ERO-S2PHF22R0 Equivalent & Substitute Parts

Part Overview

The ERO-S2PHF22R0 is a 22 Ohm ±1% 0.25W (1/4W) 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 essential for ongoing production, maintenance, and repair applications. The ERO series metal film resistor provides precision tolerance and stable performance across industrial temperature ranges, requiring direct substitutes that maintain identical electrical specifications and mechanical compatibility.

Substiute Parts

ERO-S2PHF22R0

Panasonic Electronic ComponentsIn Stock: 994ERO-S2PHF22R0 Datasheet

Current PartRFQ

RNMF14FTC22R0

Stackpole Electronics IncIn Stock: 42077RNMF14FTC22R0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the ERO-S2PHF22R0 is determined by strict equivalence across the following electrical and mechanical parameters:

• Resistance Value: 22 Ohms (exact match required)
• Tolerance: ±1% (precision grade equivalence)
• Power Rating: 0.25W / 1/4W (thermal dissipation capacity)
• Composition: Metal Film (electrical performance characteristics)
• Temperature Coefficient: ±50ppm/°C (stability specification)
• Operating Temperature Range: Minimum -55°C ~ 150°C (environmental compatibility)
• Package Type: Axial (mechanical fit and PCB compatibility)
• Termination Count: 2 (circuit interface requirement)

The RNMF14FTC22R0 from Stackpole Electronics Inc meets all substitution criteria. Minor dimensional variations (0.070" Dia x 0.130" L versus 0.067" Dia x 0.126" L) remain within acceptable tolerances for axial component placement and do not affect electrical performance or circuit board integration.

Parameter Comparison

Engineering Selection Recommendations

The RNMF14FTC22R0 is a direct functional equivalent for the obsolete ERO-S2PHF22R0. Selection is based on the following engineering factors:

Electrical Equivalence: Both components provide identical resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. The RNMF14FTC22R0 extends the upper operating temperature limit to 155°C, providing enhanced thermal margin.

Product Status: The RNMF14FTC22R0 maintains active production status with confirmed inventory availability (42,023 pcs), ensuring long-term supply chain reliability compared to the obsolete ERO-S2PHF22R0.

Compliance & Certifications: The RNMF14FTC22R0 carries RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements. Both components share identical ECCN (EAR99) and HTSUS (8533.21.0090) classifications.

Mechanical Compatibility: Axial package geometry remains consistent. Dimensional variations (0.003" diameter and 0.004" length differences) fall within standard PCB assembly tolerances and do not require circuit board redesign.

Frequently Asked Questions (FAQ)

Q: Can the RNMF14FTC22R0 be used as a direct replacement for the ERO-S2PHF22R0 without circuit modification?

A: Yes. Both components are electrically and mechanically equivalent. The RNMF14FTC22R0 provides identical electrical performance with no circuit redesign required. Axial package dimensions are compatible with standard PCB assembly processes.

Q: What is the significance of the flame retardant coating on the RNMF14FTC22R0?

A: The flame retardant coating and safety features on the RNMF14FTC22R0 represent manufacturing enhancements that do not alter electrical performance. These features provide additional safety compliance for applications requiring enhanced fire resistance characteristics.

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

A: Both components operate across -55°C to 150°C. The RNMF14FTC22R0 extends the upper limit to 155°C, providing 5°C additional thermal margin. Temperature coefficient remains identical at ±50ppm/°C for both parts.

Q: How do the physical dimensions affect PCB assembly?

A: The RNMF14FTC22R0 measures 0.070" Dia x 0.130" L compared to the ERO-S2PHF22R0 at 0.067" Dia x 0.126" L. These minor variations (approximately 4% and 3% respectively) remain within standard axial component placement tolerances and require no PCB layout modification.

Q: What is the inventory status for the substitute part?

A: The RNMF14FTC22R0 is in active production with 42,023 pcs available in new original stock, providing reliable long-term supply availability compared to the obsolete ERO-S2PHF22R0.

Q: Do both components share the same regulatory classifications?

A: Yes. Both components carry identical ECCN (EAR99) and HTSUS (8533.21.0090) classifications. The RNMF14FTC22R0 additionally maintains RoHS3 compliance and REACH unaffected status, meeting current regulatory requirements.