PRNF14FTD12K1 Equivalent & Substitute Parts

Part Overview

The PRNF14FTD12K1 is a 12.1 kOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial configuration, manufactured by Stackpole Electronics Inc. This component is part of the RNF series and maintains active product status. Substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, composition) and mechanical compatibility (axial package, terminal configuration) while accounting for variations in temperature coefficient, operating temperature range, and packaging format.

Substiute Parts

PRNF14FTD12K1

Stackpole Electronics IncIn Stock: 994PRNF14FTD12K1 Datasheet

Current PartRFQ

RNF14FTD12K1

Stackpole Electronics IncIn Stock: 18784RNF14FTD12K1 Datasheet

DirectRFQ

RNF14FTE12K1

Stackpole Electronics IncIn Stock: 4546RNF14FTE12K1 Datasheet

UpgradeRFQ

CMF5512K100FHEB

Vishay DaleIn Stock: 5220CMF5512K100FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Matching Parameters (Required):

• Resistance value: 12.1 kOhms
• Tolerance: ±1%
• Composition: Metal Film
• Package: Axial configuration
• Number of terminations: 2

Secondary Variation Parameters (Allowed Differences):

• Power rating: Equal or greater than 0.25W
• Temperature coefficient: May vary (±25ppm/°C to ±100ppm/°C)
• Operating temperature range: Must encompass or equal the original range
• Packaging format: Cut Tape (CT) or Tape & Reel (TR)
• Manufacturer: Different manufacturers permitted if specifications align

All identified substitutes meet the primary matching parameters. Variations in secondary parameters are documented to enable informed selection based on application requirements.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

RNF14FTD12K1: Direct equivalent with identical electrical and mechanical specifications. Differs only in packaging format (Cut Tape vs. Tape & Reel). Selection is appropriate for applications with no specific packaging constraints.

RNF14FTE12K1: Upgrade option within the Stackpole RNF series. Maintains identical power rating and package dimensions while offering improved temperature coefficient (±25ppm/°C vs. ±100ppm/°C). Selection is appropriate for applications requiring enhanced temperature stability.

CMF5512K100FHEB: Cross-manufacturer substitute from Vishay Dale. Provides higher power rating (0.5W vs. 0.25W) and extended operating temperature range (-55°C ~ 175°C vs. -55°C ~ 155°C). Includes moisture-resistant feature. Dimensions vary slightly (0.090" Dia x 0.240" L). Selection is appropriate for applications requiring higher power dissipation capability or extended temperature operation.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD12K1 be directly replaced with RNF14FTD12K1 in Cut Tape packaging?

A: Yes. Both parts are identical in electrical and mechanical specifications. The difference is packaging format only (Tape & Reel vs. Cut Tape). Selection depends on procurement and assembly requirements.

Q: What is the advantage of RNF14FTE12K1 over the main part?

A: RNF14FTE12K1 offers superior temperature coefficient stability (±25ppm/°C vs. ±100ppm/°C). This reduces resistance drift across the operating temperature range, benefiting applications sensitive to resistance value changes with temperature.

Q: Can CMF5512K100FHEB be used as a direct replacement?

A: CMF5512K100FHEB is electrically compatible but differs in power rating (0.5W vs. 0.25W), physical dimensions, and operating temperature range. It is suitable for applications where higher power dissipation or extended temperature operation is required. Verify PCB layout compatibility due to dimensional differences.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitutes maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original component.

Q: What determines whether a part can substitute for PRNF14FTD12K1?

A: Primary criteria are resistance value (12.1 kOhms), tolerance (±1%), power rating (equal or greater than 0.25W), composition (metal film), and axial package configuration. Secondary variations in temperature coefficient, operating temperature range, and packaging format are permitted based on application requirements.