RNF12FTC174R Equivalent & Substitute Parts

Part Overview

The RNF12FTC174R is a 174 Ohm ±1% metal film through-hole resistor rated at 0.5W (1/2W) in axial package configuration, manufactured by Stackpole Electronics Inc. This component features flame retardant coating and safety-grade construction suitable for industrial and consumer electronics applications. The part maintains Active product status with 661 units in current inventory. Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and regulatory compliance can be maintained across alternative manufacturers.

Substiute Parts

RNF12FTC174R

Stackpole Electronics IncIn Stock: 753RNF12FTC174R Datasheet

Current PartRFQ

CMF55174R00FHEB

Vishay DaleIn Stock: 4351CMF55174R00FHEB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNF12FTC174R is determined by strict equivalence across the following parameters:

• Resistance value: 174 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.5W / 1/2W (exact match required)
• Composition: Metal Film (exact match required)
• Package: Axial through-hole (exact match required)
• Temperature coefficient: ±50ppm/°C (exact match required)
• Regulatory compliance: ROHS3 Compliant, REACH Unaffected (minimum requirement)

The CMF55174R00FHEB from Vishay Dale meets all substitution criteria. Both components share identical electrical specifications and regulatory certifications, with compatible mechanical dimensions suitable for direct board-level replacement.

Parameter Comparison

Engineering Selection Recommendations

Both the RNF12FTC174R and CMF55174R00FHEB maintain Active product status and full ROHS3 compliance with REACH Unaffected designation. Selection between these components is based on application requirements and supply chain availability. The CMF55174R00FHEB provides an extended operating temperature range to 175°C and includes moisture-resistant properties, offering broader environmental tolerance. The RNF12FTC174R remains suitable for standard industrial applications within its specified -55°C to 155°C range. Both components satisfy identical electrical and mechanical requirements for direct substitution in axial through-hole circuit designs.

Frequently Asked Questions (FAQ)

Q: Can CMF55174R00FHEB replace RNF12FTC174R in existing designs?

A: Yes. Both components share identical resistance (174 Ohms), tolerance (±1%), power rating (0.5W), composition (metal film), and temperature coefficient (±50ppm/°C). Axial package compatibility permits direct board-level substitution without design modification.

Q: What are the physical dimension differences?

A: RNF12FTC174R dimensions are 0.108" diameter × 0.344" length (2.75mm × 8.75mm). CMF55174R00FHEB dimensions are 0.090" diameter × 0.240" length (2.29mm × 6.10mm). The substitute part is physically smaller, which may affect board layout in space-constrained applications but does not impact electrical performance.

Q: Are there packaging format differences?

A: RNF12FTC174R is supplied in Tape & Reel (TR) format. CMF55174R00FHEB is supplied in Cut Tape (CT) format. Packaging format does not affect component functionality or substitution eligibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both components are ROHS3 Compliant and REACH Unaffected, meeting identical regulatory standards for industrial and consumer electronics applications.

Q: What is the temperature range difference?

A: RNF12FTC174R operates from -55°C to 155°C. CMF55174R00FHEB operates from -55°C to 175°C. The substitute part provides 20°C additional high-temperature capability, suitable for elevated-temperature environments.