RNF14FAD3K48 Equivalent & Substitute Parts

Part Overview

The RNF14FAD3K48 is a 3.48 kOhms ±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 resistance values with tight tolerance specifications. The part is currently in active production status with 1126 units available in stock. Substitute parts are identified to address packaging format requirements, inventory availability, or enhanced performance specifications while maintaining electrical and mechanical compatibility.

Substiute Parts

RNF14FAD3K48

Stackpole Electronics IncIn Stock: 1149RNF14FAD3K48 Datasheet

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RNF14FTC3K48

Stackpole Electronics IncIn Stock: 1263RNF14FTC3K48 Datasheet

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CMF553K4800FHEB

Vishay DaleIn Stock: 2704CMF553K4800FHEB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD3K48 are qualified based on the following electrical and mechanical parameters:

• Resistance Value: Must be 3.48 kOhms
• Tolerance: Must be ±1%
• Composition: Must be Metal Film
• Package Type: Must be Axial through-hole
• Compliance: Must maintain ROHS3 compliance and REACH unaffected status
• Features: Must include Flame Retardant Coating and Safety construction

Substitutes may vary in the following parameters within acceptable limits:

• Power Rating: Can be equal or higher (0.25W minimum)
• Temperature Coefficient: Can be equal or lower (±100ppm/°C maximum)
• Operating Temperature Range: Can be equal or extended
• Packaging Format: Can differ (Tape & Reel vs. Tape & Box vs. Cut Tape)
• Physical Dimensions: Minor variations acceptable within axial package standards

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status and full compliance with ROHS3 and REACH requirements. Selection between RNF14FAD3K48 and RNF14FTC3K48 depends on packaging format requirements: Tape & Box for manual assembly operations or Tape & Reel for automated pick-and-place systems. Both Stackpole parts are electrically identical in resistance and tolerance, with RNF14FTC3K48 offering improved temperature coefficient performance (±50ppm/°C vs. ±100ppm/°C).

CMF553K4800FHEB from Vishay Dale provides higher power dissipation capability (0.5W vs. 0.25W) and extended operating temperature range (-55°C ~ 175°C vs. -55°C ~ 155°C), with equivalent temperature coefficient and tolerance specifications. Physical dimensions are slightly smaller. This part is suitable for applications requiring thermal margin or operation at elevated temperatures while maintaining the same electrical performance.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTC3K48 be used as a direct replacement for RNF14FAD3K48?

A: Yes. Both parts are manufactured by Stackpole Electronics Inc with identical resistance (3.48 kOhms), tolerance (±1%), power rating (0.25W), and physical dimensions. The difference is packaging format: Tape & Reel versus Tape & Box. Electrical performance is equivalent.

Q: What is the advantage of CMF553K4800FHEB over the Stackpole parts?

A: CMF553K4800FHEB offers higher power rating (0.5W vs. 0.25W), extended operating temperature range to 175°C, and improved temperature coefficient (±50ppm/°C). These specifications provide additional thermal margin and stability in high-temperature applications. Resistance, tolerance, and composition remain identical.

Q: Are the physical dimensions compatible across all three parts?

A: All three parts use axial through-hole packaging. RNF14FAD3K48 and RNF14FTC3K48 have identical dimensions (0.093" Dia x 0.250" L). CMF553K4800FHEB is slightly smaller (0.090" Dia x 0.240" L) but remains compatible with standard axial component footprints and PCB hole spacing.

Q: Which part should be selected for automated assembly?

A: RNF14FTC3K48 in Tape & Reel format is optimized for automated pick-and-place equipment. CMF553K4800FHEB in Cut Tape format is suitable for semi-automated or manual assembly with tape dispensing systems.

Q: Do all parts meet the same compliance standards?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.