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Use SMT.
I have experienced such a problem with the SMT Mini USB B connector in the past. Genelde, the solution is to design the enclosure so that it will not allow any movement of the connector against the PCB.
As for the reason why to use SMT, SMT components are cheaper to assemble in large quantities. Sonuç olarak, through-hole components usually require special approval in most designs targeting mass production.
Devamını oku: Delikten PCB Düzeneği
#PCB Tasarımı #PCB Düzeneği
Kurşunsuz BGA yongaları için kurşunlu işlemin kullanılmasının kabul edilemez olduğunu biliyorum, çünkü BGA'nın lehim topları erimeyecek ve bağlantı yeri güvenilmez olacaktır. Ancak artık BGA çipi yalnızca kurşunsuz toplarda mevcut. Kurşunlu BGA yongalarını kurşunsuz bir yonga ile lehimlemek uygun mudur? (Böylece, daha yüksek sıcaklık) işlem?
Bilmek istediğim şey, IC'lerin de sınırlı bir raf ömrüne sahip olup olmadığı ve eğer öyleyse, bazı türler diğerlerinden daha fazla acı çeker mi?
I have a set of LED driving lights for motorcycle that must be wired through a ground-leg pulse width modulation dimmer. The problem is the mounting bracket for the lights is grounded, so the lamp shorts to ground through the motorcycle chassis and the PWM dimmer cant dim the lamps. How do I handle this problem?
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