产品特点：
1、智能风扇配备自动感应温度调节风量还配备了WiFi功能，用户在手机上下载相应的APP，即可使用手机遥控开关，风速，定时，预约等智能功能 风扇。
2、电风扇的主要部件是：交流电机。
3、其工作原理是：电源线圈在磁场中旋转。
4、以能量转换的形式，电能主要转化为机械能。 同时，由于线圈具有电阻，所以必须将一些电能转换成热能。
产品特性：
| PCB Layers | 1 Layers to 12 layer (standard), |
| PCB material/type | FR-1,FR-4, Aluminum, CEM1, Supper-thin PCB, FPC/Gold finger |
| Assembly service type | DIP/SMT or Mixed SMT & DIP |
| Copper thickness | 0.5 OZ-5 OZ |
| Assembly surface finish | HASL, HASL Lead Free, ENIG, OSP |
| PCB Dimension | 600x1200mm |
| IC Pitch(min) | 0.2mm |
| Chip Size(min) | 201 |
| Leg distance(min) | 0.3mm |
| BGA Size | 8x6mm~55x55mm |
| SMT Efficiency | SOP/CSP/SSOP/PLCC/QFP/QFN/BGA/FBGA/u-BGA |
| u-BGA ball dia. | 0.2mm |
| Required Docs for PCBA | Gerber file with BOM list & Pick-N-Place File(XYRS) |
| SMT speed | CHIP components SMT speed 0.3S/pcs, max speed 0.16S/pcs |
| Average hole wall copper | Thickness for HAL board:25um, Gold-finger plating:0.1um |
| Solder mask ink | photo cure ink, heat cure ink. UV ink. |
| Outline tolerance | ±0.1mm |
| Hole diameter tolerance | ±0.076mm |
| Hole location tolerance | ±0.076mm |
| V-CUT tolerance | ±0.1mm |
| Warp | According to the IPC-600F standard |
