ERO-S2PHF1202 Equivalent & Substitute Parts

Part Overview

The ERO-S2PHF1202 is a 12 kOhms ±1% 0.25W through-hole resistor with axial metal film construction manufactured by Panasonic Electronic Components. This component is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance, repair, and legacy product support. The part operates across a temperature range of -55°C to 150°C and is suitable for applications requiring precision resistive elements in compact axial packages.

Substiute Parts

ERO-S2PHF1202

Panasonic Electronic ComponentsIn Stock: 687ERO-S2PHF1202 Datasheet

Current PartRFQ

RNMF14FTC12K0

Stackpole Electronics IncIn Stock: 8988RNMF14FTC12K0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERO-S2PHF1202 is determined by strict equivalence across the following critical parameters:

• Resistance value: 12 kOhms (exact match required)
• Tolerance: ±1% (precision class match)
• Power rating: 0.25W / 1/4W (thermal capability match)
• Composition: Metal Film (electrical performance class)
• Temperature coefficient: ±50ppm/°C (stability match)
• Operating temperature range: minimum -55°C to 150°C coverage
• Package: Axial through-hole configuration
• Termination count: 2-pin axial leads

The RNMF14FTC12K0 manufactured by Stackpole Electronics Inc meets all substitution criteria. This part maintains identical electrical specifications while offering active product status and enhanced features including flame retardant coating and safety-rated construction.

Parameter Comparison

Engineering Selection Recommendations

The RNMF14FTC12K0 is the direct substitute for the obsolete ERO-S2PHF1202. Both components share identical electrical specifications: 12 kOhms resistance, ±1% tolerance, 0.25W power rating, metal film composition, and ±50ppm/°C temperature coefficient. The substitute maintains the required operating temperature range with a 5°C extension to 155°C.

The RNMF14FTC12K0 offers additional compliance advantages: ROHS3 certification and REACH unaffected status, supporting modern regulatory requirements. The substitute includes flame retardant coating and safety-rated construction features. Physical dimensions show minimal variation (0.070" vs 0.067" diameter; 0.130" vs 0.126" length), remaining compatible with standard axial through-hole PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can the RNMF14FTC12K0 be used as a direct replacement for the ERO-S2PHF1202?

A: Yes. Both components meet identical electrical specifications: 12 kOhms ±1%, 0.25W power rating, metal film construction, and ±50ppm/°C temperature coefficient. Physical dimensions are compatible with standard axial through-hole applications.

Q: What is the difference in physical size between these parts?

A: The ERO-S2PHF1202 measures 0.067" diameter × 0.126" length. The RNMF14FTC12K0 measures 0.070" diameter × 0.130" length. These minor variations do not affect PCB layout compatibility for standard axial resistor footprints.

Q: Does the substitute part meet current regulatory standards?

A: The RNMF14FTC12K0 is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The original ERO-S2PHF1202 regulatory status is not specified.

Q: What is the operating temperature range for each part?

A: The ERO-S2PHF1202 operates from -55°C to 150°C. The RNMF14FTC12K0 operates from -55°C to 155°C, providing a 5°C extension at the upper limit.

Q: Are there any packaging differences?

A: The ERO-S2PHF1202 packaging is not specified. The RNMF14FTC12K0 is supplied in Cut Tape (CT) packaging. Both use standard axial through-hole package configuration.

Q: What is the product status of each component?

A: The ERO-S2PHF1202 is classified as obsolete. The RNMF14FTC12K0 is active production, ensuring ongoing availability and supply chain continuity.