PRNF14FTD150K Equivalent & Substitute Parts

Part Overview

The PRNF14FTD150K is a 150 kOhm ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial configuration, manufactured by Stackpole Electronics Inc. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements with flame retardant coating and safety features. Substitute parts are identified to provide design flexibility for procurement, inventory management, and application-specific requirements where alternative electrical or mechanical specifications may be acceptable.

Substiute Parts

PRNF14FTD150K

Stackpole Electronics IncIn Stock: 884PRNF14FTD150K Datasheet

Current PartRFQ

RNF14FTD150K

Stackpole Electronics IncIn Stock: 62309RNF14FTD150K Datasheet

DirectRFQ

CMF55150K00FHEB

Vishay DaleIn Stock: 6709CMF55150K00FHEB Datasheet

UpgradeRFQ

CMF55150K00FKEA

Vishay DaleIn Stock: 7103CMF55150K00FKEA Datasheet

UpgradeRFQ

CMF55150K00FKEK

Vishay DaleIn Stock: 884CMF55150K00FKEK Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRNF14FTD150K are classified based on the following substitution criteria:

Direct Equivalent (Same Specifications):

• RNF14FTD150K (Stackpole Electronics Inc): Identical electrical and mechanical specifications. Differs only in packaging format (Cut Tape vs. Tape & Reel).

Upgraded Substitutes (Enhanced Specifications):

• CMF55150K00FHEB, CMF55150K00FKEA, CMF55150K00FKEK (Vishay Dale): These parts maintain the same resistance value (150 kOhms) and tolerance (±1%), but feature increased power rating (0.5W/1/2W vs. 0.25W/1/4W), improved temperature coefficient (±50ppm/°C or ±100ppm/°C), and extended operating temperature range (-55°C to 175°C vs. -55°C to 155°C). All are metal film axial resistors with flame retardant and moisture-resistant coatings.

The key parameters determining substitution eligibility are: resistance value, tolerance, composition (metal film), package type (axial), and compliance certifications (RoHS3, REACH).

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD150K is the direct equivalent substitute for PRNF14FTD150K. Both parts are manufactured by Stackpole Electronics Inc with identical electrical specifications and axial package configuration. Selection between these two depends solely on packaging format availability: PRNF14FTD150K is supplied in Tape & Reel format, while RNF14FTD150K is available in Cut Tape format. Both maintain active product status and full compliance with RoHS3 and REACH requirements.

CMF55150K00FHEB and CMF55150K00FKEA are upgraded substitutes manufactured by Vishay Dale. These parts provide enhanced performance characteristics including doubled power rating (0.5W vs. 0.25W), extended operating temperature range (175°C vs. 155°C maximum), and improved temperature stability (±50ppm/°C for FHEB variant). Both maintain active product status and full regulatory compliance. Selection of these parts is appropriate for applications requiring higher power dissipation capability or extended thermal operating range.

CMF55150K00FKEK is a Vishay Dale upgraded substitute with identical specifications to CMF55150K00FKEA but supplied in Bulk packaging. This part is discontinued at DiGi Electronics and should be selected only when inventory availability from alternative sources is confirmed and long-term supply continuity is not a requirement.

All substitute parts maintain the critical electrical parameters: 150 kOhm resistance value, ±1% tolerance, metal film composition, and axial through-hole configuration. All are RoHS3 compliant and REACH unaffected.

Frequently Asked Questions (FAQ)

Q: Can CMF55150K00FHEB replace PRNF14FTD150K in my circuit?

A: Yes. The CMF55150K00FHEB maintains the same 150 kOhm resistance and ±1% tolerance as the PRNF14FTD150K. The higher power rating (0.5W vs. 0.25W) and extended temperature range are backward-compatible enhancements. Physical dimensions are slightly smaller (0.090" Dia x 0.240" L vs. 0.093" Dia x 0.250" L), which may require PCB layout verification for tight spacing applications.

Q: What is the difference between RNF14FTD150K and PRNF14FTD150K?

A: Both parts are identical in electrical and mechanical specifications. The difference is packaging format: PRNF14FTD150K is supplied in Tape & Reel (TR) format for automated assembly, while RNF14FTD150K is supplied in Cut Tape (CT) format. Selection depends on your procurement and assembly process requirements.

Q: Why would I choose a Vishay Dale CMF55 series part over the Stackpole RNF series?

A: The CMF55 series offers enhanced specifications: higher power rating (0.5W vs. 0.25W), improved temperature coefficient (±50ppm/°C for FHEB), extended operating temperature range (175°C vs. 155°C), and moisture-resistant coating. These upgrades are beneficial for applications with higher thermal stress, extended environmental operating ranges, or moisture-prone environments.

Q: Is CMF55150K00FKEK still available for new designs?

A: CMF55150K00FKEK is discontinued at DiGi Electronics. For new designs, use CMF55150K00FHEB or CMF55150K00FKEA instead. Both are active products with confirmed inventory availability and identical upgraded specifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. PRNF14FTD150K, RNF14FTD150K, CMF55150K00FHEB, CMF55150K00FKEA, and CMF55150K00FKEK are all RoHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component procurement.

Q: Will the slightly smaller physical dimensions of the CMF55 parts affect PCB layout?

A: The CMF55 series (0.090" Dia x 0.240" L) is slightly smaller than the RNF series (0.093" Dia x 0.250" L). For most applications with standard PCB spacing, this difference is negligible. However, for designs with tight component spacing or specific mechanical constraints, verify that the smaller dimensions do not create clearance issues with adjacent components or board features.