pogopin mechanical parameters
1. Mechanical life: refers to the insertion and removal of the product (the
seat and head of the special connector), generally 1000 to 10000 times. Note
that most products do not support hot swap (ie, live separation or insertion).
If the user has a request, it should be declared first when ordering.
2. Dimensional interference: The user should pay attention to the
adaptability of the product's external dimensions to your installation space
when selecting, and focus on whether it will cause dimensional interference with
other components or components.
3. Pinhole: When there is a high reliability requirement, usually in order
to improve reliability, redundant design is generally adopted, and two or more
pins are used in parallel. In addition, if the socket is often live, it is more
appropriate to choose the mounting hole, and vice versa, mainly for safety
considerations.
4. Locking methods: rectangular connectors are divided into screw, buckle
fast, fast inserting and other locking methods, circular connectors are divided
into ribs, bayonet fast, marble type fast, etc., usually ribs or screws are used
to lock the connector. The unplugging time is long, and it is only suitable for
occasions where it is not often plugged and unplugged. The locking method is
reliable but troublesome to plug and unplug. Quick locking of inserts, bayonet,
etc. is suitable for occasions where it is often plugged in and unplugged.
5. Positioning method: It is mainly to prevent the wrong mating of the
connector. If the requirements are strict, you can choose a variety of
positioning structures.
6. Installation method: It is mainly based on the user's preference or
installation location and aesthetics. The focus is on the selection of
accessories.
Use attention
1. Since most products do not have the function of preventing oblique
insertion, be careful not to insert obliquely when inserting, and it should be
the same when pulling out. Try not to pull out by shaking it from side to side.
Especially for sealed products that use glass insulators as a support, not only
should the welding end not be moved at will when welding, but also should not be
shaken side-to-side when pulling out.
2. Although products using twist needles are highly reliable, they do not
support blind insertion and are not suitable for explosive insertion. When
inserting, you should first align the direction and then slowly push in, because
the twist needle needs time to automatically find the position. .
3. Since most products do not support hot plugging or unplugging (hot
plugging), you should plug or unplug after power off.
4. Products that are not inserted in place (or before being locked) cannot
be powered on. Do not insert forcibly if there is an abnormality when
inserting.
5. Before using the connector, check whether there is any excess. If you
want to clean the contact parts, you should use silk fabric dipped in absolute
ethanol to scrub. Cotton fabric should not be used to prevent the fiber from
being hooked and forming excess.
6. Special connectors should be stored in a non-corrosive gas environment
with a temperature of -45～+125℃ and a relative humidity of not more than
95%.
7. For the termination type using crimping, it should be noted that the
cross-sectional area of the core of the cable you choose should meet the
specification range of the sample for this parameter. If the core is too small,
the crimping will be weak, and the too large core will not be crimped. . For
soldering, it should also be considered that after the cable core is inserted,
sufficient solder loading space should be ensured.
8. For products connected by welding, neutral flux should be used when
welding, so as not to contaminate the insulator and reduce the insulation of the
product. At the same time, the soldering temperature should not be too high and
the time should not be too long. Usually the soldering temperature should not
exceed 260 ℃, and a matching electric soldering iron can be selected
accordingly. The continuous welding time should not exceed 3 seconds, and the
longest should not exceed 5 seconds. If you need to repeat the welding many
times, you should perform the second welding after the solder joints are
sufficiently cooled. After the welding is completed, the special connector
should be removed in time The surface flux of the insulator is not contaminated
and the insulation performance is reduced.
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