RNF14FAD3K65 Equivalent & Substitute Parts

Part Overview

The RNF14FAD3K65 is a 3.65 kOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial package configuration. Manufactured by Stackpole Electronics Inc, this component features flame retardant coating and safety-rated construction suitable for general-purpose electronic applications. The part maintains Active product status with ROHS3 compliance and REACH unaffected certification. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this resistor category.

Substiute Parts

RNF14FAD3K65

Stackpole Electronics IncIn Stock: 755RNF14FAD3K65 Datasheet

Current PartRFQ

RNF14FTD3K65

Stackpole Electronics IncIn Stock: 23863RNF14FTD3K65 Datasheet

DirectRFQ

CMF553K6500FHEB

Vishay DaleIn Stock: 1664CMF553K6500FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD3K65 are classified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

• Resistance value: 3.65 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Composition: Metal Film (exact match required)
• Package: Axial through-hole (exact match required)
• Termination count: 2 (exact match required)

Secondary Compatibility Parameters:

• Power rating: Equal or greater than 0.25W
• Temperature coefficient: Equal or lower absolute value
• Operating temperature range: Must encompass or exceed -55°C ~ 155°C
• Compliance certifications: ROHS3 and REACH status maintained

Packaging Variation Allowance:

• Tape & Box (TB) to Cut Tape (CT) conversion permitted for equivalent electrical performance
• Physical dimensions within standard axial resistor tolerances

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD3K65 (Direct Substitute - Same Manufacturer)

This part is a direct functional equivalent to the RNF14FAD3K65. Both components share identical electrical specifications, temperature characteristics, and operating range. The only difference is packaging format: RNF14FTD3K65 is supplied in Cut Tape (CT) format versus Tape & Box (TB) for the main part. Both maintain ROHS3 compliance and REACH unaffected status. Selection of this substitute is appropriate when Cut Tape packaging is acceptable for assembly processes.

CMF553K6500FHEB (Upgrade Substitute - Enhanced Performance)

This Vishay Dale component provides upgraded performance characteristics while maintaining core electrical compatibility. The CMF553K6500FHEB offers doubled power rating (0.5W versus 0.25W), improved temperature coefficient (±50ppm/°C versus ±100ppm/°C), and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 155°C). Physical dimensions are within standard axial resistor tolerances. This substitute is suitable for applications requiring enhanced thermal stability or higher power dissipation margins. ROHS3 compliance and REACH unaffected status are maintained.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD3K65 be used as a direct replacement for RNF14FAD3K65?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format: Cut Tape (CT) versus Tape & Box (TB). Substitution is valid when the packaging format is compatible with your assembly process.

Q: What are the advantages of using CMF553K6500FHEB instead of the original part?

A: The CMF553K6500FHEB provides three performance enhancements: doubled power rating (0.5W), lower temperature coefficient (±50ppm/°C), and higher maximum operating temperature (175°C). These characteristics provide greater thermal margin and improved frequency stability in applications subject to temperature variation.

Q: Are all three parts physically interchangeable on a PCB?

A: Yes. All three parts use axial through-hole package configuration with two terminations. Physical dimensions are within standard axial resistor tolerances. PCB footprints designed for 0.093" diameter axial leads will accommodate all three parts.

Q: Do all substitute parts maintain the same compliance certifications?

A: Yes. RNF14FTD3K65 and CMF553K6500FHEB both maintain ROHS3 compliance and REACH unaffected status, matching the original RNF14FAD3K65.

Q: What is the tolerance specification for all three parts?

A: All three parts are rated at ±1% tolerance, ensuring equivalent accuracy in resistance value across the entire substitute group.

Q: Can CMF553K6500FHEB be used in applications originally designed for 0.25W power rating?

A: Yes. The CMF553K6500FHEB is rated at 0.5W, which exceeds the 0.25W requirement. Higher power rating provides additional thermal margin and does not create compatibility issues in circuits designed for lower power dissipation.