RC3225F431CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F431CS is a 430 Ohms ±1% 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 is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 1166 units in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across alternative manufacturers, enabling procurement flexibility and supply chain continuity.

Substiute Parts

RC3225F431CS

Samsung Electro-MechanicsIn Stock: 1234RC3225F431CS Datasheet

Current PartRFQ

RC1210FR-07430RL

YAGEOIn Stock: 3186RC1210FR-07430RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225F431CS are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is as follows:

Critical Matching Parameters:

• Resistance value: 430 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• Moisture Resistance: Required feature
• RoHS3 Compliance: Required
• MSL 1 Rating: Required

Allowable Variation:

• Power Rating: The substitute part RC1210FR-07430RL is rated at 0.5W (1/2W), which exceeds the original 0.333W (1/3W) specification. Higher power ratings are acceptable as they provide additional thermal margin without affecting circuit performance in applications designed for the original part.

The RC1210FR-07430RL from YAGEO meets all critical parameters and maintains full compatibility with the RC3225F431CS in equivalent circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The RC1210FR-07430RL from YAGEO is a direct electrical and mechanical equivalent to the RC3225F431CS from Samsung Electro-Mechanics. Both parts maintain identical resistance, tolerance, temperature coefficient, and operating temperature specifications. Both are ROHS3 compliant with MSL 1 ratings, ensuring equivalent environmental and regulatory compliance.

The RC1210FR-07430RL provides a higher power rating (0.5W versus 0.333W), which represents a performance enhancement rather than a limitation. This increased power dissipation capability ensures the substitute part operates within safe thermal margins in all applications designed for the original specification.

Selection between these parts should be based on procurement availability, lead time requirements, and packaging format preferences. The YAGEO part is available in Tape & Reel format with 3086 units in stock, compared to 1166 units of the Samsung part. Both parts are active products with established supply chains.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-07430RL replace RC3225F431CS in all applications?

A: Yes. The YAGEO RC1210FR-07430RL is electrically and mechanically equivalent to the Samsung RC3225F431CS. Both parts share identical resistance (430 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and package dimensions (1210 / 3225 Metric). The higher power rating of the substitute part (0.5W vs. 0.333W) provides additional thermal margin without affecting circuit performance.

Q: Are there any dimensional differences between these parts?

A: Dimensional variations are minimal. The RC3225F431CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with a maximum seated height of 0.026" (0.66mm). The RC1210FR-07430RL measures 0.122" L x 0.102" W (3.10mm x 2.60mm) with a maximum seated height of 0.024" (0.60mm). These differences are within standard PCB layout tolerances for 1210 package components and do not affect board-level compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the RC3225F431CS and RC1210FR-07430RL are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings. Both are REACH unaffected and classified under ECCN EAR99 with HTSUS code 8533.21.0030.

Q: What is the difference in packaging format?

A: The RC3225F431CS packaging format is not specified in the provided data. The RC1210FR-07430RL is supplied in Tape & Reel (TR) format, which is standard for automated assembly processes. Tape & Reel packaging is compatible with standard pick-and-place equipment used in high-volume manufacturing.

Q: Are there any temperature or environmental performance differences?

A: No. Both parts operate across the identical temperature range of -55°C to 155°C and feature moisture-resistant thick film construction. The temperature coefficient is ±100ppm/°C for both parts, ensuring equivalent frequency stability and thermal performance characteristics.