EJH-120-01-S-D-SM-LC-23-P

Operating Temperature:	-55°C ~ 125°C
Insulation Height:	0.500" (12.70mm)
Contact Shape:	Square
Contact Finish - Mating:	Gold
Contact Finish Thickness - Mating:	--
Contact Finish - Post:	Tin
Contact Material:	Phosphor Bronze
Insulation Material:	Liquid Crystal Polymer (LCP)
Features:	Board Lock, Keying Slot, Pick and Place
Overall Contact Length:	--
Ingress Protection:	--
Material Flammability Rating:	--
Insulation Color:	Black
Current Rating:	3A
Voltage Rating:	--
Mated Stacking Heights:	--
Contact Finish Thickness - Post:	--
Applications:	--
Number of Positions Loaded:	39
Packaging:	Tube
Part Status:	Active
Connector Type:	Header
Contact Type:	Male Pin
Pitch - Mating:	0.100" (2.54mm)
Number of Positions:	40
Number of Rows:	2
Row Spacing - Mating:	0.100" (2.54mm)
Series:	EJH
Style:	Board to Cable/Wire
Shrouding:	Shrouded - 4 Wall
Mounting Type:	Surface Mount
Termination:	Solder
Fastening Type:	Latch Lock/Eject Hooks
Contact Length - Mating:	0.225" (5.72mm)
Contact Length - Post:	--

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Introduction

EJH-120-01-S-D-SM-LC-23-P rectangular connector is standard-length, double-row connector headers, designed to mate with a variety of combinations of plated contacts, connectors, and components in many applications. The basic mechanical elements of these connectors are the pins, housing, and latching elements. Different assembly methods and the choice of contact pins can provide proper circuit continuity and reliable mechanical endurance.

Applications

EJH-120-01-S-D-SM-LC-23-P connectors are widely used in a variety of industries including aerospace, automotive, medical, industrial production, and consumer electronics. In particular, they are found in applications where space is a premium, such as wireless routers, Bluetooth headsets, and even within personally portable devices. They are relatively light and require minimal installation time and effort, making them an attractive choice for quick and easy installation in today’s system designs.

Basic Configurations

EJH-120-01-S-D-SM-LC-23-P connectors are available with either male or female pin configurations, and are compatible with a variety of interfaces. The “S” in the part number stands for the straight post version of the connector, while the “D” stands for the low-profile right angle post version. The “SM” indicates that the pins are gold plated over an underlying layer of nickel. The “LC” indicates the latch type and the “23” indicates the number of pins.

Working Principle

To ensure a secure connection, the EJH-120-01-S-D-SM-LC-23-P connector contains a latch mechanism, organized around a retention post that holds the connector\'s pins in place in the mating socket. The pins are contained in a housing that can be soldered for long-term stability. This housing is typically used with both male and female headers, depending on the application. The pins themselves are such that the mating surface extends roughly 1.27 mm (0.050 in) past both sides of the connector body; this ensures a secure contact between the socket and the mating header. The pins are color-coded meaning that an uninterrupted series of pins will invariably correspond to a single electrical connection point. The latching mechanism is designed to be secure without the need for excessive tightening and to ensure that contact cannot be lost accidentally, even under vibration.

Conclusion

In conclusion, the EJH-120-01-S-D-SM-LC-23-P connector is a popular choice for many applications due to its durability and ease of assembly. Its pins are designed for optimum reliability, and it is available in a variety of configurations. Its gold plating ensures maximum longevity in most applications, and its latching mechanism ensures secure contact with its mating header even under vibration.

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