ERO-S2PHF24R0 Equivalent & Substitute Parts

Part Overview

The ERO-S2PHF24R0 is a 24 Ohm ±1% 1/4W axial metal film through-hole resistor manufactured by Panasonic Electronic Components. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing production and maintenance applications. The ERO series represents a legacy product line, and active alternatives are available to maintain design continuity and supply chain reliability.

Substiute Parts

ERO-S2PHF24R0

Panasonic Electronic ComponentsIn Stock: 825ERO-S2PHF24R0 Datasheet

Current PartRFQ

RNMF14FTC24R0

Stackpole Electronics IncIn Stock: 30730RNMF14FTC24R0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERO-S2PHF24R0 is determined by strict equivalence across the following parameters:

• Resistance value: 24 Ohms (exact match required)
• Tolerance: ±1% (equivalent precision class)
• Power rating: 0.25W / 1/4W (identical thermal dissipation capability)
• Composition: Metal Film (same electrical characteristics and stability)
• Temperature coefficient: ±50ppm/°C (matching frequency stability)
• Package: Axial through-hole (mechanical and electrical compatibility)
• Termination count: 2 (pin-to-pin equivalence)

The RNMF14FTC24R0 from Stackpole Electronics Inc meets all these criteria and qualifies as a direct functional substitute.

Parameter Comparison

Engineering Selection Recommendations

The RNMF14FTC24R0 is the qualified substitute for the obsolete ERO-S2PHF24R0 based on the following factors:

All critical electrical parameters match exactly: resistance value, tolerance, power rating, composition, and temperature coefficient. The operating temperature range of the substitute extends to 155°C compared to 150°C for the original part, providing additional thermal margin.

The substitute maintains axial package compatibility with identical termination configuration, ensuring direct mechanical and electrical interchangeability in through-hole applications.

The RNMF14FTC24R0 carries active product status with ROHS3 compliance and REACH unaffected certification, supporting modern supply chain and regulatory requirements. The substitute is available in Cut Tape packaging with significantly higher inventory levels (30,647 pcs) compared to the original part (796 pcs).

Physical dimensions show minor variation (0.070" vs 0.067" diameter; 0.130" vs 0.126" length), which remains within acceptable tolerances for standard through-hole PCB layouts and does not impact electrical performance.

Frequently Asked Questions (FAQ)

Q: Can the RNMF14FTC24R0 be used as a direct replacement for the ERO-S2PHF24R0?

A: Yes. Both components share identical resistance value (24 Ohms), tolerance (±1%), power rating (0.25W), composition (metal film), temperature coefficient (±50ppm/°C), and axial package configuration. Electrical and mechanical compatibility is confirmed.

Q: What is the significance of the flame retardant coating on the RNMF14FTC24R0?

A: The flame retardant coating and safety designation on the substitute part represent an enhancement over the original specification. This feature does not affect electrical performance and provides additional safety characteristics suitable for applications requiring enhanced fire resistance.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist. The RNMF14FTC24R0 measures 0.070" diameter x 0.130" length compared to 0.067" diameter x 0.126" length for the ERO-S2PHF24R0. These differences are within standard PCB layout tolerances for axial through-hole components and do not impact circuit performance or board compatibility.

Q: What is the operating temperature difference?

A: The substitute part operates to 155°C maximum compared to 150°C for the original part. This 5°C extension provides additional thermal margin and does not restrict application scope.

Q: Why is the substitute part listed as active while the original is obsolete?

A: The ERO-S2PHF24R0 represents a legacy product line that has been discontinued by Panasonic. The RNMF14FTC24R0 from Stackpole Electronics Inc is an actively manufactured alternative that meets all functional requirements and is available in production quantities.

Q: Are there compliance differences?

A: The substitute carries ROHS3 compliance and REACH unaffected certification. These regulatory certifications support modern manufacturing and environmental standards. Original part compliance status was not specified in available documentation.