121A20809X

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Type:	Header, Male Pins
Number of Positions:	48
Number of Positions Loaded:	32
Pitch:	0.200" (5.08mm)
Number of Rows:	3
Style:	E
Level, Class:	3
Mounting Type:	Through Hole, Right Angle
Termination:	Solder
Features:	--
Contact Finish:	Gold
Contact Finish Thickness:	--
Operating Temperature:	-55°C ~ 125°C
Current Rating:	5.5A
Material Flammability Rating:	UL94 V-0
Material - Insulation:	Polybutylene Terephthalate (PBT), Glass Filled

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DIN 41612 Backplane Connectors and the 121A20809X

Backplane connectors have an important role to play in interconnecting internal PCBs and other circuit components within electronics. The quality and features of these connectors are essential to their performance, especially when they are part of larger circuits. One such connector, the DIN 41612, offers the added benefit of a unique design and a high degree of customization. In particular, the 121A20809X model of this type of connector provides some excellent features that play into a variety of industrial applications.The 121A20809X model has a contact pattern of 120 positions and two rows per position. Each position includes two contacts – one for signal and the other for ground. Contacts come in various sizes, and all are plated for protection from the environment. Medical grade contacts are also available upon request. It’s made of zinc rich alloy, and the connector has an IP67 rating, making it highly water-resistant and capable of withstanding harsh environments. The connector also has a low profile and is available in various colors, making it easy to integrate into a system. In addition, the 121A20809X has a wide range of accessories, including latch and plug bridges, pluggable headers, retention clips, etc., enabling it to be used in a variety of applications.The 121A20809X is most commonly used in the industrial sector, but it has also seen use in medical, automotive, consumer electronics, and communication applications. Its contacts make it suitable for signal transmission, while its low profile helps it fit in environments where space is at a premium. It’s also suitable for application in harsh conditions, as its IP67 rating and construction enable it to withstand a variety of environmental conditions.The 121A20809X backplane connector uses a unique type of contact pattern that makes it easy to work with. It uses what’s known as a “shell-and-box” contact system. This can be described as having two mating parts, one with an inner, closed box contact, and the other with an outer shell contact. This makes it easy to connect and disconnect, while maintaining its resistance against deformation. The box contact also helps reduce the effects of electromagnetic interference.The 121A20809X works on a simple principle. When two mated shells, one with a box contact and the other with a shell contact, are connected, the circuits are completed. The box contact forms an insulation barrier, ensuring the circuit connection is carried out without any short circuits. Then, when the two shells are disconnected, the contact opens and the circuit is broken. This system ensures a reliable connection and a safe electrical circuit.In short, the 121A20809X backplane connector offers a wide range of features and benefits that makes it suitable for a variety of industrial applications. Its low profile, shell-and-box contact system, and protection from the environment make it a great choice in situations where space, reliability, and interference protection are essential.

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