13
2020
-
08
Straight key switch & key switch are commonly used in those electronic products
Author:
Wu Kaiqing
Lito electronic products are widely used in all kinds of electronic products, such as security system security equipment, car supplies car audio, home appliances audio and video equipment, office conference equipment and so on
Security equipment has intercom system, video surveillance system, entrance control system. Car supplies, car audio and other electronic products mainly use PB type straight key switches in Lito products, such as PB22E60, PB22E70, PB22E60A, PB22E52, PB22E63, PB22E68, PB22E69, etc. PB type straight key switches have two functional forms of self-locking and non-locking reset, and welding feet have dip (in-line type) and smt (patch type). The welding method and welding temperature resistance of the direct key switch are respectively: hand welding 380°C, wave soldering 245 ° ~ 255°C, and reflow soldering 270±5°C. Dip direct key switch is generally used for hand soldering, wave soldering, etc. smt direct key switch is generally used for reflow soldering.
Set-top boxes in household appliances, audio-visual equipment, projectors in office conference equipment, etc. use more PS key switches in Lito products, such as PS12E05, PS22E05, PS22E08, PS22F02, etc. in Lito electronics. The two common functional forms of PS key switches are self-locking and non-locking reset. Self-locking refers to the locking state realized by hooking the internal locking hook of the key switch to the slot on the plastic handle at a certain distance under the pressing position of the plastic handle of the key switch. Non-locking reset refers to the locking state and returning to the state before pressing no matter how much the plastic handle is pressed.
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