RC3216F21R0CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F21R0CS is a 21 Ohm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the original component's performance envelope, enabling direct replacement in circuit applications without functional degradation.

Substiute Parts

RC3216F21R0CS

Samsung Electro-MechanicsIn Stock: 1126RC3216F21R0CS Datasheet

Current PartRFQ

RC1206FR-0721RL

YAGEOIn Stock: 19114RC1206FR-0721RL Datasheet

DirectRFQ

CRCW120621R0FKEA

Vishay DaleIn Stock: 15686CRCW120621R0FKEA Datasheet

SimilarRFQ

ERJ-8ENF21R0V

Panasonic Electronic ComponentsIn Stock: 45598ERJ-8ENF21R0V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F21R0CS is determined by strict alignment of the following parameters:

Electrical Specifications: Resistance value (21 Ohms), tolerance (±1%), and power rating (0.25W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (1206 / 3216 Metric) and termination count (2) are mandatory. Physical dimensions and height specifications must accommodate PCB layout and assembly processes.

Environmental & Compliance Requirements: ROHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status ensure regulatory alignment. Composition (thick film) and features (moisture resistant) define material and environmental performance characteristics.

Product Status Consideration: Active status indicates ongoing manufacturing and supply availability. Parts with "Not For New Designs" status remain functionally equivalent but may have supply constraints.

Identified substitute parts meet all mandatory electrical and mechanical parameters. Packaging format (Tape & Reel) and minor dimensional variations within tolerance do not affect functional substitution.

Parameter Comparison

Engineering Selection Recommendations

RC1206FR-0721RL (YAGEO): This part maintains Active product status with identical electrical and mechanical specifications to the RC3216F21R0CS. ROHS3 compliance and MSL 1 rating confirm regulatory alignment. Tape & Reel packaging and minor dimensional variations (3.10mm vs 3.20mm length, 0.65mm vs 0.66mm height) fall within acceptable tolerances for direct substitution in standard PCB assembly processes.

CRCW120621R0FKEA (Vishay Dale): This component is qualified to AEC-Q200 automotive standard, providing enhanced reliability certification beyond the base specification. Active product status, ROHS3 compliance, and identical electrical parameters enable substitution. Dimensional specifications (3.20mm length, 0.60mm height) align with original component requirements. Automotive qualification adds value for applications requiring enhanced quality assurance.

ERJ-8ENF21R0V (Panasonic Electronic Components): This part carries "Not For New Designs" product status, indicating discontinued development phase. However, electrical specifications, mechanical compatibility, and environmental ratings remain equivalent to the RC3216F21R0CS. AEC-Q200 automotive qualification is present. This part is suitable for replacement in existing designs but should not be selected for new product development due to supply lifecycle constraints.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0721RL directly replace RC3216F21R0CS without circuit redesign?

A: Yes. Both components share identical resistance (21 Ohms), tolerance (±1%), power rating (0.25W), package designation (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C ~ 155°C). Dimensional variations are within acceptable assembly tolerances.

Q: What is the significance of AEC-Q200 qualification on CRCW120621R0FKEA?

A: AEC-Q200 is an automotive industry standard for passive components. This certification indicates enhanced reliability testing and quality control. The part remains functionally equivalent to the non-qualified RC3216F21R0CS but provides additional assurance for automotive or high-reliability applications.

Q: Why is ERJ-8ENF21R0V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and is transitioning the product to end-of-life status. The component remains electrically and mechanically equivalent but may face future supply availability constraints. Use in existing production is acceptable; avoid selection for new product designs.

Q: Are packaging format differences (Tape & Reel vs other formats) significant for substitution?

A: Packaging format affects supply chain logistics and assembly automation compatibility but does not impact electrical or mechanical performance. All identified substitutes use Tape & Reel packaging, standard for high-volume SMD assembly. Format compatibility should be verified with procurement and assembly processes.

Q: Do dimensional variations between substitute parts affect PCB layout?

A: Minor dimensional variations (length 3.10mm to 3.20mm, height 0.60mm to 0.70mm) are within standard 1206 package tolerances and do not require PCB layout modification. Assembly equipment and solder reflow profiles remain unchanged.

Q: Is ROHS3 compliance mandatory for all substitutes?

A: All identified substitute parts maintain ROHS3 compliance, matching the original RC3216F21R0CS specification. This ensures regulatory alignment for applications subject to RoHS directives.