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SUPSiC GC4D20120A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SUPSi C GC4D20120A
- Type
- SUPSIC
- Minimum package
- 50 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- SUPSIC
- Electronic Component
- GC4D20120A
- Electronic Component
- 1
- Package
- TO-220-2
- Electronic Component
- Diode
- Electronic Component
- 2.723g
- Electronic Component
- 1
- Electronic Component
- BM0258761869
- Current
- 54.5A
- Diode
- 1
- Current(Ir)
- 200uA@1200V
- (Vf)
- 1.5V
- Electronic Component
- 55℃~+175℃
- Electronic Component
- Electronic Component
- Electronic Component
- 50
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
GC4D20120A 产品概述
一、产品简介
GC4D20120A 是 SUPSiC（国晶微半导体）推出的一款高压碳化硅（SiC）肖特基二极管，封装为 TO-220-2。器件面向中高功率电源与变换器场景，兼顾高耐压、低正向压降与高浪涌能力，适合用于要求高效率、高频率和高温工作的电力电子系统。
二、主要参数
- 整流电流（IF）：54.5 A（额定直流电流）
- 正向压降（Vf）：典型 1.5 V（条件依温度与电流而异）
- 直流反向耐压（VR）：1200 V
- 反向漏电流（IR）：200 μA @ 1200 V
- 非重复峰值浪涌电流（Ifsm）：130 A
- 工作结温范围：-55 ℃ ~ +175 ℃
- 封装：TO-220-2
- 品牌：SUPSiC（国晶微半导体）
三、主要特点
- 高耐压低漏流：1200 V 等级满足中高压转换要求，1200 V 时反向漏电流仅 200 μA，适合高压直流链路。
- 低正向压降：约 1.5 V 的低压降降低导通损耗，提高系统效率，尤其在大电流工况有明显优势。
- 高浪涌能力：130 A 的峰值浪涌电流利于应对启动或短时过载情形。
- 宽温度工作范围：最高结温可达 175 ℃，提高系统耐热裕量，适合严苛环境。
- SiC 器件固有优势：无显著反向恢复（reverse-recovery）损耗，适合高开关频率设计。
四、典型应用
- 开关电源（SMPS）与有源功率因数校正（PFC）电路
- 光伏逆变器与太阳能并网设备
- 电动汽车车载充电器（OBC）与电源模块
- 逆变器、马达驱动及工业电源系统
- 高压直流（HVDC）辅助电路与充放电设备
五、封装与热管理
TO-220-2 封装便于散热和安装。建议在实际应用中配合合适的散热器或导热垫使用，并注意背面与散热基板的良好热接触。由于器件允许较高结温，仍应通过热阻分析（根据系统散热能力）保证长期可靠运行，避免长期在高结温下工作以延长寿命。
六、设计与使用注意事项
- 在高电压与高频切换点注意抑制过电压和振荡，必要时增加适当的 RC 抑制或缓冲网络。
- 考虑器件的热阻与布局，确保热流路径短且导热良好。
- 反向漏流会随温度升高增加，长期高温下需评估静态功耗与热平衡。
- 峰值浪涌仅为短时能力，设计中应保证持续工作电流不会超过额定整流电流。
七、可靠性与检验建议
推荐进行温升测试、寿命加速老化和电气应力试验以验证在目标应用下的稳定性。按照系统标准做短路、浪涌及热循环测试，可有效评估长期可靠性。
八、总结
GC4D20120A 以 1200 V 耐压、低正向压降和较高电流能力为核心优势，适用于对效率和体积有较高要求的中高压电源与变换器场景。正确的散热设计与电磁兼容治理能充分发挥其在高频、高温环境下的性能优势。若需更详细的电气特性曲线或热阻参数，建议参考厂家规格书或直接联系 SUPSiC 获取完整资料。
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