RC6432F59R0CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F59R0CS is a 59 Ohms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 807 pieces in stock. Equivalent and substitute parts are identified for applications requiring alternative sourcing, inventory management, or specific feature requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC6432F59R0CS

Samsung Electro-MechanicsIn Stock: 877RC6432F59R0CS Datasheet

Current PartRFQ

CRCW251259R0FKEG

Vishay DaleIn Stock: 197143CRCW251259R0FKEG Datasheet

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CRM2512-FX-59R0ELF

Bourns Inc.In Stock: 18441CRM2512-FX-59R0ELF Datasheet

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ERJ-1TNF59R0U

Panasonic Electronic ComponentsIn Stock: 7458ERJ-1TNF59R0U Datasheet

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RMCF2512FT59R0

Stackpole Electronics IncIn Stock: 917RMCF2512FT59R0 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F59R0CS is determined by the following core parameters: resistance value (59 Ohms), tolerance (±1%), package type (2512/6432 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Direct Equivalents (1W Power Rating): Parts matching all parameters including 1W power rating are CRCW251259R0FKEG (Vishay Dale), ERJ-1TNF59R0U (Panasonic), and RMCF2512FT59R0 (Stackpole Electronics). These maintain identical electrical specifications and package dimensions within tolerance.

Functional Substitute (2W Power Rating): CRM2512-FX-59R0ELF (Bourns Inc.) provides the same resistance, tolerance, temperature coefficient, and operating range but with 2W power rating. This higher power capability allows substitution in applications where thermal margin is required, though the component occupies the same 2512 package footprint.

All substitute parts are thick film resistors with MSL 1 rating and ROHS3 compliance, ensuring compatibility with standard PCB assembly processes and environmental regulations.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: CRCW251259R0FKEG (Vishay Dale) and RMCF2512FT59R0 (Stackpole Electronics) are preferred substitutes. Both maintain active product status, match all electrical parameters of the RC6432F59R0CS, and carry AEC-Q200 automotive qualification. These parts provide equivalent performance with established supply chains.

For Automotive Applications: CRCW251259R0FKEG, ERJ-1TNF59R0U, and RMCF2512FT59R0 all carry AEC-Q200 ratings. RMCF2512FT59R0 and CRCW251259R0FKEG are recommended due to active product status. ERJ-1TNF59R0U is marked "Not For New Designs" and should be avoided in new product development.

For Thermal Margin Requirements: CRM2512-FX-59R0ELF (Bourns Inc.) provides 2W power rating within the same 2512 package, enabling substitution in applications requiring enhanced thermal performance. This part maintains all other electrical specifications and compliance requirements.

For High-Volume Production: Inventory availability should be evaluated. CRCW251259R0FKEG shows 197,066 pieces in stock, providing superior supply security compared to other alternatives.

Frequently Asked Questions (FAQ)

Q: Can CRCW251259R0FKEG directly replace RC6432F59R0CS?

A: Yes. Both parts share identical resistance (59 Ohms), tolerance (±1%), power rating (1W), package (2512), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). Dimensional variations are within standard manufacturing tolerances for the 2512 package.

Q: What is the difference between the 1W and 2W versions?

A: CRM2512-FX-59R0ELF provides 2W power rating compared to 1W in other alternatives. All other electrical parameters remain identical. The 2W version occupies the same 2512 package footprint but with slightly increased height (0.031" vs. 0.026-0.028"). Use the 2W version only if thermal margin is required; standard 1W applications do not benefit from the higher rating.

Q: Why is ERJ-1TNF59R0U marked "Not For New Designs"?

A: This designation indicates Panasonic has discontinued active development for this part number. While 7,440 pieces remain in stock and the part is functionally equivalent, new product designs should specify CRCW251259R0FKEG, RMCF2512FT59R0, or the original RC6432F59R0CS to ensure long-term supply availability.

Q: Are all substitutes automotive-qualified?

A: CRCW251259R0FKEG, ERJ-1TNF59R0U, and RMCF2512FT59R0 carry AEC-Q200 automotive qualification. RC6432F59R0CS and CRM2512-FX-59R0ELF do not list AEC-Q200 ratings. For automotive applications, select from the AEC-Q200 qualified alternatives.

Q: What packaging formats are available?

A: All substitute parts are supplied in Tape & Reel (TR) format except RC6432F59R0CS, which uses standard packaging. Verify packaging requirements with procurement before finalizing part selection for automated assembly processes.

Q: Can these parts be used interchangeably on existing PCBs?

A: Yes, for PCB footprint compatibility. All parts use the 2512 (6432 Metric) package with 2 terminations. Dimensional variations (length 0.248-0.252", width 0.122-0.126", height 0.026-0.031") fall within standard 2512 package tolerances and do not affect PCB pad layout or reflow soldering processes.