RC3225F1622CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F1622CS is a 16.2 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format. This component is rated for 0.333W (1/3W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the same package footprint and core electrical specifications. Alternative sources become necessary for supply chain continuity, extended lead time mitigation, or when specific certifications such as AEC-Q200 automotive qualification are required for application requirements.

Substiute Parts

RC3225F1622CS

Samsung Electro-MechanicsIn Stock: 935RC3225F1622CS Datasheet

Current PartRFQ

CRCW121016K2FKEA

Vishay DaleIn Stock: 3456CRCW121016K2FKEA Datasheet

SimilarRFQ

ERJ-14NF1622U

Panasonic Electronic ComponentsIn Stock: 16977ERJ-14NF1622U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F1622CS is determined by strict adherence to the following criteria:

Mandatory Matching Parameters:

• Resistance value: 16.2 kOhms
• Tolerance: ±1%
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• RoHS3 compliance
• MSL 1 rating

Allowable Variation:

• Power rating may exceed 0.333W (higher power ratings are acceptable for drop-in replacement)
• Packaging format (bulk vs. Tape & Reel) does not affect electrical substitution
• Additional certifications (such as AEC-Q200) do not prevent substitution but indicate enhanced qualification

The identified substitute parts CRCW121016K2FKEA and ERJ-14NF1622U meet all mandatory electrical and mechanical parameters while offering higher power ratings (0.5W / 1/2W) and automotive-grade certification.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: CRCW121016K2FKEA (Vishay Dale)

The CRCW121016K2FKEA is the preferred substitute for the RC3225F1622CS. Both components maintain Active product status, ensuring continued availability and manufacturer support. The Vishay part offers identical electrical specifications with a higher power rating (0.5W vs. 0.333W), providing additional thermal margin in applications. AEC-Q200 automotive qualification is included, making this part suitable for both general industrial and automotive applications. Dimensional compatibility is confirmed with minimal height variation (0.024" vs. 0.026").

Secondary Substitute: ERJ-14NF1622U (Panasonic Electronic Components)

The ERJ-14NF1622U meets all electrical and mechanical substitution criteria with identical resistance, tolerance, and temperature characteristics. However, this part carries a "Not For New Designs" product status designation, indicating that Panasonic has discontinued active development and support for this component line. While the part remains functionally equivalent and is currently in stock, it should be considered only when CRCW121016K2FKEA availability is constrained or when existing designs require continuity with legacy component sources.

Both substitute parts are ROHS3 compliant with MSL 1 ratings, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can the CRCW121016K2FKEA replace the RC3225F1622CS in existing designs without PCB modification?

A: Yes. Both components use the 1210 (3225 Metric) package with identical footprint dimensions. The CRCW121016K2FKEA has slightly lower maximum seated height (0.024" vs. 0.026"), which does not create clearance issues. No PCB layout changes are required.

Q: What is the significance of the higher power rating on the substitute parts?

A: The CRCW121016K2FKEA and ERJ-14NF1622U are rated for 0.5W (1/2W) compared to the original 0.333W (1/3W). A higher power rating indicates greater thermal capacity and is fully compatible for drop-in replacement. The component will operate within specification in any application where the original part was suitable.

Q: Why is the ERJ-14NF1622U marked "Not For New Designs"?

A: This designation indicates that Panasonic has transitioned this product line to end-of-life status and is not recommending it for new circuit designs. While the part remains electrically and mechanically equivalent, it should not be selected for new product development. The CRCW121016K2FKEA with Active status is the recommended choice for new designs.

Q: Are there any compliance or certification differences between these parts?

A: All three parts are ROHS3 compliant and REACH unaffected. The CRCW121016K2FKEA and ERJ-14NF1622U include AEC-Q200 automotive qualification, which the RC3225F1622CS does not specify. This additional certification does not prevent substitution and may be beneficial for applications requiring automotive-grade components.

Q: What is the impact of the ±100ppm/°C temperature coefficient on substitution?

A: All three parts share identical temperature coefficient specifications. This parameter is critical for precision applications requiring stable resistance across temperature variations. The matching coefficient ensures equivalent performance in temperature-sensitive circuits.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Electrical and mechanical substitution is confirmed. However, high-reliability applications may have additional qualification requirements beyond the parameters specified here. Consult application-specific standards and design documentation to determine if component-level qualification testing or design validation is required.