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FUXINSEMI SS310A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FUXINSEMI SS310A
- Type
- FUXINSEMI
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- FUXINSEMI
- Electronic Component
- SS310A
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.096g
- Electronic Component
- 1
- Electronic Component
- BM0227636311
- Current
- 3A
- Diode
- 1
- Current(Ir)
- 100uA@100V
- (Vf)
- 850mV@3A
- Electronic Component
- 55℃~+150℃
- 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.
SS310A 产品概述
一、主要特性
SS310A 是 FUXINSEMI（富芯森美）出品的一款功率肖特基整流二极管，适用于中功率整流与开关保护场合。器件额定直流正向电流为 3A，正向电压 Vf = 0.85V（在 3A 条件下），反向耐压 100V，非重复峰值浪涌电流 Ifsm 可达 80A。工作结温范围宽（-55℃ ～ +150℃），适合高温环境和车规类应用。封装采用 SMA（DO-214AC），便于自动贴装与散热设计。
二、电气参数概述
- 直流整流电流：3A（平均）
- 正向压降：0.85V @ 3A（典型测试条件）
- 直流反向耐压 VR：100V
- 反向漏电流 Ir：典型值约 500nA（在较低温度/较低电压时），最大值规格为 100µA @ 100V（请以具体产品规格书为准）
- 非重复峰值浪涌电流 Ifsm：80A（单次突发浪涌能力）
- 工作结温：-55℃ ～ +150℃
以上参数表明 SS310A 在中等电流、高速开关场合具有良好性能，但其正向压降相对低压肖特基器件略高，需在系统热预算中考虑损耗。
三、封装与热特性
SS310A 使用 SMA（DO-214AC）封装，体积紧凑、可靠性高，适合自动化生产。SMA 封装在 3A 级别应用中需要合理的 PCB 散热设计：增大焊盘铜箔面积、使用热过孔连接至内层或底层散热铜箔可显著降低结温。在高环境温度或持续大电流条件下建议进行热仿真与结温计算，确保结温不超过额定上限。
四、典型应用场景
- 开关电源与整流输出二极管（中功率）
- 续流/自由轮二极管（降压/升压转换器）
- 反接/极性保护
- 电池充放电路径保护、电源管理模块
- LED 驱动与照明电源（中等电流）
- 工业与汽车电子（在满足温度与漏电规范下）
五、使用与布局建议
- 将二极管靠近电感或开关管放置，缩短高频回路长度，减少寄生感抗。
- 增大焊盘铜箔和使用多孔过孔，提升封装散热能力；在需要时将铜箔连接到大型散热地平面。
- 对于浪涌或开启瞬态，考虑配合限流电阻或软启动电路，避免超过 Ifsm 指定的脉冲能量。
- 在高温或高压应用中，注意反向漏电随温度上升而增加，应在电路容限内评估最大漏电影响。
六、注意事项与可靠性
SS310A 的反向漏电在高温和高电压条件下会显著增加，系统设计时需要留有裕量；长期在高结温或频繁大幅浪涌下工作会影响器件寿命。选型时建议参考完整数据手册中的典型曲线（Vf‑I 曲线、Ir‑Vr 曲线、热阻参数等）并根据实际工作条件做热仿真与老化评估。
总结：SS310A 为一款结构紧凑、额定 3A 的肖特基整流二极管，凭借 100V 耐压与 80A 峰值浪涌能力，适合多种中功率整流与保护应用。合理的 PCB 散热与热管理是确保长期稳定运行的关键。若需更详细的电气特性或应用电路建议，请提供工作环境和峰值/平均电流等具体工作条件，以便给出更针对性的方案。
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