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SKYWORKS SKYA21003
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- SKYWORKS SKYA21003
- Type
- SKYWORKS
- Unit
- Electronic Component
- Minimum package
- 3000 个
Technical parameters
- P1dB
- 38.5dBm
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SKYWORKS
- Electronic Component
- SKYA21003
- Electronic Component
- 1
- Package
- QFN-12-EP(2x2)
- Electronic Component
- RFSwitch
- Electronic Component
- 0.021g
- Frequency
- 100MHz~6GHz
- Electronic Component
- 1
- Electronic Component
- 42dB
- Features
- Integrated Logic
- Electronic Component
- BM0265584959
- Operating Temperature
- 40℃~+105℃
- Operating Voltage
- 2.3V~4.8V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SKYA21003 产品概述
一、概述
SKYA21003 是 SKYWORKS 提供的一款宽带 SPDT 射频开关，覆盖 100 MHz 至 6 GHz 频段，适用于多种无线系统中的天线切换与发射/接收路径管理。器件以 QFN-12-EP (2 x 2 mm) 小封装提供，适合空间受限的移动与终端设备。
二、主要特性
- 频率范围：100 MHz ~ 6 GHz，支持 Wi‑Fi、LTE、Sub‑6 及其他射频应用
- 隔离度：典型值 42 dB，有助于抑制旁路信号与干扰
- 插入损耗：典型 0.8 dB，保持射频链路增益并降低系统噪声系数增量
- 工作电压：2.3 V ~ 4.8 V，兼容常见 2.5V / 3.3V / 4.2V 供电体系
- 工作温度：-40 ℃ ~ +105 ℃，适应工业与商用环境
- 封装：QFN‑12‑EP (2x2 mm)，利于高密度 PCB 设计
三、典型应用
- 手机、平板与物联网终端的天线切换与多模射频路径
- WLAN/蓝牙/5G Sub‑6 的收发切换与旁路切换
- 多天线分集、备份天线切换与信号路由管理
- 无线测试平台与前端模块集成
四、设计与布局建议
- 保持 RF 走线短且统一 50 Ω 特性阻抗，避免不必要的弯折与阻抗不连续
- 在 VCC 引脚附近放置适当去耦电容（如 100 nF + 1 nF 组合），并靠近器件电源引脚布置回流地线
- 封装露铜垫（EP）应焊接到 PCB 接地平面，推荐多排地 vias 提供良好热与射频回流
- 对天线端口采用直流隔离电容与必要的匹配网络，依据频段调节 L/C 元件以优化回波损耗（S11）
五、选型与可靠性注意事项
- 对于高功率发射路径，确认开关在最大输入功率下的功率承受能力与线性指标（参照厂方详细数据手册）
- 进行板级测试时以 50 Ω 测试环境测量 S‑参数（S21 插入损耗、S12 隔离等）以验证实际性能
- 遵循厂方推荐的回流焊温度曲线与 ESD 操作规程，避免在存储与装配过程中受潮或静电损伤
六、总结
SKYA21003 提供宽带覆盖、低插损与高隔离的设计优势，配合小型 QFN 封装，非常适合需在受限空间内实现天线与射频路径切换的终端与无线前端应用。详细电气参数、开关寿命与功率极限建议参考 SKYWORKS 官方数据手册以完成最终设计验证。
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