RC3225F3401CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F3401CS is a 3.4 kOhms ±1% 1/3W chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This moisture-resistant thick film resistor operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently in active production status with 804 units in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this resistor category.

Substiute Parts

RC3225F3401CS

Samsung Electro-MechanicsIn Stock: 828RC3225F3401CS Datasheet

Current PartRFQ

ERJ-14NF3401U

Panasonic Electronic ComponentsIn Stock: 4901ERJ-14NF3401U Datasheet

SimilarRFQ

RMCF1210FT3K40

Stackpole Electronics IncIn Stock: 4877RMCF1210FT3K40 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F3401CS is determined by the following criteria:

Mandatory Matching Parameters:

• Resistance value: 3.4 kOhms
• Tolerance: ±1%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS Status: ROHS3 Compliant

Allowable Variation:

• Power Rating: Substitute parts may have equal or higher power ratings (0.5W or greater is acceptable for 0.333W applications)
• Packaging Format: Original part uses standard packaging; substitutes may differ in tape format (Tape & Reel or Cut Tape)
• Product Status: Active or Not For New Designs status does not disqualify substitution based on electrical equivalence

Two substitute parts meet these criteria with identical electrical specifications and compatible mechanical dimensions.

Parameter Comparison

Engineering Selection Recommendations

ERJ-14NF3401U (Panasonic Electronic Components)

This substitute provides electrical equivalence with identical resistance, tolerance, and temperature coefficient specifications. The part features AEC-Q200 automotive qualification and higher power rating (0.5W vs. 0.333W), providing additional thermal margin. Mechanical dimensions are compatible with 1210 package footprints. Product status is listed as Not For New Designs, indicating this part may have limited long-term availability. Selection is appropriate for replacement or retrofit applications where automotive-grade reliability is beneficial.

RMCF1210FT3K40 (Stackpole Electronics Inc)

This substitute maintains full electrical equivalence with identical resistance, tolerance, and temperature coefficient. The part carries AEC-Q200 automotive qualification and 0.5W power rating. Product status is Active, indicating ongoing manufacturing and availability. Mechanical compatibility with 1210 package is confirmed. This part is suitable for both new designs and replacement applications.

Both substitutes are ROHS3 compliant with MSL 1 rating and REACH Unaffected status, matching the compliance profile of the main part.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF3401U replace RC3225F3401CS in existing designs?

A: Yes. Both parts share identical electrical specifications (3.4 kOhms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and are mechanically compatible in 1210 package footprints. The higher power rating (0.5W vs. 0.333W) does not prevent substitution. Note that ERJ-14NF3401U is listed as Not For New Designs, so availability may be limited for future procurement.

Q: Can RMCF1210FT3K40 replace RC3225F3401CS in new designs?

A: Yes. RMCF1210FT3K40 provides complete electrical and mechanical equivalence with Active product status, confirming ongoing availability. This part is suitable for new design implementations.

Q: What is the difference in physical dimensions between these parts?

A: RC3225F3401CS measures 0.126" L x 0.100" W with 0.026" maximum seated height. Both substitutes measure 0.126" L x 0.098" W with 0.028" maximum seated height. These dimensional variations remain within 1210 package tolerance specifications and do not affect PCB footprint compatibility.

Q: Why do the substitute parts have higher power ratings?

A: ERJ-14NF3401U and RMCF1210FT3K40 are rated at 0.5W (1/2W) compared to the main part's 0.333W (1/3W). Higher power ratings indicate greater thermal dissipation capability and do not create incompatibility. These parts can be used in applications requiring the original 0.333W specification without derating concerns.

Q: Are all three parts ROHS3 compliant?

A: Yes. RC3225F3401CS, ERJ-14NF3401U, and RMCF1210FT3K40 are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level and REACH Unaffected status.

Q: What does "Not For New Designs" mean for ERJ-14NF3401U?

A: This designation indicates the part is in mature or declining production phase. While electrically and mechanically equivalent, long-term availability may be limited. For new design implementations, RMCF1210FT3K40 with Active status is the preferred choice.

Q: Do the substitute parts require different PCB layout considerations?

A: No. All three parts use identical 1210 (3225 Metric) package specifications. PCB footprints, land patterns, and assembly processes remain unchanged.