RNF14FTD52R3 Equivalent & Substitute Parts

Part Overview

The RNF14FTD52R3 is a 52.3 Ohm ±1% metal film axial through-hole resistor rated at 0.25W (1/4W) manufactured by Stackpole Electronics Inc. This component features flame retardant coating and safety construction, designed for applications requiring precision resistive elements in through-hole configurations. The part is currently active in production with ROHS3 compliance and is suitable for general-purpose electronic circuit applications where axial resistor packages are specified.

Substitute parts are identified when equivalent resistance values, tolerance grades, power ratings, and package types align with application requirements while maintaining compliance certifications and operational temperature ranges.

Substiute Parts

RNF14FTD52R3

Stackpole Electronics IncIn Stock: 1062RNF14FTD52R3 Datasheet

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RNF14BAD52R3

Stackpole Electronics IncIn Stock: 5588RNF14BAD52R3 Datasheet

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CMF5552R300FHEB

Vishay DaleIn Stock: 1371CMF5552R300FHEB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FTD52R3 are qualified based on the following criteria:

Primary Substitution Parameters:

• Resistance value: 52.3 Ohms (exact match required)
• Composition: Metal film construction
• Package: Axial through-hole configuration
• Termination count: 2 terminations
• Compliance: ROHS3 Compliant, REACH Unaffected

Allowable Variations:

• Tolerance: Equal to or tighter than ±1%
• Power rating: Equal to or greater than 0.25W
• Temperature coefficient: Within specified operating range
• Operating temperature: Minimum -55°C ~ 155°C or extended range
• Packaging format: Tape & Reel (TR) or Cut Tape (CT)

Two substitute parts meet these criteria:

1. RNF14BAD52R3 (Stackpole Electronics Inc): Tighter tolerance grade (±0.1%) with identical power rating and package type
2. CMF5552R300FHEB (Vishay Dale): Higher power rating (0.5W) with extended operating temperature range and moisture resistance features

Parameter Comparison

Engineering Selection Recommendations

RNF14BAD52R3 Selection Criteria: Select this substitute when tighter tolerance specifications (±0.1%) are required for precision circuit applications while maintaining identical power rating and temperature operating range. Both parts are manufactured by Stackpole Electronics Inc and carry ROHS3 compliance. The primary difference is tolerance grade; this part provides improved accuracy for circuits sensitive to resistance value drift.

CMF5552R300FHEB Selection Criteria: Select this substitute when applications require higher power dissipation capability (0.5W versus 0.25W) or extended operating temperature range to 175°C. This Vishay Dale component includes moisture resistance features and lower temperature coefficient (±50ppm/°C), suitable for environments with elevated thermal or humidity conditions. ROHS3 compliance is maintained.

Both substitute parts maintain the required 52.3 Ohm resistance value, metal film composition, axial package configuration, and regulatory compliance status of the original RNF14FTD52R3.

Frequently Asked Questions (FAQ)

Q: Can RNF14BAD52R3 be used as a direct replacement for RNF14FTD52R3?

A: Yes. Both parts share identical resistance (52.3 Ohms), power rating (0.25W), operating temperature range (-55°C ~ 155°C), and axial package configuration. The RNF14BAD52R3 provides tighter tolerance (±0.1% versus ±1%), making it suitable for applications where the original part is specified.

Q: What are the physical dimension differences between these parts?

A: RNF14FTD52R3 and RNF14BAD52R3 both measure 0.093" Dia x 0.250" L (2.35mm x 6.35mm). CMF5552R300FHEB measures 0.090" Dia x 0.240" L (2.29mm x 6.10mm), representing a minor dimensional variation within typical axial resistor tolerances.

Q: When should CMF5552R300FHEB be selected over the Stackpole options?

A: Select CMF5552R300FHEB when circuit design requires 0.5W power rating instead of 0.25W, or when operating temperatures exceed 155°C up to 175°C. The moisture resistance feature and lower temperature coefficient (±50ppm/°C) also make this part suitable for harsh environmental conditions.

Q: Are packaging format differences significant for circuit board assembly?

A: Packaging format differences (Tape & Reel versus Cut Tape) affect procurement and assembly processes but do not impact electrical performance or board-level compatibility. Both formats contain identical components in axial configuration.

Q: Do all three parts maintain regulatory compliance?

A: Yes. RNF14FTD52R3, RNF14BAD52R3, and CMF5552R300FHEB are all ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and use.