RC0603F434CS Equivalent & Substitute Parts

Part Overview

The RC0603F434CS is a 430 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics. This 0201 (0603 Metric) surface mount component is rated for 0.05W (1/20W) power dissipation and operates across the temperature range of -55°C to 125°C. The part is currently active in production status with 1102 pieces available in inventory.

Substitute parts become necessary when the primary manufacturer part experiences supply constraints, extended lead times, or when design flexibility permits component sourcing from alternative manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

RC0603F434CS

Samsung Electro-MechanicsIn Stock: 1211RC0603F434CS Datasheet

Current PartRFQ

MCR006YRTF4303

Rohm SemiconductorIn Stock: 13575MCR006YRTF4303 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC0603F434CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 430 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.05W / 1/20W (exact match required)
• Temperature coefficient: ±250ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 125°C (exact match required)

Mechanical Parameters:

• Package / Case: 0201 (0603 Metric) (exact match required)
• Physical dimensions: 0.024" L x 0.012" W / 0.60mm x 0.30mm (exact match required)
• Height - Seated (Max): 0.010" / 0.26mm (exact match required)

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

The MCR006YRTF4303 manufactured by Rohm Semiconductor meets all specified electrical, mechanical, and compliance criteria and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The MCR006YRTF4303 from Rohm Semiconductor is electrically and mechanically equivalent to the RC0603F434CS. Both components satisfy ROHS3 compliance requirements and carry identical moisture sensitivity ratings. The primary distinction is product status: the RC0603F434CS maintains active production status, while the MCR006YRTF4303 is discontinued at DiGi Electronics.

Selection between these parts should be based on supply chain availability and lead time requirements. The RC0603F434CS is recommended for new designs requiring long-term component availability. The MCR006YRTF4303 remains suitable for applications where existing inventory is available and supply continuity is not a constraint.

Frequently Asked Questions (FAQ)

Q: Can MCR006YRTF4303 be used as a direct replacement for RC0603F434CS in existing designs?

A: Yes. The MCR006YRTF4303 meets all electrical specifications (430 kOhms ±1%, 0.05W, ±250ppm/°C, -55°C to 125°C), mechanical dimensions (0201 package, 0.024" x 0.012" x 0.010" max height), and compliance certifications (ROHS3, MSL 1) required for direct substitution.

Q: Are there packaging differences between these parts?

A: The RC0603F434CS is supplied in Tape & Reel (TR) packaging, while the MCR006YRTF4303 is supplied in Cut Tape (CT) & Digi-Reel® packaging. Both formats are standard for 0201 chip resistors and present no functional differences for assembly operations.

Q: What is the significance of the product status difference?

A: The RC0603F434CS is in active production, ensuring ongoing availability for future orders. The MCR006YRTF4303 is discontinued at DiGi Electronics, meaning new stock procurement may be limited. For designs requiring long-term component sourcing, the RC0603F434CS is the preferred choice.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both the RC0603F434CS and MCR006YRTF4303 are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings. Both are classified under ECCN EAR99 and HTSUS 8533.21.0030.

Q: Are there any thermal or frequency performance differences?

A: No. Both parts share identical temperature coefficients (±250ppm/°C) and operating temperature ranges (-55°C to 125°C). Thick film composition and electrical specifications are equivalent across all performance parameters.