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GOODWORK BAV21WS
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK BAV21WS
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- BAV21WS
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Switch Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- Electronic Component
- BM0225762883
- Current
- 250mA
- Diode
- Electronic Component
- Current(Ir)
- 100nA
- (Vf)
- 1.25V@200mA
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 55℃~+150℃
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BAV21WS 产品概述
一、产品简介
BAV21WS 为 GOODWORK（固得沃克）品牌的独立式通用二极管，采用 SOD-323 小型封装，适合空间受限的消费电子与工业控制电路。器件定位为低功耗、高耐压的小信号整流与保护元件，兼顾较快的恢复性能，便于在开关与高频环境中工作。
二、主要技术参数
- 工作结温范围：-55℃ ~ +150℃
- 正向压降 Vf：约 1.25V（测试条件 If ≈ 200mA）
- 平均整流电流：250mA（连续）
- 非重复峰值浪涌电流 Ifsm：1A（单次脉冲）
- 直流反向耐压 Vr：250V
- 反向电流 Ir：典型 100nA（视测试电压与温度）
- 反向恢复时间 Trr：约 50ns
- 耗散功率 Pd：500mW
- 封装：SOD-323（独立式贴片）
以上参数适用于典型环境与标准测试条件，设计时请以实际 datasheet 为准，并考虑温度与频率对性能的影响。
三、封装与热管理要点
SOD-323 封装体积小、引脚间距短，适合高密度贴片装配，但热阻较大，500mW 的耗散能力在实际板上受限。建议：
- 在电路板上为二极管提供合理的铜箔面积与热散布路径；
- 如在高环境温或连续 250mA 工作条件下，应进行降额设计或采用散热增强措施；
- 焊接时遵循厂家推荐的回流曲线，避免过热与长时间高温暴露，防止封装应力或可靠性下降。
四、典型应用场景
- 小功率整流与检波：便于便携式电源、信号检测电路中进行低至中等电流的整流。
- 保护与钳位：用作反向极性保护、过压钳位或输入端防护器件。
- 快速开关与高频电路：50ns 的反向恢复时间使其可在一定频率范围内用作开关整流或脉冲整形。
- 通信与测量前端：在高耐压需求且电流较小的场合作为信号保护/隔离元件。
五、设计及使用建议
- 在高 Vr 或高温条件下，注意反向漏电增加，必要时选用漏电更低或耐压更高的替代品。
- 非重复峰值浪涌 Ifsm 为 1A，适合短时冲击，但不宜作为承受频繁大浪涌的主保护器件。
- 反向恢复时间对开关损耗有影响，在高速切换场合需评估其对系统效率的贡献。
- 组装与储存应避免潮湿、静电冲击，贴片前进行干燥烘烤以防吸湿引起焊接问题。
六、采购与质量提示
GOODWORK（固得沃克）品牌的 BAV21WS 适合对成本与体积有要求的量产项目。采购时请确认器件批次、合规检测报告与封装贴片规格，获取完整数据手册以核对温度依赖特性与典型电气曲线。在关键应用中建议进行样品验证测试，包括热循环、浪涌耐受与长期漏电随温度变化的评估。
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