RC3225F3572CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F3572CS is a 35.7 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format with 0.333W power rating. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC3225F3572CS serves applications requiring precision resistive elements with moisture resistance in compact surface-mount configurations. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and environmental operating parameters.

Substiute Parts

RC3225F3572CS

Samsung Electro-MechanicsIn Stock: 992RC3225F3572CS Datasheet

Current PartRFQ

ERJ-14NF3572U

Panasonic Electronic ComponentsIn Stock: 20235ERJ-14NF3572U Datasheet

SimilarRFQ

ERJ-P14F3572U

Panasonic Electronic ComponentsIn Stock: 10184ERJ-P14F3572U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225F3572CS are identified based on the following substitution criteria:

Primary Matching Parameters:

• Resistance value: 35.7 kOhms
• Tolerance: ±1%
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS3 compliance
• MSL 1 rating

Allowable Variation:

• Power rating: Substitute parts may have equal or higher power rating (0.5W or greater) while maintaining mechanical and electrical compatibility within the 1210 package envelope

The identified substitute parts meet all critical electrical parameters and package specifications. Differences in power rating represent an uprating scenario where higher power-rated components can functionally replace the original specification without performance degradation in the application circuit.

Parameter Comparison

Engineering Selection Recommendations

For Active Product Designs: The ERJ-P14F3572U is the recommended substitute for new designs. This component maintains Active product status, ensuring long-term availability and manufacturer support. The ERJ-P14F3572U provides identical electrical specifications with enhanced pulse withstanding capability and AEC-Q200 automotive qualification. The 0.5W power rating represents an uprating that improves thermal margin in the application circuit.

For Legacy or Maintenance Applications: The ERJ-14NF3572U is functionally equivalent but carries Not For New Designs status. This part remains suitable for replacement in existing systems where the original RC3225F3572CS is no longer available. Electrical and mechanical compatibility is confirmed across all critical parameters.

Compliance Considerations: Both substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols. No additional environmental or regulatory constraints apply to the substitution.

Mechanical Fit Verification: Dimensional variations exist within acceptable tolerances. The substitute parts exhibit maximum height of 0.028" (0.70mm) compared to the original 0.026" (0.66mm). This 0.002" difference remains within standard PCB assembly clearance specifications for 1210 package components.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P14F3572U directly replace RC3225F3572CS in existing designs?

A: Yes. The ERJ-P14F3572U provides direct functional replacement with identical resistance value (35.7 kOhms), tolerance (±1%), package format (1210), and operating temperature range (-55°C ~ 155°C). The higher power rating (0.5W vs. 0.333W) represents an uprating that does not compromise circuit performance.

Q: What is the significance of the power rating difference between the main part and substitutes?

A: The RC3225F3572CS is rated at 0.333W, while both substitute parts are rated at 0.5W. In substitution scenarios, a higher power rating is acceptable and provides improved thermal performance. The component will operate within its thermal limits at the same current levels as the original specification.

Q: Why is ERJ-14NF3572U marked as Not For New Designs?

A: Product status reflects manufacturer lifecycle management. ERJ-14NF3572U remains available for existing applications but is not recommended for new circuit designs. For new development, ERJ-P14F3572U is the preferred Panasonic equivalent with Active status.

Q: Are there mechanical compatibility concerns with the substitute parts?

A: Substitute parts exhibit minor dimensional variations within the 1210 package specification. Maximum seated height increases from 0.026" to 0.028", a difference of 0.002" that remains within standard PCB assembly clearance tolerances. No mechanical redesign is required.

Q: Do the substitute parts maintain the same environmental ratings?

A: Yes. Both ERJ-14NF3572U and ERJ-P14F3572U maintain MSL 1 (Unlimited) moisture sensitivity level and ROHS3 compliance, matching the original RC3225F3572CS environmental specifications.

Q: What additional features do the Panasonic substitutes provide?

A: The ERJ-P14F3572U includes AEC-Q200 automotive qualification and pulse withstanding capability. These features represent enhancements over the base specification and do not restrict use in non-automotive applications.

Q: Are there packaging format differences between the main part and substitutes?

A: All parts use identical 1210 (3225 Metric) package format. The main part is supplied in standard packaging, while substitute parts are available in Tape & Reel (TR) format, which is standard for high-volume manufacturing operations.