RC6432F394CS 390kΩ 1W 2512 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC6432F394CS is a 390 kOhms ±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 817 pieces currently in stock. The part is ROHS3 compliant and moisture resistant, suitable for general industrial and commercial applications requiring precision resistive elements in compact surface-mount form factors.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

RC6432F394CS

Samsung Electro-MechanicsIn Stock: 917RC6432F394CS Datasheet

Current PartRFQ

RC2512FK-07390KL

YAGEOIn Stock: 7733RC2512FK-07390KL Datasheet

DirectRFQ

ERJ-1TNF3903U

Panasonic Electronic ComponentsIn Stock: 4024ERJ-1TNF3903U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F394CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 390 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package type: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: 1 (Unlimited)

Substitute Classification:

Direct Substitute: RC2512FK-07390KL (YAGEO) — Identical electrical specifications and mechanical compatibility with equivalent dimensional tolerances.

Similar Substitute: ERJ-1TNF3903U (Panasonic Electronic Components) — Meets all electrical and mechanical parameters with additional automotive AEC-Q200 qualification; however, product status is Not For New Designs.

Parameter Comparison

Engineering Selection Recommendations

For Active Product Designs:

RC2512FK-07390KL (YAGEO) is the primary substitute for RC6432F394CS. Both components maintain Active product status, ensuring long-term availability and manufacturing support. Dimensional variations are within standard 2512 package tolerances and do not impact PCB layout or assembly processes. YAGEO inventory (7650 pieces) provides supply continuity.

For Automotive or Legacy Applications:

ERJ-1TNF3903U (Panasonic Electronic Components) is classified as Not For New Designs and should not be selected for new product development. This part is suitable only for maintenance, repair, or continuation of existing designs where automotive AEC-Q200 qualification is required and product lifecycle status is not a constraint.

Compliance Considerations:

All three parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8533.21.0030. No compliance barriers exist for substitution.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-07390KL replace RC6432F394CS in existing designs?

A: Yes. RC2512FK-07390KL is a direct substitute. Both components share identical electrical specifications (390 kOhms ±1%, 1W, ±100ppm/°C, -55°C to 155°C), composition (thick film), and package classification (2512/6432 metric). Dimensional tolerances are within standard package specifications. No circuit redesign is required.

Q: What is the difference between the YAGEO and Panasonic substitutes?

A: RC2512FK-07390KL (YAGEO) is an Active product with standard industrial specifications. ERJ-1TNF3903U (Panasonic) includes automotive AEC-Q200 qualification but is marked Not For New Designs. Both meet the electrical and mechanical requirements of RC6432F394CS. Product status determines suitability for new versus legacy applications.

Q: Are there packaging differences between these parts?

A: RC6432F394CS packaging is listed as "-" (unspecified). RC2512FK-07390KL and ERJ-1TNF3903U are supplied in Tape & Reel (TR) format. This difference affects procurement and assembly processes but does not impact electrical or mechanical compatibility.

Q: Do dimensional variations affect PCB assembly?

A: Dimensional variations among the three parts (length 6.30mm to 6.40mm, width 3.10mm to 3.20mm, height 0.65mm to 0.70mm) fall within standard 2512 package tolerances. These variations do not require PCB layout modifications or assembly process changes.

Q: Which substitute should be selected for new product designs?

A: RC2512FK-07390KL (YAGEO) is the recommended substitute for new designs. It maintains Active product status, ensuring manufacturing continuity and supplier support throughout the product lifecycle.