RNF14DTC100R Equivalent & Substitute Parts

Part Overview

The RNF14DTC100R is a 100 Ohm, 0.25W metal film axial resistor manufactured by Stackpole Electronics Inc. This component is designed for through-hole applications requiring precision resistance with flame retardant coating and safety features. The part maintains Active product status with 788 units in current inventory. Substitute parts are identified when equivalent resistance values, tolerance specifications, and package configurations align with application requirements while maintaining or improving performance characteristics.

Substiute Parts

RNF14DTC100R

Stackpole Electronics IncIn Stock: 803RNF14DTC100R 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 RNF14DTC100R are qualified based on the following criteria:

Mandatory Matching Parameters:

• Resistance value: 100 Ohms
• Package configuration: Axial through-hole
• Composition: Metal Film
• Compliance: ROHS3 Compliant, REACH Unaffected

Allowable Parameter Variations:

• Tolerance: Equal to or tighter than ±0.5%
• Power rating: Equal to or greater than 0.25W
• Temperature coefficient: Equal to or lower absolute value
• Operating temperature range: Equal to or exceeding -55°C to 155°C
• Packaging format: Tape & Reel or Cut Tape acceptable

The CMF55100R00BEEB qualifies as a substitute based on these criteria, offering improved specifications in tolerance, power rating, and temperature stability while maintaining identical resistance value and axial package configuration.

Parameter Comparison

Engineering Selection Recommendations

The CMF55100R00BEEB is a qualified substitute for the RNF14DTC100R in applications where the following conditions are met:

• Circuit design accommodates the 0.5W power rating (equal to or greater than the 0.25W requirement)
• PCB layout tolerates the slightly smaller physical dimensions (0.090" Dia x 0.240" L versus 0.093" Dia x 0.250" L)
• Procurement workflow accepts Cut Tape packaging format in place of Tape & Reel format
• Operating temperature environment does not exceed 155°C, or benefits from the extended 175°C upper limit

Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment. The substitute offers superior tolerance (±0.1% versus ±0.5%) and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), resulting in improved circuit stability and precision.

Frequently Asked Questions (FAQ)

Q: Can the CMF55100R00BEEB replace the RNF14DTC100R in any circuit?

A: The CMF55100R00BEEB is a direct functional substitute when the circuit design accommodates its 0.5W power rating and the PCB layout accepts its slightly smaller dimensions. Both components share identical 100 Ohm resistance values, axial package configuration, and metal film composition.

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

A: The CMF55100R00BEEB provides tighter tolerance (±0.1% versus ±0.5%), higher power rating (0.5W versus 0.25W), lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), and extended operating temperature range (-55°C to 175°C versus -55°C to 155°C).

Q: Are there packaging compatibility concerns?

A: The RNF14DTC100R is supplied in Tape & Reel format, while the CMF55100R00BEEB is supplied in Cut Tape format. Both are standard through-hole packaging formats. Verify that your assembly process accommodates the packaging format of the selected substitute.

Q: Do both parts meet regulatory requirements?

A: Both the RNF14DTC100R and CMF55100R00BEEB are ROHS3 compliant and REACH unaffected, meeting current regulatory standards for electronic components.

Q: What determines whether a substitute is acceptable?

A: Substitution is acceptable when the resistance value, tolerance, package type, and composition match or exceed the original specification, and the power rating and operating temperature range meet or exceed circuit requirements.