PRNF14FTD475K Equivalent & Substitute Parts

Part Overview

The PRNF14FTD475K is a 475 kOhms ±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 ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package type, lead configuration, physical dimensions).

Substiute Parts

PRNF14FTD475K

Stackpole Electronics IncIn Stock: 809PRNF14FTD475K Datasheet

Current PartRFQ

RNF14FTD475K

Stackpole Electronics IncIn Stock: 7727RNF14FTD475K Datasheet

DirectRFQ

RNMF14FAD475K

Stackpole Electronics IncIn Stock: 3944RNMF14FAD475K Datasheet

MFR RecommendedRFQ

CMF55475K00BEEB

Vishay DaleIn Stock: 1161CMF55475K00BEEB Datasheet

UpgradeRFQ

CMF55475K00FHEB

Vishay DaleIn Stock: 6063CMF55475K00FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRNF14FTD475K are classified based on the following criteria:

Direct Equivalent (Same Specifications): Parts matching all critical electrical parameters (475 kOhms, ±1% tolerance, 0.25W power rating) and mechanical form factor (axial package, similar physical dimensions).

Manufacturer Recommended (Functional Equivalent with Size Variation): Parts with identical electrical specifications but reduced physical dimensions, suitable for space-constrained applications while maintaining electrical performance.

Upgrade Options (Enhanced Specifications): Parts with the same resistance value but improved tolerance (±0.1%), higher power rating (0.5W), or extended temperature range, providing superior performance characteristics for demanding applications.

The following parameters determine substitution eligibility:

• Resistance value: 475 kOhms (fixed)
• Tolerance: ±1% minimum (tighter tolerance acceptable)
• Power rating: 0.25W minimum (higher rating acceptable)
• Package: Axial through-hole (required for mechanical compatibility)
• Composition: Metal film (required for performance characteristics)

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD475K (Direct Equivalent): This part is functionally identical to the PRNF14FTD475K with matching electrical and mechanical specifications. Both are Stackpole Electronics Inc RNF series components with Active product status and ROHS3 compliance. Selection between these parts depends on packaging availability (Tape & Reel versus Cut Tape).

RNMF14FAD475K (Manufacturer Recommended Substitute): This Stackpole RNMF series component provides identical electrical performance with reduced physical dimensions (0.070" Dia x 0.130" L versus 0.093" Dia x 0.250" L). This option is suitable for applications requiring compact board layouts while maintaining all electrical specifications and compliance certifications.

CMF55475K00BEEB (Upgrade Option - Enhanced Tolerance): This Vishay Dale CMF series resistor offers superior tolerance (±0.1% versus ±1%), lower temperature coefficient (±25ppm/°C versus ±100ppm/°C), and higher power rating (0.5W versus 0.25W). Extended operating temperature range (-55°C to 175°C) and moisture-resistant features provide enhanced performance for precision applications.

CMF55475K00FHEB (Upgrade Option - Higher Power Rating): This Vishay Dale CMF series resistor maintains ±1% tolerance while providing 0.5W power rating, improved temperature coefficient (±50ppm/°C), and extended operating temperature range (-55°C to 175°C). Moisture-resistant construction offers enhanced reliability for demanding environments.

All substitute parts maintain ROHS3 compliance and Active product status, ensuring regulatory compliance and long-term availability.

Frequently Asked Questions (FAQ)

Q: Can RNMF14FAD475K be used as a direct replacement for PRNF14FTD475K?

A: Yes. The RNMF14FAD475K provides identical electrical specifications (475 kOhms, ±1%, 0.25W, metal film composition). The primary difference is reduced physical dimensions. Verify that the smaller size (0.070" Dia x 0.130" L) is compatible with your PCB layout and lead spacing requirements.

Q: What is the advantage of using CMF55475K00BEEB over the standard PRNF14FTD475K?

A: The CMF55475K00BEEB offers three key improvements: tighter tolerance (±0.1% versus ±1%), lower temperature coefficient (±25ppm/°C versus ±100ppm/°C), and higher power rating (0.5W versus 0.25W). These enhancements are beneficial for precision analog circuits, temperature-sensitive applications, or designs with higher thermal margins.

Q: Are all substitute parts available in the same packaging formats?

A: No. The PRNF14FTD475K is available in Tape & Reel (TR) packaging, while RNF14FTD475K, RNMF14FAD475K, CMF55475K00BEEB, and CMF55475K00FHEB are available in Cut Tape (CT) packaging. Verify packaging compatibility with your procurement and assembly processes.

Q: Do the Vishay Dale CMF series resistors have different lead configurations?

A: No. All substitute parts listed maintain axial lead configuration compatible with through-hole PCB assembly. Physical dimensions vary slightly, but lead spacing and termination count (2 terminations) remain consistent across all options.

Q: Which substitute part should be selected for high-temperature applications?

A: The CMF55475K00BEEB and CMF55475K00FHEB both support extended operating temperature range (-55°C to 175°C) compared to the PRNF14FTD475K (-55°C to 155°C). Select based on tolerance and power rating requirements for your specific application.

Q: Are all parts ROHS3 compliant?

A: Yes. All listed parts (PRNF14FTD475K, RNF14FTD475K, RNMF14FAD475K, CMF55475K00BEEB, and CMF55475K00FHEB) are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.