SMA Connector Jack R125462001 Equivalent & Substitute Parts

Part Overview

The R125462001 is an SMA connector jack manufactured by Radiall USA, Inc., designed for RF coaxial applications requiring 50-ohm impedance and panel mount installation. This female socket connector features solder termination for both center contact and shield, supporting frequencies up to 18 GHz with an operating temperature range of -65°C to 165°C. The part is currently active in production with substantial inventory availability. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to supply constraints, manufacturing discontinuation, or procurement optimization.

Substiute Parts

R125462001

Radiall USA, Inc.In Stock: 18475R125462001 Datasheet

Current PartRFQ

142-1701-201

Cinch Connectivity SolutionsIn Stock: 1059142-1701-201 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the R125462001 are qualified based on strict equivalence of the following critical parameters:

• Connector style and type (SMA jack, female socket)
• Electrical impedance (50 ohms)
• Termination method (solder for both center contact and shield)
• Mounting configuration (panel mount with flange)
• Frequency capability (18 GHz maximum)
• Center contact material (beryllium copper)
• Dielectric material (PTFE)
• Operating temperature range (-65°C to 165°C)
• Mating cycle rating (500 cycles)

The substitute part 142-1701-201 from Cinch Connectivity Solutions meets all these core electrical and mechanical requirements, making it functionally equivalent for RF coaxial connector applications.

Parameter Comparison

Engineering Selection Recommendations

Both the R125462001 and 142-1701-201 are active production parts with equivalent electrical and mechanical specifications for RF coaxial connector applications. The R125462001 carries RoHS Compliant certification, while the 142-1701-201 carries ROHS3 Compliant certification, indicating both meet current environmental compliance standards. The 142-1701-201 additionally carries REACH Affected status. Selection between these parts should be based on supply availability, procurement lead times, and any specific compliance requirements mandated by the end application or customer specifications.

Frequently Asked Questions (FAQ)

Q: Can the 142-1701-201 be used as a direct replacement for the R125462001?

A: Yes. Both connectors share identical electrical specifications (50-ohm impedance, 18 GHz frequency capability, solder termination) and mechanical configuration (SMA jack, female socket, panel mount flange). They are functionally equivalent for RF coaxial applications.

Q: Are there differences in body material between these parts?

A: Yes. The R125462001 uses stainless steel body material, while the 142-1701-201 uses brass with gold finish. Both materials are suitable for RF connector applications and do not affect electrical performance at the specified frequency and impedance.

Q: What is the voltage rating difference between these parts?

A: The R125462001 has a 500 V voltage rating, while the 142-1701-201 has a 335 V voltage rating. For applications requiring the higher voltage specification, the R125462001 should be selected.

Q: Do both parts meet RoHS requirements?

A: Yes. The R125462001 is RoHS Compliant, and the 142-1701-201 is ROHS3 Compliant. Both meet current environmental compliance standards for electronic components.

Q: What packaging is available for the 142-1701-201?

A: The 142-1701-201 is supplied in bulk packaging, while the R125462001 packaging information is not specified in the available data.