RNF14FAD100R Equivalent & Substitute Parts

Part Overview

The RNF14FAD100R is a 100 Ohm ±1% metal film axial through-hole resistor rated at 0.25W (1/4W) manufactured by Stackpole Electronics Inc. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements with flame retardant coating and safety features. Substitute parts are identified based on matching electrical specifications (resistance value and tolerance), power rating compatibility, and mechanical form factor, with consideration for enhanced performance characteristics where applicable.

Substiute Parts

RNF14FAD100R

Stackpole Electronics IncIn Stock: 733RNF14FAD100R Datasheet

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RNF14FTD100R

Stackpole Electronics IncIn Stock: 141041RNF14FTD100R Datasheet

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RNMF12FTD100R

Stackpole Electronics IncIn Stock: 5948RNMF12FTD100R Datasheet

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CMF55100R00BEEB

Vishay DaleIn Stock: 1560CMF55100R00BEEB Datasheet

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CMF55100R00FHEB

Vishay DaleIn Stock: 6837CMF55100R00FHEB Datasheet

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CPF1100R00FKEE6

Vishay DaleIn Stock: 4218CPF1100R00FKEE6 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD100R are classified based on the following substitution criteria:

Direct Equivalent (Same Electrical & Mechanical Specifications):

• RNF14FTD100R: Identical electrical parameters and power rating; differs only in packaging format (Cut Tape vs. Tape & Box)

Upgraded Substitutes (Enhanced Performance Parameters):

• RNMF12FTD100R: Same resistance and tolerance; increased power rating (0.5W vs. 0.25W); same temperature coefficient and operating range
• CMF55100R00BEEB: Same resistance; tighter tolerance (±0.1% vs. ±1%); increased power rating (0.5W); lower temperature coefficient (±25ppm/°C vs. ±100ppm/°C); extended operating temperature range (-55°C to 175°C); moisture resistant features
• CMF55100R00FHEB: Same resistance and tolerance (±1%); increased power rating (0.5W); lower temperature coefficient (±50ppm/°C); extended operating temperature range (-55°C to 175°C); moisture resistant features
• CPF1100R00FKEE6: Same resistance and tolerance (±1%); significantly increased power rating (1W); extended operating temperature range (-65°C to 230°C); flame proof and moisture resistant features

All substitute parts maintain the axial through-hole form factor and metal film composition. Substitution is valid when the application circuit can accommodate equal or higher power ratings and the operating temperature range requirements are met.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (No Circuit Modification Required): RNF14FTD100R is the direct equivalent when packaging format change from Tape & Box to Cut Tape is acceptable. Both parts are actively produced by Stackpole Electronics Inc and maintain identical electrical and thermal specifications.

For Applications Requiring Enhanced Thermal Performance: CMF55100R00FHEB or CMF55100R00BEEB are suitable when extended operating temperature range (-55°C to 175°C) is required. CMF55100R00BEEB provides additional tolerance tightening (±0.1%) and lower temperature coefficient (±25ppm/°C) for precision applications.

For Applications Requiring Higher Power Dissipation: RNMF12FTD100R (0.5W) or CPF1100R00FKEE6 (1W) accommodate circuits with increased power requirements. CPF1100R00FKEE6 extends the upper operating temperature to 230°C and provides flame proof construction.

All substitute parts are ROHS3 compliant and actively produced. Selection should be based on circuit power budget, thermal environment, and tolerance requirements.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD100R replace RNF14FAD100R directly? A: Yes. Both parts have identical electrical specifications (100 Ohms ±1%, 0.25W), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). The only difference is packaging format (Cut Tape vs. Tape & Box), which does not affect electrical performance.

Q: What is the difference between the Stackpole and Vishay Dale substitute options? A: Stackpole options (RNF14FTD100R, RNMF12FTD100R) maintain the original specifications with packaging or power rating variations. Vishay Dale options (CMF55, CPF1) offer enhanced performance characteristics including extended temperature ranges, improved temperature coefficients, and moisture resistance, at the cost of different physical dimensions and potential circuit board layout considerations.

Q: Can I use a 0.5W resistor in place of a 0.25W resistor? A: Yes, when the circuit design permits. A higher power-rated resistor can safely replace a lower power-rated resistor in the same resistance and tolerance class, provided the physical dimensions are compatible with the board layout and the operating temperature range is adequate.

Q: Are all substitute parts available in the same physical dimensions? A: No. Stackpole RNF and RNMF series maintain 0.093" diameter × 0.250" length. Vishay Dale CMF55 and CPF1 series are slightly smaller at 0.090" diameter × 0.240" length. Verify board layout compatibility before substitution.

Q: Which substitute offers the best tolerance specification? A: CMF55100R00BEEB provides ±0.1% tolerance, compared to ±1% for the original part and most substitutes. This tighter tolerance is suitable for precision measurement and calibration circuits.

Q: What is the temperature coefficient significance in selecting a substitute? A: Temperature coefficient indicates resistance value drift with temperature change. Lower values (±25ppm/°C for CMF55100R00BEEB vs. ±100ppm/°C for RNF14FAD100R) mean more stable resistance across the operating temperature range, important for precision analog circuits and temperature-sensitive applications.