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MCC SM05-TP SM05
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MCC SM05-TP
- Type
- MCC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MCC
- Electronic Component
- SM05-TP
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- General Purpose
- Type
- Electronic Component
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0g
- Electronic Component
- 1
- Electronic Component
- 2
- Electronic Component
- BM0227647058
- Type
- Surface Mount
- Operating Temperature
- 55°C ~ 150°C（TJ）
- 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.
SM05-TP 产品概述
一、概述
SM05-TP 是美微科（MCC）推出的表面贴装型瞬态抑制二极管（TVS），采用 SOT-23 封装，内部为两个单向通道（双通道单向结构）。器件以齐纳击穿工作点抑制瞬态过压，针对通用电路保护设计，适用于板级浪涌和脉冲干扰抑制。
二、主要电气参数
- 封装：SOT-23，表面贴装型
- 通道数：2（单向通道）
- 峰值脉冲电流 Ipp：1 A（8/20 µs 波形）
- 箝位电压（最大）：9.8 V（对应 Ipp 条件）
- 击穿电压 Vbr（最小）：6.2 V
- 反向断态电压（典型/最大）：约 5 V（最大）
- 峰值脉冲功率：300 W（常用按 10/1000 µs 标准）
- 寄生电容：约 110 pF @ 1 MHz
- 工作结温：-55°C ~ 150°C（TJ）
- 安装类型：表面贴装，通用应用
三、特点与优势
- 小型 SOT-23 封装，便于高密度 PCB 布局与自动化贴装。
- 两路单向保护，适合为两条独立电源或信号线提供稳健的瞬态抑制。
- 低反向断态电压（≈5 V），适配 5 V 及以下电源系统的板级保护需求。
- 箝位电压 9.8 V（Ipp 条件下）能在短时高能脉冲时快速钳位，保护后端器件。
- 容量 110 pF，适用于一般控制信号和低速数据线，但对高速接口存在影响需评估。
四、典型应用场景
- 工业与消费类 5 V 电源线路保护。
- 接口端子（如电源插座、低速通信口）防浪涌。
- 板级供电总线和敏感模拟/数字模块的瞬态抑制。
- 普通环境下的浪涌与脉冲抑制应用（非高速射频或高速差分线）。
五、布局与使用建议
- 放置位置：尽量靠近受保护端口或连接器，最短走线以降低寄生电感。
- 接地：提供低阻抗回流路径，使用一块连续的地铜，并在 SOT-23 引脚附近布置足够焊盘面积。
- 热管理：若在频繁冲击或高能量环境中使用，评估 PCB 散热并考虑加大铜箔或打通孔增强散热。
- 高频信号注意：110 pF 容量对高速信号会引入明显负载，若保护高速接口（USB、以太网、高速串行）应选用低电容 TVS 器件。
六、选型与替代考虑
- 若目标是保护 5 V 电源和普通信号线，SM05-TP 是小尺寸、成本效率高的选择。
- 对于更高能量冲击或更低箝位电压需求，可考虑更大封装或额定 Ipp 更高的 TVS。
- 对于高速数据线，应优先选择低电容型号以免影响信号完整性。
总结：SM05-TP 在 SOT-23 小封装下提供两路单向、面向通用 5 V 级别保护的可靠瞬态抑制能力，适合板级防浪涌与脉冲保护应用。在布局、电气容量与热管理上遵循上述建议，可获得良好的保护效果。
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