RNF14FTC196K Equivalent & Substitute Parts

Part Overview

The RNF14FTC196K is a 196 kOhms ±1% metal film through-hole resistor rated at 0.25W (1/4W) in axial package configuration, manufactured by Stackpole Electronics Inc. This component features flame retardant coating and safety-rated construction suitable for general-purpose electronic applications. The part maintains Active product status with 1149 units in current inventory. Substitute parts are identified to address specific application requirements including enhanced tolerance specifications, increased power ratings, or alternative packaging formats while maintaining core electrical and mechanical compatibility.

Substiute Parts

RNF14FTC196K

Stackpole Electronics IncIn Stock: 1174RNF14FTC196K Datasheet

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RNF14DTC196K

Stackpole Electronics IncIn Stock: 4807RNF14DTC196K Datasheet

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CMF55196K00FHEB

Vishay DaleIn Stock: 1858CMF55196K00FHEB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FTC196K are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain the same resistance value of 196 kOhms and metal film composition. Tolerance specifications may be tighter (±0.5%) or equivalent (±1%), both acceptable for substitution. Temperature coefficient remains constant at ±50ppm/°C across all qualified substitutes.

Mechanical Compatibility: All parts utilize axial package configuration with two terminations, ensuring direct physical compatibility in through-hole applications. Dimensional variations are within acceptable tolerances for standard PCB footprints.

Power Rating Consideration: The main part is rated at 0.25W. Substitute parts may have equal or higher power ratings (0.5W), which do not restrict substitution in applications designed for the original 0.25W specification.

Environmental & Compliance: All parts feature flame retardant coating and maintain ROHS3 compliance. Operating temperature ranges support the primary specification (-55°C to 155°C) with one substitute extending to 175°C.

Packaging Format: The main part is supplied in Tape & Reel (TR) format. Substitute parts may be supplied in Cut Tape (CT) or alternative formats, which do not affect electrical or mechanical function.

Parameter Comparison

Engineering Selection Recommendations

RNF14DTC196K (Stackpole Electronics Inc): This substitute offers tighter tolerance specification (±0.5% versus ±1%) while maintaining identical power rating, temperature coefficient, and operating range. Both parts are manufactured by Stackpole Electronics Inc, ensuring consistent design and quality standards. This option is suitable for applications requiring improved accuracy without increased power dissipation capability. Higher inventory availability (4773 units) supports procurement flexibility.

CMF55196K00FHEB (Vishay Dale): This substitute provides doubled power rating (0.5W versus 0.25W) with extended maximum operating temperature (175°C versus 155°C) and added moisture resistance feature. Manufactured by Vishay Dale, this part maintains equivalent tolerance (±1%) and identical resistance value. This option is suitable for applications with elevated thermal environments or where additional power margin is beneficial. All parts maintain ROHS3 compliance and equivalent environmental certifications.

Frequently Asked Questions (FAQ)

Q: Can RNF14DTC196K directly replace RNF14FTC196K in existing designs?

A: Yes. Both parts share identical electrical specifications (196 kOhms, ±50ppm/°C, -55°C to 155°C), identical power rating (0.25W), and identical axial package configuration. The tighter tolerance of RNF14DTC196K (±0.5%) is a functional improvement. Packaging format difference (Cut Tape versus Tape & Reel) does not affect circuit performance.

Q: What are the advantages of CMF55196K00FHEB over the original part?

A: CMF55196K00FHEB provides two functional enhancements: doubled power rating (0.5W versus 0.25W) and extended operating temperature range (up to 175°C versus 155°C). Additionally, moisture resistance feature provides enhanced environmental protection. These characteristics make it suitable for higher-stress thermal or humidity-exposed applications while maintaining backward compatibility in standard applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RNF14FTC196K, RNF14DTC196K, and CMF55196K00FHEB all maintain ROHS3 compliance status. All parts are REACH Unaffected and classified under ECCN EAR99.

Q: Does packaging format (Tape & Reel versus Cut Tape) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly logistics. Electrical and mechanical specifications remain identical regardless of packaging format. Component selection should be based on procurement and assembly process requirements.

Q: Can CMF55196K00FHEB be used in applications originally designed for 0.25W power rating?

A: Yes. The higher power rating (0.5W) of CMF55196K00FHEB does not restrict its use in 0.25W applications. Power rating indicates maximum dissipation capability; using a higher-rated component in a lower-power application introduces no functional risk and may provide thermal margin benefit.