RSM-125-02-L-S-P

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Rectangular Connectors have evolved over the past decades into a popular class of electronic components found in a variety of electronics applications, whether in consumer or commercial electronics. The RSM-125-02-L-S-P is a particularly popular form of rectangular connector, offering a reliable, economical, and secure form of interconnect for a myriad of electronic applications.

This particular rectangular connector is made up of a two-position shielded female socketed receptacle. It is a surface-mount component with a half-pitch of 0.050”. The centerline of this connector is only 0.125”, making it particularly successful in tight connection spaces. This connector is distinctive in its insulator, which features a low-profile, low-activation color, with UL94V-0 certification, for an added level of security against environmental factors that may otherwise compromise connection integrity.

Beyond its two-position header, this rectangular connector also offers a range of other features:

• It is available in both straight and right-angle versions, allowing for optimal configuration in a broad range of applications.
• The contacts are polarization-friendly, which reduces the risk of user-error during assembly, while the board-locks provide additional protection against any potential board or wire misalignment.
• For added convenience, the contacts are removable from the contacts housing.
• The contacts are constructed with corrosion-resistant and temperature-resistant Au or Sn, offering up to 250 mating cycles.
• The contacts are built for power and signal applications up to 3A, with compatibility for both solid and stranded wires.

Overall, this particular version of the rectangular connector provides multiple advantages to virtually any application. Whether a modest consumer device, or an industrial application, the RSM-125-02-L-S-P brings a reliable and low-profile solution to any operation requiring a secure connection.

Working Principle

The working principle of the RSM-125-02-L-S-P is to connect the signal and/or power sources together with the receptacle as an intermediate transfer point. This receptacle features two positions – one for the signal/power source and one for the device/consumer. The source is connected through the bottom contact, while the consumer/device is connected via the top contact. It is important to note that if the connector has a top and bottom cover, it is important that they both are used to guarantee reliable operation.

The signal/power transfer occurs in two stages:

1. When the header/receptacle are mated, the outer surface of the contact is in contact with the receptacle’s insulator.
2. In the second stage, when the contacts enter one another, they spring outward and create an electrical connection.

This double-contact principle, known as “make-before-break,” is essential to ensure a reliable connection even in the face of vibration or movement of the housing or the components within.

Application Field

The RSM-125-02-L-S-P is often used in consumer electronics like personal computers, communication equipment, test equipment, audio/video equipment, and power supplies and other similar devices. This connector is useful in a variety of industrial applications as well, including process controllers, instrumentation, medical equipment, and green energy production.

This particular hooded female socket connector also works well in a variety of environmental requirements, offering stable performance in a temperature range of -40°C to +125°C. Furthermore, this version is also equipped with VDE/UL/CSA certification, making it suitable for many global applications.

The RSM-125-02-L-S-P is one of many rectangular connectors designed for use in a wide range of applications. This version, with its two-position shielded female socketed receptacle, is specifically designed for reliable operation, with added features to reduce the risk of user-error during assembly. Its VDE/UL/CSA certification also makes it suitable for many global applications, making it an ideal solution for a variety of electronics industries.

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