Surface Mount Pcb Assembly Smoke Alarm

Surface Mount Pcb Assembly Smoke Alarm

Surface mount pcb assembly smoke alarm Product file information: Product Classification: PCBA Product code: 4P3202B0-PCBA Specification model: LiteModem V2.5 Product Industry Application: Smoke Alarm Pcb sheet information: PCB 4 Layers/FR4/1.6mm/ENIG/Green Order Quantity: 1000pcs Features of the...

Product Details

Surface mount pcb assembly smoke alarm

Product file information:

Product Classification: PCBA

Product code: 4P3202B0-PCBA

Specification model: LiteModem V2.5

Product Industry Application: Smoke Alarm

Pcb sheet information: PCB 4 Layers/FR4/1.6mm/ENIG/Green

Order Quantity: 1000pcs

Features of the product: high-performance smoke detection component, independent on-site alarm, LED alarm prompt, suitable for ceiling installation fire alarm in various indoor places, low power consumption design, stable operation, self-test automatic reset

Production cycle: 5-14 days


fast pcb assembly



Smoke alarm product process description:

Production process: lead-free soldering process

Process flow: smt+dip+ brush three anti-paint + packaging

IQC furnace experiment: all self-purchased plastic molded patch materials have to be reflowed

Material baking requirements: Perform the operation according to the SMT Parts Baking Operation Guide. The 3G module of U6 number must be baked 100-125 degrees, 8 hours-12 hours

Solder paste requirements: Ag3.0/Cu0.5/20-38uM

Double-sided patch: SIM1 face stickers

Matters needing attention: 1. When the first side is produced, some components are red glue to prevent the second side from falling out of the furnace.

2. U6 bit number 3G module, must track whether it is false welding, offset, etc. is not stinky, if the bad ratio is greater than 3%, stop processing.

3.U1 bit number is attached to the heat sink after the machine components, pay attention to whether the good track is misaligned or not.

Dip welding method: hand soldering, soldering iron temperature 370 degrees, penetrating tin 50%; external port as far as possible to ensure horizontal and straight welding.


pcb board


3d pcb board

Product packaging: anti-static bag veneer packaging, around the carton should be protected with white pearl cotton, to play the role of shockproof, anti-collision and anti-fall.


packing pcb


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