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Jingdao Microelectronics DS120W
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic DS120W
- Type
- Jingdao Microelectronics
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- DS120W
- Electronic Component
- 1
- Package
- SOD-123F
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.032g
- Electronic Component
- 1
- Electronic Component
- BM0228055889
- Current
- 1A
- Diode
- 1
- Current(Ir)
- 100uA@200V
- (Vf)
- 900mV@1A
- Electronic Component
- 55℃~+125℃
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DS120W 肖特基二极管产品概述
一、产品简介
DS120W 是晶导微电子推出的一款高压肖特基整流二极管，采用 SOD-123F 封装，面向空间受限且对开关速度与低正向压降有较高要求的电源应用。器件支持宽温度工作范围（-55℃~+125℃），适合工业级与车规级周边电源、防反接保护与整流场合。
二、主要性能参数
- 型号：DS120W（晶导微电子）
- 封装：SOD-123F（小型表面贴装）
- 额定直流正向电流：1A（连续整流电流）
- 正向压降（Vf）：900mV @ 1A（典型测量点）
- 非重复峰值浪涌电流（Ifsm）：30A（单次浪涌能力）
- 直流反向耐压（Vr）：200V
- 反向电流（Ir）：100μA @ 200V（常温条件）
- 工作结温范围：-55℃ ~ +125℃
三、典型应用场景
- 开关电源整流与次级保护：适用于中小功率开关电源的输出整流及续流回路。
- 反接保护与电源输入保护：用于防止电池或电源接反造成损坏。
- 电池充放电线路：在电池管理与充放电路径中作为低损耗整流元件。
- 通信用整流与钳位电路：利用肖特基二极管开关速度快的特性抑制反向恢复损耗。
四、热与可靠性考虑
DS120W 在持续 1A 工作时的结温受封装与PCB散热条件影响显著。建议在布板时增大封装焊盘的铜箔面积、加宽过孔或采用散热层，以降低结温并延长器件寿命。反向泄漏电流随温度上升显著增加，故在高温环境下需进行电流降额或加旁路设计以保证稳定性。
五、封装与装配建议
SOD-123F 小型封装适合自动贴装与回流焊工艺。推荐按照常规无铅回流焊曲线进行焊接，避免超出封装耐热极限并控制再流次数。为保证焊点可靠性，焊盘设计可参考厂方推荐尺寸并配合适当的锡膏量与回流温度曲线。
六、选型与注意事项
在选型时除标称参数外，应关注实际工作温度下的反向泄漏和正向压降变化；若电路对压降敏感，可考虑并联或选用更低Vf的器件。单次浪涌能力为30A，适用于短时浪涌抑制但不宜作为持续高浪涌负载使用。采购时请确认批次规格一致性与产品认证文件（如有），并与晶导微电子销售或技术支持核实更多应用细节与可靠性测试数据。
如需更详细的电气特性曲线、封装尺寸或PCB推荐焊盘，请告知，我可提供进一步资料与设计建议。
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