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142178 Amphenol RF 142178 is a straight SMB plug connector with a female socket, 50 Ohm impedance, and solder contact termination for RG-174, 188, 316, and similar cables.
Mfr Part #:

142178

Available from 1 distributors
Mfr Name: Amphenol RF
Amphenol RF
Amphenol RF 142178 is a straight SMB plug connector with a female socket, 50 Ohm impedance, and solder contact termination for RG-174, 188, 316, and similar cables.
Total Stock: 21 pcs

142178 Available from 1 distributor

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142178 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Cable Group
Center Contact Material
Connector Style
Connector Type
Contact Termination
Fastening Type
Frequency
Frequency - Max
Housing Color
Impedance
Mounting Type
Number of Ports
Shield Termination
Tape & Reel

142178 Description

Short technical summary and product information.

The Amphenol RF 142178 is a straight SMB plug coaxial connector designed for use with a variety of popular cable types, including RG-174, RG-188, RG-316, LMR-100, and M17/119-RG174. It features a female socket center contact made of beryllium copper and a silver-plated housing.

 

This connector provides a 50 Ohm impedance and supports frequencies up to 4 GHz, making it suitable for RF applications requiring reliable signal integrity. The fastening type is snap-on for quick and secure mating. The contact termination is solder, and the shield termination is crimp, ensuring robust mechanical and electrical connections.

 

The connector is designed for free-hanging (in-line) mounting, offering flexibility in cable assembly layouts. It is RoHS3 compliant and REACH unaffected, meeting common environmental standards.

142178 Quick Information

Product Type: Coaxial Connector (RF) Assembly
Series: 142
Canonical Name: Amphenol RF 142178 SMB Plug, Female Socket, Straight, 50 Ohm, Crimp/Solder, Free Hanging Coaxial Connector
Subcategory: SMB Connector

142178 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

142178 Features

  • SMB plug with female socket center contact.
  • 50 Ohm impedance, 4 GHz max frequency.
  • Solder contact and crimp shield termination.
  • Snap-on fastening for quick mating.
  • Free hanging (in-line) mounting style.

142178 Applications

  • Ideal for RF cable assemblies in communication systems.
  • Used with RG-174, RG-188, and RG-316 cables.
  • Suitable for test and measurement equipment.
  • Common in wireless infrastructure and antenna connections.

142178 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the impedance of the Amphenol RF 142178 connector?

The impedance is 50 Ohms.

What is the maximum frequency rating for this connector?

The maximum frequency is 4 GHz.

What type of cable is compatible with this connector?

Compatible cable groups include RG-174, 188, 188A, 316, LMR-100, and M17/119-RG174.

How is the connector terminated?

The contact termination is solder and the shield termination is crimp.

What mounting style does this connector use?

The mounting type is free hanging (in-line).

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