参数资料
型号: SI4737-C-EVB
厂商: Silicon Laboratories Inc
文件页数: 39/42页
文件大小: 0K
描述: BOARD EVAL SI4737 VERSION C
标准包装: 1
类型: 接收器
频率: 520kHz ~ 1.71MHz,64MHz ~ 108MHz,162.4MHz ~ 162.55MHz
适用于相关产品: SI4737
已供物品:
Si4736/37/38/39-C40
14. PCB Land Pattern: Si4736/37 SSOP
Figure 17 illustrates the PCB land pattern details for the Si4736/37-C40-GU SSOP. Table 20 lists the values for the
dimensions shown in the illustration.
Figure 17. PCB Land Pattern
Table 20. PCB Land Pattern Dimensions
Dimension
C
E
X1
Y1
Min
5.20
0.35
1.55
0.65 BSC
Max
5.40
0.45
1.75
General:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. This land pattern design is based on the IPC-7351 guidelines.
Solder Mask Design:
3. All metal pads are to be non-solder mask defined (NSMD). Clearance between the
solder mask and the metal pad is to be 60 μm minimum, all the way around the
pad.
Stencil Design:
4. A stainless steel, laser-cut and electro-polished stencil with trapezoidal walls
should be used to assure good solder paste release.
5. The stencil thickness should be 0.125 mm (5 mils).
6. The ratio of stencil aperture to land pad size should be 1:1 for all perimeter pads.
Card Assembly:
7. A No-Clean, Type-3 solder paste is recommended.
8. The recommended card reflow profile is per the JEDEC/IPC J-STD-020
specification for Small Body Components.
Rev. 1.0
39
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