PRNF14FTD301R Equivalent & Substitute Parts

Part Overview

The PRNF14FTD301R is a 301 Ohm ±1% 1/4W through-hole axial resistor manufactured by Stackpole Electronics Inc. This metal film resistor features flame retardant coating and safety construction, designed for general-purpose electronic applications requiring precision resistance values. The part is currently active in production with ROHS3 compliance and is suitable for applications operating across the -55°C to 155°C temperature range. Equivalent and substitute parts are identified to provide procurement flexibility, alternative packaging options, and enhanced performance characteristics where applicable.

Substiute Parts

PRNF14FTD301R

Stackpole Electronics IncIn Stock: 1105PRNF14FTD301R Datasheet

Current PartRFQ

RNF14FTD301R

Stackpole Electronics IncIn Stock: 61152RNF14FTD301R Datasheet

DirectRFQ

CMF55301R00FHEB

Vishay DaleIn Stock: 2020CMF55301R00FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRNF14FTD301R are classified based on the following substitution criteria:

Direct Equivalent (Same Packaging Format): RNF14FTD301R maintains identical electrical specifications and axial package configuration. The primary difference is packaging format (Cut Tape vs. Tape & Reel), which does not affect electrical performance or mechanical compatibility.

Upgrade Substitute (Enhanced Performance): CMF55301R00FHEB provides higher power dissipation capability (0.5W vs. 0.25W) while maintaining the same 301 Ohm resistance value and ±1% tolerance. This substitute offers improved thermal performance with a lower temperature coefficient (±50ppm/°C vs. ±100ppm/°C) and extended operating temperature range (-55°C to 175°C vs. -55°C to 155°C). Both parts share identical axial package construction and metal film composition with flame retardant coating.

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD301R is the direct equivalent substitute when packaging format flexibility is required. This part maintains identical electrical and thermal characteristics to the PRNF14FTD301R while offering Cut Tape packaging as an alternative to Tape & Reel. Both parts are manufactured by Stackpole Electronics Inc and carry active product status with ROHS3 compliance.

CMF55301R00FHEB is the upgrade substitute for applications requiring enhanced thermal performance or extended operating temperature capability. The doubled power rating (0.5W vs. 0.25W) and improved temperature coefficient (±50ppm/°C vs. ±100ppm/°C) provide design margin in thermally demanding environments. The extended upper operating temperature limit (175°C vs. 155°C) accommodates high-temperature applications. This part is manufactured by Vishay Dale and maintains ROHS3 compliance with the addition of moisture-resistant features.

All substitute parts maintain the same 301 Ohm resistance value, ±1% tolerance, axial package configuration, and metal film composition with flame retardant coating, ensuring mechanical and electrical compatibility within the specified parameter constraints.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD301R be used as a direct replacement for PRNF14FTD301R?

A: Yes. RNF14FTD301R is a direct electrical and mechanical equivalent. The only difference is packaging format (Cut Tape vs. Tape & Reel). Both parts have identical resistance, tolerance, power rating, temperature coefficient, and operating temperature range.

Q: When should CMF55301R00FHEB be selected over the main part?

A: CMF55301R00FHEB should be selected when the application requires higher power dissipation capability (0.5W vs. 0.25W), improved temperature stability (±50ppm/°C vs. ±100ppm/°C), or operation at temperatures above 155°C up to 175°C. The upgrade substitute provides design margin for thermally constrained circuits.

Q: Are all substitute parts axial package configuration?

A: Yes. PRNF14FTD301R, RNF14FTD301R, and CMF55301R00FHEB are all axial through-hole resistors with compatible lead configurations and mounting requirements.

Q: Do substitute parts maintain the same tolerance specification?

A: Yes. All parts listed maintain ±1% tolerance on the 301 Ohm resistance value, ensuring equivalent precision for circuit design calculations.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging is supplied on continuous tape wound on reels for automated assembly processes. Cut Tape packaging is supplied as individual tape segments. Both formats contain identical components; the difference is in procurement and handling format only.

Q: Are all substitute parts RoHS compliant?

A: Yes. PRNF14FTD301R, RNF14FTD301R, and CMF55301R00FHEB are all ROHS3 compliant and REACH unaffected.