RNF14BTD4K99 Equivalent & Substitute Parts

Part Overview

The RNF14BTD4K99 is a 4.99 kOhms ±0.1% 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 precision applications requiring tight tolerance specifications. The part is currently active in production with 1164 units in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter ranges for this resistor category.

Substiute Parts

RNF14BTD4K99

Stackpole Electronics IncIn Stock: 1269RNF14BTD4K99 Datasheet

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CMF554K9900BHEB

Vishay DaleIn Stock: 3802CMF554K9900BHEB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the RNF14BTD4K99 is determined by the following criteria:

• Resistance value must be 4.99 kOhms
• Tolerance must be ±0.1% or tighter
• Composition must be metal film
• Package must be axial through-hole
• Power rating must be equal to or greater than 0.25W
• Operating temperature range must encompass or exceed -55°C ~ 155°C
• RoHS3 compliance required

The CMF554K9900BHEB meets these substitution criteria with equivalent electrical specifications and enhanced performance characteristics in power rating and temperature coefficient.

Parameter Comparison

Engineering Selection Recommendations

Both the RNF14BTD4K99 and CMF554K9900BHEB are active production components with ROHS3 compliance and REACH unaffected status. The CMF554K9900BHEB provides enhanced specifications including higher power dissipation capability (0.5W versus 0.25W), improved temperature coefficient (±50ppm/°C versus ±100ppm/°C), and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 155°C). Both components maintain identical resistance and tolerance specifications. Selection between these parts depends on application power dissipation requirements and thermal operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the CMF554K9900BHEB directly replace the RNF14BTD4K99?

A: Yes. Both components share identical resistance (4.99 kOhms) and tolerance (±0.1%) specifications with metal film composition in axial package configuration. The CMF554K9900BHEB has higher power rating and improved temperature coefficient, making it suitable for applications where the RNF14BTD4K99 is specified.

Q: What are the physical dimension differences?

A: RNF14BTD4K99 dimensions are 0.093" Dia x 0.250" L (2.35mm x 6.35mm). CMF554K9900BHEB dimensions are 0.090" Dia x 0.240" L (2.29mm x 6.10mm). Both are axial package format with minimal dimensional variation.

Q: Are there compliance differences between these parts?

A: Both components are ROHS3 compliant and REACH unaffected. No compliance disadvantages exist when substituting either direction within application constraints.

Q: What determines if a substitute is acceptable for my application?

A: Acceptable substitutes must maintain the same resistance value, tolerance, composition, and package type. Power rating of the substitute must equal or exceed the original specification. Operating temperature range of the substitute must encompass the application's thermal requirements.

Q: Does packaging format affect substitution?

A: The RNF14BTD4K99 is supplied in Tape & Reel (TR) format while CMF554K9900BHEB is supplied in Cut Tape (CT) format. Both are axial through-hole components suitable for identical PCB assembly processes. Packaging format does not affect electrical or mechanical compatibility.