4Hole Square Flange Straight SMA RF Plug Connector For Panel Mount

4Hole Square Flange Straight SMA RF Plug Connector For Panel Mount Specification

Core Material
Brass, gold-plated

Insulation
PTFE

Number of Conductor
Single

Operating Temperature
-55C to +155C

Locking Type
Threaded coupling

Conductor Shape
Round pin

Impedance
50 Ohms

Core Number
Single

Cable Type
N/A (Connector only)

Tensile Strength
Meets SMA standard requirements

Usage & Applications
RF communication, antennas, telecom, instrumentation

Dielectiric Strength
1000V rms min

Conductor Type
Solid

Features
High frequency, low VSWR, panel mount, secure 4-hole square flange, reliable RF connectivity

Rated Temperature
-55C to +155C

Install Type
Panel Mount (4-hole flange)

Weight
Approx. 5g

Diameter
Outer shell: 6.35mm (SMA interface)

Product Type
SMA RF Plug Connector

Length
Standard (customizable on request)

Voltage
Up to 335V rms max

Insulation Material
PTFE

Application
RF, microwave, test equipment, panel mounting applications

Conductor Material
Brass, gold-plated

Jacket Material
N/A (applies to cable, not connector)

Storage Temperature
-55C to +155C

Connector Color
Metallic gold (gold-plated)

Shield Material
Brass, gold-plated

Jacket Color
N/A (applies to cable, not connector)

Dimension (L*W*H)
16mm x 16mm x 15mm (approx.)

Material
Brass body (gold-plated), PTFE insulator

Color
Gold (connector finish)

Size
SMA standard, panel flange 16mm x 16mm, mounting hole dia 2.8mm

Mating Cycles
500

RoHS Compliance
Yes

VSWR
1.2 (up to 12.4 GHz)

Contact Resistance
Center contact 6m; Outer contact 2m

Ingress Protection
IP50 (when mated)

Frequency Range
DC to 18 GHz

Flange Thickness
2.5mm approx.

Body Plating
Gold over nickel

Mounting Hole Pitch
12.7mm (center-to-center)

Contact Plating
Gold over nickel

4Hole Square Flange Straight SMA RF Plug Connector For Panel Mount Trade Information

Minimum Order Quantity
5 Pieces

Main Domestic Market
All India

About 4Hole Square Flange Straight SMA RF Plug Connector For Panel Mount

Techinial Datasheet:

Electrical Characteristics

Impedance50 ohm
Frequency Range: 0~6 GHz
VSWR: Straight type 1.3max / R/A type 1.5max
Dielectric Withstanding Voltage:1000 V rms min for RG142, RG405
750 V rms min. for RG316, RG402
500v rms min. for RG178
Working Voltage: 500 V rms max. for RG142, RG405
375 V rms max. for RG316, RG402
170 V rms max. for RG178
Center Contact Resistance 6.0 m (Milliohms max.)
Outer Contact Resistance 2.0 m (Milliohms max.)
Insultation Resistance 5 x 10 m (Megohms min.)

Mechanical Characteristics

Coupling: 1/4-36 thread
Contact Retention: 15 in-lbs min.
Coupling nut torque: 30 in-lbs. min.
Durability(mating) 500 cycles (For Beryllium Copper Contact)

Environmental Characteristics

Environmental Characteristics: -55C ~ +155C
Vibration: MIL-STD-202 Meth.204
Corrosion resistance: MIL-STD-202 Meth. 101

Material:

Part	Material	Finish
Body	BRASS	Au:1-3u"
insulator	TEFLON	NONE
Center Contact Pin	BRASS	Au:5u"

Engineered for Reliable RF Performance

Built with a gold-plated brass shell and PTFE insulation, this SMA connector achieves minimal signal loss and high durability across DC to 18 GHz. Its robust square flange and four-hole mounting ensure secure attachment to panels, making it suitable for demanding RF, microwave, and instrumentation applications.

Flexible & Versatile Mounting Solution

With a standard 16mm x 16mm flange and 2.8mm hole diameter, this connector supports effortless installation in various panel configurations. The panel mount design and customizable length options enable it to fit a wide array of equipment layouts in both commercial and industrial settings.

Certified Quality & Reliability

Manufactured to meet RoHS requirements and SMA standard specifications, this connector guarantees safe, compliant use in diverse environments. It withstands temperatures from -55C to +155C, up to 335V rms, and maintains reliable connectivity over repeated mating cycles.

FAQs of 4Hole Square Flange Straight SMA RF Plug Connector For Panel Mount:

Q: How is this 4-hole square flange SMA connector installed on a panel?

A: The connector is designed for secure panel mounting. Align the four flange holes (12.7mm pitch, 2.8mm diameter) with corresponding holes on your panel, then fasten using standard screws. The threaded coupling ensures a reliable RF connection to mating SMA plugs.

Q: What makes this connector suitable for high-frequency applications up to 18 GHz?

A: Its precision-engineered brass body (gold plated), solid round-pin brass conductor, and PTFE insulator combine to provide low contact resistance and minimal signal reflection (VSWR 1.2 up to 12.4 GHz), essential for RF, microwave, and telecom use.

Q: When should I use this SMA panel mount connector?

A: Choose this connector for applications that require secure, high-frequency signal transmission through a panel, such as RF communication, antennas, test equipment, and instrument enclosures. Its high reliability and IP50 rating are especially beneficial in demanding environments.

Q: Where can this SMA connector be used?

A: It is ideal for installation in RF and microwave systems, telecom infrastructures, antennas, and laboratory test equipmentanywhere you require a secure, panel-mounted SMA interface for reliable RF connectivity.

Q: What processes are involved in maintaining reliable RF contact over time?

A: The gold-over-nickel plating on both the body and contacts resists corrosion and wear. Combined with robust PTFE insulation and a threaded locking mechanism, this ensures stable contact and over 500 mating cycles without performance loss.

Q: What are the key benefits of using a gold-plated brass SMA connector?

A: Gold plating enhances conductivity, resists oxidation, and ensures low contact resistance. The sturdy brass body provides excellent mechanical strength, making this connector a long-lasting solution for high-density panel installations.

Q: Can this connector withstand extreme operating conditions?

A: Yes, it is rated for operating and storage temperatures from -55C to +155C and meets SMA standards for tensile strength and dielectric performance, supporting reliable operation across a wide range of environmental conditions.