APH-SMAJ-SMBJ Equivalent & Substitute Parts

Part Overview

The APH-SMAJ-SMBJ is a coaxial adapter connector manufactured by Amphenol RF, designed to convert between SMA Jack (Female Socket) and SMB Jack (Male Pin) interfaces. This adapter operates at 50 Ohms impedance with a maximum frequency rating of 4 GHz and supports operating temperatures from -65°C to 165°C. The part is classified as Obsolete, necessitating identification of active equivalent components to ensure continued availability and supply chain continuity for applications requiring SMA-to-SMB conversion functionality.

Substiute Parts

APH-SMAJ-SMBJ

Amphenol RFIn Stock: 934APH-SMAJ-SMBJ Datasheet

Current PartRFQ

242147

Amphenol RFIn Stock: 1226242147 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the APH-SMAJ-SMBJ is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Adapter Series: SMA to SMB conversion capability
• Center Gender: Female to Male configuration
• Convert From: SMA Jack, Female Socket interface
• Convert To: SMB Jack, Male Pin interface
• Impedance: 50 Ohms
• Style: Straight orientation
• Mounting Type: Free Hanging (In-Line)
• Fastening Type: Snap-On, Threaded
• Frequency - Max: 4 GHz minimum rating
• Operating Temperature Range: -65°C ~ 165°C
• Body Material: Brass construction
• Body Finish: Gold plating
• Center Contact Material: Beryllium Copper
• Center Contact Plating: Gold
• Dielectric Material: Polytetrafluoroethylene (PTFE)

The substitute part 242147 meets all mandatory matching parameters and is classified as Active product status, providing direct functional and electrical equivalence to the obsolete APH-SMAJ-SMBJ.

Parameter Comparison

Engineering Selection Recommendations

The part 242147 is the direct equivalent substitute for the obsolete APH-SMAJ-SMBJ. Selection of 242147 is supported by the following factors:

Product Status: Part 242147 maintains Active product status, ensuring ongoing availability and manufacturer support, whereas APH-SMAJ-SMBJ is classified as Obsolete.

Regulatory Compliance: Both parts maintain RoHS compliance. Part 242147 carries ROHS3 Compliant certification, representing current regulatory standards. Part 242147 additionally carries REACH Affected status, indicating compliance with current chemical substance regulations.

Electrical and Mechanical Equivalence: All electrical parameters (impedance, frequency rating, operating temperature range) and mechanical parameters (adapter configuration, connector types, materials, finishes, fastening methods) are identical between the two parts.

Supply Chain Continuity: Part 242147 has 1138 units in stock compared to 840 units for the obsolete part, providing superior availability for ongoing procurement requirements.

For applications currently using APH-SMAJ-SMBJ, direct substitution with 242147 is supported without design modification or performance degradation.

Frequently Asked Questions (FAQ)

Q: Can 242147 be used as a direct replacement for APH-SMAJ-SMBJ in existing designs?

A: Yes. Part 242147 is electrically and mechanically equivalent to APH-SMAJ-SMBJ across all specified parameters. No design changes are required for substitution.

Q: What is the difference between the two part numbers?

A: APH-SMAJ-SMBJ is the obsolete designation. Part 242147 is the current active equivalent from Amphenol RF with identical functional specifications and improved regulatory compliance status (ROHS3 and REACH).

Q: Are the packaging formats compatible?

A: APH-SMAJ-SMBJ packaging is not specified in available data. Part 242147 is supplied in Bag packaging. Verify packaging requirements for your application workflow.

Q: Do both parts support the same frequency range and impedance?

A: Yes. Both parts operate at 50 Ohms impedance with a maximum frequency rating of 4 GHz and identical operating temperature range of -65°C to 165°C.

Q: What is the Moisture Sensitivity Level for these parts?

A: Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are there any compliance differences between the two parts?

A: Both parts are RoHS compliant. Part 242147 carries ROHS3 Compliant certification (current standard) and REACH Affected status, representing compliance with current regulatory requirements. APH-SMAJ-SMBJ carries RoHS Compliant status.

Q: What materials are used in the connector construction?

A: Both parts use brass body with gold finish, beryllium copper center contact with gold plating, and polytetrafluoroethylene (PTFE) dielectric material.

Q: Can these adapters be used in high-temperature applications?

A: Yes. Both parts support operating temperatures from -65°C to 165°C, suitable for industrial and aerospace applications within this temperature range.