RC1005F3321CS Equivalent & Substitute Parts Reference

Part Overview

The RC1005F3321CS is a 3.32 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation and operates across the temperature range of -55°C to 155°C. The component features moisture resistance and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). As an active product with 1097 pieces in current inventory, equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as automotive qualification or alternative sourcing options.

Substiute Parts

RC1005F3321CS

Samsung Electro-MechanicsIn Stock: 1171RC1005F3321CS Datasheet

Current PartRFQ

CR0402-FX-3321GLF

Bourns Inc.In Stock: 98334CR0402-FX-3321GLF Datasheet

DirectRFQ

RC0402FR-073K32L

YAGEOIn Stock: 484591RC0402FR-073K32L Datasheet

DirectRFQ

AC0402FR-073K32L

YAGEOIn Stock: 19315AC0402FR-073K32L Datasheet

SimilarRFQ

CRCW04023K32FKED

Vishay DaleIn Stock: 174715CRCW04023K32FKED Datasheet

SimilarRFQ

CRCW04023K32FKTD

Vishay DaleIn Stock: 24355CRCW04023K32FKTD Datasheet

SimilarRFQ

RMCF0402FT3K32

Stackpole Electronics IncIn Stock: 1913838RMCF0402FT3K32 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1005F3321CS is determined by strict equivalence across the following critical parameters: resistance value (3.32 kOhms), tolerance (±1%), power rating (0.063W / 1/16W), 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 meet these core electrical and mechanical specifications. Substitute parts are further categorized by compliance certifications and feature sets: direct equivalents maintain identical specifications including moisture resistance and standard RoHS3 compliance; automotive-qualified substitutes add AEC-Q200 certification for applications requiring automotive-grade reliability; and alternative sourcing options provide equivalent performance from different manufacturers to support supply chain alternatives.

Parameter Comparison

Engineering Selection Recommendations

Direct Electrical Equivalents (Standard Applications)

RC0402FR-073K32L (YAGEO) and CR0402-FX-3321GLF (Bourns Inc.) are direct functional equivalents to the RC1005F3321CS. Both parts maintain identical electrical specifications, package format, and operating parameters. RC0402FR-073K32L includes moisture resistance matching the original part and carries ROHS3 compliance with 484,566 pieces in inventory, providing substantial supply availability. CR0402-FX-3321GLF from Bourns offers an alternative sourcing option with 98,270 pieces available and equivalent ROHS3 compliance status.

Automotive-Qualified Alternatives (AEC-Q200 Applications)

AC0402FR-073K32L (YAGEO), CRCW04023K32FKED (Vishay Dale), and RMCF0402FT3K32 (Stackpole Electronics Inc) are suitable for applications requiring automotive-grade reliability certification. All three parts carry AEC-Q200 qualification and maintain the core electrical specifications of the RC1005F3321CS. AC0402FR-073K32L combines AEC-Q200 certification with moisture resistance and ROHS3 compliance. CRCW04023K32FKED provides AEC-Q200 qualification with ROHS3 compliance and 174,606 pieces in stock. RMCF0402FT3K32 offers the highest inventory availability at 1,913,825 pieces with AEC-Q200 certification and ROHS3 compliance.

Compliance Considerations

CRCW04023K32FKTD (Vishay Dale) carries AEC-Q200 automotive qualification but is marked as RoHS non-compliant and REACH affected. This part is suitable only for applications where RoHS3 compliance is not required. All other substitute parts maintain ROHS3 compliance status matching or exceeding the original RC1005F3321CS specification.

Supply Chain Selection

For standard non-automotive applications requiring direct equivalence, RC0402FR-073K32L is recommended based on high inventory availability (484,566 pieces), moisture resistance feature parity, and ROHS3 compliance. For automotive applications, RMCF0402FT3K32 provides the optimal combination of AEC-Q200 certification, ROHS3 compliance, and maximum inventory depth (1,913,825 pieces).

Frequently Asked Questions (FAQ)

Q: Can RC0402FR-073K32L be used as a direct replacement for RC1005F3321CS?

A: Yes. RC0402FR-073K32L meets all core electrical and mechanical specifications: 3.32 kOhms ±1% resistance, 0.063W power rating, 0402 package format, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 moisture sensitivity. Both parts feature moisture resistance and carry ROHS3 compliance. Footprint and soldering characteristics are identical.

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

A: Automotive-qualified substitutes (AC0402FR-073K32L, CRCW04023K32FKED, RMCF0402FT3K32) carry AEC-Q200 certification, indicating compliance with automotive industry reliability and qualification standards. These parts are suitable for automotive applications where enhanced reliability documentation and qualification testing are required. Standard substitutes (CR0402-FX-3321GLF, RC0402FR-073K32L) meet equivalent electrical specifications but do not carry automotive certification.

Q: Is CRCW04023K32FKTD suitable for new designs?

A: CRCW04023K32FKTD is not recommended for new designs requiring RoHS3 compliance. This part is marked as RoHS non-compliant and REACH affected. It is suitable only for legacy applications or systems where RoHS3 compliance is not a requirement. For new designs, select from ROHS3-compliant alternatives.

Q: Do all substitute parts use the same 0402 package footprint?

A: Yes. All substitute parts use the 0402 (1005 Metric) package format with identical footprint dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm). Maximum seated height specifications are 0.016" (0.40mm) for most parts, with AC0402FR-073K32L at 0.015" (0.37mm). These minor height variations do not affect PCB layout compatibility.

Q: Which substitute offers the best supply availability?

A: RMCF0402FT3K32 (Stackpole Electronics Inc) provides the highest inventory availability at 1,913,825 pieces. This part combines maximum supply depth with AEC-Q200 automotive qualification and ROHS3 compliance, making it suitable for high-volume production and long-term supply security.

Q: Are moisture resistance features equivalent across all substitutes?

A: No. RC1005F3321CS and RC0402FR-073K32L explicitly feature moisture resistance. AC0402FR-073K32L also includes moisture resistance. CR0402-FX-3321GLF, CRCW04023K32FKED, CRCW04023K32FKTD, and RMCF0402FT3K32 do not list moisture resistance as a specified feature. For applications requiring moisture resistance, select RC0402FR-073K32L or AC0402FR-073K32L.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, for electrical and mechanical compatibility. All substitute parts maintain identical resistance value (3.32 kOhms), tolerance (±1%), power rating (0.063W), package format (0402), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). PCB footprints and soldering processes are compatible. Compliance certifications (RoHS3, AEC-Q200) should be verified against design requirements before substitution.