PRF18-P-C-EP-047-SS Equivalent & Substitute Parts

Part Overview

The PRF18-P-C-EP-047-SS is a 1.85mm coaxial connector plug manufactured by Samtec Inc., designed for RF applications requiring 50 Ohm impedance. This male pin connector features solder contact termination and is configured for free hanging (in-line) mounting with a 0.047" semi-rigid cable group. The connector operates at frequencies up to 65 GHz and is constructed with stainless steel body and beryllium copper center contact with gold plating. Currently in active product status with 657 units in stock, this component is ROHS3 compliant and suitable for high-frequency RF signal transmission applications.

Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain compatibility across production batches while preserving electrical and mechanical performance specifications.

Substiute Parts

PRF18-P-C-EP-047-SS

Samtec Inc.In Stock: 689PRF18-P-C-EP-047-SS Datasheet

Current PartRFQ

PRF18-P-C-EP-047A-SS

Samtec Inc.In Stock: 884PRF18-P-C-EP-047A-SS Datasheet

Parametric EquivalentRFQ

PRF18-P-C-EP-047D-SS

Samtec Inc.In Stock: 811PRF18-P-C-EP-047D-SS Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PRF18-P-C-EP-047-SS are determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector Style: 1.85mm
• Connector Type: Plug, Male Pin
• Contact Termination: Solder
• Shield Termination: Clamp
• Impedance: 50 Ohms
• Mounting Type: Free Hanging (In-Line)
• Cable Group: 0.047" Semi Rigid
• Fastening Type: Threaded
• Frequency - Max: 65 GHz
• Number of Ports: 1
• Center Contact Material: Beryllium Copper
• Body Material: Stainless Steel
• Center Contact Plating: Gold
• RoHS Status: ROHS3 Compliant

Variable Parameters (Non-Critical for Substitution):

• Dielectric Material (PTFE or PEI)
• Packaging format
• Inventory levels

Parts meeting all mandatory parameters are classified as parametric equivalents and direct substitutes. Variations in dielectric material do not preclude substitution when all other electrical and mechanical specifications remain identical.

Parameter Comparison

Engineering Selection Recommendations

All three parts—PRF18-P-C-EP-047-SS, PRF18-P-C-EP-047A-SS, and PRF18-P-C-EP-047D-SS—are parametric equivalents meeting identical electrical and mechanical specifications for 1.85mm coaxial connector plug applications.

Selection Basis:

1. Compliance & Certification: All parts maintain ROHS3 compliance and EAR99 export classification, ensuring regulatory consistency across design iterations and production batches.

2. Product Status: All three parts are in active product status, confirming ongoing manufacturer support and availability.

3. Electrical Performance: Identical impedance (50 Ohms), frequency rating (65 GHz), and contact materials ensure equivalent RF performance in signal transmission applications.

4. Mechanical Compatibility: Matching connector style, mounting type, cable group specification, and fastening mechanism guarantee direct mechanical interchangeability in circuit board layouts and cable assemblies.

5. Material Composition: Dielectric material variation (PTFE in PRF18-P-C-EP-047-SS and PRF18-P-C-EP-047A-SS versus PEI in PRF18-P-C-EP-047D-SS) does not affect substitution eligibility, as both materials maintain required electrical properties within the specified frequency range.

6. Inventory Availability: PRF18-P-C-EP-047A-SS offers highest stock level (819 units), followed by PRF18-P-C-EP-047D-SS (764 units) and PRF18-P-C-EP-047-SS (657 units), supporting supply chain flexibility.

Selection among these equivalents may be based on packaging requirements, inventory availability, or specific procurement lead times without compromising circuit performance or design specifications.

Frequently Asked Questions (FAQ)

Q: Can PRF18-P-C-EP-047A-SS be used as a direct replacement for PRF18-P-C-EP-047-SS?

A: Yes. Both parts are parametric equivalents with identical electrical and mechanical specifications. All critical parameters—connector style, impedance, frequency rating, contact termination, mounting type, and cable group—are identical. The parts are directly interchangeable in circuit designs and cable assemblies.

Q: What is the difference between PRF18-P-C-EP-047D-SS and the other two parts?

A: PRF18-P-C-EP-047D-SS differs only in dielectric material composition (PEI instead of PTFE). All other electrical and mechanical parameters remain identical. This material variation does not affect RF performance, impedance characteristics, or frequency response within the 65 GHz operating range.

Q: Are there any packaging differences between these substitute parts?

A: PRF18-P-C-EP-047-SS and PRF18-P-C-EP-047A-SS have unspecified packaging, while PRF18-P-C-EP-047D-SS is supplied in Bulk packaging. Packaging format does not affect connector performance or mechanical compatibility. Verify packaging requirements with procurement specifications before ordering.

Q: Do all three parts meet RoHS compliance requirements?

A: Yes. All three parts—PRF18-P-C-EP-047-SS, PRF18-P-C-EP-047A-SS, and PRF18-P-C-EP-047D-SS—are ROHS3 compliant and suitable for applications requiring environmental and regulatory compliance.

Q: Can these connectors be used interchangeably in high-frequency RF applications?

A: Yes. All three parts maintain 50 Ohm impedance and 65 GHz maximum frequency rating, ensuring equivalent performance in RF signal transmission, measurement, and test applications. Electrical characteristics remain consistent across all substitute parts.

Q: What determines whether a part qualifies as a substitute for PRF18-P-C-EP-047-SS?

A: Substitution is determined by equivalence across mandatory parameters: connector style (1.85mm), connector type (Plug, Male Pin), contact termination (Solder), shield termination (Clamp), impedance (50 Ohms), mounting type (Free Hanging In-Line), cable group (0.047" Semi Rigid), fastening type (Threaded), frequency rating (65 GHz), center contact material (Beryllium Copper), body material (Stainless Steel), center contact plating (Gold), and RoHS compliance status. Dielectric material and packaging variations do not preclude substitution.