MDM-21SH027B-A174

Shell Material, Finish:	Aluminum, Nickel Plated, Electroless
Backset Spacing:	--
Contact Material:	Copper Alloy
Wire Gauge:	--
Housing Material:	Liquid Crystal Polymer (LCP)
Contact Form:	--
Color:	--
Voltage Rating:	--
Operating Temperature:	-55°C ~ 125°C
Current Rating:	3A
Material Flammability Rating:	--
Ingress Protection:	--
Contact Finish Thickness:	--
Contact Finish:	Gold
Series:	83513-Style Micro D Metal Shell (MDM)
Features:	Shielded
Termination:	Wire Leads
Flange Feature:	Housing/Shell (Unthreaded)
Mounting Type:	Panel Mount
Contact Type:	Signal
Shell Size, Connector Layout:	0.050 Pitch x 0.043 Row to Row
Number of Rows:	2
Number of Positions:	21
Connector Type:	Receptacle, Female Sockets
Connector Style:	D-Type, Micro-D
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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## IntroductionThe MDM-21SH027B-A174 D-Sub Connectors are widely used across a variety of applications including Industrial, Medical, Test/Measurement and Consumer Electronics sectors. They are designed for high reliability and resistance to shock and vibration, to meet the ever more stringent standards of applications such as automotive and heavy industry. The MDM-21SH027B-A174 offers reliable contact force-action, optimized contact plating and robust shells for an optimized performance.

## Application FieldThe MDM-21SH027B-A174 connectors are ideal for use in demanding applications where reliable connection is needed. These include Industrial, Medical, Test/Measurement and Consumer Electronics applications.The MDM-21SH027B-A174 provides excellent performance under harsh environmental conditions such as high temperature, aggressive atmospheres, shock and vibration. The design ensures reliable contact force-action and its optimized contact plating provide improved thermal performance and electrical protection.The connectors are available in a variety of configurations such as standard, reverse, right angle andSMT layouts. This provides the end user with the flexibility to choose the most suitable connector for their application.

## Working PrincipleThe MDM-21SH027B-A174 connectors feature a simple, robust design with pinned and pressed contacts. The terminal block is designed to accept components such as signal contacts, power contacts and crimp contacts.The connector is designed to provide reliable contact force-action with optimized contact plating, ensuring excellent thermal performance and electrical protection. The design also features robust shells to resist shock and vibration, providing high reliability and improved safety.The connector is easy to install, with a simple push-in mating and a secure lock to ensure the contacts are firmly in place. The pins and pressed contacts ensure a tight connection even after frequent insertion and removal cycles.The MDM-21SH027B-A174 connectors are an ideal choice for applications where high reliability and resistance to shock and vibration is required. The simple and robust design ensures reliable and robust performance for a wide range of applications.

## ConclusionThe MDM-21SH027B-A174 is an ideal D-Sub Connector for a variety of applications including Industrial, Medical, Test/Measurement and Consumer Electronics sectors. Its simple and robust design ensures reliable contact force-action and optimized contact plating with robust shells to resist shock and vibration. The connector is easy to install, with a simple push-in mating and a secure lock to ensure contacts are firmly in place. The wide range of configurations are suitable for most applications, providing the end user with the flexibility to choose the best connector for their application.

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