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PANJIT 1N5819_AY_100A1
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT 1N5819_AY_100A1
- Type
- PANJIT
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- 1N5819_AY_100A1
- Electronic Component
- 1
- Package
- DO-41
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.32g
- Electronic Component
- 1
- Electronic Component
- BM0263665346
- Current
- 1A
- Diode
- 1
- Current(Ir)
- 200uA@40V
- (Vf)
- 900mV@3A
- Electronic Component
- 55℃~+150℃
- 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.
1N5819_AY_100A1 产品概述
一、产品简介
1N5819_AY_100A1 是强茂（PANJIT）出品的一款肖特基势垒二极管，属于低压快速整流器系列。该器件以低正向压降和快速响应为主要特性，适用于对效率和开关损耗有较高要求的电源与保护电路。器件为独立式单只二极管封装，便于通孔安装与替换。
二、主要参数
- 二极管类型：肖特基二极管（Schottky）
- 最大反向耐压（Vr）：40 V
- 额定整流电流（Io）：1 A（直流）
- 正向压降（Vf）：约 900 mV @ 3 A
- 反向电流（Ir）：200 μA @ 40 V
- 非重复峰值浪涌电流（Ifsm）：25 A
- 工作结温范围：-55 ℃ ~ +150 ℃
- 封装形式：DO-41（轴向通孔）
上述参数表明本器件在低压直流整流、浪涌承受和高温环境下具有良好的工作能力，但在高电流长期工况下需关注散热与额定电流限制。
三、典型应用
- 开关电源与整流电路的低压整流
- DC-DC 降压/升压模块的输出整流
- 反向电源保护与防反接电路
- 电机驱动或继电器回路的续流二极管（freewheeling）
- 电池充电管理与备用电源切换
四、封装与散热
DO-41 轴向封装便于通孔焊接与可靠的机械连接，适合较宽的温度和振动工况。由于肖特基本身正向压降随电流增加而上升，建议在设计时预留足够的散热空间或采用散热措施，避免长期在额定电流附近高温工作而降低寿命或增加反向泄漏。
五、选型建议与注意事项
- 正向压降标注为 900 mV@3 A，但长期工作电流建议不超过额定整流电流 1 A；若工作电流接近或超过额定值，应评估结温与散热方案。
- 高温下反向泄漏会增加，应根据工作温度和漏电容敏感度选型或考虑更高电压/更低漏电的型号。
- 考虑浪涌能力（Ifsm=25 A），用于瞬时浪涌或冲击时性能可靠，但不要把峰值浪涌作为持续负载使用依据。
- 推荐参照 PANJIT 官方数据手册进行焊接工艺与可靠性验证，确保在实际应用中的热和机械应力可接受。
综合来看，1N5819_AY_100A1 以其低正向压降、良好的浪涌承受力和宽温度范围，适合常见低压整流和保护场景，是通用型的肖特基整流选择。
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