RC0603J511CS Equivalent & Substitute Parts Reference

Part Overview

The RC0603J511CS is a 510 Ohm ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0201 (0603 Metric) package format. This surface mount device is rated for 0.05W (1/20W) power dissipation and operates across -55°C to 125°C. The component is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection. Alternative equivalent parts are necessary when the primary part experiences supply constraints, when tighter tolerance specifications are required for circuit performance, or when alternative manufacturer sourcing is preferred for supply chain resilience.

Substiute Parts

RC0603J511CS

Samsung Electro-MechanicsIn Stock: 753RC0603J511CS Datasheet

Current PartRFQ

RC0603F511CS

Samsung Electro-MechanicsIn Stock: 834RC0603F511CS Datasheet

UpgradeRFQ

CRCW0201510RFKED

Vishay DaleIn Stock: 4376CRCW0201510RFKED Datasheet

UpgradeRFQ

MCR006YRTJ511

Rohm SemiconductorIn Stock: 1681MCR006YRTJ511 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0603J511CS is determined by strict alignment of electrical and mechanical parameters. All substitute parts must maintain the following core specifications:

Mandatory Matching Parameters:

• Resistance value: 510 Ohms
• Package format: 0201 (0603 Metric)
• Power rating: 0.05W (1/20W)
• Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
• Number of terminations: 2
• Composition: Thick Film
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

Allowable Parameter Variations:

• Tolerance: May be tighter (±1%) than the original ±5% specification
• Temperature coefficient: May be lower (±100ppm/°C vs ±250ppm/°C)
• Operating temperature upper limit: May extend beyond 125°C
• Packaging format: May differ (Tape & Reel vs Cut Tape)
• Manufacturer: Alternative qualified manufacturers permitted

Substitutes are categorized as "Upgrade" when tolerance or temperature performance is improved, and "Similar" when tolerance remains equivalent but other parameters differ.

Parameter Comparison

Engineering Selection Recommendations

RC0603F511CS (Samsung Electro-Mechanics): This upgrade substitute provides tighter tolerance specification (±1% vs ±5%) while maintaining identical electrical and thermal characteristics. Both parts are manufactured by Samsung Electro-Mechanics and share the same operating temperature range and temperature coefficient. Selection is appropriate when circuit design requires improved resistance accuracy. Product status is Active with 780 units in stock.

CRCW0201510RFKED (Vishay Dale): This upgrade substitute offers both tighter tolerance (±1%) and superior temperature stability (±100ppm/°C vs ±250ppm/°C). Extended operating temperature range to 155°C provides additional thermal margin. ROHS3 compliance and MSL 1 rating are maintained. This part is suitable for applications requiring enhanced temperature performance or stricter tolerance control. Product status is Active with 4364 units in stock, providing superior supply availability.

MCR006YRTJ511 (Rohm Semiconductor): This similar substitute maintains the original ±5% tolerance and ±250ppm/°C temperature coefficient specifications. All mechanical and electrical parameters are equivalent to the main part. Selection is appropriate for supply diversification or when Rohm Semiconductor components are preferred within the supply chain. Product status is Discontinued at DiGi Electronics; 1625 units remain in stock but future availability is not guaranteed.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical physical dimensions, ensuring direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can RC0603F511CS be used as a direct replacement for RC0603J511CS?

A: Yes. RC0603F511CS is a direct substitute with improved tolerance specification (±1% vs ±5%). All mechanical dimensions, power rating, package format, operating temperature range, and compliance certifications are identical. The tighter tolerance represents an upgrade in performance without any compatibility concerns.

Q: What is the primary difference between the upgrade substitutes and the similar substitute?

A: Upgrade substitutes (RC0603F511CS and CRCW0201510RFKED) provide tighter tolerance specifications (±1%) compared to the original ±5%. CRCW0201510RFKED additionally offers improved temperature coefficient (±100ppm/°C vs ±250ppm/°C) and extended operating temperature to 155°C. The similar substitute (MCR006YRTJ511) maintains the original ±5% tolerance and ±250ppm/°C temperature coefficient but is sourced from a different manufacturer.

Q: Are there any packaging differences between these substitutes?

A: RC0603J511CS and CRCW0201510RFKED are supplied in Tape & Reel (TR) format. RC0603F511CS is supplied in Cut Tape (CT) format. MCR006YRTJ511 is available in both Cut Tape (CT) and Digi-Reel® formats. All parts use identical 0201 (0603 Metric) package specifications with matching physical dimensions and termination counts, ensuring PCB compatibility regardless of packaging format.

Q: Which substitute offers the best long-term supply availability?

A: CRCW0201510RFKED from Vishay Dale currently has the highest inventory (4364 units) and maintains Active product status. RC0603F511CS has 780 units in stock and Active status. MCR006YRTJ511 has 1625 units available but is marked as Discontinued at DiGi Electronics, indicating limited future availability.

Q: Can MCR006YRTJ511 be used despite its discontinued status?

A: MCR006YRTJ511 is electrically and mechanically equivalent to RC0603J511CS and remains functionally suitable for applications. However, its Discontinued status at DiGi Electronics indicates that future procurement may be restricted. Current inventory of 1625 units is available, but long-term supply cannot be guaranteed. For new designs or long-term production requirements, RC0603F511CS or CRCW0201510RFKED are recommended.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. REACH status is Unaffected for all parts. ECCN classification is EAR99 and HTSUS code is 8533.21.0030 across all substitutes, ensuring consistent regulatory and export compliance.

Q: Does tolerance selection affect circuit performance?

A: Tolerance affects the precision of the resistance value. The original RC0603J511CS with ±5% tolerance allows resistance values between 484.5 Ohms and 535.5 Ohms. Upgrade substitutes with ±1% tolerance restrict values to 504.9 Ohms to 515.1 Ohms. Selection depends on circuit requirements; applications requiring tighter resistance control benefit from ±1% substitutes, while general-purpose applications function with either tolerance.

Q: Is the temperature coefficient difference between substitutes significant?

A: Temperature coefficient affects resistance stability across temperature variations. RC0603J511CS and similar substitutes have ±250ppm/°C, while CRCW0201510RFKED has ±100ppm/°C. Over a 100°C temperature swing, the CRCW part exhibits approximately 0.01 Ohm maximum drift versus 0.025 Ohm for the original part. Selection depends on application sensitivity to temperature-induced resistance changes.