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DIOTEC SL32SMA-3G SL32SMA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- DIOTEC SL32SMA-3G
- Type
- DIOTEC
- Minimum package
- 7500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DIOTEC
- Electronic Component
- SL32SMA-3G
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- Schottky Diode
- Electronic Component
- 0g
- Electronic Component
- 1
- Electronic Component
- BM0228548970
- Current
- 3A
- Current(Ir)
- 50uA@20V
- (Vf)
- 450mV@3A
- Electronic Component
- Electronic Component
- Electronic Component
- 7500
- Voltage Rating(Vr)
- 20V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SL32SMA-3G 产品概述
一、产品简介
SL32SMA-3G 为 DIOTEC（德欧泰克）系列肖特基势垒二极管，采用 DO-214AC（SMA）封装。作为功率肖特基整流器，该器件以低正向压降和快速整流特性著称，适合在低压大电流环境中作为整流、续流或反向保护元件使用。
二、主要电气参数
- 正向压降 (Vf)：约 450 mV @ IF = 3 A
- 直流反向耐压 (Vr)：20 V
- 额定整流电流：3 A（散热良好时）
- 反向电流 (Ir)：50 μA @ VR = 20 V（随温度升高显著上升）
以上为典型测试点下的参数，实际应用中请参考制造商完整数据手册以获取绝对最大额定值与温度特性。
三、关键特性与优势
- 低正向压降：在中高电流工作点能够显著降低整流损耗，提高效率并减少发热。
- 快速恢复/低储存电荷：开关损耗小，适合开关电源及高频整流场合。
- 紧凑封装：SMA 封装兼顾体积与功率散热能力，适合表面贴装自动化生产。
- 商业可得性好：DIOTEC 品牌供应链稳定，适合量产使用。
四、典型应用场景
- 开关电源的输出整流与续流二极管
- 车载电子、工业电源中的反向极性保护与整流
- 电池充放电路径、太阳能微逆变器与能量回收系统
- LED 驱动、电机驱动中的自由轮回路与钳位保护
五、封装与安装注意
- 封装：DO-214AC（SMA），表面贴装，正负极由封装端点及体上标识区分（通常带极性带）。
- 热管理：SMA 虽体积小但具一定功率散热能力，需在 PCB 布局上通过铜箔散热、热过孔等方式提升散热性能。高电流长时间工作时应考虑热阻与结温升高对漏电流和可靠性的影响。
- 焊接：遵循厂家推荐的回流焊工艺，避免超出温度/时间限制以防性能退化。储存和回流前注意防潮处理。
六、选型与使用建议
- 若工作电压或反向耐压要求高于 20 V，应选用耐压更高的型号；若需要更低的反向漏泄或更高的浪涌能力，请参考厂方的同系列其它型号或降额选型。
- 在高温工作环境下，反向电流会显著上升，需在热仿真或实测基础上进行温度分配和散热设计。
- 对突发浪涌（如浪涌电流、反向电压尖峰）敏感的场合，建议配合限流或瞬态抑制器件一同使用。
- 最终选型与可靠性验证请参考 DIOTEC 官方数据手册与封装图纸，并在目标应用中做功率与热性能验证。
如需详细数据手册、封装图或应用参考电路，请联系供应商获取最新技术资料和测试曲线。
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