PRNF14FTD3K09 Equivalent & Substitute Parts

Part Overview

The PRNF14FTD3K09 is a 3.09 kOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial package configuration, manufactured by Stackpole Electronics Inc. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter range for this resistor category.

Substiute Parts

PRNF14FTD3K09

Stackpole Electronics IncIn Stock: 828PRNF14FTD3K09 Datasheet

Current PartRFQ

RNF14FTD3K09

Stackpole Electronics IncIn Stock: 2090RNF14FTD3K09 Datasheet

DirectRFQ

CMF553K0900FHEB

Vishay DaleIn Stock: 2674CMF553K0900FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRNF14FTD3K09 are qualified based on the following criteria:

Direct Equivalent (Same Packaging Format): RNF14FTD3K09 maintains identical electrical specifications (3.09 kOhms ±1%, 0.25W, metal film composition) and mechanical form factor. The only difference is packaging format (Cut Tape versus Tape & Reel), which does not affect component performance or circuit compatibility.

Upgrade Substitute (Enhanced Performance): CMF553K0900FHEB provides the same resistance value and tolerance (3.09 kOhms ±1%) with improved power rating (0.5W versus 0.25W) and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 155°C). The temperature coefficient is improved (±50ppm/°C versus ±100ppm/°C). Axial package compatibility is maintained. This part qualifies as a functional upgrade while preserving circuit-level compatibility.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution: RNF14FTD3K09 is a direct functional equivalent to PRNF14FTD3K09. Both parts maintain Active product status, ROHS3 compliance, and identical electrical performance. Selection between these parts is determined by packaging requirements (Tape & Reel versus Cut Tape format).

Upgrade Substitution: CMF553K0900FHEB from Vishay Dale is qualified as an upgrade substitute. The increased power rating (0.5W versus 0.25W) and extended temperature range (-55°C ~ 175°C) provide enhanced operational margin. The improved temperature coefficient (±50ppm/°C) offers superior stability. All parts maintain ROHS3 compliance and axial package compatibility. CMF553K0900FHEB is suitable for applications requiring higher thermal headroom or extended temperature operation.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD3K09 be used as a direct replacement for PRNF14FTD3K09?

A: Yes. Both parts are manufactured by Stackpole Electronics Inc with identical electrical specifications (3.09 kOhms ±1%, 0.25W, metal film). The difference is packaging format only (Cut Tape versus Tape & Reel), which does not affect circuit performance or mechanical fit.

Q: What is the primary advantage of CMF553K0900FHEB over the original part?

A: CMF553K0900FHEB provides doubled power rating (0.5W versus 0.25W), extended operating temperature range (175°C maximum versus 155°C), and improved temperature coefficient (±50ppm/°C versus ±100ppm/°C). These enhancements are beneficial in high-temperature or high-dissipation applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. PRNF14FTD3K09, RNF14FTD3K09, and CMF553K0900FHEB are all ROHS3 compliant.

Q: Does the axial package remain consistent across all substitute options?

A: Yes. All three parts use axial package configuration, ensuring mechanical compatibility in through-hole circuit board layouts.

Q: Can CMF553K0900FHEB be used in applications designed for 0.25W resistors?

A: Yes. The higher power rating of CMF553K0900FHEB (0.5W) is backward compatible with 0.25W circuit requirements. The component will operate within specification in any application designed for the original 0.25W part.