SMS4P1

Series:	SMS
Packaging:	Bulk
Part Status:	Active
Connector Type:	Plug
Contact Type:	Male Pin
Number of Positions:	4
Pitch:	0.200" (5.08mm)
Number of Rows:	1
Row Spacing:	--
Mounting Type:	Free Hanging (In-Line)
Contact Termination:	Crimp
Fastening Type:	Latch Holder
Color:	Black
Features:	--
Note:	Contacts Not Included

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Rectangular Connectors - Housings: SMS4P1 Application Field and Working Principle

Rectangular connectors are an incredibly common and extremely well-used electrical connector type. One of the more frequently used rectangular connectors is the SMS4P1, known for its versatility and durability in heavy-duty applications. This article will explore the field and working principle of the SMS4P1 rectangular connector and housing.

What is the SMS4P1 Connector?

The SMS4P1 is a four-way, power-rated rectangular, high-voltage connector that fits 1.5 inch-long wiring harnesses. It is a type of MIL-STD-810-compliant, shallow-depth connector with crimp-wire terminals and the ability to mount in panels with a thickness of up to 0.109-inch. The connector has a contact layout of two power contacts and two signal contacts which allow for a reliable four-way connection in both power systems and signal/data applications. With its robust design, the SMS4P1 connector is also perfect for high-vibration environments.

SMS4P1 Connector’s Application Field

Thanks to its versatile design, the SMS4P1 connector is used for a variety of applications and industries. This includes automotive, military, and aerospace equipment as well as telecommunications and networking systems. The connector is particularly popular among automotive applications that require four-way power connections such as airbag deployment systems, door switch systems, and electrical power steering systems. The connector is also used for signal systems in both military and civilian applications.

SMS4P1 Connector’s Working Principle

The SMS4P1 connectors use a crimped wire terminal to secure the connection to the conductor. This type of terminal is used for its ability to act as a secure electrical connection which provides reliable operation and high current levels. The connector also uses a flexible crimp band which ensures a secure contact when it is installed in the connector body. When the connector is mated and the clasp is closed, the four power contacts are drawn together by the key and the four receptacles are soldered to the back of the connector. This is done to ensure a secure electrical connection between the contacts. The connector also uses a sealing boot which enables water and dust protection when assembled in its permanent housing. To ensure the connector works properly in any configuration, the mated connectors should be held together with the four keyed pins secured in their slots and kept tight. This will ensure that contact pressure and electrical performance is maintained over time.

Conclusion

The SMS4P1 connector is a robust and durable four-way, power-rated connector that fits 1.5-inch-long wiring harnesses. It is MIL-STD-810-compliant and is perfect for high-vibration environments. The connector is widely used in different applications and industries such as automotive, military, aerospace, telecommunications, and networking systems. The connector uses a flexible crimp band which ensures a secure contact when inserted in the connector body, as well as a sealing boot that ensures water and dust protection when assembled in its permanent housing.

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