Sensitivity Level (MSL) 1, and why is it important?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. All listed parts carry MSL 1 classification, meaning they do not require special moisture-controlled storage or baking procedures prior to assembly, simplifying supply chain and manufacturing logistics.

Q: Can I use RMCF0603FG3K32 (Cut Tape only) in high-volume automated assembly?

A: RMCF0603FG3K32 is supplied in Cut Tape format only, which is not compatible with standard tape-fed pick-and-place equipment used in high-volume production. For automated assembly, select parts available in Tape & Reel or Cut Tape & Digi-Reel format (CR0603-FX-3321ELF, AC0603FR-073K32L, CRCW06033K32FKEA, ERJ-3EKF3321V, RMCF0603FT3K32).

Q: What inventory levels are available for each substitute part?

A: Inventory availability varies by part and supplier. RMCF0603FT3K32 (Stackpole) shows highest availability at 502,075 pieces. RC0603FR-073K32L (YAGEO) has 435,872 pieces. ERJ-3EKF3321V (Panasonic) has 214,839 pieces. CRCW06033K32FKEA (Vishay Dale) has 102,369 pieces. CR0603-FX-3321ELF (Bourns) has 374,879 pieces. RMCF0603FG3K32 has 50,927 pieces. CRCW06033K32FKTA has 27,299 pieces. AC0603FR-073K32L has 4,804 pieces. Verify current availability with suppliers for procurement planning.