RNF14FAD44K2 Equivalent & Substitute Parts

Part Overview

The RNF14FAD44K2 is a 44.2 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 requiring precision resistance values. The part maintains Active product status with 845 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design optimization across compatible electrical and mechanical specifications.

Substiute Parts

RNF14FAD44K2

Stackpole Electronics IncIn Stock: 882RNF14FAD44K2 Datasheet

Current PartRFQ

RNF14FTD44K2

Stackpole Electronics IncIn Stock: 6848RNF14FTD44K2 Datasheet

DirectRFQ

CMF5544K200FHEB

Vishay DaleIn Stock: 2380CMF5544K200FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD44K2 are classified based on the following critical parameters that determine functional and mechanical compatibility:

Direct Equivalent (Same Electrical & Mechanical Specifications):

• Resistance value: 44.2 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Composition: Metal Film
• Package: Axial
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Upgrade Substitute (Enhanced Specifications):

• Resistance value: 44.2 kOhms (identical)
• Tolerance: ±1% (identical)
• Power rating: 0.5W (1/2W) — higher power dissipation capability
• Composition: Metal Film (identical)
• Package: Axial (identical)
• Temperature coefficient: ±50ppm/°C — improved stability
• Operating temperature range: -55°C ~ 175°C — extended upper limit

All substitute parts maintain ROHS3 compliance and identical electrical resistance specifications, ensuring direct functional substitution within the specified parameter constraints.

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD44K2 (Direct Equivalent): Select this substitute when procurement requires identical electrical and thermal specifications with alternative packaging format. Both parts are manufactured by Stackpole Electronics Inc and maintain Active product status with ROHS3 compliance. The primary distinction is packaging format (Cut Tape vs. Tape & Box), making this suitable for high-volume automated assembly environments. Inventory availability is significantly higher (6802 units vs. 845 units).

CMF5544K200FHEB (Upgrade Substitute): Select this substitute when circuit design permits higher power dissipation capability or requires improved temperature stability. The CMF5544K200FHEB provides 0.5W power rating (double the main part) and superior temperature coefficient (±50ppm/°C vs. ±100ppm/°C), with extended operating temperature range to 175°C. This upgrade is suitable for applications with thermal margin requirements or enhanced precision demands. Manufactured by Vishay Dale with Active product status and ROHS3 compliance. Slight dimensional variation (0.090" Dia x 0.240" L) remains compatible with standard axial component footprints.

All substitute parts maintain identical resistance value (44.2 kOhms) and tolerance (±1%), ensuring direct functional compatibility in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD44K2 be used as a direct replacement for RNF14FAD44K2?

A: Yes. Both parts share identical electrical specifications (44.2 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C operating range) and mechanical package (Axial). The difference is packaging format: RNF14FAD44K2 uses Tape & Box while RNF14FTD44K2 uses Cut Tape. Both are manufactured by Stackpole Electronics Inc and maintain ROHS3 compliance.

Q: Is CMF5544K200FHEB compatible with circuits designed for RNF14FAD44K2?

A: Yes, with design verification. CMF5544K200FHEB maintains identical resistance (44.2 kOhms ±1%) and tolerance, enabling direct functional substitution. However, the higher power rating (0.5W vs. 0.25W) and improved temperature coefficient (±50ppm/°C vs. ±100ppm/°C) represent performance enhancements. Verify that circuit board layout accommodates the slightly smaller dimensions (0.090" Dia x 0.240" L vs. 0.093" Dia x 0.250" L).

Q: What are the key differences between these substitute parts?

A: RNF14FTD44K2 is a direct equivalent with identical specifications but different packaging format. CMF5544K200FHEB is an upgrade substitute offering higher power dissipation (0.5W), better temperature stability (±50ppm/°C), and extended operating temperature range (-55°C ~ 175°C). All three parts maintain the same 44.2 kOhms resistance value and ±1% tolerance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. RNF14FAD44K2, RNF14FTD44K2, and CMF5544K200FHEB are all ROHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing.

Q: Which substitute should be selected for high-volume production?

A: RNF14FTD44K2 is recommended for high-volume automated assembly due to Cut Tape packaging format and significantly higher inventory availability (6802 units). This format integrates efficiently with pick-and-place equipment and tape-fed component handling systems.