APH-SMAJ-BNCP Coaxial Connector Adapter - Equivalent & Substitute Parts

Part Overview

The APH-SMAJ-BNCP is a coaxial connector adapter manufactured by Amphenol RF that converts between BNC Plug (male pin) and SMA Jack (female socket) configurations. 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 currently classified as Obsolete, necessitating identification of active equivalent components for continued system integration and procurement.

Substiute Parts

APH-SMAJ-BNCP

Amphenol RFIn Stock: 1170APH-SMAJ-BNCP Datasheet

Current PartRFQ

242103

Amphenol RFIn Stock: 1147242103 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

• Adapter Series: BNC to SMA
• Adapter Type: Plug to Jack
• Center Gender: Female to Male
• Convert From: BNC Plug, Male Pin
• Convert To: SMA Jack, Female Socket
• Impedance: 50 Ohms
• Style: Straight
• Mounting Type: Free Hanging (In-Line)
• Fastening Type: Bayonet Lock, Threaded
• Frequency - Max: 4 GHz
• Operating Temperature Range: -65°C ~ 165°C
• Body Material: Brass
• Body Finish: Gold
• Center Contact Material: Phosphor Bronze
• Center Contact Plating: Gold
• Dielectric Material: Polytetrafluoroethylene (PTFE)

The substitute part 242103 meets all mandatory matching parameters and is classified as Active product status, making it a direct functional equivalent for applications requiring the APH-SMAJ-BNCP.

Parameter Comparison

Engineering Selection Recommendations

The part 242103 is the direct equivalent substitute for APH-SMAJ-BNCP. Selection of 242103 is based on the following engineering criteria:

Product Status: APH-SMAJ-BNCP is classified as Obsolete. Part 242103 is classified as Active, ensuring continued availability and manufacturing support for new procurements and system maintenance.

Compliance Certifications: Both parts maintain RoHS compliance. APH-SMAJ-BNCP carries RoHS Compliant status, while 242103 carries ROHS3 Compliant status, indicating enhanced regulatory alignment with current environmental standards. Both parts are classified under ECCN EAR99 and share identical HTSUS coding (8536.69.4010).

Electrical and Mechanical Equivalence: All electrical parameters (50 Ohms impedance, 4 GHz maximum frequency, -65°C to 165°C operating temperature range) and mechanical parameters (BNC to SMA conversion, plug-to-jack configuration, straight style, free-hanging mounting, bayonet lock fastening) are identical between the two parts.

Material and Construction: Both parts utilize identical materials and finishes: brass body with gold finish, phosphor bronze center contact with gold plating, and PTFE dielectric. This ensures equivalent electrical performance and environmental durability.

Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can 242103 be used as a direct replacement for APH-SMAJ-BNCP in existing applications?

A: Yes. Part 242103 is electrically and mechanically equivalent to APH-SMAJ-BNCP across all specified parameters. The adapter maintains identical impedance (50 Ohms), frequency rating (4 GHz maximum), operating temperature range (-65°C to 165°C), connector configuration (BNC Plug to SMA Jack), and physical construction. Direct substitution is supported without circuit or mechanical redesign.

Q: What is the difference between APH-SMAJ-BNCP and 242103?

A: The primary difference is product status. APH-SMAJ-BNCP is Obsolete, while 242103 is Active. Additionally, 242103 specifies Bag packaging, whereas APH-SMAJ-BNCP packaging is not specified. Both parts carry RoHS compliance, with 242103 carrying the more current ROHS3 designation. All electrical and mechanical specifications are identical.

Q: Are there any compliance or certification differences between these parts?

A: Both parts are RoHS compliant and carry identical ECCN (EAR99) and HTSUS (8536.69.4010) classifications. Part 242103 carries ROHS3 Compliant status, which represents current regulatory alignment. Both parts carry MSL 1 (Unlimited) moisture sensitivity rating. Part 242103 is additionally noted as REACH Affected.

Q: What connector types does this adapter support?

A: This adapter converts between BNC Plug (male pin) connectors and SMA Jack (female socket) connectors. The adapter accepts a BNC Plug male pin on one end and provides an SMA Jack female socket on the other end. Both connectors operate at 50 Ohms impedance.

Q: What is the maximum operating frequency for this adapter?

A: The maximum frequency rating is 4 GHz for both APH-SMAJ-BNCP and 242103. This rating applies across the full operating temperature range of -65°C to 165°C.

Q: Is this adapter suitable for outdoor or harsh environment applications?

A: Both parts feature gold-plated brass bodies and gold-plated phosphor bronze center contacts, providing corrosion resistance. The PTFE dielectric material supports the full operating temperature range of -65°C to 165°C. MSL 1 (Unlimited) rating indicates no moisture sensitivity constraints. These specifications support use in demanding environments, subject to application-specific environmental requirements.

Q: What is the fastening mechanism for this adapter?

A: The adapter uses Bayonet Lock and Threaded fastening types. The BNC end employs bayonet lock coupling, while the SMA end uses threaded coupling. Both mechanisms provide secure, repeatable mating cycles suitable for in-line applications.