CS-SM-MSD SMA Connector Plug Equivalent & Substitute Parts

Part Overview

The CS-SM-MSD is an SMA connector plug manufactured by Crystek Corporation, designed for coaxial RF applications requiring solder termination. This component features a male pin configuration with free-hanging (in-line) mounting and is compatible with Semflex LA290 cable assemblies. The part is currently classified as obsolete, making equivalent substitute parts necessary for ongoing system maintenance, repairs, and legacy equipment support.

Substiute Parts

CS-SM-MSD

Crystek CorporationIn Stock: 1109CS-SM-MSD Datasheet

Current PartRFQ

1050750-1

TE Connectivity AMP ConnectorsIn Stock: 9011050750-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CS-SM-MSD are identified based on strict alignment with the following critical parameters:

• Connector Style & Type: SMA plug with male pin configuration
• Termination Method: Solder contact termination with clamp shield termination
• Mounting Configuration: Free hanging (in-line) orientation
• Fastening Mechanism: Threaded coupling
• Material Composition: Stainless steel body with gold-plated beryllium copper or brass center contact
• Dielectric: PTFE insulation
• Port Configuration: Single port (1)

The TE Connectivity AMP Connectors part 1050750-1 qualifies as a direct substitute based on matching all primary structural and functional parameters. Both components employ identical connector styles, termination methods, mounting types, and material specifications suitable for RF coaxial applications.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 1050750-1 serves as a functional equivalent for the obsolete CS-SM-MSD based on matching core connector architecture, termination methodology, and material specifications. Both components are classified as obsolete, indicating limited availability through standard distribution channels.

Selection between these parts should be based on:

• Cable Compatibility: The CS-SM-MSD is specified for Semflex LA290 cable assemblies, while the 1050750-1 is specified for RG-401 (.250" Semi Rigid) cable. Verify cable group compatibility with your application requirements.
• Center Contact Material Variation: The CS-SM-MSD uses beryllium copper, while the 1050750-1 uses brass. Both materials are gold-plated and suitable for RF solder applications.
• Regulatory Compliance: Both parts carry ECCN EAR99 classification and REACH Unaffected status, meeting standard export and environmental compliance requirements.
• Moisture Sensitivity: Both components are rated MSL 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Frequently Asked Questions (FAQ)

Q: Can the 1050750-1 directly replace the CS-SM-MSD in existing assemblies?

A: Direct substitution is possible if cable group compatibility is confirmed. The 1050750-1 is specified for RG-401 cable, while the CS-SM-MSD is specified for Semflex LA290. Verify that your application can accommodate the specified cable type before substitution.

Q: What is the significance of the center contact material difference (beryllium copper vs. brass)?

A: Both materials are gold-plated and suitable for RF solder termination. The material difference does not affect electrical performance in standard SMA applications. Selection should be based on cable compatibility and availability.

Q: Are both parts suitable for the same frequency range?

A: The 1050750-1 specifies a maximum frequency of 18 GHz. The CS-SM-MSD does not provide frequency specifications in the available data. For applications requiring specific frequency performance, consult detailed datasheets or contact the manufacturers.

Q: What does the MSL 1 rating mean for these connectors?

A: MSL 1 (Unlimited) indicates that these components have no moisture sensitivity constraints. They can be stored and handled without special humidity control measures, simplifying inventory management and logistics.

Q: Are there any compliance differences between these parts?

A: Both parts are classified as REACH Unaffected and carry ECCN EAR99 designation. No significant compliance differences exist between the two components for standard commercial applications.