ERO-S2PHF7501 Equivalent & Substitute Parts

Part Overview

The ERO-S2PHF7501 is a 7.5 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 design support and production continuity. Substitute parts must maintain identical electrical specifications and mechanical compatibility to ensure direct replacement capability in existing circuit designs.

Substiute Parts

ERO-S2PHF7501

Panasonic Electronic ComponentsIn Stock: 905ERO-S2PHF7501 Datasheet

Current PartRFQ

RNMF14FTC7K50

Stackpole Electronics IncIn Stock: 831RNMF14FTC7K50 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERO-S2PHF7501 are qualified based on the following critical parameters:

• Resistance Value: 7.5 kOhms (exact match required)
• Tolerance: ±1% (ensures precision equivalent to original)
• Power Rating: 0.25W / 1/4W (maintains thermal and electrical performance)
• Composition: Metal Film (preserves frequency response and stability characteristics)
• Temperature Coefficient: ±50ppm/°C (ensures temperature stability matching)
• Operating Temperature Range: Minimum -55°C ~ 150°C (original specification floor)
• Package Type: Axial (mechanical compatibility with PCB layouts)
• Terminations: 2-pin axial configuration (direct pin compatibility)

The RNMF14FTC7K50 from Stackpole Electronics Inc meets all mandatory electrical and mechanical criteria for direct substitution. This part maintains identical resistance, tolerance, power rating, composition, and temperature coefficient specifications. The operating temperature range extends to 155°C, exceeding the original specification minimum. Axial package geometry remains consistent with the original design.

Parameter Comparison

Engineering Selection Recommendations

The RNMF14FTC7K50 is the qualified substitute for the obsolete ERO-S2PHF7501. Selection is based on the following factors:

Electrical Equivalence: All critical electrical parameters match exactly—resistance value, tolerance, power rating, composition, and temperature coefficient are identical. The extended operating temperature range to 155°C provides additional thermal margin beyond the original specification.

Product Status: The RNMF14FTC7K50 is in active production, ensuring long-term availability and supply chain continuity. The original ERO-S2PHF7501 is obsolete, making this substitute the appropriate choice for new designs and production support.

Compliance: The RNMF14FTC7K50 carries ROHS3 compliance certification and REACH unaffected status, meeting current regulatory requirements. Both parts share identical ECCN (EAR99) and HTSUS (8533.21.0090) classifications.

Mechanical Compatibility: Axial package geometry is maintained. Physical dimensions (0.070" Dia x 0.130" L for the substitute versus 0.067" Dia x 0.126" L for the original) represent negligible variation within standard PCB layout tolerances and do not affect functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can the RNMF14FTC7K50 be used as a direct replacement for the ERO-S2PHF7501?

A: Yes. The RNMF14FTC7K50 meets all mandatory electrical and mechanical specifications for direct substitution. Resistance value, tolerance, power rating, composition, temperature coefficient, and axial package configuration are identical. No circuit modifications are required.

Q: What is the difference between the two parts?

A: The primary differences are manufacturer (Panasonic versus Stackpole), product status (obsolete versus active production), and minor physical dimensions. The RNMF14FTC7K50 includes flame retardant coating and safety features, and extends the operating temperature range to 155°C. These differences do not affect electrical performance or compatibility.

Q: Are there any compliance or certification differences?

A: The RNMF14FTC7K50 carries ROHS3 compliance and REACH unaffected certification. The original part does not specify these certifications. Both parts share identical ECCN and HTSUS classifications. If your application requires specific compliance documentation, the substitute's active production status ensures current certification availability.

Q: Will the slightly larger physical dimensions of the substitute cause PCB layout issues?

A: No. The dimensional difference (0.003" diameter and 0.004" length) is within standard PCB component placement tolerances. Axial resistor footprints accommodate this variation without requiring layout modifications.

Q: Why is the original part listed as obsolete?

A: The ERO-S2PHF7501 has been discontinued by Panasonic Electronic Components. The RNMF14FTC7K50 provides equivalent functionality with current production availability and modern compliance certifications.