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UMW PSOT12C-LF-T7 PSOT12C
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW PSOT12C-LF-T7
- Type
- UMW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- UMW
- Electronic Component
- PSOT12C-LF-T7
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Cj- Capacitor
- 90pF
- Electronic Component
- BM0265849437
- Voltage
- 19V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-5；IEC 61000-4-2
- Current(Ir)
- 2uA
- Voltage(VBR)
- 13.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PSOT12C-LF-T7 产品概述
一、概述
PSOT12C-LF-T7 是友台半导体（UMW）推出的一款双向瞬态电压抑制（TVS）二极管，主要用于对电源线和信号线的静电放电（ESD）、脉冲浪涌（Surge）及电快速瞬变（EFT）进行保护。器件封装为 SOT-23，小尺寸、易于贴装，适合空间受限的消费电子、通信及工业控制设备中对双向瞬变抑制的需求。
二、主要电气参数
- 极性：双向
- 反向截止电压 Vrwm：12 V
- 击穿电压 Vbr：13.3 V
- 钳位电压 Vc：19 V（在 8/20 μs 测试条件下）
- 峰值脉冲电流 Ipp：21 A @ 8/20 μs
- 峰值脉冲功率 Ppp：500 W @ 8/20 μs
- 反向电流 Ir：2 μA
- 结电容 Cj：90 pF
- 防护等级：符合 IEC 61000-4-2（ESD）、IEC 61000-4-4（EFT）、IEC 61000-4-5（浪涌）
三、性能亮点
- 高能量吸收能力：在 8/20 μs 波形下可承受 21 A 峰值脉冲电流和 500 W 峰值功率，有效钳位至 19 V，保护下游电路免受高能瞬变损害。
- 低静态漏电：2 μA 的反向电流在多数低功耗应用中可忽略，便于用于对待机功耗敏感的系统。
- 双向保护：适用于双向电压摆动的接口，如差分信号线、电源逆向浪涌或交流类接口。
- 小型封装：SOT-23 封装便于自动化贴装，适配空间受限的 PCB 布局。
四、典型应用场景
- 手机、平板等消费类产品的外部接口保护（充电口、数据口）。
- 工业控制与仪表中的通信接口和供电保护。
- 网络设备、路由器、基站等需要抗干扰能力的模块。
- 汽车电子的一些非关键低压线缆防护（需结合汽车等级要求评估）。
五、布局与使用建议
- 尽量将 TVS 器件靠近被保护的连接器或 IC 布置，缩短 PCB 连接走线以降低寄生感抗与电感。
- 对高速差分信号或对电容敏感的接口（如高速 USB、PCIe）使用前注意 90 pF 的结电容对信号完整性的影响，必要时评估替代方案或对线路进行补偿设计。
- 避免超过标称脉冲规格（8/20 μs、21 A、500 W），在需要更高能量吸收能力的场合采用并联或更高等级的浪涌保护方案。
- 焊接时遵循 SOT-23 的工艺规范，避免过度回流造成器件损伤。
六、封装与识别
- 封装：SOT-23，适合自动化贴片生产。
- 品牌：UMW（友台半导体）。
- 产品描述：双向 TVS，型号 PSOT12C-LF-T7，适用于 ESD/EFT/Surge 抗扰度要求的电路保护应用。
如需进一步的典型电气曲线、封装尺寸图或可靠性与应用电路示意，可提供更详细的技术资料与参考设计。
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