PRNF14FTD3K65 Equivalent & Substitute Parts

Part Overview

The PRNF14FTD3K65 is a 3.65 kOhms ±1% 0.25W through-hole resistor manufactured by Stackpole Electronics Inc in the RNF series. This metal film axial resistor features flame retardant coating and safety construction, designed for applications requiring precision resistance values with tight tolerance specifications. The part is active in production and ROHS3 compliant. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design requirements permit upgraded specifications.

Substiute Parts

PRNF14FTD3K65

Stackpole Electronics IncIn Stock: 1077PRNF14FTD3K65 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 PRNF14FTD3K65 are qualified based on the following electrical and mechanical parameters:

Critical Parameters (Must Match):

• Resistance value: 3.65 kOhms
• Tolerance: ±1%
• Composition: Metal Film
• Package configuration: Axial through-hole
• Number of terminations: 2
• RoHS compliance: ROHS3 Compliant

Allowable Variations:

• Power rating: May be equal or greater than 0.25W
• Operating temperature range: May be equal or extended
• Temperature coefficient: May be equal or lower (tighter specification)
• Physical dimensions: Minor variations acceptable within axial package constraints
• Packaging format: Cut Tape (CT) or Tape & Reel (TR) formats are interchangeable for component selection

The RNF14FTD3K65 (Cut Tape format) is a direct equivalent. The CMF553K6500FHEB represents an upgrade substitute with increased power rating (0.5W vs 0.25W) and extended operating temperature range (-55°C ~ 175°C vs -55°C ~ 155°C).

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (RNF14FTD3K65): The RNF14FTD3K65 in Cut Tape format is a direct equivalent to the PRNF14FTD3K65 Tape & Reel format. Both parts are manufactured by Stackpole Electronics Inc with identical electrical specifications and physical dimensions. Selection between these formats depends on procurement and assembly requirements. Both maintain ROHS3 compliance and active product status.

Upgrade Substitution (CMF553K6500FHEB): The CMF553K6500FHEB manufactured by Vishay Dale is qualified as an upgrade substitute. This part maintains the same resistance value and tolerance while providing increased power dissipation capability (0.5W vs 0.25W) and extended operating temperature range (-55°C ~ 175°C vs -55°C ~ 155°C). The temperature coefficient is improved (±50ppm/°C vs ±100ppm/°C). Physical dimensions are slightly reduced. This substitute is suitable for applications where enhanced thermal performance or extended temperature operation is beneficial. ROHS3 compliance is maintained.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD3K65 replace PRNF14FTD3K65 directly? A: Yes. Both parts are identical in electrical and mechanical specifications. The difference is packaging format: PRNF14FTD3K65 is supplied in Tape & Reel format, while RNF14FTD3K65 is supplied in Cut Tape format. Selection depends on assembly line requirements.

Q: What are the advantages of using CMF553K6500FHEB as a substitute? A: The CMF553K6500FHEB provides higher power rating (0.5W vs 0.25W), extended operating temperature range (-55°C ~ 175°C vs -55°C ~ 155°C), and improved temperature coefficient (±50ppm/°C vs ±100ppm/°C). Physical dimensions are slightly smaller. This upgrade is beneficial for applications with higher thermal stress or extended temperature requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed parts, including the main part and substitutes, are ROHS3 compliant.

Q: Can CMF553K6500FHEB be used in place of PRNF14FTD3K65 in any circuit? A: The CMF553K6500FHEB is electrically compatible as a substitute. The higher power rating and improved temperature coefficient represent equal or superior performance. Physical dimensions are slightly reduced but remain within axial package constraints. Verify PCB layout compatibility due to minor dimensional differences.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel (TR) format supplies components on continuous tape wound on reels for automated assembly. Cut Tape (CT) format supplies components on tape segments cut to specified lengths. Both formats contain identical components; packaging selection depends on assembly equipment and volume requirements.