RC0603J512CS Equivalent & Substitute Parts Reference

Part Overview

The RC0603J512CS is a 5.1 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.05W (1/20W) in a 0201 (0603 Metric) surface mount package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging format.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, power rating, tolerance, and temperature coefficient) and mechanical compatibility (package type, dimensions, and termination count). Substitute parts may offer improved tolerance grades or extended operating temperature ranges while maintaining functional equivalence in standard applications.

Substiute Parts

RC0603J512CS

Samsung Electro-MechanicsIn Stock: 1147RC0603J512CS Datasheet

Current PartRFQ

CRCW02015K10FKED

Vishay DaleIn Stock: 135557CRCW02015K10FKED Datasheet

UpgradeRFQ

MCR006YRTF5101

Rohm SemiconductorIn Stock: 1470MCR006YRTF5101 Datasheet

SimilarRFQ

MCR006YRTJ512

Rohm SemiconductorIn Stock: 3861MCR006YRTJ512 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC0603J512CS are classified into two categories based on tolerance specification:

Upgrade Substitutes (Tighter Tolerance): Parts with ±1% tolerance provide improved accuracy compared to the original ±5% specification. These substitutes maintain identical resistance value, power rating, package dimensions, and termination configuration. Upgrade substitutes are electrically and mechanically interchangeable in applications requiring higher precision.

Similar Substitutes (Matching Tolerance): Parts with ±5% tolerance match the original tolerance specification. These substitutes provide functional equivalence with identical electrical and mechanical parameters.

Substitution Criteria (All Required for Compatibility):

• Resistance value: 5.1 kOhms (exact match)
• Power rating: 0.05W / 1/20W (exact match)
• Package type: 0201 (0603 Metric) (exact match)
• Composition: Thick Film (exact match)
• Number of terminations: 2 (exact match)
• Physical dimensions: 0.024" L x 0.012" W / 0.60mm x 0.30mm (exact match)
• Height - Seated (Max): 0.010" / 0.26mm (exact match)

Parameter Comparison

Engineering Selection Recommendations

CRCW02015K10FKED (Vishay Dale) is the primary upgrade substitute. This part maintains full electrical and mechanical compatibility with the RC0603J512CS while offering improved tolerance specification (±1% versus ±5%) and lower temperature coefficient (±100ppm/°C versus ±250ppm/°C). The extended operating temperature range (-55°C ~ 155°C) provides additional thermal margin. CRCW02015K10FKED is Active product status with full RoHS3 compliance and unlimited MSL rating. Tape & Reel packaging format matches the original part specification. This substitute is suitable for applications requiring higher precision without design modification.

MCR006YRTF5101 (Rohm Semiconductor) is a similar substitute with ±1% tolerance. This part is electrically equivalent with identical resistance, power rating, and package dimensions. The temperature coefficient and operating temperature range match the original specification. However, MCR006YRTF5101 is Discontinued at DiGi Electronics and supplied in Cut Tape (CT) & Digi-Reel® packaging format rather than Tape & Reel. This substitute is suitable for applications where tolerance improvement is desired and packaging format change is acceptable.

MCR006YRTJ512 (Rohm Semiconductor) is a similar substitute with ±5% tolerance matching the original specification. This part provides direct functional equivalence with identical electrical parameters and package dimensions. MCR006YRTJ512 is Discontinued at DiGi Electronics and supplied in Cut Tape (CT) & Digi-Reel® packaging format. This substitute is suitable for direct replacement applications where tolerance and packaging format change is acceptable.

All substitute parts maintain RoHS3 compliance, unlimited MSL rating, and two-terminal configuration. Selection between substitutes depends on tolerance requirements, product availability status, and packaging format compatibility with assembly processes.

Frequently Asked Questions (FAQ)

Q: Can CRCW02015K10FKED replace RC0603J512CS in any application?

A: CRCW02015K10FKED is electrically and mechanically compatible with RC0603J512CS. Both parts have identical resistance value (5.1 kOhms), power rating (0.05W), package type (0201), and physical dimensions. CRCW02015K10FKED offers improved tolerance (±1% versus ±5%) and lower temperature coefficient (±100ppm/°C versus ±250ppm/°C), making it suitable for applications requiring higher precision. The extended operating temperature range (-55°C ~ 155°C) provides additional thermal capability.

Q: What is the difference between the three substitute parts?

A: CRCW02015K10FKED differs from MCR006YRTF5101 and MCR006YRTJ512 primarily in product status and packaging format. CRCW02015K10FKED is Active status with Tape & Reel packaging. MCR006YRTF5101 and MCR006YRTJ512 are both Discontinued at DiGi Electronics with Cut Tape (CT) & Digi-Reel® packaging. MCR006YRTF5101 offers ±1% tolerance, while MCR006YRTJ512 matches the original ±5% tolerance. All three parts are electrically and mechanically compatible with RC0603J512CS.

Q: Are there packaging format differences between the main part and substitutes?

A: RC0603J512CS is supplied in Tape & Reel (TR) format. CRCW02015K10FKED also uses Tape & Reel (TR) format, ensuring packaging compatibility. MCR006YRTF5101 and MCR006YRTJ512 are supplied in Cut Tape (CT) & Digi-Reel® format. Packaging format change may affect assembly process compatibility and requires verification with manufacturing procedures.

Q: Do all parts meet RoHS3 compliance requirements?

A: All parts listed (RC0603J512CS, CRCW02015K10FKED, MCR006YRTF5101, and MCR006YRTJ512) are RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). All parts are suitable for applications requiring RoHS3 certification.

Q: What is the significance of temperature coefficient differences?

A: RC0603J512CS, MCR006YRTF5101, and MCR006YRTJ512 have temperature coefficient of ±250ppm/°C. CRCW02015K10FKED has lower temperature coefficient of ±100ppm/°C, indicating better resistance stability across temperature variations. Lower temperature coefficient is beneficial in precision applications and wide temperature operating environments.

Q: Can MCR006YRTF5101 or MCR006YRTJ512 be used if RC0603J512CS is unavailable?

A: Both MCR006YRTF5101 and MCR006YRTJ512 are electrically and mechanically compatible with RC0603J512CS. However, both parts are Discontinued at DiGi Electronics, indicating limited availability. MCR006YRTF5101 and MCR006YRTJ512 use Cut Tape (CT) & Digi-Reel® packaging instead of Tape & Reel format. Substitution is feasible if packaging format change is acceptable and parts are available through alternative distribution channels.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by exact matching of: resistance value (5.1 kOhms), power rating (0.05W / 1/20W), package type (0201 / 0603 Metric), composition (Thick Film), physical dimensions (0.024" L x 0.012" W / 0.60mm x 0.30mm), height (0.010" / 0.26mm maximum), and termination count (2). All listed substitute parts meet these criteria. Tolerance, temperature coefficient, and operating temperature range may vary between substitutes without affecting basic functional compatibility.