QMS-026-05.75-L-D-A-RT1-TR

Series:	RF Q2™ QMS
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	Header, Outer Shroud Contacts
Number of Positions:	54 (52 + 2 RF Jacks)
Pitch:	0.025" (0.64mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Board Guide, Ground Bus (Plane)
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Mated Stacking Heights:	10mm, 12mm
Height Above Board:	0.212" (5.38mm)

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QMS-026-05.75-L-D-A-RT1-TR Application Field and Working PrincipleRectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) are specially designed for applications that demand stacking, high density and cost-effective circuit board interfacing. QMS-026-05.75-L-D-A-RT1-TR is an Edgewise Array, Board to Board Connector family consisting of a wide variety of male and female headers with internal locking.This specific Edgewise Connector family provides features such as a ruggedized speedwire terminations, board offsets, Board-in and board-to-board stacking arrangements, a variety of contact positions and stack heights, and integrated locking devices. The QMS-026-05.75-L-D-A-RT1-TR provides excellent shielding and EMI/RFI protection, while ensuring reliable electrical contact and mechanical stability at the same time.The main application field for the QMS-026-05.75-L-D-A-RT1-TR includes the electronic and communication infrastructure, industrial and automation, medical, defense and aerospace, automotive, computers and peripheral, consumer, and other areas where robust connectors are needed.The working principle of QMS-026-05.75-L-D-A-RT1-TR could be divided into three parts: the signal transmission part, the wire guiding part, and the locking part.Signals are transmitted over the pins and sockets by means of a metallic contact, with both male and female sockets insert completeness. Electrical contacts are designed to achieve long-term reliable contact and high-frequency signal capability. As an example, signal transfers over the connection port feature a contact resistance of 6mΩ maximum, contact current of 3.0A, working voltage of 110V rms, operating temperature of -55℃~105℃, and insulation resistance of 1000MΩ minimum.The variety of wire guiding configurations available for QMS-026-05.75-L-D-A-RT1-TR greatly helps advancing the design flexibility and ease of assembly. Its wire guide provides an Anti-Hopping Attachment technique for reducing wire bouncing before the mating of connectors by guiding the tension between the socket and the plug. The wire guiding technique provides flexible solutions for various stacking configurations. Additionally, a wide range of choices are available in terms of number of pins/sockets and the pitch between them for QMS-026-05.75-L-D-A-RT1-TR series, offering flexibility to the users in the design process. The latch mechanism incorporated into the QMS-026-05.75-L-D-A-RT1-TR connector family provides audible clicks when the connectors are mated. It further offers a secure and robust connection between two PCBs, eliminating the need for an additional screw, rivets or other pivotal fastening components. The embedded mechanism makes it ideal for applications requiring vibration resistant circuits. Furthermore, its combination of an outer cover with a high-density stamped or machined metal shield provides excellent shielding and EMI/RFI protection, ensuring data and signal quality transmissions. To summarize, QMS-026-05.75-L-D-A-RT1-TR is a special Edgewise Array, Board to Board Connector designed for applications that require stacking, high density and cost-effective circuit board interfacing. It features a signal transmission system with a high-frequency signal capability, an Anti-Hopping Attachment wire guiding technique, and an integrated latch mechanism to provide secure and reliable electrical contact. Furthermore, it provides excellent shielding and EMI/RFI protection. It is widely employed in various fields such as the electronic and communication infrastructure, industrial and automation, medical, defense and aerospace, automotive, computers and peripheral, consumer, and other areas.

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