RC6432F49R9CS 49.9 Ohm 1W 2512 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC6432F49R9CS is a 49.9 Ohms ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Substitute parts are identified when original inventory becomes unavailable, when alternative manufacturers offer equivalent electrical and mechanical specifications, or when upgraded versions with enhanced features are required for specific application requirements.

Substiute Parts

RC6432F49R9CS

Samsung Electro-MechanicsIn Stock: 1196RC6432F49R9CS Datasheet

Current PartRFQ

RC2512FK-0749R9L

YAGEOIn Stock: 4410RC2512FK-0749R9L Datasheet

DirectRFQ

AC2512FK-0749R9L

YAGEOIn Stock: 24526AC2512FK-0749R9L Datasheet

UpgradeRFQ

CRCW251249R9FKEG

Vishay DaleIn Stock: 3338CRCW251249R9FKEG Datasheet

SimilarRFQ

CRCW251249R9FKEGHP

Vishay DaleIn Stock: 16457CRCW251249R9FKEGHP Datasheet

SimilarRFQ

CRCW251249R9FKTG

Vishay DaleIn Stock: 2856CRCW251249R9FKTG Datasheet

SimilarRFQ

RMCF2512FT49R9

Stackpole Electronics IncIn Stock: 16605RMCF2512FT49R9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F49R9CS is determined by strict equivalence across the following critical parameters: resistance value (49.9 Ohms), tolerance (±1%), power rating (1W minimum), package type (2512/6432 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and moisture sensitivity level (MSL 1). All identified substitute parts maintain these core electrical and mechanical specifications. Substitute parts are categorized as Direct (identical specifications and packaging), Upgrade (enhanced features such as AEC-Q200 automotive qualification or pulse withstanding capability), or Similar (equivalent core parameters with minor dimensional or compliance variations).

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Identical Specifications): RC2512FK-0749R9L (YAGEO) is a direct substitute maintaining all electrical and mechanical parameters of the RC6432F49R9CS with ROHS3 compliance and moisture-resistant construction. This part is suitable for applications requiring equivalent performance without additional automotive qualification.

Upgrade Substitution (Enhanced Compliance): AC2512FK-0749R9L (YAGEO), CRCW251249R9FKEG (Vishay Dale), and RMCF2512FT49R9 (Stackpole Electronics Inc) are upgrade substitutes offering Automotive AEC-Q200 qualification in addition to base specifications. These parts are appropriate for automotive and mission-critical applications requiring enhanced reliability standards. All three maintain ROHS3 compliance.

Enhanced Power Rating Substitution: CRCW251249R9FKEGHP (Vishay Dale) provides 1.5W power rating with pulse withstanding capability while maintaining all other electrical specifications. This part is suitable for applications requiring higher transient power handling or pulse immunity.

Non-Compliant Alternative: CRCW251249R9FKTG (Vishay Dale) maintains equivalent electrical and mechanical specifications but is RoHS non-compliant and REACH-affected. This part is not suitable for applications requiring ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0749R9L replace RC6432F49R9CS in all applications? A: Yes. RC2512FK-0749R9L maintains identical resistance (49.9 Ohms), tolerance (±1%), power rating (1W), package (2512), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1). Both are ROHS3 compliant with moisture-resistant construction.

Q: What is the difference between AC2512FK-0749R9L and RC2512FK-0749R9L? A: AC2512FK-0749R9L includes Automotive AEC-Q200 qualification, making it suitable for automotive applications requiring enhanced reliability standards. Electrical and mechanical specifications are identical. RC2512FK-0749R9L is suitable for general industrial applications.

Q: Why would CRCW251249R9FKEGHP be selected over other substitutes? A: CRCW251249R9FKEGHP provides 1.5W power rating with pulse withstanding capability. Selection is appropriate when applications require higher transient power handling or pulse immunity beyond the standard 1W rating, while maintaining all other electrical specifications.

Q: Is CRCW251249R9FKTG a valid substitute? A: CRCW251249R9FKTG maintains equivalent electrical and mechanical specifications but is RoHS non-compliant. It is not suitable for applications requiring ROHS3 compliance or REACH compliance.

Q: Are all substitute parts available in the same packaging options? A: Packaging varies by manufacturer. RC6432F49R9CS is supplied in standard packaging. RC2512FK-0749R9L is available in Tape & Reel (TR). AC2512FK-0749R9L is available in Cut Tape (CT) & Digi-Reel®. Vishay Dale and Stackpole parts are available in Tape & Reel (TR). Verify packaging requirements for your procurement process.

Q: Do all substitutes maintain the same temperature coefficient? A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating temperature range, ensuring thermal performance equivalence.

Q: What is the significance of MSL 1 rating? A: MSL 1 (Unlimited) indicates unlimited shelf life without moisture baking requirements. All listed parts maintain MSL 1 rating, ensuring equivalent moisture sensitivity handling.