RNF12FTD332R Equivalent & Substitute Parts

Part Overview

The RNF12FTD332R is a 332 Ohm ±1% metal film through-hole resistor rated at 0.5W (1/2W) in axial package configuration, manufactured by Stackpole Electronics Inc. This component is designed for applications requiring precision resistive elements with flame retardant coating and safety features. The part maintains Active product status with 959 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and regulatory compliance are maintained across alternative part numbers within the same manufacturer's product line.

Substiute Parts

RNF12FTD332R

Stackpole Electronics IncIn Stock: 1016RNF12FTD332R Datasheet

Current PartRFQ

RNMF12FTD332R

Stackpole Electronics IncIn Stock: 1191RNMF12FTD332R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RNF12FTD332R is determined by strict equivalence across the following parameters:

• Resistance value: 332 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.5W/1/2W (exact match required)
• Composition: Metal Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C to 155°C (exact match required)
• Package configuration: Axial Through Hole (exact match required)
• Regulatory compliance: ROHS3 Compliant, REACH Unaffected (exact match required)

The RNMF12FTD332R qualifies as a manufacturer-recommended substitute based on identical electrical specifications and regulatory status. The primary distinction is dimensional: the RNMF series represents a miniaturized variant with reduced physical envelope while maintaining all electrical and functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

Both RNF12FTD332R and RNMF12FTD332R maintain Active product status with full ROHS3 compliance and REACH unaffected designation. Selection between these parts is determined by physical space constraints within the application. The RNF12FTD332R provides standard axial dimensions (0.108" diameter × 0.344" length), while the RNMF12FTD332R offers a compact alternative (0.093" diameter × 0.250" length) suitable for space-restricted circuit board layouts. Both parts deliver identical electrical performance and thermal characteristics across the specified operating range. Component selection should be based on available board real estate and mechanical fit requirements rather than electrical considerations.

Frequently Asked Questions (FAQ)

Q: Can RNMF12FTD332R replace RNF12FTD332R in existing designs?

A: Electrical substitution is valid. The RNMF12FTD332R maintains identical resistance, tolerance, power rating, temperature coefficient, and operating range. Physical dimensions differ; verify that the smaller envelope (0.093" × 0.250") accommodates the application's mechanical constraints and PCB layout.

Q: Are there differences in reliability or failure characteristics?

A: Both parts are manufactured by Stackpole Electronics Inc with identical composition (metal film), features (flame retardant coating, safety), and regulatory compliance. No reliability differentiation is specified in the provided data.

Q: What is the primary reason for the RNMF series designation?

A: The RNMF designation indicates a miniaturized variant within Stackpole's product line. The "Mini" classification reflects reduced physical dimensions while preserving all electrical specifications and performance characteristics.

Q: Are both parts suitable for high-temperature applications?

A: Both parts operate across -55°C to 155°C with ±100ppm/°C temperature coefficient. Selection is based on application temperature profile and mechanical fit rather than thermal performance differentiation.

Q: Does package type affect substitution eligibility?

A: Both parts use Axial Through Hole package configuration with identical termination count (2). Package type equivalence is confirmed; substitution is valid from a package perspective.