SMB Connectors Coax Straight Male Crimp Type For Cable RG178

SMB Connectors Coax Straight Male Crimp Type For Cable RG178 Specification

Operating Temperature
-65C to +165C

Impedance
50 Ohm

Locking Type
Snap-on/Snap-off

Features
High frequency performance, Easy crimp installation, Secure locking, Compact size, Quick connect/disconnect, Corrosion resistant contacts

Dielectiric Strength
1000V RMS max at sea level

Tensile Strength
N/A (depends on crimp quality and cable used)

Usage & Applications
RF cable assembly, RF testing, Antenna interface, Board-to-cable connections

Core Material
Silver-plated copper

Core Number
Single core

Cable Type
RG178 coaxial

Diameter
Approx. 6mm (connector body)

Weight
Approx. 2.5g (connector only)

Conductor Type
Single solid pin (connector), Single core (on cable)

Armored Material
N/A (not armored)

Conductor Shape
Round

Rated Temperature
-65C to +165C (connector), -55C to +200C (RG178 cable)

Install Type
Crimp type

Number of Conductor
1 (for RF signal)

Insulation
PTFE insulation for dielectric

Product Type
SMB Coaxial Connectors

Length
Custom per cable assembly; connector body approx. 19mm

Voltage
Withstands up to 335V RMS max

Insulation Material
PTFE (Polytetrafluoroethylene)

Application
RF signal transmission, test equipment, telecommunications, wireless systems, instrumentation

Conductor Material
Silver-plated copper (center pin on connector), Silver-plated copper-clad steel (on cable)

Jacket Material
Fluoropolymer (on RG178 cable)

Storage Temperature
-40C to +85C

Connector Color
Gold (plated)

Shield Material
Tinned copper (on RG178 cable)

Jacket Color
Brown (standard for RG178 cable)

Dimension (L*W*H)
Approx. 19mm 6mm 6mm (connector only)

Color
Gold

Material
Brass (body), gold plated contacts

Size
Standard SMB (approx. 6 mm diameter)

Mounting Type
Straight (inline cable)

Connector Gender
Male

Standards
MIL-C-39012, IEC 60169-10

Frequency Range
DC to 4 GHz (max recommended)

VSWR
1.3 @ 0-2 GHz

Mating Cycles
500 cycles (typical)

Humidity Resistance
95% (max at 40C)

Cable Compatibility
RG178/U or similar 50 ohm coax cable

Environmental Compliance
RoHS compliant

Insulator Flammability
UL94 V-0

Contact Resistance (Center/Outer)
6 m (center), 1 m (outer)

Plating Material
Gold plated contact, Nickel or Gold body plated

Orientation
Straight

SMB Connectors Coax Straight Male Crimp Type For Cable RG178 Trade Information

Minimum Order Quantity
5 Pieces

Main Domestic Market
All India

About SMB Connectors Coax Straight Male Crimp Type For Cable RG178

Description: plug/male, straight/180, 50,CableConnector, Crimp Type

Accessories: Ferrule

Features:

plug/male, straight/180, 50,Cable Connector, Crimp Type;
Snap-on coupling design for fast installation;
With boardband performance and low reflection;
To reduce your Cost by using die casting process in non-critical areas. High Quality with 30 days 100% Money back;
From the OEM Original Factory, same quality with much better price.

Main Application of SMB Connectors:

Aerospace and Defense: Test Stands
Medical: Telemetry
Commercial Vehicle: GPS
Telecommunications: Wireless Base Stations, Cellular Mobile System
Data/Communications: Routers, WIFI, Radio Boards
Industrial: M2M Communications, Process Controls, Video Systems,Instrumentation

Reliable Performance for RF Applications

These straight male crimp SMB connectors are designed for optimal performance in RF signal transmission, suitable for frequencies up to 4 GHz. With gold plated contacts and PTFE insulation, users benefit from low contact resistance, secure connections, and consistent signal integrity. Their compatibility with RG178/U coaxial cables makes them an excellent choice for telecommunications, wireless systems, and instrumentation.

Easy Installation with Secure Locking Mechanism

The crimp type installation enables straightforward assembly, ensuring a tight and durable fit on compatible cables. The snap-on/snap-off locking system allows for quick connect and disconnect, facilitating efficient cable management in high-density environments. This feature benefits engineers and technicians requiring reliable, repeatable installations and removals.

Built to Last: Environmental and Compliance Standards

Manufactured from high-quality brass, nickel or gold body plating, and gold-plated contacts, these connectors meet stringent MIL-C-39012 and IEC 60169-10 requirements. They withstand harsh environments, resisting up to 95% humidity at 40C and operating across a wide temperature range (-65C to +165C). Full RoHS compliance and UL94 V-0 rated insulation ensure modern safety and environmental standards are met.

FAQs of SMB Connectors Coax Straight Male Crimp Type For Cable RG178:

Q: How is the SMB straight male crimp connector installed onto RG178 coax cable?

A: The connector is attached by crimping the cables shield and center conductor into the connectors contact and body using a manual or hydraulic crimping tool designed for RG178 cable. This process secures the connection, maintaining signal integrity and mechanical strength.

Q: What are the main benefits of using this connector in RF signal applications?

A: Key advantages include high-frequency compatibility up to 4 GHz, low contact resistance, corrosion-resistant gold plating, durable PTFE insulation, and secure snap-on/snap-off locking. These features ensure stable signal transmission, ease of use, and long-term reliability in RF testing, telecommunications, and instrumentation.

Q: Where can this connector be used most effectively?

A: It is ideal for RF cable assemblies, antenna interfaces, board-to-cable connections, test equipment, wireless systems, and other environments requiring reliable 50 Ohm coaxial connections. Its compact size and robust performance suit installation in laboratories, field equipment, and telecom infrastructure.

Q: What process should be followed to ensure a secure cable-to-connector assembly?

A: Begin by stripping the RG178 cable per manufacturer specifications, insert the cable into the connector components, ensuring the center conductor seats in the contact. Use the correct crimping tool to secure both the center pin and outer braid, then snap the connector onto the matching socket or interface.

Q: When should you select this SMB connector over other connector types?

A: Choose this connector for applications demanding compact form factor, high-frequency operation, rapid installation/replacement, and compliance with industry standards. Its particularly suited to projects requiring reliable connections within a -65C to +165C temperature range and up to 500 mating cycles.

Q: What usage considerations should be kept in mind for operating at maximum frequency and voltage ratings?

A: Ensure the entire assembly (cable and connector) meets the specified performance criteria: frequency range up to 4 GHz, VSWR 1.3 at 02 GHz, and voltage withstand up to 335V RMS. Avoid exceeding humidity or temperature limits to maintain optimal signal quality and product longevity.

Q: How does environmental compliance benefit cable assemblies using this connector?

A: RoHS compliance and UL94 V-0 flammability rating assure that these connectors meet modern environmental, health, and safety standards. This makes them a preferred choice for global markets and projects requiring certified, eco-conscious, and safe components.