RC0603F1212CS Equivalent & Substitute Parts Reference

Part Overview

The RC0603F1212CS is a 12.1 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.05W (1/20W) in a 0201 (0603 Metric) package. This component is classified as Active and is currently in production. The part features moisture-resistant construction with a temperature coefficient of ±250ppm/°C and operates across the -55°C to 125°C temperature range.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain disruptions, or specific application requirements that align with the established electrical and mechanical parameters of this resistor category.

Substiute Parts

RC0603F1212CS

Samsung Electro-MechanicsIn Stock: 15610RC0603F1212CS Datasheet

Current PartRFQ

CRCW020112K1FKED

Vishay DaleIn Stock: 26638CRCW020112K1FKED Datasheet

DirectRFQ

MCR006YRTF1212

Rohm SemiconductorIn Stock: 5222MCR006YRTF1212 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC0603F1212CS are classified based on strict electrical and mechanical parameter alignment within the 0201 chip resistor category. Substitution eligibility is determined by the following criteria:

Primary Substitution Criteria:

• Resistance value: 12.1 kOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Package: 0201 (0603 Metric)
• Composition: Thick Film
• Operating temperature range: -55°C minimum to 125°C minimum
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Direct Equivalent Classification: CRCW020112K1FKED (Vishay Dale) qualifies as a direct equivalent. This part maintains identical electrical specifications and package dimensions while meeting all compliance requirements.

Similar Classification: MCR006YRTF1212 (Rohm Semiconductor) is classified as similar. While it matches all critical electrical and mechanical parameters, it carries a Discontinued status at DiGi Electronics, which affects its long-term availability profile.

Parameter Comparison

Engineering Selection Recommendations

CRCW020112K1FKED (Vishay Dale) - Direct Equivalent: This part is the primary substitute option. It maintains full electrical and mechanical compatibility with the RC0603F1212CS. The CRCW020112K1FKED exhibits a superior temperature coefficient of ±100ppm/°C compared to the main part's ±250ppm/°C, and supports an extended operating temperature range to 155°C. Both parts are ROHS3 compliant with MSL rating 1. Current inventory availability is 26,613 pieces. Packaging is supplied as Tape & Reel (TR).

MCR006YRTF1212 (Rohm Semiconductor) - Similar Classification: This part matches all critical electrical specifications and mechanical dimensions. Temperature coefficient and operating range are identical to the main part. However, the MCR006YRTF1212 carries a Discontinued status at DiGi Electronics, which restricts its viability for new designs requiring long-term component availability. Current inventory is 5,200 pieces. Packaging is Cut Tape (CT) & Digi-Reel®.

For applications requiring sustained production or long-term support, CRCW020112K1FKED is the recommended selection. For legacy system repairs or short-term applications where discontinuation does not impact supply chain planning, MCR006YRTF1212 remains electrically and mechanically compatible.

Frequently Asked Questions (FAQ)

Q: Can CRCW020112K1FKED be used as a direct replacement for RC0603F1212CS? A: Yes. Both parts share identical resistance (12.1 kOhms), tolerance (±1%), power rating (0.05W), package (0201), composition (thick film), and compliance certifications (ROHS3, MSL 1). The CRCW020112K1FKED offers improved temperature coefficient performance and extended operating range.

Q: What is the difference between the temperature coefficients of these parts? A: The RC0603F1212CS and MCR006YRTF1212 both specify ±250ppm/°C. The CRCW020112K1FKED specifies ±100ppm/°C, indicating superior temperature stability. For applications with tight tolerance requirements across temperature extremes, the Vishay part provides better performance.

Q: Why is MCR006YRTF1212 marked as discontinued? A: The MCR006YRTF1212 is discontinued at DiGi Electronics, the primary distribution channel. This status affects long-term availability for production designs. Existing inventory (5,200 pieces) may support limited applications, but new designs should prioritize active parts.

Q: Are the physical dimensions identical across all three parts? A: Yes. All three parts conform to the 0201 (0603 Metric) package specification with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm).

Q: What packaging formats are available? A: RC0603F1212CS is supplied in Cut Tape (CT). CRCW020112K1FKED is supplied in Tape & Reel (TR). MCR006YRTF1212 is supplied in Cut Tape (CT) & Digi-Reel®. Packaging selection depends on assembly process requirements and order quantities.

Q: Are all parts RoHS3 compliant? A: Yes. RC0603F1212CS, CRCW020112K1FKED, and MCR006YRTF1212 are all ROHS3 compliant with MSL rating 1 (Unlimited moisture sensitivity level).

Q: What is the operating temperature range for each part? A: RC0603F1212CS and MCR006YRTF1212 operate from -55°C to 125°C. CRCW020112K1FKED operates from -55°C to 155°C, providing extended high-temperature capability.