RC3225F473CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F473CS is a 47 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 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.

Equivalent and substitute parts are identified when applications require alternative sourcing due to inventory constraints, supply chain considerations, or when higher power ratings provide design margin in existing circuit implementations.

Substiute Parts

RC3225F473CS

Samsung Electro-MechanicsIn Stock: 917RC3225F473CS Datasheet

Current PartRFQ

RC1210FR-0747KL

YAGEOIn Stock: 7774RC1210FR-0747KL Datasheet

UpgradeRFQ

CRCW121047K0FKEA

Vishay DaleIn Stock: 9351CRCW121047K0FKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC3225F473CS is based on the following criteria:

Mandatory Matching Parameters:

• Resistance value: 47 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package format: 1210 (3225 Metric) (exact match required for PCB footprint compatibility)
• Composition: Thick Film (maintains electrical performance characteristics)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (substitute must cover this range)

Allowable Variation Parameters:

• Power Rating: Substitute parts may have equal or higher power ratings (0.5W/1/2W acceptable as upgrade)
• Physical dimensions: Minor variations within supplier device package specifications are acceptable
• Certifications: ROHS3 compliance and MSL 1 rating required; additional certifications (such as AEC-Q200) are permissible

Identified Substitutes:

1. RC1210FR-0747KL (YAGEO): Upgrade substitute with 0.5W power rating
2. CRCW121047K0FKEA (Vishay Dale): Upgrade substitute with 0.5W power rating and AEC-Q200 automotive qualification

Both substitutes maintain electrical equivalence while providing increased power dissipation capability.

Parameter Comparison

Engineering Selection Recommendations

RC3225F473CS (Samsung Electro-Mechanics) - Primary Part

Use this part when the original design specification calls for a 1/3W (0.333W) rated resistor and Samsung sourcing is preferred or required. The component is Active status with full ROHS3 and REACH compliance.

RC1210FR-0747KL (YAGEO) - Upgrade Substitute

This part provides direct functional equivalence with increased power dissipation margin (0.5W vs. 0.333W). All critical electrical parameters match the original specification. Use when YAGEO sourcing is required or when additional thermal margin is beneficial in the circuit design. Active product status with ROHS3 and REACH compliance.

CRCW121047K0FKEA (Vishay Dale) - Upgrade Substitute with Automotive Qualification

This part provides direct functional equivalence with increased power dissipation margin (0.5W vs. 0.333W) and includes AEC-Q200 automotive qualification. Use when Vishay Dale sourcing is required, when automotive-grade components are specified, or when additional thermal margin and automotive reliability standards are required. Active product status with ROHS3 and REACH compliance.

All three parts are suitable for direct substitution in applications where the 1210 package footprint and 47 kOhms ±1% specification are required.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-0747KL replace RC3225F473CS in any application?

A: Yes. The RC1210FR-0747KL maintains identical electrical specifications (47 kOhms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and uses the same 1210 (3225 Metric) package. The higher power rating (0.5W vs. 0.333W) provides additional thermal margin and does not create compatibility issues.

Q: What is the difference between RC1210FR-0747KL and CRCW121047K0FKEA?

A: Both parts are electrically equivalent 47 kOhms ±1% resistors in 1210 package with 0.5W power ratings. The primary difference is that CRCW121047K0FKEA includes AEC-Q200 automotive qualification, making it suitable for automotive applications. Both are ROHS3 compliant with MSL 1 rating.

Q: Are the physical dimensions identical across all three parts?

A: Physical dimensions are within supplier device package specifications for the 1210 format. Slight variations exist: Samsung 0.126" L x 0.100" W (3.20mm x 2.55mm), YAGEO 0.122" L x 0.102" W (3.10mm x 2.60mm), and Vishay Dale 0.126" L x 0.098" W (3.20mm x 2.50mm). All are compatible with standard 1210 PCB footprints.

Q: Can I use a substitute part with higher power rating in a design rated for 1/3W?

A: Yes. A higher power rating (0.5W) is a conservative upgrade that does not compromise circuit function. The resistor will operate at lower thermal stress, which is beneficial for reliability and longevity.

Q: Are all three parts ROHS3 compliant?

A: Yes. RC3225F473CS, RC1210FR-0747KL, and CRCW121047K0FKEA are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

Q: Which part should I select for automotive applications?

A: CRCW121047K0FKEA is the appropriate choice for automotive applications due to AEC-Q200 qualification. RC1210FR-0747KL and RC3225F473CS are suitable for general industrial and consumer applications.

Q: What is the temperature coefficient significance?

A: All three parts share ±100ppm/°C temperature coefficient, ensuring consistent resistance stability across the -55°C to 155°C operating range. This parameter is identical across all substitutes.