MS3420-20

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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MS3420-20 Application Field and Working Principle

Introduction

MS3420-20, part of the MS3400 Series Circular Connectors, is a versatile high-performance connector mainly used on military and aerospace applications. The MS3420 series has two configurations – straight plug and 40-degree plug – to meet different requirements. MS3420-20 connectors are made of brass, aluminum alloy, stainless steel and fiberglass, making them excellent solutions for harsh environments like high temperature, radiation and high humidity.

Application Field

MS3420-20 connectors are mainly used on aerospace and military applications. They can be used in many different scenarios, such as connecting avionics systems, military communication and navigation equipment, satellite payloads, radio communication devices, and ground control systems. It is also suitable for applications where resistance to shock, vibration and extreme temperatures is required.

Advantages

MS3420-20 connectors are ideal for harsh environments. The brass connectors allow for excellent resistance to shock and vibration, while the aluminum alloy connectors offer excellent resistance to corrosion. They also have very low electrical resistance, giving them very low power consumption. The stainless steel connectors provide superior durability and superior temperature stability. The fiberglass reinforced polymers also make them very lightweight and resistant to high humidity, thermal shock and radiation.

Design

The MS3420 series connectors are designed in a standard cylindrical shape with a bayonet-style coupling mechanism. The coupling nut is made of stainless steel which provide superior strength and durability. The inner contact terminals are made of phosphor bronze and copper alloy, which provides superior electrical performance and reliable connection even under harsh environments. The MS3420-20 has 3-18 pins for signal and power.

Working Principle

MS3420-20 circular connectors have a bayonet locking mechanism that allows it to be easily connected and disconnected without the use of any tools. The connectors are coupled by lining up the index pins on the hood and plug, and then rotating the coupling nut clockwise until it is locked in place. The locking mechanism ensures a secure connection between the plug and hood.

Conclusion

MS3420-20 connectors provide a versatile high-performance connection solution for aerospace and military applications. They are made from durable materials, such as brass, aluminum alloy, stainless steel and fiberglass, which make them highly resistant to shock, vibration, corrosion, and extreme temperatures. The bayonet locking mechanism ensures a secure connection, and the 3-18 pins on the connectors make them suitable for many applications.

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