RC3225J431CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225J431CS is a 430 Ohm ±5% 1/3W chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and maintains ROHS3 compliance with MSL 1 rating. The part is currently active in production with 973 pieces in stock inventory. Equivalent and substitute parts are identified when identical resistance values and package specifications are maintained while allowing variations in tolerance, power rating, and manufacturer designation that remain within acceptable electrical and mechanical parameters for the application.

Substiute Parts

RC3225J431CS

Samsung Electro-MechanicsIn Stock: 1032RC3225J431CS Datasheet

Current PartRFQ

RC1210FR-07430RL

YAGEOIn Stock: 3186RC1210FR-07430RL Datasheet

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RC1210JR-07430RL

YAGEOIn Stock: 10133RC1210JR-07430RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225J431CS are qualified based on the following mandatory parameters:

Fixed Parameters (Must Match Exactly):

• Resistance value: 430 Ohms
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Features: Moisture Resistant
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Variable Parameters (Allowed to Differ):

• Tolerance: ±5% (original) to ±1% (substitute acceptable)
• Power Rating: 0.333W (original) to 0.5W (substitute acceptable)
• Manufacturer: Samsung Electro-Mechanics (original) to YAGEO (substitute acceptable)
• Series designation: RC (original) to RC_L (substitute acceptable)
• Packaging format: Bulk to Tape & Reel (TR)

The two identified substitute parts maintain all fixed parameters while offering improved tolerance specifications and increased power dissipation capability, making them suitable for direct replacement in applications where the original part is unavailable or where enhanced performance margins are beneficial.

Parameter Comparison

Engineering Selection Recommendations

RC1210JR-07430RL (YAGEO) is a direct functional equivalent to the RC3225J431CS. Both parts maintain identical resistance values, tolerance specifications, and package dimensions within acceptable mechanical tolerances. The RC1210JR-07430RL provides increased power dissipation capability (0.5W versus 0.333W) while preserving all thermal and environmental operating characteristics. Both parts carry ROHS3 compliance and MSL 1 ratings, confirming suitability for equivalent application deployment. Inventory availability for RC1210JR-07430RL is 10,094 pieces.

RC1210FR-07430RL (YAGEO) offers enhanced tolerance specification (±1% versus ±5%) while maintaining all other electrical and mechanical parameters identical to the original part. This substitute provides superior resistance value accuracy and increased power rating. ROHS3 and REACH compliance certifications are maintained. Inventory availability for RC1210FR-07430RL is 3,086 pieces.

Both YAGEO substitutes are qualified for direct replacement based on active product status, identical package specifications, matching thermal coefficients, and equivalent environmental ratings. Selection between the two YAGEO options depends on application tolerance requirements and power dissipation margins.

Frequently Asked Questions (FAQ)

Q: Can RC1210JR-07430RL replace RC3225J431CS in all applications?

A: Yes. Both parts share identical 430 Ohm resistance, ±5% tolerance, 1210 package, thick film composition, and operating temperature range (-55°C to 155°C). The RC1210JR-07430RL provides higher power rating (0.5W versus 0.333W), making it suitable for equivalent or more demanding thermal conditions. Mechanical dimensions are within acceptable tolerances for PCB footprint compatibility.

Q: What is the difference between RC1210JR-07430RL and RC1210FR-07430RL?

A: The primary difference is tolerance specification. RC1210JR-07430RL maintains ±5% tolerance matching the original part, while RC1210FR-07430RL provides ±1% tolerance for applications requiring tighter resistance value accuracy. Both share identical 430 Ohm resistance, 0.5W power rating, 1210 package, and operating parameters.

Q: Are the physical dimensions compatible with the original PCB layout?

A: Yes. The RC3225J431CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" maximum seated height. YAGEO substitutes measure 0.122" L x 0.102" W (3.10mm x 2.60mm) with 0.024" maximum seated height. These dimensional variations are within standard PCB footprint tolerances for 1210 package components and do not require layout modifications.

Q: Do the substitute parts maintain RoHS and REACH compliance?

A: Yes. Both RC1210JR-07430RL and RC1210FR-07430RL are ROHS3 compliant and REACH unaffected, matching the compliance status of the original RC3225J431CS.

Q: What is the moisture sensitivity level for substitute parts?

A: Both YAGEO substitutes maintain MSL 1 (Unlimited) rating, identical to the original part. This indicates no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: Which substitute should be selected for cost optimization?

A: RC1210JR-07430RL offers the most direct cost-equivalent replacement, maintaining ±5% tolerance while providing increased power capability. RC1210FR-07430RL is selected when application specifications require ±1% tolerance accuracy.