Allicdata Part #: | 0740990644-ND |
Manufacturer Part#: |
0740990644 |
Price: | $ 1.90 |
Product Category: | Connectors, Interconnects |
Manufacturer: | Molex, LLC |
Short Description: | SL VERT SMT HDR 30 SAU 4 CKT |
More Detail: | Connector Header Surface Mount 4 position 0.100" (... |
DataSheet: | 0740990644 Datasheet/PDF |
Quantity: | 1000 |
700 +: | $ 1.70857 |
Operating Temperature: | -- |
Insulation Height: | 0.450" (11.43mm) |
Contact Shape: | Square |
Contact Finish - Mating: | Gold |
Contact Finish Thickness - Mating: | 30.0µin (0.76µm) |
Contact Finish - Post: | Tin |
Contact Material: | Phosphor Bronze |
Insulation Material: | Polycyclohexylenedimethylene Terephthalate (PCT), Glass Filled |
Features: | Pick and Place |
Overall Contact Length: | -- |
Ingress Protection: | -- |
Material Flammability Rating: | UL94 V-0 |
Insulation Color: | Black |
Current Rating: | -- |
Voltage Rating: | -- |
Mated Stacking Heights: | -- |
Contact Finish Thickness - Post: | 74.8µin (1.90µm) |
Applications: | Automotive, General Purpose, Industrial, Medical |
Number of Positions Loaded: | All |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Connector Type: | Header |
Contact Type: | Male Pin |
Pitch - Mating: | 0.100" (2.54mm) |
Number of Positions: | 4 |
Number of Rows: | 1 |
Row Spacing - Mating: | -- |
Series: | SL 74099 |
Style: | Board to Cable/Wire |
Shrouding: | Shrouded - 4 Wall |
Mounting Type: | Surface Mount |
Termination: | Solder |
Fastening Type: | Latch Holder |
Contact Length - Mating: | 0.240" (6.10mm) |
Contact Length - Post: | -- |
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.0740990644 Application Field and Working Principle
The 0740990644 rectangular connectors are a type of electrical connectors used for many applications, such as data, audio, video, and communications, due to their low profile and interference protection ability. They consist of two parts, a header and a receptacle. The header consists of two rows of pins or sockets, which when mated, align to form a continuous electrical path. The receptacle consists of two pieces, one of which is permanently mounted and the other one may be loose or a spring-loaded version. The mating of the header and the receptacle results in an electrical connection.
The 0740990644 rectangular connectors have a variety of different pin configurations and connections based around specific requirements for industrial applications. A common configuration is for power and signal connections, with a single pin row providing power and the other featuring more pins depending on the application in question. There are even specific versions designed for USB 2.0, Ethernet, and HDMI connections.
The header pin is composed of two layers: the body layer and the contact layer. The body layer is a rigid material that provides mechanical support and holds the contact layer in place. The contact layer is the copper section that provides electrical connection between the pin and the receptacle. The contacts are inserted and soldered to the contact layer of the header pin and the receptacle.
The receptacle provides a connection point for the header pin and has two separate layers, the insulator and contact layer. The insulator provides the rigidity necessary to keep the contacts of the header pin in firm contact with the contacts of the receptacle. The contacts of the receptacle are made of copper and are usually gold plated for better conductivity and corrosion protection.
The 0740990644 rectangular connectors are typically used in a vast array of applications due to their low profile and interference protection ability. They are used for various signal and power connections, including USB, Ethernet, and HDMI connections. The connectors can also be used in medical equipment, automotive applications, telecommunications, military applications, and more.
The working principle of 0740990644 rectangular connectors is quite simple. First, the pins are inserted into the receptacle. Then, the contacts of both the header pin and the receptacle are soldered together. Finally, the pins are securely fastened to the receptacle, enabling an electrical connection.
Overall, the 0740990644 rectangular connectors are an invaluable tool for electrical engineers and other professionals who need a robust, reliable, low profile electrical connection. They are used in a variety of industrial applications, including data, audio, video, and communications. Their sturdy two-layer construction, gold-plated contacts for improved conductivity and a wide range of pin configurations make them suitable for a wide variety of applications.
The specific data is subject to PDF, and the above content is for reference
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