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YANGJIE SSL34A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE SSL34A
- Type
- SMA(DO-214AC)
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- SSL34A
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- 0.12g
- Electronic Component
- 1
- Electronic Component
- BM0230631415
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SSL34A 产品概述
一、概述
SSL34A 是扬杰（YANGJIE）推出的一款功率肖特基整流二极管，封装为 SMA（常见为 DO‑214AC 尺寸）。器件具有低正向压降和较大的整流电流能力，适用于各种中小功率开关电源、整流与保护电路场合。工作结温范围宽（-55℃ 至 +150℃），在高频开关与脉冲场景中表现良好。
二、主要参数
- 品牌：YANGJIE（扬杰）
- 型号：SSL34A
- 封装：SMA
- 直流整流电流（Io）：3A
- 正向压降（Vf）：450 mV @ 3A
- 反向耐压（Vr）：40 V
- 反向电流（Ir）：500 μA @ 40 V
- 非重复峰值浪涌电流（Ifsm）：60 A（单次浪涌）
- 工作结温：-55℃ ~ +150℃
三、特点与优势
- 低正向压降：450 mV@3A，有效降低导通损耗，提升效率，尤其在低压大电流场合能显著降低发热。
- 快速恢复与低结电容：肖特基特性适合高频整流和开关电源输出整流。
- 较高浪涌能力：60 A 单次浪涌承受能力，增强对启动与短时过载事件的鲁棒性。
- 宽温度范围：适用于工业级环境和高温场景。
需注意：肖特基器件反向漏电随温度上升显著增加（Ir 在 40 V 时为 500 μA），在高温或高反向电压工况下需关注漏电导致的损耗与热量。
四、典型应用
- 开关电源输出整流（DC‑DC、AC‑DC）
- 电源反向保护、整流桥替代、整流二极管（低压大电流）
- 电池充放电路径、快速切换与 ORing 电路
- LED 驱动、适配器电源、车载电子电源系统
五、热管理与 PCB 布局建议
- 尽量增大焊盘铜箔面积并使用多层大面积铜箔散热；对高功率应用建议在焊盘下方加过孔通至内层或底层以增强散热。
- 将二极管靠近热源或负载布置以缩短导线长度，减少寄生电感与额外损耗。
- 对于高浪涌场合，可在输入端加限流或软启动电路，减少对器件的冲击。
六、可靠性与使用注意
- 注意反向漏电随温度升高的增长，需在器件数据表规定的最大结温下进行热仿真和功率评估。
- 浪涌电流 Ifsm 为单次峰值，重复或长时间浪涌会损伤器件，应通过电路设计限制浪涌次数和幅值。
- 焊接时遵循封装的回流焊温度曲线，避免过高温度和过长时间造成材料老化。
七、封装与订购信息
SMA 小而稳健，适合表面贴装自动化生产。订购时请确认完整型号（SSL34A）、包装数量和供应商（扬杰），并参考官方数据手册以获取更详尽的绝对最大额定值、变换曲线及热阻参数。
总结：SSL34A 以其低 Vf、较高 Io 与浪涌能力，在中低压、高频整流与保护应用中具有良好性价比。合理的热设计与正确的电路约束能够充分发挥其性能并保证长期可靠运行。
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