RC3225J302CS Equivalent & Substitute Parts

Part Overview

The RC3225J302CS is a 3 kOhms ±5% 1/3W chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 1125 pieces in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design optimization where electrical and mechanical parameters align with application requirements.

Substiute Parts

RC3225J302CS

Samsung Electro-MechanicsIn Stock: 1146RC3225J302CS Datasheet

Current PartRFQ

AC1210FR-073KL

YAGEOIn Stock: 10933AC1210FR-073KL Datasheet

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RC1210FR-073KL

YAGEOIn Stock: 9766RC1210FR-073KL Datasheet

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RC1210JR-073KL

YAGEOIn Stock: 10376RC1210JR-073KL Datasheet

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CRCW12103K00FKEA

Vishay DaleIn Stock: 11654CRCW12103K00FKEA Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC3225J302CS is determined by strict alignment of the following electrical and mechanical parameters:

Critical Parameters for Substitution:

• Resistance value: 3 kOhms (exact match required)
• Package / Case: 1210 (3225 Metric) (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)
• Number of Terminations: 2 (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (exact match required)

Parameters Permitting Variation:

• Tolerance: ±5% (main part) to ±1% (substitute parts) — tighter tolerance is acceptable
• Power Rating: 0.333W (main part) to 0.5W (substitute parts) — higher power rating is acceptable
• Manufacturer: Samsung Electro-Mechanics, YAGEO, Vishay Dale
• Packaging Format: Bulk to Tape & Reel (TR) or Cut Tape (CT)

All identified substitute parts meet or exceed the electrical and mechanical specifications of the RC3225J302CS.

Parameter Comparison

Engineering Selection Recommendations

RC1210FR-073KL (YAGEO) This part is a direct upgrade substitute with tighter tolerance (±1% vs. ±5%) and higher power rating (0.5W vs. 0.333W). All critical electrical and mechanical parameters match the RC3225J302CS. ROHS3 compliance and MSL 1 rating are maintained. Suitable for applications requiring improved tolerance performance without design modification.

RC1210JR-073KL (YAGEO) This part maintains the ±5% tolerance of the main part while providing higher power rating (0.5W vs. 0.333W). All critical parameters align with the RC3225J302CS. ROHS3 compliance and MSL 1 rating are maintained. Suitable for direct substitution where tolerance specification is non-negotiable and power margin is beneficial.

AC1210FR-073KL (YAGEO) This part is an automotive-grade substitute with AEC-Q200 certification, ±1% tolerance, and 0.5W power rating. All critical electrical and mechanical parameters match the RC3225J302CS. ROHS3 compliance and MSL 1 rating are maintained. Suitable for applications requiring automotive qualification or enhanced reliability standards.

CRCW12103K00FKEA (Vishay Dale) This part is an automotive-grade substitute with AEC-Q200 certification, ±1% tolerance, and 0.5W power rating. All critical electrical and mechanical parameters match the RC3225J302CS. ROHS3 compliance and MSL 1 rating are maintained. Suitable for applications requiring automotive qualification or enhanced reliability standards.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-073KL replace RC3225J302CS in all applications? A: RC1210FR-073KL is electrically and mechanically compatible with RC3225J302CS. The substitute provides tighter tolerance (±1% vs. ±5%) and higher power rating (0.5W vs. 0.333W), which are improvements. Physical dimensions are within acceptable tolerance for 1210 package footprints. Substitution is valid where these enhanced specifications do not conflict with design constraints.

Q: What is the difference between RC1210JR-073KL and RC1210FR-073KL? A: Both parts are YAGEO 1210 package resistors with 3 kOhms resistance and 0.5W power rating. RC1210FR-073KL has ±1% tolerance, while RC1210JR-073KL has ±5% tolerance. Selection depends on tolerance requirements of the application. Both are ROHS3 compliant with MSL 1 rating.

Q: Are AC1210FR-073KL and CRCW12103K00FKEA suitable for non-automotive applications? A: Yes. Both parts are automotive-grade (AEC-Q200 certified) but are not restricted to automotive use. They meet all electrical and mechanical requirements of the RC3225J302CS and are ROHS3 compliant with MSL 1 rating. Automotive qualification indicates enhanced reliability and quality standards applicable to any application.

Q: What are the physical dimension differences between the main part and substitutes? A: RC3225J302CS dimensions are 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" max height. Substitute parts have dimensions of 0.122" L x 0.102" W (3.10mm x 2.60mm) with 0.024" max height. These variations are within standard 1210 package tolerance and do not affect PCB footprint compatibility.

Q: Can I use a substitute part with higher power rating in a design rated for 1/3W? A: Yes. A 0.5W (1/2W) rated component can be used in applications designed for 0.333W (1/3W) operation. The higher power rating provides additional thermal margin and does not degrade performance. Physical dimensions remain within 1210 package specifications.

Q: What is the significance of MSL 1 rating for all parts? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture control requirements. All identified parts, including the main part and substitutes, carry MSL 1 rating, eliminating moisture-related handling constraints during storage and assembly.

Q: Are all substitute parts ROHS3 compliant? A: Yes. RC1210FR-073KL, RC1210JR-073KL, AC1210FR-073KL, and CRCW12103K00FKEA are all ROHS3 compliant, matching the compliance status of the RC3225J302CS. This ensures regulatory alignment for applications subject to ROHS3 requirements.