Equivalent & Substitute Parts for ERO-S2PHF75R0

Part Overview

The ERO-S2PHF75R0 is a 75 Ohm ±1% metal film axial resistor rated at 0.25W (1/4W) for through-hole applications. Manufactured by Panasonic Electronic Components as part of the ERO series, this component is classified as obsolete. Due to its discontinued status, identifying qualified substitute components with equivalent electrical and mechanical characteristics is essential for design continuity and procurement planning.

Substiute Parts

ERO-S2PHF75R0

Panasonic Electronic ComponentsIn Stock: 1071ERO-S2PHF75R0 Datasheet

Current PartRFQ

RNMF14FTC75R0

Stackpole Electronics IncIn Stock: 16307RNMF14FTC75R0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERO-S2PHF75R0 is determined by strict equivalence across the following parameters:

• Resistance value: 75 Ohms (exact match required)
• Tolerance: ±1% (no deviation permitted)
• Power rating: 0.25W / 1/4W (exact match required)
• Composition: Metal Film (required for performance equivalence)
• Temperature coefficient: ±50ppm/°C (required for stability equivalence)
• Package type: Axial (required for mechanical compatibility)
• Number of terminations: 2 (required for circuit board compatibility)

The RNMF14FTC75R0 from Stackpole Electronics Inc meets all mandatory substitution criteria. This component maintains identical electrical specifications while offering active product status and enhanced features including flame retardant coating.

Parameter Comparison

Engineering Selection Recommendations

The RNMF14FTC75R0 is the qualified substitute for the obsolete ERO-S2PHF75R0. Selection is based on the following factors:

Electrical equivalence is complete: both components provide 75 Ohm resistance at ±1% tolerance with 0.25W power rating and ±50ppm/°C temperature coefficient. The substitute offers an extended operating temperature range to 155°C, providing additional thermal margin.

Physical compatibility is maintained within acceptable tolerances. The substitute dimensions (0.070" Dia × 0.130" L) represent a minor increase from the original (0.067" Dia × 0.126" L), remaining compatible with standard axial component footprints and through-hole board layouts.

Regulatory compliance is enhanced with the substitute: ROHS3 compliance and REACH unaffected status provide superior environmental and regulatory positioning compared to the obsolete original component.

Product availability and supply chain continuity favor the substitute, which maintains active manufacturing status with substantial inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the RNMF14FTC75R0 be used as a direct replacement for the ERO-S2PHF75R0?

A: Yes. Both components share identical electrical specifications (75 Ohms ±1%, 0.25W, ±50ppm/°C) and axial package configuration. Physical dimensions are equivalent within standard manufacturing tolerances for through-hole applications.

Q: What is the significance of the flame retardant coating on the RNMF14FTC75R0?

A: The flame retardant coating is an additional safety feature provided by the substitute component. It does not affect electrical performance or substitution compatibility; it represents an enhancement over the original specification.

Q: Are there any thermal performance differences between these components?

A: The substitute offers a marginally extended operating temperature range (155°C vs. 150°C maximum). Both components maintain identical temperature coefficient specifications (±50ppm/°C), ensuring equivalent thermal stability within their respective operating ranges.

Q: How do the physical dimensions affect board layout compatibility?

A: The substitute dimensions (0.070" Dia × 0.130" L) are slightly larger than the original (0.067" Dia × 0.126" L). These differences are within standard axial resistor manufacturing tolerances and do not require board layout modifications for typical through-hole designs.

Q: What compliance advantages does the substitute provide?

A: The RNMF14FTC75R0 is ROHS3 compliant and REACH unaffected, providing regulatory alignment with current environmental standards. The original ERO-S2PHF75R0, being obsolete, lacks current compliance documentation.

Q: Is the moisture sensitivity difference significant?

A: The original component specifies MSL 1 (Unlimited), while the substitute lists MSL as Not Applicable. This reflects different manufacturer classification methodologies for metal film axial resistors and does not indicate reduced moisture resistance in the substitute component.