SMA connector

Frequency	DC-18G
Temperature	-65~165
Impedance	50
VSWR	Flexible cable≤1.15+0.02 ; semi rigid/semi flex ≤1.05+0.02F
Dielectric withstanding voltage	1000
Durablity	500
Model Name	SMA-KFB0.8EA

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Introduction

The SMA connector is a widely used semi-precision miniature RF and microwave connector, especially for interconnect in electronic systems with frequencies up to 18 GHz and above. It come in many forms, male, female, straight, right angle, bulkhead, flange, front mount, rear mount, thread-in etc.

Due to the ultra small size, it is employed in tight layout.

Typical SMA connector is coupled by thread. And interface is with a hexagonal nut and is suggested to be tightened by torque wrench to realize proper connection.

SMA Interface Dimension in mm

	Plug（female）		receptacle（male）
Letter	minimum	maximum	minimum	maximum
A	/	/	0.356	0.406
B	/	/	2.896	2.996
C	/	3.43	3.557	3.657
D	-0.07	0.12	3.125	3.225
E	-0.07	0.2	/	/
F	3.35	/	0.89	1.778
G	/	/	0.839	0.939
H	/	/	1.397	1.447
I	/	/	1.982	2.082
J	/	/	2.744	2.844

Material

Body	brass, gold plated or stainless steel passivated
Male center contact	brass gold plated
Female center contact	beryllium bronze, gold plated
Insulator	PTFE
Gasket	Silicon rubber
Crimp ferrules	copper alloy,nickel or gold plated

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SMA connector

Introduction

SMA Interface Dimension in mm

Material

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