Model & package intelligence
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MCC SMBJ5369B-TP SMBJ5369B
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MCC SMBJ5369B-TP
- Type
- MCC
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MCC
- Electronic Component
- SMBJ5369B-TP
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Zener Diode
- Electronic Component
- 0.212g
- Electronic Component
- 1
- (Zzk)
- 230Ω
- (Zzt)
- 27Ω
- Electronic Component
- BM0230080011
- Diode
- 1
- Current(Ir)
- 500nA
- Power Dissipation(Pd)
- 5W
- 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.
SMBJ5369B-TP 产品概述
一、产品简介
SMBJ5369B-TP 是美微科（MCC）出品的一款独立式稳压二极管（Zener Diode），标称稳压值为 51V，额定耗散功率为 5W，采用 SMB（DO-214AA）封装并以卷带（TP）形式供货。该器件设计用于在反向稳压工作区提供稳定的电压基准与过压保护，适合工业电源、通讯设备与家用电器等场景。
二、主要电气性能
- 标称稳压（Vz）：51V（标称值）
- 反向漏电流（Ir）：500 nA @ 38.8V（注：在38.8V时的反向电流规格）
- 耗散功率（Pd）：5W（在规定的热阻与环境条件下）
- 动态阻抗（Zzt）：27 Ω（代表在测试电流下的瞬态或稳态阻抗特性）
- 低电流阻抗（Zzk）：230 Ω（低电流区间的阻抗表现）
- 工作结温范围：-55 ℃ ~ +150 ℃
以上参数用于评价器件在不同电流与温度条件下的稳压精度、响应特性与热稳定性。更多典型曲线（Vz–Iz、Zzt 随电流变化、温度系数等）请参见制造商详细资料。
三、封装与机械特性
SMB（DO-214AA）封装具有较好的散热面积与机械强度，便于表面贴装（SMT）工艺。器件外壳通常在一端有阴极带标记，便于识别极性。TP 表示以卷带方式供货，适合高速贴片生产线。
四、应用场景
- 电源模块中的参考稳压源与基准电压修正
- 对高电压回路的过压保护与钳位（如DC-DC转换器输入、继电器驱动回路）
- 工业控制、通讯设备、电池管理等需要中高电压稳压或防护的场合
五、使用与热管理建议
- 确保器件在使用时的功耗不超过 5W，并为器件提供合适的散热路径（PCB 的铜箔面积、散热垫或散热器）。
- 在高环境温度下需进行功率降额与热仿真评估，以保证结温不超过 +150 ℃。
- 在焊接时遵循 SMB 封装的推荐回流曲线，避免过高温度或过长时间的加热造成损伤。
- 设计时考虑器件的动态阻抗与低电流区阻抗对稳压精度的影响，按实际负载与工作点选择合适的并联或串联电路。
六、可靠性与检查要点
- 推荐在产品开发阶段进行温升、浪涌与长期老化测试，验证在实际应用下的稳压稳定性与漏电特性变化。
- 入库与生产前注意静电、防潮管理与外观检验，确保管脚及封装完整、极性标识清晰。
七、选型与采购信息
标准型号：SMBJ5369B-TP
品牌：MCC（美微科）
封装：SMB（DO-214AA）
供货形式：卷带（Tape & Reel）适合SMT生产线。
在工程选型时建议索取完整数据手册以确认试验条件（测试电流、温度点、典型曲线）和具体封装尺寸，必要时可向供应商获取样品与可靠性报告以完成验证。
如需进一步的电参数曲线、封装尺寸图或在特定应用中的设计建议，可提供应用场景与工作条件以便给出更具体的指导。
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