PRNF14FTD274R Equivalent & Substitute Parts

Part Overview

The PRNF14FTD274R is a 274 Ohm ±1% metal film through-hole resistor rated at 0.25W (1/4W) with axial leads, manufactured by Stackpole Electronics Inc. This component is classified as Active product status and is widely used in general-purpose electronic circuits requiring precision resistive elements with flame retardant coating and safety features. Substitute parts are identified to address packaging format availability, enhanced thermal performance, or inventory requirements while maintaining electrical and mechanical compatibility within specified parameters.

Substiute Parts

PRNF14FTD274R

Stackpole Electronics IncIn Stock: 742PRNF14FTD274R Datasheet

Current PartRFQ

RNF14FTD274R

Stackpole Electronics IncIn Stock: 14611RNF14FTD274R Datasheet

DirectRFQ

CMF55274R00FHEB

Vishay DaleIn Stock: 5757CMF55274R00FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRNF14FTD274R are classified based on the following substitution criteria:

Direct Equivalent (Same Packaging Format): RNF14FTD274R maintains identical electrical specifications (274 Ohms ±1%, 0.25W, metal film composition, ±100ppm/°C temperature coefficient, -55°C ~ 155°C operating range) and mechanical form factor. The primary difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect component performance or circuit compatibility.

Upgraded Substitute (Enhanced Performance): CMF55274R00FHEB provides the same resistance value and tolerance (274 Ohms ±1%) with increased power rating (0.5W vs. 0.25W), improved temperature coefficient (±50ppm/°C vs. ±100ppm/°C), extended operating temperature range (-55°C ~ 175°C vs. -55°C ~ 155°C), and additional moisture-resistant features. This component is suitable for applications requiring higher thermal dissipation or stricter tolerance performance while maintaining axial package compatibility.

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD274R Selection: This direct equivalent is appropriate when Cut Tape packaging format is preferred over Tape & Reel, or when higher inventory availability is required. All electrical and mechanical specifications remain identical to the main part number, ensuring drop-in compatibility without circuit redesign.

CMF55274R00FHEB Selection: This upgraded substitute is suitable for applications where increased power dissipation capability, improved temperature stability (±50ppm/°C), or extended operating temperature range (-55°C ~ 175°C) provides design margin benefits. The slightly reduced physical dimensions (0.090" Dia x 0.240" L) remain compatible with standard axial component PCB layouts. Both substitute options maintain ROHS3 compliance and equivalent safety certifications.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD274R be used as a direct replacement for PRNF14FTD274R? A: Yes. RNF14FTD274R is electrically and mechanically identical to PRNF14FTD274R. The only difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect circuit performance or component functionality.

Q: What are the advantages of using CMF55274R00FHEB over the original part? A: CMF55274R00FHEB provides doubled power rating (0.5W vs. 0.25W), superior temperature coefficient (±50ppm/°C vs. ±100ppm/°C), extended operating temperature range (up to 175°C vs. 155°C), and moisture-resistant features. These enhancements are beneficial for high-reliability applications or circuits operating at elevated temperatures.

Q: Are the physical dimensions compatible across all three parts? A: All three parts use axial package configuration suitable for standard through-hole PCB layouts. CMF55274R00FHEB has slightly smaller dimensions (0.090" Dia x 0.240" L) compared to PRNF14FTD274R and RNF14FTD274R (0.093" Dia x 0.250" L), but this difference does not affect PCB mounting compatibility.

Q: Do all substitute parts meet the same compliance standards? A: Yes. PRNF14FTD274R, RNF14FTD274R, and CMF55274R00FHEB are all ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99, ensuring equivalent regulatory compliance across all options.

Q: Which substitute should be selected for cost optimization? A: RNF14FTD274R offers cost parity with identical electrical specifications. CMF55274R00FHEB may have different pricing due to enhanced performance characteristics; selection should be based on application requirements rather than cost alone.