TE Connectivity AMP 1051139-1 SMA Connector Plug Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP 1051139-1 is an SMA connector plug designed for coaxial RF applications requiring 50-ohm impedance. This component is a male pin, right-angle solder-terminated connector suitable for free-hanging in-line mounting with RG-188 cable groups. The part is classified as obsolete, making identification of equivalent substitute components necessary for ongoing system support, maintenance, and new design implementations where legacy compatibility is required.

Substiute Parts

1051139-1

TE Connectivity AMP ConnectorsIn Stock: 12131051139-1 Datasheet

Current PartRFQ

142-0203-101

Cinch Connectivity SolutionsIn Stock: 746142-0203-101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity AMP 1051139-1 is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector style (SMA)
• Connector type (Plug, Male Pin)
• Impedance (50 Ohms)
• Frequency maximum rating (12.4 GHz)
• Voltage rating (250 V)
• Dielectric material (PTFE)

Mechanical Compatibility Parameters:

• Contact termination method (Solder)
• Shield termination method (Clamp)
• Mounting type (Free Hanging, In-Line, Right Angle)
• Fastening type (Threaded)
• Operating temperature range (-65°C ~ 165°C)
• Mating cycles (500)

Material and Environmental Parameters:

• Center contact material (Brass)
• Center contact plating (Gold)
• Body finish (Gold)
• Moisture sensitivity level (MSL 1)

The Cinch Connectivity Solutions 142-0203-101 meets all critical electrical and mechanical parameters required for direct substitution. This part maintains identical impedance, frequency rating, termination methods, and environmental specifications. The substitute part is currently in active product status, providing ongoing availability and support.

Parameter Comparison

Engineering Selection Recommendations

The Cinch Connectivity Solutions 142-0203-101 is a direct functional equivalent to the TE Connectivity AMP 1051139-1 for all specified electrical and mechanical applications. Selection of the substitute part is supported by the following factors:

Product Status Consideration: The TE Connectivity AMP 1051139-1 is classified as obsolete, while the Cinch Connectivity Solutions 142-0203-101 maintains active product status. This ensures continued availability, manufacturing support, and supply chain reliability for new procurements and system maintenance.

Compliance Alignment: Both parts maintain equivalent regulatory compliance across RoHS, REACH, ECCN, and HTSUS classifications. The substitute part achieves ROHS3 compliance, representing current regulatory standards while maintaining backward compatibility with RoHS requirements.

Electrical and Mechanical Equivalence: All critical parameters determining RF performance, mechanical interface, and environmental operation are identical between the main part and substitute. These include 50-ohm impedance, 12.4 GHz frequency rating, solder termination, clamp shield termination, and -65°C to 165°C operating temperature range.

Cable Compatibility: The substitute part supports RG-161, RG-174, RG-188, and RG-316 cable groups, providing broader cable compatibility than the main part specification of RG-188 alone.

Frequently Asked Questions (FAQ)

Q: Can the Cinch Connectivity Solutions 142-0203-101 be used as a direct replacement for the TE Connectivity AMP 1051139-1 in existing designs?

A: Yes. The substitute part meets all electrical and mechanical specifications of the original component, including impedance, frequency rating, termination methods, operating temperature range, and voltage rating. No design modifications are required for direct substitution.

Q: What is the primary reason for identifying a substitute for the TE Connectivity AMP 1051139-1?

A: The TE Connectivity AMP 1051139-1 is classified as obsolete. The Cinch Connectivity Solutions 142-0203-101 is an active product, ensuring ongoing availability and manufacturing support for new procurements and system maintenance.

Q: Are there differences in the included components between the main part and substitute?

A: Both parts include four components: 1 connector, 1 clamp assembly, 1 collar/nut, and 1 end cap. The substitute part specifies these as clamp cone and clamp nut, while the main part lists clamp and collar. Both configurations provide equivalent mechanical assembly and function.

Q: Does the substitute part support the same cable types as the original?

A: The substitute part supports RG-161, RG-174, RG-188, and RG-316 cable groups. The main part specification lists RG-188. The substitute provides equivalent support for RG-188 with additional cable compatibility options.

Q: Are the RoHS compliance levels equivalent between the two parts?

A: Both parts are RoHS compliant. The main part is RoHS Compliant, and the substitute is ROHS3 Compliant. ROHS3 represents current regulatory standards and maintains backward compatibility with RoHS requirements.

Q: What is the packaging difference between the main part and substitute?

A: The main part packaging is listed as unspecified, while the substitute is supplied in bulk packaging. Both are suitable for component-level procurement and assembly operations.

Q: Are the impedance and frequency specifications identical?

A: Yes. Both parts maintain 50-ohm impedance and 12.4 GHz maximum frequency rating, ensuring equivalent RF performance in all applications.

Q: What is the moisture sensitivity level for both parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.