RNF14FAD374R Equivalent & Substitute Parts

Part Overview

The RNF14FAD374R is a 374 Ohm ±1% metal film axial through-hole resistor rated at 0.25W (1/4W) manufactured by Stackpole Electronics Inc. This component features flame retardant coating and safety construction, operating across a temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and is available in Tape & Box packaging. Equivalent and substitute parts are identified when identical or enhanced electrical and mechanical specifications can fulfill the same functional requirements in circuit applications.

Substiute Parts

RNF14FAD374R

Stackpole Electronics IncIn Stock: 1090RNF14FAD374R Datasheet

Current PartRFQ

RNF14FTD374R

Stackpole Electronics IncIn Stock: 1100RNF14FTD374R Datasheet

DirectRFQ

CMF55374R00FHEB

Vishay DaleIn Stock: 4089CMF55374R00FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNF14FAD374R is determined by the following critical parameters:

Direct Equivalents maintain identical electrical specifications: 374 Ohm resistance value, ±1% tolerance, metal film composition, and axial package configuration. Packaging format (Tape & Box vs. Tape & Reel) does not affect electrical or mechanical compatibility.

Upgraded Substitutes provide enhanced performance characteristics while maintaining core compatibility: identical resistance and tolerance values, superior 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 resistance features. These upgrades do not compromise circuit functionality and provide design margin improvements.

All substitute parts maintain axial through-hole configuration, metal film construction, flame retardant coating, safety features, and ROHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD374R serves as a direct electrical equivalent to RNF14FAD374R. Both components are manufactured by Stackpole Electronics Inc, maintain identical electrical specifications, and carry active product status with ROHS3 compliance. Selection between these parts is determined by packaging requirements: RNF14FTD374R is supplied in Tape & Reel format, suitable for automated assembly processes, while RNF14FAD374R is supplied in Tape & Box format for manual or mixed assembly operations.

CMF55374R00FHEB (Vishay Dale) functions as an upgraded substitute. This component maintains the same 374 Ohm resistance and ±1% tolerance while providing enhanced performance margins: doubled power dissipation capability (0.5W vs. 0.25W), superior temperature stability (±50ppm/°C vs. ±100ppm/°C), extended maximum operating temperature (175°C vs. 155°C), and moisture resistance features. The CMF55374R00FHEB is active in production with ROHS3 compliance. Physical dimensions are comparable (0.090" Dia x 0.240" L vs. 0.093" Dia x 0.250" L), maintaining mechanical compatibility in standard axial resistor footprints.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD374R replace RNF14FAD374R in production? A: Yes. Both parts are electrically identical with matching resistance, tolerance, power rating, and temperature specifications. The difference is packaging format: Tape & Reel (RNF14FTD374R) versus Tape & Box (RNF14FAD374R). Selection depends on assembly equipment compatibility.

Q: What are the advantages of using CMF55374R00FHEB as a substitute? A: The CMF55374R00FHEB provides enhanced design margins through doubled power rating (0.5W vs. 0.25W), improved temperature coefficient stability (±50ppm/°C vs. ±100ppm/°C), extended operating temperature range to 175°C, and moisture resistance features. Electrical performance (374 Ohm, ±1%) remains identical.

Q: Are all three parts mechanically compatible in the same PCB footprint? A: Yes. All three parts are axial through-hole resistors with comparable physical dimensions. RNF14FAD374R and RNF14FTD374R are identical (0.093" Dia x 0.250" L). CMF55374R00FHEB dimensions (0.090" Dia x 0.240" L) are within standard axial resistor tolerance and compatible with the same footprint.

Q: Do all substitute parts meet the same compliance requirements? A: Yes. RNF14FAD374R, RNF14FTD374R, and CMF55374R00FHEB are all ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.

Q: Which part should be selected for high-temperature applications? A: CMF55374R00FHEB supports operation to 175°C, compared to 155°C maximum for RNF14FAD374R and RNF14FTD374R. For applications requiring extended temperature range, CMF55374R00FHEB is the appropriate selection.

Q: Can packaging format affect circuit performance? A: No. Packaging format (Tape & Box, Tape & Reel, or Cut Tape) affects supply and assembly logistics only. Electrical and mechanical performance of the resistor component itself is independent of packaging format.