APH-SMAP-MCXJ Equivalent & Substitute Parts

Part Overview

The APH-SMAP-MCXJ is a coaxial adapter connector manufactured by Amphenol RF that converts between SMA Plug (male pin) and MCX Jack (female socket) configurations. This adapter operates at 50 Ohms impedance with a maximum frequency rating of 6 GHz and supports operating temperatures from -65°C to 165°C. The part is classified as Obsolete, necessitating identification of active equivalent components for continued procurement and system integration.

Substiute Parts

APH-SMAP-MCXJ

Amphenol RFIn Stock: 1138APH-SMAP-MCXJ Datasheet

Current PartRFQ

242126

Amphenol RFIn Stock: 765242126 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the APH-SMAP-MCXJ coaxial adapter connector is determined by strict equivalence across the following critical parameters:

Mechanical Compatibility:

• Adapter series configuration (SMA to MCX)
• Connector gender orientation (SMA Plug to MCX Jack)
• Center contact gender (Female to Male)
• Mounting type (Free Hanging, In-Line)
• Fastening mechanism (Snap-On, Threaded)

Electrical Compatibility:

• Impedance rating (50 Ohms)
• Maximum frequency (6 GHz)
• Operating temperature range (-65°C to 165°C)

Material & Environmental Specifications:

• Body material (Brass with Gold finish)
• Center contact material (Beryllium Copper with Gold plating)
• Dielectric material (PTFE)
• Moisture sensitivity level (MSL 1)

The substitute part 242126 maintains full equivalence across all specified parameters while offering improved product status (Active vs. Obsolete) and enhanced compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: 242126

The part number 242126 is the direct equivalent substitute for APH-SMAP-MCXJ. This selection is based on the following engineering criteria:

Product Status: Part 242126 carries Active product status, ensuring continued availability and manufacturer support. The APH-SMAP-MCXJ is classified as Obsolete, creating supply chain risk and limiting access to technical documentation and support.

Compliance & Certifications: Part 242126 meets ROHS3 compliance standards, representing the current regulatory requirement evolution from the RoHS Compliant status of the original part. Both parts maintain EAR99 export classification and identical HTSUS coding (8536.69.4010), confirming regulatory equivalence.

Electrical & Mechanical Equivalence: All critical parameters remain identical between the two parts, including 50 Ohm impedance, 6 GHz maximum frequency, -65°C to 165°C operating temperature range, and identical connector configurations (SMA Plug to MCX Jack).

Material Specifications: Both parts utilize identical materials and finishes: Brass body with Gold finish, Beryllium Copper center contact with Gold plating, and PTFE dielectric. These specifications ensure signal integrity and environmental durability across the specified operating range.

Inventory & Availability: Part 242126 maintains active inventory status with 694 units in stock, compared to 1051 units of the obsolete APH-SMAP-MCXJ. The active status ensures continued procurement capability for future requirements.

Frequently Asked Questions (FAQ)

Q: Can part 242126 be used as a direct replacement for APH-SMAP-MCXJ in existing designs?

A: Yes. Part 242126 is electrically and mechanically equivalent to APH-SMAP-MCXJ across all specified parameters. Both parts maintain identical impedance (50 Ohms), frequency rating (6 GHz), operating temperature range (-65°C to 165°C), connector configuration (SMA Plug to MCX Jack), and material specifications. No design modifications are required.

Q: What is the difference in packaging between these parts?

A: APH-SMAP-MCXJ does not specify packaging format in the provided data. Part 242126 is supplied in Bag packaging. This difference does not affect electrical or mechanical performance and only impacts receiving, storage, and handling procedures.

Q: Why is APH-SMAP-MCXJ classified as Obsolete?

A: The Obsolete classification indicates that the manufacturer has discontinued active production and support for this part number. Part 242126 represents the current active equivalent, ensuring access to ongoing manufacturer support, technical documentation, and continued supply chain availability.

Q: Are there any compliance differences between APH-SMAP-MCXJ and 242126?

A: Both parts are RoHS compliant. APH-SMAP-MCXJ carries RoHS Compliant status, while 242126 carries ROHS3 Compliant status, representing the current regulatory standard. Both parts maintain identical EAR99 export classification and HTSUS coding. Part 242126 additionally carries REACH Affected designation, indicating compliance with current European chemical regulations.

Q: What is the MSL rating for these parts?

A: Both APH-SMAP-MCXJ and 242126 carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations. These parts do not require special moisture control during storage, handling, or installation.

Q: Are the center contact materials identical?

A: Yes. Both parts utilize Beryllium Copper center contacts with Gold plating. This material specification ensures consistent electrical performance and corrosion resistance across the operating temperature range of -65°C to 165°C.

Q: What is the maximum operating frequency for these adapters?

A: Both parts are rated for maximum frequency of 6 GHz. This frequency rating applies to the complete adapter assembly and determines the upper frequency limit for signal transmission through the SMA-to-MCX conversion.