WMSIC Electronic Components

SGMICRO SGM11103EYULA9G/TR SGM11103EYULA9G

ModelSGM11103EYULA9G/TR
PackageULGA-9L(1.1x1.1)
BrandSGMICRO
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
SGMICRO SGM11103EYULA9G / TR
Type
SGMICRO
Minimum package
3000 圆盘

Technical parameters

P1dB
36.5dBm
Electronic Component
Electronic Component
Electronic Component
SGMICRO
Electronic Component
SGM11103EYULA9G/TR
Electronic Component
1
Package
ULGA-9L(1.1x1.1)
Electronic Component
RFSwitch
Electronic Component
0.036g
Frequency
100MHz~3GHz
Electronic Component
1
Electronic Component
23dB
Electronic Component
BM0230661425
Operating Temperature
40℃~+85℃
Operating Voltage
2.5V~3.4V
Electronic Component
0.65dB
Circuit Structure
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SGM11103EYULA9G/TR 射频开关产品概述

一、产品简介

SGM11103EYULA9G/TR 是圣邦微(SGMICRO)推出的一款小尺寸射频开关,适用于需要低插入损耗与良好隔离度的射频前端切换场合。器件采用 ULGA-9L(1.1 mm × 1.1 mm)超小封装,工作电压范围及宽温区间使其适合无线通信、物联网、便携式终端等对体积与功耗敏感的应用。

主要参数(概要)

  • 隔离度(Isolation):23 dB
  • 插入损耗(Insertion Loss):0.65 dB
  • 工作电压(VCC):2.5 V 至 3.4 V
  • 工作温度:-40 ℃ 至 +85 ℃
  • 描述:射频开关 SGM11103EYULA9G/TR
  • 品牌:SGMICRO(圣邦微)
  • 封装:ULGA-9L(1.1 × 1.1 mm)

二、主要特性

  • 低插入损耗:典型 0.65 dB,有助于减小系统链路损耗、提升接收灵敏度与发射效率;
  • 良好隔离度:23 dB 的隔离能力在常见射频切换场合能有效抑制旁路信号漏失和互扰;
  • 宽电压适配:2.5–3.4 V 的电源范围方便与常见微控制器和射频收发芯片直接配合;
  • 宽温度范围:-40 ℃ 至 +85 ℃,满足工业级及消费类产品的环境要求;
  • 超小封装:ULGA-9L(1.1×1.1 mm),适合空间受限的移动设备与模块化设计。

三、典型应用场景

  • 天线开关与天线多路复用(Antenna Diversity / Antenna Switching);
  • 发射/接收切换(T/R switch)前端应用;
  • 射频前端模块(FEM)中的信号路由与保护;
  • 蓝牙、Wi‑Fi、ZigBee、NB‑IoT、LoRa 等无线通信终端;
  • 便携式和电池供电设备中对尺寸与低功耗有严格要求的射频开关设计。

四、系统设计与布局建议

  • 射频链路匹配:保持 50 Ω 的传输线特性阻抗,尽量缩短 RF 引线,避免急剧弯曲和跨地平面走线;
  • 接地处理:在 RF 引脚附近使用多颗过孔(via)进行地回流穿刺(ground via stitching),确保良好射频回路;器件下方可保留连续地或根据厂商推荐的焊盘布局实现最佳性能;
  • 去耦与电源:在 VCC 引脚靠近封装处放置 0.1 μF 陶瓷去耦电容,再辅以 1 μF 旁路电容,以抑制电源杂散与开关干扰;
  • 控制信号:控制引脚走线尽量短且远离 RF 路径;如系统需减小干扰,可在控制线串联小电阻或在 MCU 侧增加滤波;
  • 热管理:封装极小,散热能力有限;注意评估 RF 功率下的功耗与温升,避免长期大功率发射导致器件超温。

五、使用注意事项

  • 频段与功率范围:器件隔离度与插入损耗随频率变化,请参考完整数据手册获取在目标频段(如 700 MHz、2.4 GHz 等)下的典型曲线以及最大可承受 RF 输入功率(P1dB、IP3 或最大持续功率);
  • ESD 与稳压保护:射频开关对静电敏感,建议在生产、装配和测试环节实施严格的 ESD 控制;若系统存在强发射信号或继电器切换浪涌,可在系统级增加限流或箝位元件保护;
  • 老化与可靠性:遵循厂商封装与焊接工艺曲线进行回流焊接,避免高温超时导致封装应力或焊点缺陷。

六、封装与焊接建议

  • 封装型号:ULGA-9L,尺寸 1.1 × 1.1 mm,适合自动贴片生产;
  • 焊盘设计:建议参考厂商提供的 PCB 焊盘布局与回流曲线,保证足够的焊盘涂锡量与回流工艺稳定性;
  • 检测:建议在首批试产中使用 X‑ray 或显微检查焊点质量,并进行射频参数验证(插入损耗、隔离度、回波损耗 VSWR)。

七、可靠性与测试

  • 建议进行温度循环、湿热、振动及长时功率耐受测试,验证在高温和高功率工作下的稳定性;
  • 在系统级测试中验证开关切换时序、抖动对链路的影响以及开关互调(PIM)特性,尤其用于多载波或高动态范围接收链路。

八、资料与采购

  • 型号标识:SGM11103EYULA9G/TR,建议向圣邦微官方渠道或授权代理索取完整版数据手册(datasheet)以获取频率响应曲线、控制时序图、极限值及典型应用电路;
  • 订购与替代:在选型时注意封装、管脚兼容性与批次一致性,必要时可咨询厂商支持以确认长期可获得性。

如需,我可以基于完整数据手册为您补充频率特性曲线、开关速率、最大输入功率及典型应用电路图等详细信息。

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