China pcb online FR4 PCB

China pcb online FR4 PCB

The Hitachi refrigerator pcb in a modern refrigerator is responsible for controlling the temperature and defrost cycle of the refrigerator. It is a very important electronic product that keeps the refrigerator running and cools the food at the right temperature.

Product Details

China pcb online FR4 PCB

Basic information about the product:

Product Classification: PCBA

Circuit board use: monitoring tester

Manufacturing Process: Lead-Free Process

Process flow: SMT+DIP

Over-furnace test: SMD USB interface CN10, SMD FFC socket CN4, SMD SD card holder CN1 need to do furnace experiment


pcb prototype


Process information for the product:

Whether pcb is baked: PCB board is used for baking 8H

Steel mesh: laser professional steel mesh

Solder paste requirements: Thousand Island lead-free solder paste SN99AGO. 3CU0. 7

Board test requirements: check the faulty and reverse of the circuit board components

Welding method: insert, hand soldering, soldering iron temperature 370 degrees, penetrating tin 50%, 4.3-inch display with anti-static bubble cotton packaging after the empty stickers with large goods,

Tin-passing requirements: pay attention to check the tin penetration is above 50%

Cleaning method: hand wash, electrostatic brushing, pay attention to not corrode to the connector


pcb

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