RCS3216F4423CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F4423CS is a 442 kOhms ±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 anti-sulfur and moisture-resistant characteristics. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance ratings to ensure direct functional equivalence in circuit applications.

Substiute Parts

RCS3216F4423CS

Samsung Electro-MechanicsIn Stock: 1161RCS3216F4423CS Datasheet

Current PartRFQ

CRCW1206442KFKEA

Vishay DaleIn Stock: 8444CRCW1206442KFKEA Datasheet

SimilarRFQ

ERJ-8ENF4423V

Panasonic Electronic ComponentsIn Stock: 29251ERJ-8ENF4423V Datasheet

SimilarRFQ

RC1206FR-07442KL

YAGEOIn Stock: 9396RC1206FR-07442KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F4423CS are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Resistance value: 442 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

• Package designation: 1206 (3216 Metric)
• Number of terminations: 2
• Composition: Thick Film

Compliance Parameters (Must Match):

• RoHS3 Compliant
• MSL 1 (Unlimited)
• REACH Unaffected status

All three substitute parts meet these core requirements. Variations in physical dimensions (length, width, height) and additional features (automotive certification, anti-sulfur properties) do not disqualify substitution when electrical and mechanical specifications align.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CRCW1206442KFKEA (Vishay Dale) and RC1206FR-07442KL (YAGEO) are recommended as primary substitutes. Both maintain Active product status, ensuring long-term availability and continued manufacturing support. CRCW1206442KFKEA includes automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability. RC1206FR-07442KL provides moisture-resistant characteristics aligned with the original RCS3216F4423CS specification.

Secondary Substitute (Legacy Status):

ERJ-8ENF4423V (Panasonic) is classified as Not For New Designs. This part remains electrically and mechanically equivalent but should be used only for replacement or repair of existing assemblies where design continuity is required. New circuit designs should prioritize Active-status alternatives.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard PCB assembly processes and storage requirements. REACH Unaffected status is consistent across all options.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206442KFKEA replace RCS3216F4423CS in any application?

A: Yes. Both parts share identical electrical specifications (442 kOhms ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and package designation (1206). Physical height difference (0.024" vs 0.026") is within standard PCB assembly tolerances and does not affect circuit function.

Q: What is the significance of AEC-Q200 certification on CRCW1206442KFKEA?

A: AEC-Q200 is an automotive qualification standard. This certification indicates the part meets automotive reliability and environmental stress testing requirements. It is not required for non-automotive applications but provides additional assurance of quality and consistency.

Q: Why is ERJ-8ENF4423V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has discontinued active development and promotion of this product line. Existing inventory remains available for replacement purposes, but new circuit designs should select from Active-status alternatives to ensure long-term supply chain stability.

Q: Are there dimensional constraints that affect substitution?

A: All parts conform to 1206 (3216 Metric) package specifications. Seated height variations (0.024" to 0.028") fall within standard PCB assembly clearance margins and do not restrict substitution. Verify PCB layout clearance if height-constrained applications exist.

Q: Do all substitutes require identical storage and handling procedures?

A: Yes. All parts share MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Standard dry storage conditions and handling procedures apply uniformly across all options.

Q: Can substitutes be mixed within a single production batch?

A: Electrical and mechanical equivalence permits substitution. However, manufacturing and quality documentation practices typically require single-source parts per assembly revision. Consult design change control procedures before implementing multi-source strategies.