RNF18FTD15R0 Equivalent & Substitute Parts

Part Overview

The RNF18FTD15R0 is a 15 Ohm ±1% metal film through-hole resistor rated at 0.125W (1/8W) in axial package configuration. Manufactured by Stackpole Electronics Inc, this component features flame retardant coating and safety construction suitable for general-purpose electronic applications. The part maintains Active product status with 703 units currently in stock. Substitute parts are identified when equivalent electrical performance is required but alternative packaging, power ratings, or series variants are acceptable for system design requirements.

Substiute Parts

RNF18FTD15R0

Stackpole Electronics IncIn Stock: 772RNF18FTD15R0 Datasheet

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RNMF14FTC15R0

Stackpole Electronics IncIn Stock: 5448RNMF14FTC15R0 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The RNMF14FTC15R0 qualifies as a substitute based on the following criteria:

Electrical Equivalence: Both parts maintain identical resistance value (15 Ohms) and tolerance (±1%), ensuring functional compatibility in circuits where the specified resistance is required.

Composition Match: Both utilize metal film construction, providing equivalent stability and performance characteristics.

Operating Range Compatibility: Both parts operate across the identical temperature range (-55°C to 155°C), maintaining performance in equivalent environmental conditions.

Compliance Alignment: Both parts are ROHS3 Compliant and REACH Unaffected, meeting identical regulatory requirements.

Allowable Variation: The substitute part features a higher power rating (0.25W vs. 0.125W) and improved temperature coefficient (±50ppm/°C vs. ±100ppm/°C), representing an upgrade in performance margins. The RNMF14FTC15R0 belongs to the RNMF (Mini) series and is supplied in Cut Tape (CT) packaging versus Tape & Reel (TR) for the main part.

Parameter Comparison

Engineering Selection Recommendations

Both the RNF18FTD15R0 and RNMF14FTC15R0 maintain Active product status, ensuring continued availability and manufacturing support. Selection between these parts depends on application-specific requirements:

The RNF18FTD15R0 is appropriate for applications where the 0.125W power rating is sufficient and Tape & Reel packaging is required for automated assembly processes.

The RNMF14FTC15R0 provides enhanced performance margins with doubled power rating (0.25W) and superior temperature stability (±50ppm/°C), making it suitable for applications requiring greater thermal performance or higher dissipation headroom. Cut Tape packaging accommodates manual assembly or lower-volume production workflows.

Both parts satisfy ROHS3 and REACH compliance requirements, supporting equivalent regulatory frameworks for end-use applications.

Frequently Asked Questions (FAQ)

Q: Can RNMF14FTC15R0 directly replace RNF18FTD15R0 in existing designs?

A: Yes. Both parts provide identical resistance (15 Ohms) and tolerance (±1%), with matching operating temperature ranges and composition. The substitute offers improved specifications (higher power rating and better temperature coefficient), making it functionally compatible in circuits designed for the original part.

Q: What is the primary difference between these two parts?

A: The main differences are power rating (0.125W vs. 0.25W), temperature coefficient (±100ppm/°C vs. ±50ppm/°C), packaging format (Tape & Reel vs. Cut Tape), and series designation (RNF vs. RNMF Mini). Electrical resistance and tolerance remain identical.

Q: Does the higher power rating of RNMF14FTC15R0 affect circuit performance?

A: No. A higher power rating does not negatively impact circuit performance. It provides additional thermal margin and dissipation capability, making the part suitable for applications with higher current demands or thermal stress.

Q: Are both parts suitable for high-temperature applications?

A: Yes. Both parts operate across -55°C to 155°C, supporting equivalent high-temperature performance. The RNMF14FTC15R0 offers superior temperature stability due to its lower temperature coefficient (±50ppm/°C).

Q: What packaging considerations apply when substituting these parts?

A: RNF18FTD15R0 is supplied in Tape & Reel format for automated pick-and-place assembly. RNMF14FTC15R0 is supplied in Cut Tape format, suitable for manual handling or lower-volume assembly. Verify packaging compatibility with your assembly process before substitution.