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PANJIT 1N4148WS_R1_00001
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- PANJIT 1N4148WS_R1_00001
- Type
- PANJIT
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- PANJIT
- Electronic Component
- 1N4148WS_R1_00001
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Switch Diode
- Electronic Component
- 0.018g
- Electronic Component
- 1
- Electronic Component
- BM0227282151
- Current
- 200mA
- Diode
- Electronic Component
- Current(Ir)
- 2.5uA
- (Vf)
- 1.25V@150mA
- Power Dissipation(Pd)
- 250mW
- Electronic Component
- 55℃~+150℃@(Tj)
- 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.
1N4148WS_R1_00001 产品概述
一、产品简介
1N4148WS_R1_00001 是强茂（PANJIT）推出的一款独立式开关二极管，采用 SOD-323 小封装，主要面向小信号高速开关与通用整流应用。该器件结合了低正向压降、快速恢复时间与宽温度工作范围，适用于手机、通讯、消费电子及工业控制等对体积与速度有要求的电路设计。
二、主要规格一览
- 品牌：PANJIT（强茂）
- 型号：1N4148WS_R1_00001
- 封装：SOD-323（独立式）
- 工作结温：-55℃ ~ +150℃ (Tj)
- 直流整流电流：200 mA
- 非重复峰值浪涌电流 Ifsm：4 A
- 反向耐压 VR：75 V
- 正向压降 Vf：1.25 V @ 150 mA
- 反向电流 IR：2.5 µA
- 反向恢复时间 Trr：4 ns
- 功耗 Pd：250 mW
三、性能特点
- 快速开关：4 ns 的反向恢复时间使其在高频开关与信号切换场合响应迅速，能有效降低开关损耗与交叉导通问题。
- 低正向压降：在 150 mA 条件下 Vf = 1.25 V，利于降低导通损耗并提高效率。
- 宽温度工作范围：-55℃ 至 +150℃，适应严苛环境与工业级应用。
- 小型化封装：SOD-323 体积小、占板面积低，适合高密度 PCB 布局与表面贴装生产。
四、典型应用场景
- 小信号快速开关电路、逻辑门保护与脉冲整形。
- 高速通讯设备中的浪涌与反向保护。
- 移动终端、便携消费电子的信号整流与保护电路。
- 工业控制与测量设备中对速度与体积有要求的电路板。
五、封装与布局建议
- SOD-323 为小型表贴封装，焊接时应使用符合制程的回流焊温度曲线，避免过热导致器件性能退化。
- PCB 布局建议走线尽量短、粗，以减小寄生电感与提高散热能力；对需要更好散热的应用，可在焊盘下方或附近增加铜箔面积或散热通孔（根据 PCB 工艺允许）。
- 为降低开关噪声和振铃，建议在关键节点适当并联阻尼器件或贴近器件放置旁路电容。
六、可靠性与使用注意
- 使用前请参阅强茂官方器件数据手册，确认回流温度曲线、焊接工艺与存储条件。
- 器件虽具有一定浪涌承受能力（Ifsm 4 A），但在频繁大电流冲击或高温环境下应采取保护措施，如限流、热保护或并联保护器件。
- ESD 敏感度需在生产过程中注意防静电措施与接地操作，避免破坏器件结电性。
七、选型与替代
1N4148WS_R1_00001 属于 1N4148 系列的快速开关二极管家族，性能上与传统 1N4148 相似但采用 SOD-323 小封装，更适合空间受限的表面贴装应用。选型时应对照正向压降、反向耐压与 Trr 等关键参数，确保满足实际电路需求。
如需进一步的电气参数曲线、封装尺寸或可靠性测试数据，可联系供应商或访问强茂官方资料获取完整数据手册与应用说明。
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