RNMF14FTD301R Equivalent & Substitute Parts

Part Overview

The RNMF14FTD301R is a 301 Ohm ±1% metal film through-hole resistor rated at 0.25W (1/4W) with axial leads and flame retardant coating. Manufactured by Stackpole Electronics Inc, this component is classified as Active status and is ROHS3 compliant. Substitute parts may be required due to packaging format availability, inventory constraints, or specific application requirements where alternative package configurations are acceptable.

Substiute Parts

RNMF14FTD301R

Stackpole Electronics IncIn Stock: 996RNMF14FTD301R Datasheet

Current PartRFQ

RNF14FTD301R

Stackpole Electronics IncIn Stock: 61152RNF14FTD301R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of RNMF14FTD301R with RNF14FTD301R is based on electrical and functional equivalence. Both parts share identical electrical specifications: 301 Ohm resistance, ±1% tolerance, 0.25W power rating, metal film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both are manufactured by Stackpole Electronics Inc and maintain ROHS3 compliance. The primary difference is packaging format: RNMF14FTD301R is supplied in Tape & Reel (TR) configuration, while RNF14FTD301R is supplied in Cut Tape (CT) configuration. Physical dimensions differ slightly due to series variation (RNMF Mini series versus RNF series), but both maintain axial through-hole package type suitable for identical PCB footprints.

Parameter Comparison

Engineering Selection Recommendations

Both RNMF14FTD301R and RNF14FTD301R are electrically and functionally equivalent for applications requiring 301 Ohm ±1% metal film resistors at 0.25W power dissipation across the -55°C to 155°C operating range. Selection between these parts is determined by packaging and supply requirements rather than electrical performance. RNMF14FTD301R in Tape & Reel format is suitable for high-volume automated assembly operations. RNF14FTD301R in Cut Tape format accommodates lower-volume production runs or manual assembly processes. Both maintain Active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance for industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Are RNMF14FTD301R and RNF14FTD301R electrically identical? A: Yes. Both parts have identical electrical specifications: 301 Ohm resistance, ±1% tolerance, 0.25W power rating, metal film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating temperature range.

Q: What is the primary difference between these two parts? A: The primary difference is packaging format. RNMF14FTD301R is supplied in Tape & Reel (TR) configuration for automated assembly, while RNF14FTD301R is supplied in Cut Tape (CT) configuration for manual or lower-volume assembly.

Q: Can RNF14FTD301R be used as a direct replacement for RNMF14FTD301R? A: Yes, for applications where the packaging format change is acceptable. Both parts are axial through-hole resistors with identical electrical characteristics and PCB footprint compatibility.

Q: Do both parts meet the same compliance standards? A: Yes. Both RNMF14FTD301R and RNF14FTD301R are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements.

Q: Are there physical dimension differences between these parts? A: Yes. RNMF14FTD301R (Mini series) measures 0.070" Dia x 0.130" L, while RNF14FTD301R measures 0.093" Dia x 0.250" L. Despite dimensional variation, both maintain axial package type suitable for standard through-hole PCB applications.

Q: Which part should be selected for high-volume production? A: RNMF14FTD301R in Tape & Reel format is optimized for high-volume automated assembly operations.

Q: Which part should be selected for low-volume or manual assembly? A: RNF14FTD301R in Cut Tape format is suitable for lower-volume production runs or manual assembly processes.