RNF14BTC100R Equivalent & Substitute Parts

Part Overview

The RNF14BTC100R is a 100 Ohm metal film axial through-hole resistor manufactured by Stackpole Electronics Inc. This 1/4W (0.25W) component features ±0.1% tolerance and flame retardant coating, designed for precision applications requiring tight tolerance specifications. The part is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter ranges for this resistor category.

Substiute Parts

RNF14BTC100R

Stackpole Electronics IncIn Stock: 887RNF14BTC100R Datasheet

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CMF55100R00BEEB

Vishay DaleIn Stock: 1560CMF55100R00BEEB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14BTC100R are qualified based on the following criteria:

Electrical Equivalence: Resistance value (100 Ohms) and tolerance (±0.1%) must be identical. Composition must be metal film to maintain performance characteristics.

Mechanical Compatibility: Package type must be axial through-hole to ensure PCB footprint compatibility.

Environmental Specifications: Operating temperature range and temperature coefficient determine functional equivalence in thermal environments. Substitute parts must support the application's temperature requirements.

Compliance & Status: Both main and substitute parts must maintain Active product status and ROHS3 compliance for regulatory alignment.

Power Rating Consideration: While the main part is rated 0.25W, substitute parts with equal or higher power ratings (0.5W) are acceptable as they provide equivalent or superior thermal performance in the same package form factor.

Parameter Comparison

Engineering Selection Recommendations

The CMF55100R00BEEB qualifies as a direct substitute for the RNF14BTC100R based on electrical and mechanical equivalence. Both components share identical resistance (100 Ohms) and tolerance (±0.1%), metal film composition, and axial package configuration. Both maintain Active product status and ROHS3 compliance.

The CMF55100R00BEEB provides enhanced specifications in three areas: higher power rating (0.5W vs 0.25W), superior temperature coefficient (±25ppm/°C vs ±50ppm/°C), and extended operating temperature range (-55°C to 175°C vs -55°C to 155°C). These characteristics make the substitute suitable for applications where the main part is specified, with no functional degradation.

Packaging format differs (Cut Tape vs Tape & Reel), which affects procurement and assembly logistics but does not impact electrical or mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can CMF55100R00BEEB replace RNF14BTC100R in existing designs?

A: Yes. Both components have identical resistance (100 Ohms), tolerance (±0.1%), metal film composition, and axial package type. Electrical and mechanical compatibility is maintained. The substitute offers equal or superior performance across all specified parameters.

Q: Does the higher power rating of the substitute affect circuit operation?

A: No. The 0.5W rating of CMF55100R00BEEB is a thermal capability specification. In circuits designed for 0.25W resistors, the substitute will operate within safe thermal limits with no impact on circuit function or performance.

Q: Are there temperature-related differences between these parts?

A: The substitute has a lower temperature coefficient (±25ppm/°C vs ±50ppm/°C) and wider operating range (-55°C to 175°C vs -55°C to 155°C). These represent improvements for temperature-sensitive applications. For circuits operating within -55°C to 155°C, both parts perform equivalently.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Both are standard through-hole component packaging formats. Tape & Reel is continuous reel packaging for automated assembly. Cut Tape is pre-cut sections for manual or semi-automated assembly. Electrical and mechanical specifications are identical; packaging choice depends on assembly process requirements.

Q: Do both parts meet the same compliance standards?

A: Yes. Both RNF14BTC100R and CMF55100R00BEEB are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.