BCS-139-L-S-TE-021

Insulation Color:	Black
Contact Finish Thickness - Post:	--
Contact Material:	Phosphor Bronze
Contact Shape:	Square
Insulation Material:	Liquid Crystal Polymer (LCP), Glass Filled
Applications:	--
Voltage Rating:	475VAC
Current Rating:	4.6A per Contact
Features:	--
Ingress Protection:	--
Mated Stacking Heights:	--
Contact Finish - Post:	Tin
Material Flammability Rating:	UL94 V-0
Operating Temperature:	-55°C ~ 125°C
Contact Length - Post:	0.122" (3.10mm)
Insulation Height:	0.290" (7.37mm)
Series:	Tiger Claw™ BCS
Contact Finish Thickness - Mating:	10.0µin (0.25µm)
Contact Finish - Mating:	Gold
Fastening Type:	Push-Pull
Termination:	Solder
Mounting Type:	Through Hole
Row Spacing - Mating:	--
Number of Rows:	1
Pitch - Mating:	0.100" (2.54mm)
Number of Positions Loaded:	38
Number of Positions:	39
Style:	Board to Board
Contact Type:	Female Socket
Connector Type:	Receptacle
Part Status:	Active
Packaging:	Tube

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BCS-139-L-S-TE-021 application field and working principle

BCS-139-L-S-TE-021 is a type of rectangular connector in the headers, receptacles, and female sockets category. It has a wide range of applications, including telecommunications, computers, consumer electronic products, power supplies, aerospace and defense, and industrial control systems. The BCS-139-L-S-TE-021 has an insulating base and terminal block that are made of UL 94V0 thermoplastic, giving it excellent resistance to chemicals, flame, and heat. The insulating base is designed to keep the pins and terminals tight and prevent damage caused by mechanical vibrations. Further, the terminals of the device are made with gold-plated contacts to prevent oxidation and ensure reliable operation. The BCS-139-L-S-TE-021 is a 2-position, low profile, 2-pole female socket board level connector. It provides space-saving design because of its low profile and can be used for both part-to-part and wire-to-wire interconnects. The device has a current rating of 1.5A and a voltage rating of 250VAC, making it suitable for use in a wide variety of applications. In terms of working principle, the BCS-139-L-S-TE-021 connection is based on a self-locking system called "blind mating". This type of connection is unique because it uses a latching system that engages the terminals without the need to thread the wire or strip the insulation. The device helps ensure that the wires are inserted correctly and stay secure. Additionally, the connector has a ratcheting mechanism in its design, which further assures that the wires or pins are held solidly in place.The BCS-139-L-S-TE-021 is RoHS compliant and available in multiple terminal block orientations to suit various applications. Additionally, the connector has two mounting holes for easy installation and doesn\'t require the use of any additional hardware. The device is relatively easy to use with a simple plug-in design and it also has an aesthetic value due to its modular appearance. In summary, the BCS-139-L-S-TE-021 is a board level connector that can be used in a variety of applications, such as telecommunications, computers, power supplies, and industrial control systems. The device has a low profile design for space saving, a current rating of 1.5A, a voltage rating of 250VAC, and a unique self-locking mechanism that allows for quick and secure connections without requiring additional hardware or tools.

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