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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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QFN类型
方形扁平无引脚封装（QFN）的特点
- 特点：外形尺寸小、引脚数低、引脚框架、性价比高
- 结构：QFN在封装底部有电极垫，而不是引脚
- 应用：小型移动设备、手机等
- 球间距：0.40／0.50／0.65mm
- 主体尺寸：4×4 mm至 7×7mm
- 引脚数：16至48引脚
QFN阵容
| 封装类型 | 封装名称 | 引脚 | 主体尺寸 （mm） |
引脚间距 （mm） |
高度（最大值） （mm） |
|---|---|---|---|---|---|
| QFN | 28 | 6×6 | 0.65 | 1.8 | |
| 48 | 7×7 | 0.5 | 0.9 | ||
| VQFN | 20 | 4×4 | 0.5 | 0.9 | |
| 24 | 4×4 | 0.5 | 0.95 | ||
| 32 | 5×5 | 0.5 | 0.9 | ||
| 32 | 5×5 | 0.5 | 0.9 | ||
| 36 | 5×5 | 0.4 | 1 | ||
| 36 | 5×5 | 0.5 | 0.9 | ||
| 40 | 6×6 | 0.5 | 0.9 | ||
| 48 | 6×6 | 0.4 | 0.8 | ||
| XQFN | 16 | 3×3 | 0.5 | 0.45 | |
| 20 | 4×4 | 0.5 | 0.5 | ||
| WQFN | 16 | 3×3 | 0.5 | 0.75 | |
| 20 | 4×4 | 0.5 | 0.75 | ||
| 24 | 4×4 | 0.5 | 0.75 | ||
| 28 | 5×5 | 0.5 | 0.8 |