SSQ-149-03-S-D-RA

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Rectangular Connectors - Headers, Receptacles, Female Sockets are widely used in electrical and electronic equipment and circuits. Among them, the SSQ-149-03-S-D-RA is well-known for its excellent performance. The main application fields and working principles of SSQ-149-03-S-D-RA are introduced in this article to help people use it easily and properly.

Application Fields

The SSQ-149-03-S-D-RA is a rectangular connector, well designed for various applications, like PCB, wiring harness, and radio frequency enclosures. In most cases, this kind of connector isn’t meant to be disconnected once plugged in; for example, electrical and electronic equipment. In other cases, where the connector needs to be disconnected, it is usually attached to a power source or battery or other relevant device.

The SSQ-149-03-S-D-RA has two versions of housing: one with a surface mount option, and the other with a through-hole mount. The design of the housing makes the connector resistant to vibration and shock. It is also designed to be dust proof and water resistant. Thanks to its reliable connection, the SSQ-149-03-S-D-RA is often used in the automotive, industrial, medical, and telecommunications fields.

Working Principle

The SSQ-149-03-S-D-RA is a two-piece connector that works by using an internal cable conductor to draw power from the power supply. This connector has a pole and socket assembly made of brass, tin plating contacts, and an insulated plastic shell housing that houses the conductor and its connections. In the protected environment of the housing, the contact springs allow for a consistent electrical contact when the pole and socket are connected.

The socket can be connected to the pole and electricity can be drawn from it. The contact springs in the socket maintain a reliable electrical contact. The connection is secured by screws on the inner pole and outer socket, and the clamping force of the screws is used to ensure good electrical contact between the connector and the conductor. This also prevents any loosening or slipping of the connector when in use.

When the connector is completely assembled, the outer shell is sealed to prevent moisture and dust from entering. In addition, the assembled SSQ-149-03-S-D-RA has a built-in tension relief design that helps to protect the internal cable conductor from damage due to external forces.

Conclusion

The SSQ-149-03-S-D-RA is a rectangular connector that is mainly used in the automotive, industrial, medical, and telecommunications fields. Thanks to its well-designed housing, it can resist vibration and shock and also be dust proof and water resistant. With its reliable connection, it can ensure a consistent electrical contact when connected to the power source or other relevant device. Its pole and socket assembly is designed to have reliable contact springs, and it also has a built-in tension relief design to protect the internal cable conductor from damage.

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