RNF14FAD23K7 Equivalent & Substitute Parts

Part Overview

The RNF14FAD23K7 is a 23.7 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 791 units currently in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory optimization, and design continuity when the primary part becomes unavailable or when upgraded performance characteristics are required.

Substiute Parts

RNF14FAD23K7

Stackpole Electronics IncIn Stock: 895RNF14FAD23K7 Datasheet

Current PartRFQ

RNF14FTD23K7

Stackpole Electronics IncIn Stock: 14236RNF14FTD23K7 Datasheet

DirectRFQ

CMF5523K700FHEB

Vishay DaleIn Stock: 1922CMF5523K700FHEB Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RNF14FAD23K7 are classified based on the following critical parameters that determine functional equivalence:

Direct Equivalent Criteria:

• Resistance value: 23.7 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Composition: Metal Film (exact match required)
• Package: Axial through-hole (exact match required)
• Compliance: ROHS3 Compliant, REACH Unaffected (exact match required)

Upgrade Criteria:

• Power rating may be increased (0.25W to 0.5W) for enhanced thermal margin
• Temperature coefficient may be improved (±100ppm/°C to ±50ppm/°C)
• Operating temperature range may be extended
• Packaging format may differ (Tape & Box to Cut Tape) without affecting electrical performance

The RNF14FTD23K7 qualifies as a direct equivalent with identical electrical specifications and differs only in packaging format. The CMF5523K700FHEB qualifies as an upgrade substitute with superior power rating and temperature coefficient while maintaining all critical electrical parameters.

Parameter Comparison

Engineering Selection Recommendations

RNF14FTD23K7 (Direct Equivalent): Select this part for direct replacement when packaging format flexibility is acceptable. Identical electrical specifications and compliance certifications ensure pin-for-pin functional equivalence. Higher inventory availability (14220 units) supports procurement continuity. Cut Tape packaging format is suitable for automated assembly processes.

CMF5523K700FHEB (Upgrade Substitute): Select this part when enhanced thermal performance is required or when operating conditions approach the upper temperature limits of the primary part. The 0.5W power rating provides increased thermal margin over the 0.25W primary specification. Superior temperature coefficient (±50ppm/°C versus ±100ppm/°C) delivers improved long-term stability. Extended operating temperature range (-55°C ~ 175°C) accommodates higher ambient conditions. Moisture-resistant construction provides additional environmental protection. All parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment across all substitution options.

Frequently Asked Questions (FAQ)

Q: Can RNF14FTD23K7 be used as a direct replacement for RNF14FAD23K7?

A: Yes. Both parts share identical electrical specifications: 23.7 kOhms ±1%, 0.25W power rating, metal film composition, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. The only difference is packaging format (Cut Tape versus Tape & Box), which does not affect electrical performance or circuit functionality.

Q: What are the advantages of using CMF5523K700FHEB instead of the primary part?

A: The CMF5523K700FHEB offers three performance enhancements: doubled power rating (0.5W versus 0.25W) for improved thermal headroom, superior temperature coefficient (±50ppm/°C versus ±100ppm/°C) for better stability, and extended operating temperature range (-55°C ~ 175°C versus -55°C ~ 155°C). Moisture-resistant construction provides additional environmental protection. These upgrades are beneficial in high-temperature applications or designs requiring tighter tolerance maintenance over extended operating periods.

Q: Are all substitute parts compliant with current regulatory requirements?

A: Yes. All three parts maintain ROHS3 compliance and REACH unaffected status, ensuring compatibility with current environmental and safety regulations across all markets.

Q: Does the axial package dimension change between substitute parts?

A: Dimensions are similar but not identical. RNF14FAD23K7 and RNF14FTD23K7 share 0.093" diameter × 0.250" length (2.35mm × 6.35mm). CMF5523K700FHEB has slightly smaller dimensions: 0.090" diameter × 0.240" length (2.29mm × 6.10mm). Both configurations fit standard axial component footprints and mounting hardware without modification.

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

A: RNF14FTD23K7 is recommended for high-volume production due to superior inventory availability (14220 units) and Cut Tape packaging format optimized for automated assembly processes. This selection minimizes supply chain risk and supports efficient manufacturing workflows.