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The strip connector generally realizes the connection between the printed board and the printed board, cooperates with the socket to complete the connection of the board and the cable (burning program), and cooperates with the circuit breaker to complete the board jumper function.

1.Classification of strip connectors(space grade connectors)

Sort by spacing

2.54mm, 2.00mm, 1.27mm, etc.

Classification by termination

Through hole (THT), surface mount (SMT), straight pin, curved pin

Classified by shape

Single-layer type, double-layer stack type, through-wall type.

2.Notes on selection of strip connectors

The non-contact parts (pins, transition areas) are tin-plated, and the contact parts are gold-plated.

Selection of gold plating thickness for contacts: 0.25um plating thickness is preferred for common applications, 0.76um is preferred for more frequent mating applications.

A 2.54mm pitch is recommended, and a 2.00mm pitch is required when space is critical.

It is recommended that the working current of each pair of pinholes does not exceed 3A.

Pay attention to the insertion depth of the hole seat when selecting the model to ensure a reliable fit (more than two-thirds of the depth of the plastic body).

According to the product structure height requirements, choose the corresponding height of the needle seat, hole seat. When the distance between the boards is less than 11mm, ordinary pins and sockets are used. Stacked pin holders above 11mm are used with ordinary hole seats (the maximum board spacing can reach 34mm).

Recommended surface mount form for pitches below 2.00mm.

The needle hub is preferably 40 needles.

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Domestic D-sub connectors are usually divided into DB, HDB, DP, HDP, DR and HDR. You must have a headache about  various types. Today I'll help you sort out the application of d style connector.

D-sub connector, also known as D-sub miniature, is a common electrical connector in computers. D-sub connector has parallel pin arrangement and is surrounded by metal shield. The shielding end is short, similar to the English letter D. D-sub connectors have been widely used for many years.

D style connector has been used in many applications as multi-channel connector, but the most widely known is for RS-232 serial connection. In fact, D-sub connectors have been used for serial connections on most computers for many years, and today, various types of D-sub connectors can still be found on most computers.

D-sub connectors were originally called sub-miniature connectors and are now commonly referred to as D-sub-miniature connectors. Although these connectors were small when first introduced, they are no longer considered to be truly miniature connectors. D-sub connectors usually consist of two or more parallel connection lines. The connector has a metal housing in D format. This not only provides mechanical strength for connectors, but also provides some limited screening: plug and socket metal housing contact to provide screening. In addition, panel mounting connectors are usually fixed to the panel using nuts with additional threads that allow fit connectors to be fixed to prevent loosening.

As a specialist in advanced mil spec connectors automotive, Sunkye has extensive experience in micro-miniature and nano miniature solutions based on the highly reliable Twist Pin contact technology. If you want to know more details or want a quotation , just feel free to contact us!

Connectors are an important basic component that is almost ubiquitous in military and aerospace aircraft & aerospace applications and serves as interconnects for transmission signals and power,  which has to meet stringent testing for outgassing and residual magnetism to be suitable for use in airspace & aerospace applications. 

Outgassing and residual magnetism can adversely affect nearby components. Standards of MIL-C-5015, MIL-C-26482, MIL-DTL-38999. MIL-DTL-55302, MIL-DTL-83513, MIL-DTL-32139.

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