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BLUE ROCKET DS34W
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BLUE ROCKET DS34W
- Type
- BLUE ROCKET
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BLUE ROCKET
- Electronic Component
- DS34W
- Electronic Component
- 1
- Package
- SOD-123FL
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.024g
- Electronic Component
- 1
- Electronic Component
- BM0226538810
- Current
- 3A
- Diode
- Electronic Component
- Current(Ir)
- 500uA@40V
- (Vf)
- 550mV@3A
- 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.
DS34W 产品概述
一、产品简介
DS34W 是 BLUE ROCKET 出品的一款独立式整流二极管，封装为 SOD-123FL，适用于低电压大电流的整流和保护场合。器件工作结温范围为 -55℃ 至 +125℃，额定整流电流为 3A，能在空间受限的应用中提供可靠的导通和保护功能。
二、主要电气参数（关键值）
- 正向压降（Vf）：550 mV @ 3 A（常态导通损耗参考）
- 直流反向耐压（Vr）：40 V
- 反向电流（Ir）：500 μA @ 40 V（漏电性能）
- 非重复峰值浪涌电流（Ifsm）：80 A（短时浪涌承受能力）
- 额定整流电流：3 A
- 工作结温范围：-55℃ ~ +125℃
三、性能要点与解读
- 低压降设计：在 3A 电流下正向压降仅 0.55V，典型导通功耗约 1.65W（P=I×V），有助于减少功率损耗和发热。
- 漏电与耐压平衡：40V 的反向耐压适合多数 12V/24V 系统，而 500μA 的反向电流在高温或高压条件下需考虑系统漏电预算。
- 抗浪涌能力：80A 的短时浪涌能力使其在开机浪涌或瞬态冲击时具备一定生存能力，但长期反复冲击仍需通过保护电路降低应力。
- 宽温工作：-55℃ 至 +125℃ 的结温范围满足工业级环境需求，但散热设计仍是保证可靠性的关键。
四、典型应用场景
- 开关电源及整流输出线路的快速整流元件
- 直流母线保护、反接保护和续流（freewheeling）电路
- 电池保护与充电管理中的整流/隔离器件（适用于电压低于 40V 的系统）
- 工业控制、通讯设备及消费类电子的电源管理模块
五、封装与布局建议
SOD-123FL 封装适合自动贴装与回流焊工艺。建议在 PCB 设计中：
- 为二极管引脚提供较宽铜箔和足够的焊盘面积，以利散热；
- 在高功率应用处采用散热铜箔和过孔（thermal vias）将热量导向内层或背面地平面；
- 布局靠近发热源或需要保护的器件，缩短电流回流路径以降低导通损耗。
六、使用与可靠性提示
- 在高电流长期工作场合，应评估结温并确保在最大结温限制内运行；
- 反向电流较大时（高温+高压），需注意系统整体漏电流对性能或安全的影响；
- 对于需要更高耐压或更低漏电的应用，可向供应商咨询系列产品或替代型号；
- 焊接工艺请参照 BLUE ROCKET 的具体回流焊曲线与规范，避免超出推荐的温度/时间参数以保证焊点可靠性。
七、采购与技术支持
如需样片、批量采购或获取完整的典型特性曲线、封装图与回流焊规范，请联系 BLUE ROCKET 指定代理或销售工程师索取官方数据手册（Datasheet）和应用笔记，以便在设计中正确评估并应用 DS34W。
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