RNF14FAD100K Equivalent & Substitute Parts

Part Overview

The RNF14FAD100K is a 100 kOhms ±1% metal film axial through-hole resistor rated at 0.25W (1/4W) manufactured by Stackpole Electronics Inc. This component is Active status and ROHS3 compliant. Substitute parts are identified when equivalent electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (axial package, through-hole termination) are maintained across alternative manufacturers or product series.

Key Parameters

Parameter	Value
Resistance	100 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Composition	Metal Film
Package Type	Axial
Termination	Through Hole (2 terminations)
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on allowed parameter variations:

Direct Substitutes (Identical Electrical & Mechanical Specifications): Parts maintaining 100 kOhms resistance, ±1% tolerance, 0.25W power rating, and axial through-hole package. Packaging format (Tape & Box vs. Cut Tape) does not affect electrical or mechanical compatibility.

Upgrade Substitutes (Enhanced Specifications): Parts with improved tolerance (±0.1%), increased power rating (0.5W or 1W), or extended temperature range while maintaining 100 kOhms resistance and axial through-hole package. These parts are electrically and mechanically compatible but offer enhanced performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coeff	Operating Temp	Packaging	RoHS Status
RNF14FAD100K	Stackpole Electronics Inc	100 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	Tape & Box	ROHS3
RNF14FTD100K	Stackpole Electronics Inc	100 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	Cut Tape	ROHS3
RNF14BTE100K	Stackpole Electronics Inc	100 kOhms	±0.1%	0.25W	±25ppm/°C	-55°C ~ 155°C	Cut Tape	ROHS3
RNMF12FTD100K	Stackpole Electronics Inc	100 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	Cut Tape	ROHS3
CMF55100K00FHEB	Vishay Dale	100 kOhms	±1%	0.5W	±50ppm/°C	-55°C ~ 175°C	Cut Tape	ROHS3
CPF1100K00BHEE6	Vishay Dale	100 kOhms	±0.1%	1W	±50ppm/°C	-65°C ~ 230°C	Cut Tape	ROHS3
CPF1100K00FEEE6	Vishay Dale	100 kOhms	±1%	1W	±25ppm/°C	-65°C ~ 230°C	Cut Tape	ROHS3
CPF1100K00FKEE6	Vishay Dale	100 kOhms	±1%	1W	±100ppm/°C	-65°C ~ 230°C	Cut Tape	ROHS3

Engineering Selection Recommendations

Direct Substitution (No Performance Change): RNF14FTD100K is a direct electrical and mechanical equivalent. Selection between RNF14FAD100K and RNF14FTD100K depends solely on packaging requirements (Tape & Box vs. Cut Tape). Both maintain identical electrical performance and ROHS3 compliance.

Tolerance Enhancement: RNF14BTE100K provides improved tolerance (±0.1% vs. ±1%) and reduced temperature coefficient (±25ppm/°C vs. ±100ppm/°C) while maintaining 0.25W power rating and Stackpole Electronics Inc manufacturing. This upgrade is suitable for applications requiring tighter tolerance specifications.

Power Rating Upgrade: RNMF12FTD100K (Stackpole, 0.5W) and CMF55100K00FHEB (Vishay Dale, 0.5W) provide doubled power dissipation capacity. CPF1100K00FEEE6 and CPF1100K00FKEE6 (Vishay Dale, 1W) provide quadrupled power capacity with extended operating temperature range (-65°C ~ 230°C). These upgrades are suitable for applications with higher thermal stress or extended temperature requirements.

Multi-Parameter Upgrade: CPF1100K00BHEE6 combines 1W power rating with ±0.1% tolerance and extended temperature range (-65°C ~ 230°C), representing the highest performance specification available among substitute options.

All substitute parts maintain ROHS3 compliance and axial through-hole package compatibility with the original RNF14FAD100K.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD100K replace RNF14FAD100K directly? A: Yes. Both parts are identical in electrical specifications (100 kOhms, ±1%, 0.25W) and mechanical package (axial through-hole). The difference is packaging format only (Cut Tape vs. Tape & Box), which does not affect circuit performance.

Q: What is the difference between direct substitutes and upgrade substitutes? A: Direct substitutes maintain all electrical and mechanical parameters of the original part. Upgrade substitutes improve one or more specifications (tolerance, power rating, temperature range) while maintaining the core 100 kOhms resistance and axial through-hole package.

Q: Can I use a 0.5W or 1W resistor in place of the 0.25W RNF14FAD100K? A: Yes, from an electrical and mechanical standpoint. Higher power-rated resistors are physically compatible with 0.25W footprints and will function correctly. However, verify that board layout and thermal design accommodate the substitute part's physical dimensions.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original RNF14FAD100K specification.

Q: What is the significance of temperature coefficient differences? A: Temperature coefficient (ppm/°C) indicates resistance value drift over temperature. Lower values (±25ppm/°C) indicate better stability across temperature extremes. Selection depends on application sensitivity to resistance variation across the operating temperature range.

Q: Can I substitute a Vishay Dale part for a Stackpole Electronics Inc part? A: Yes, provided electrical specifications (resistance, tolerance, power rating) and mechanical package (axial through-hole) are equivalent. Manufacturer substitution does not affect circuit compatibility when specifications match.

Q: What does ±0.1% tolerance mean compared to ±1%? A: ±0.1% tolerance means the actual resistance value will be within 0.1% of the nominal 100 kOhms value (99.9 kOhms to 100.1 kOhms). ±1% tolerance allows variation from 99 kOhms to 101 kOhms. Tighter tolerance is required for precision circuits and measurement applications.

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