The interface shape of the D-SUB connector looks like a capital "D", so this type of connector is commonly known as D-SUB. This is an interface connector for analog signals or digital interface signals. In places where this connector is often used in our lives, there are printer cables and monitor cables.
D-SUB connectors are divided into DB soldering type, DBH end type, DML crimping type, DMS direct plug-in type, DMR curved plug-in type, DMRH curved plug-in type, 57S straight plug-in type, 57BR curved plug-in type, DRB bur type, HDC ultra-thin type; there are DVI series, VGA series, DR series, HDR series, SCSI series, high current series, etc. These D-SUB connectors are currently used more VGA series and DVI series.
The connector housings are available in five different sizes, and each housing size can have two different pin configurations. The standard case size has 2 rows of contacts and the high density case has 3 rows of contacts.
D-SUB connectors are bulky and heavy especially compared to newer connectors. Therefore, such connectors are difficult to connect and disconnect in a small space. However, the right-angle adapter can be rotated 90 degrees without damaging the connector, which helps to effectively utilize the D-SUB connector in tight spaces.
The pins inside the D-SUB connector housing are exposed and easily bent or broken. The way to avoid damage to the pins is to protect the pins with a D-SUB plug or socket protector to avoid damage when they are not mated. In addition, male-to-female converters and female protectors help reduce stress on connectors caused by repeated mating and unmating.
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