RC6432F122CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F122CS is a 1.2 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 819 units available in inventory.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to supply constraints, manufacturing discontinuation, or specific application certifications such as automotive qualification.

Substiute Parts

RC6432F122CS

Samsung Electro-MechanicsIn Stock: 843RC6432F122CS Datasheet

Current PartRFQ

RC2512FK-071K2L

YAGEOIn Stock: 3329RC2512FK-071K2L Datasheet

DirectRFQ

ERJ-1TNF1201U

Panasonic Electronic ComponentsIn Stock: 4621ERJ-1TNF1201U Datasheet

SimilarRFQ

RMCF2512FT1K20

Stackpole Electronics IncIn Stock: 6432RMCF2512FT1K20 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F122CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 1.2 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Package: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Moisture sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

Physical Compatibility Parameters:

• Package case designation: 2512 (6432 Metric)
• Number of terminations: 2
• Height seated (maximum): 0.026" to 0.028" (0.65mm to 0.70mm)
• Length and width dimensions: Within standard 2512 package tolerances

All identified substitute parts meet these mandatory parameters. Variations in specific certifications (such as automotive AEC-Q200 qualification) represent additional features rather than substitution barriers, as they do not affect core electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

RC2512FK-071K2L (YAGEO): This part is electrically and mechanically equivalent to the RC6432F122CS with active product status. It is suitable for general industrial applications where automotive qualification is not required. Inventory availability is 3314 units.

RMCF2512FT1K20 (Stackpole Electronics Inc): This part maintains full electrical and mechanical equivalence and carries AEC-Q200 automotive qualification. Product status is active with 6382 units in inventory. Selection of this part is appropriate for automotive or mission-critical applications requiring automotive-grade component certification.

ERJ-1TNF1201U (Panasonic Electronic Components): This part is electrically and mechanically equivalent and includes AEC-Q200 automotive qualification. However, product status is listed as "Not For New Designs," indicating this part is in end-of-life phase. Use of this part should be limited to legacy system support or maintenance applications. Inventory availability is 4606 units.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-071K2L be used as a direct replacement for RC6432F122CS?

A: Yes. Both parts share identical electrical specifications (1.2 kOhms, ±1%, 1W), composition (thick film), temperature characteristics (±100ppm/°C, -55°C to 155°C), and package designation (2512/6432 Metric). Physical dimensions fall within standard package tolerances. No circuit redesign or board layout modification is required.

Q: What is the difference between the Samsung RC6432F122CS and the Stackpole RMCF2512FT1K20?

A: The electrical and mechanical specifications are identical. The primary difference is that RMCF2512FT1K20 carries AEC-Q200 automotive qualification, while the Samsung part does not specify this certification. If your application requires automotive-grade components, RMCF2512FT1K20 is the appropriate selection.

Q: Why is ERJ-1TNF1201U marked "Not For New Designs"?

A: This designation indicates the part is in end-of-life status and the manufacturer is not recommending it for new product development. While the part remains electrically and mechanically compatible, it should be used only for maintenance, repair, or legacy system support where existing inventory must be maintained.

Q: Are there dimensional differences between these substitute parts?

A: All parts conform to the 2512 (6432 Metric) package standard. Minor variations exist within standard package tolerances: length ranges from 0.248" to 0.250" (6.30mm to 6.35mm), width is 0.122" to 0.126" (3.10mm to 3.20mm), and seated height ranges from 0.026" to 0.028" (0.65mm to 0.70mm). These variations are within acceptable PCB assembly tolerances and do not affect interchangeability.

Q: Can I use these parts interchangeably in high-temperature applications?

A: Yes. All substitute parts maintain the same operating temperature range of -55°C to 155°C and identical temperature coefficient of ±100ppm/°C. No performance degradation occurs when substituting between these parts in temperature-sensitive applications within this range.

Q: What packaging formats are available for these substitute parts?

A: RC2512FK-071K2L is available in Cut Tape (CT) and Digi-Reel format. ERJ-1TNF1201U and RMCF2512FT1K20 are supplied in Tape & Reel (TR) format. Verify packaging compatibility with your procurement and assembly processes before ordering.