RNF14FAD953R Equivalent & Substitute Parts

Part Overview

The RNF14FAD953R is a 953 Ohm ±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 with ROHS3 compliance and is suitable for general-purpose electronic circuit applications requiring precision resistive elements. Substitute parts are identified based on matching resistance value, tolerance specifications, power rating compatibility, and package form factor to ensure functional equivalence in circuit design.

Substiute Parts

RNF14FAD953R

Stackpole Electronics IncIn Stock: 939RNF14FAD953R Datasheet

Current PartRFQ

RNF14FTD953R

Stackpole Electronics IncIn Stock: 3940RNF14FTD953R Datasheet

DirectRFQ

RNF14BTE953R

Stackpole Electronics IncIn Stock: 2583RNF14BTE953R Datasheet

UpgradeRFQ

CMF55953R00FHEB

Vishay DaleIn Stock: 2109CMF55953R00FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD953R are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalent (Same Electrical Specifications): RNF14FTD953R maintains identical electrical parameters: 953 Ohms ±1% tolerance, 0.25W power rating, metal film composition, and axial package. The primary distinction is packaging format (Cut Tape versus Tape & Box), which does not affect functional performance in circuit applications.

Upgrade Substitutes (Enhanced Specifications): RNF14BTE953R and CMF55953R00FHEB provide improved performance characteristics while maintaining the 953 Ohm resistance value and axial package form factor. These parts are suitable for applications where enhanced precision or higher power dissipation capability is beneficial.

Substitution eligibility is determined by the following parameters:

• Resistance value: 953 Ohms (exact match required)
• Package configuration: Axial (form factor compatibility)
• Composition: Metal Film (material consistency)
• RoHS compliance: ROHS3 Compliant (regulatory alignment)

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD953R is the direct functional equivalent to RNF14FAD953R. Both parts share identical electrical specifications and are suitable for one-to-one replacement. Selection between these parts is determined by supply chain availability and packaging requirements (Tape & Box versus Cut Tape format).

RNF14BTE953R is an upgrade substitute offering improved tolerance specification (±0.1% versus ±1%) and reduced temperature coefficient (±25ppm/°C versus ±100ppm/°C). This part is appropriate for applications requiring tighter resistance tolerance and enhanced temperature stability while maintaining the same 0.25W power rating and axial package configuration.

CMF55953R00FHEB is an upgrade substitute from Vishay Dale offering increased power rating (0.5W versus 0.25W) and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 155°C). This part is suitable for applications with higher thermal dissipation requirements or operation in elevated temperature environments. Dimensional variation (0.090" Dia x 0.240" L) requires verification of PCB layout compatibility.

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

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD953R be used as a direct replacement for RNF14FAD953R? A: Yes. RNF14FTD953R is electrically and mechanically equivalent to RNF14FAD953R. The difference is packaging format (Cut Tape versus Tape & Box), which does not affect circuit performance.

Q: What is the primary advantage of RNF14BTE953R over RNF14FAD953R? A: RNF14BTE953R provides tighter tolerance (±0.1% versus ±1%) and lower temperature coefficient (±25ppm/°C versus ±100ppm/°C), resulting in improved resistance stability across temperature variations and tighter resistance value control.

Q: When should CMF55953R00FHEB be selected instead of RNF14FAD953R? A: CMF55953R00FHEB is selected when the circuit requires higher power dissipation capability (0.5W versus 0.25W) or operation at temperatures exceeding 155°C. Verify PCB layout compatibility due to slight dimensional differences.

Q: Are all substitute parts ROHS3 compliant? A: Yes. RNF14FTD953R, RNF14BTE953R, and CMF55953R00FHEB are all ROHS3 compliant, matching the compliance status of RNF14FAD953R.

Q: Do the substitute parts maintain the same axial package configuration? A: Yes. All substitute parts use axial package configuration. However, CMF55953R00FHEB has slightly different dimensions (0.090" Dia x 0.240" L versus 0.093" Dia x 0.250" L), requiring PCB layout verification.

Q: What is the inventory status of substitute parts? A: RNF14FTD953R has 3891 pcs in stock, RNF14BTE953R has 2564 pcs in stock, and CMF55953R00FHEB has 2024 pcs in stock, providing multiple sourcing options.