RC6432F5111CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F5111CS is a 5.11 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film resistor features moisture resistance and operates across the temperature range of -55°C to 155°C. The part is currently active in production with 1113 pieces available in stock. Equivalent and substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when specific application requirements necessitate alternative manufacturer specifications.

Substiute Parts

RC6432F5111CS

Samsung Electro-MechanicsIn Stock: 1170RC6432F5111CS Datasheet

Current PartRFQ

CRCW25125K11FKEG

Vishay DaleIn Stock: 25193CRCW25125K11FKEG Datasheet

SimilarRFQ

RMCF2512FT5K11

Stackpole Electronics IncIn Stock: 6903RMCF2512FT5K11 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F5111CS are identified based on strict electrical and mechanical parameter matching. The substitution logic is based on the following criteria:

Critical Parameters (Must Match Exactly):

• Resistance value: 5.11 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package: 2512 (6432 Metric)

Important Parameters (Must Match or Exceed):

• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: MSL 1 or better

Acceptable Variations:

• Manufacturer identity
• Packaging format (Tape & Reel vs. Cut Tape)
• Physical dimensions within tolerance (length, width, height)
• Additional certifications (e.g., AEC-Q200 automotive qualification)

The identified substitutes meet all critical parameters and maintain or exceed all important parameters, ensuring functional and regulatory equivalence.

Parameter Comparison

Engineering Selection Recommendations

All three parts—RC6432F5111CS, CRCW25125K11FKEG, and RMCF2512FT5K11—are functionally equivalent for applications requiring a 5.11 kOhms ±1% 1W thick film chip resistor in the 2512 package. Selection among these parts should be based on the following factors:

For General Applications: The RC6432F5111CS (Samsung) is suitable for standard industrial and consumer applications where automotive qualification is not required. It provides moisture resistance and meets ROHS3 compliance.

For Automotive Applications: Both CRCW25125K11FKEG (Vishay Dale) and RMCF2512FT5K11 (Stackpole) carry AEC-Q200 automotive qualification, making them appropriate for automotive-grade circuit designs. These parts exceed the base requirements of the RC6432F5111CS with additional reliability certifications.

For Supply Chain Optimization: CRCW25125K11FKEG offers the highest inventory availability (25100 pieces), followed by RMCF2512FT5K11 (6828 pieces). Selection based on lead time and supply continuity should consider these inventory levels.

Physical Dimension Considerations: All parts maintain compatible footprints within the 2512 package specification. Minor dimensional variations (width 0.124" to 0.126", height 0.026" to 0.028") are within standard PCB design tolerances and do not affect interchangeability.

Frequently Asked Questions (FAQ)

Q: Can CRCW25125K11FKEG or RMCF2512FT5K11 be used as direct replacements for RC6432F5111CS?

A: Yes. All three parts share identical electrical specifications (5.11 kOhms, ±1%, 1W, ±100ppm/°C, -55°C to 155°C operating range) and the same 2512 package footprint. They are functionally interchangeable at the circuit level.

Q: What is the difference between the RC6432F5111CS and the automotive-qualified alternatives?

A: The RC6432F5111CS does not specify AEC-Q200 automotive qualification. CRCW25125K11FKEG and RMCF2512FT5K11 both carry AEC-Q200 certification, indicating enhanced reliability testing and qualification for automotive applications. For non-automotive applications, this difference is not relevant.

Q: Are there physical dimension differences that affect PCB layout?

A: Minor variations exist within standard tolerances. The RC6432F5111CS and RMCF2512FT5K11 have identical length (0.248") and width (0.126"), while CRCW25125K11FKEG has a width of 0.124". All three have heights between 0.026" and 0.028". These variations are within typical PCB design tolerances and do not require layout modifications.

Q: What does MSL 1 (Unlimited) mean for handling and storage?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without special moisture control measures. All three parts carry this rating, meaning they can be stored and handled under standard conditions without requiring dry-pack or desiccant storage.

Q: Which part should I select for maximum supply availability?

A: CRCW25125K11FKEG (Vishay Dale) has the highest inventory at 25100 pieces, providing the best supply continuity. RMCF2512FT5K11 (Stackpole) offers 6828 pieces as a secondary option.

Q: Are all three parts RoHS compliant?

A: Yes. RC6432F5111CS, CRCW25125K11FKEG, and RMCF2512FT5K11 are all ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: Can I mix these parts in the same production batch?

A: Yes. Since all three parts are functionally equivalent with identical electrical specifications and package compatibility, they can be used interchangeably within the same circuit design and production batch without affecting circuit performance or reliability.